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Differential parts and accessories for the classic Mini, Mini Cooper, and variants.

Products 1-48 of 60
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ARP Differential Bolt (SEN0127)
Price: $7.95
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MADEINUSATAG||
In Stock
Item #: SEN0127 -

    Super-duty ARP bolt to attach the crown wheel to the differential cage. Sold each.

    Bearing, Differential Carrier (AHU1856)
    Price: $32.95
    View
    1/4/2021 12:00:00 AM 39.9500
    In Stock
    Item #: AHU1856 -

      Large bearing as used to support the differential in all classic Mini models. Ref: AHU1856.

      Bearing, differential carrier, RHP (AHU1856-RHP)
      Price: $69.95
      View
      10/6/2019 2:00:00 AM 57.9500
      In Stock
      Item #: AHU1856-RHP -

        OE diff carrier bearing for high-performance transmissions; made by RHP. Ref: AHU1856, AHU1856-RHP.

        Bolt, Drive Flange, 8.4 brakes (BTA0370)
        Sale: $3.19
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        In Stock
        Item #: BTA0370 -
        • FEBRR23

        Special bolt to fasten 8.4'' brake rotor (12'' wheel cars) to 21A2695 drive flange. Ref: BTA370, BTA0370.

        Bolt, Final Drive Wheel to Differential, Standard (ATA7043)
        Price: $3.25
        View
        4/21/2022 12:00:00 AM 3.95
        In Stock
        Item #: ATA7043 -

          High-tensile shouldered bolt for holding the final drive (''crown'') wheel to the differential housing.

          Bolt, Remote Shifter Housing, Short
          Price: $0.95
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          In Stock
          Item #: HDWB2721 -

            Coarse-thread bolt for Cooper remote housing to attach it to the rear of the differential. Use two (2) per car.

            Bushing, Diff Crown Wheel & Diff Cage (ATA7378)
            Price: $9.95
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            In Stock
            Item #: ATA7378 -

              Bushing found in all diff cages and in the center of standard crown wheels. Ref: ATA7378.

              Bushing, Diff Side Cover, Pot Joint Type (2A3538)
              Price: $6.95
              View
              4/14/2021 2:00:00 AM 9.9500
              In Stock
              Item #: 2A3538 -

                This bushing supports the output shaft, and if worn will contribute to oil leakage; fits pot-joint and yoke-type differential side covers. Ref: 2A3538.

                Bushing, Side cover, Flange Output
                Price: $20.95
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                10/6/2019 2:00:00 AM 21.9500
                In Stock
                Item #: 22G0421 -

                  This bushing supports the Hardy-Spicer output shaft, and if worn will contribute to oil leakage. Honing required to obtain exact final clearance.

                  Collet, Hardy Spicer Outlet
                  Price: $17.95
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                  5/6/2021 2:00:00 AM 14.9500
                  In Stock
                  Item #: 88G493 -

                    Half-moon collet, locates the end of the output shaft into the Hardy Spicer drive flange, under the rubber seal. Used on early automatics and Cooper S, two (2) required per flange.

                    Cross Pin Heavy Duty Differential (C-AJJ3385)
                    Price: $485.00
                    View
                    6/5/2019 12:00:00 AM 359.9500
                    Special Order
                    Item #: C-AJJ3385 -

                      Heavy-duty differential recommended for any high performance road-driven classic Mini or Mini Cooper. Ref: C-AJJ3385.

                      Diff Output Flange Circlip, LSD
                      Price: $1.95
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                      In Stock
                      Item #: CCN0122 -

                        Circlip to retain the diff output shafts used with an LSD. Two (2) required.

                        Diff Output Shaft Washer, LSD (C-BTA1243)
                        Price: $4.95
                        View
                        In Stock
                        Item #: C-BTA1243 -

                          Washer fitted next to the inner circlip to retain the diff output shaft when an LSD is fitted; for use with Cooper S output shafts. Ref: C-BTA1243.

                          Diff Pin and Planet Gear Set (C-BTA0167)
                          Price: $149.95
                          View
                          In Stock
                          Item #: C-BTA0167 -

                            Set includes two specially-bushed planet gears, thrust washers, uprated differential pin and roll pin. Ref: C-BTA167, 2A7062, DAM5071, DAM6624, DAM6027.

                            Diff Pin, Heavy-duty (C-BTA0166)
                            Price: $24.95
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                            8/25/2019 2:00:00 AM 32.9500
                            In Stock
                            Item #: C-BTA0166 -

                              The pin through the center of the diff is often ignored, but should be replaced at rebuild time. Ref: C-BTA166, C-BTA0166.

                              Diff Pinion Spider Gear, Reproduction (DAM6624E)
                              Price: $24.95
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                              In Stock
                              Item #: DAM6624E -

                                Standard differentials use two (2) of these pinion (planet) gears. Good-quality reproduction; sold each.

                                Diff Side Cover, Rod Change, for Hardy Spicer or LSD (22G0420)
                                Price: $119.95
                                View
                                3/15/2018 2:00:00 AM 139.95
                                In Stock
                                Item #: 22G0420 -

                                  If you want to install flange- type differential output shafts, such as used with Hardy-Spicer drive shaft couplings or with a Limited Slip Differential (LSD) in a rod change gearbox,

                                  Diff Side Cover, Yoke-type (CHM0085)
                                  Price: $109.95
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                                  Special Order
                                  Item #: CHM0085 -

                                    Differential side cover with bushing installed. Fits Minis 1959-73, but can also be used on left side of rod-change transmission with yoke outputs or pot joint. Ref: CHM85, CHM0085.

                                    Diff Spider Gear Thrust Washer, 1980-on (DAM5071)
                                    Price: $7.50
                                    View
                                    In Stock
                                    Item #: DAM5071 -

                                      Revised cupped thrust washer used after 1980, identifiable by a locking ear that keeps the washer from spinning and wearing into the diff cage. Ref: DAM5071.

                                      Diff Spider Gear Thrust Washer, to 1980 (2A7062)
                                      Price: $5.95
                                      View
                                      2/24/2021 2:00:00 AM 7.9500
                                      In Stock
                                      Item #: 2A7062 -

                                        Cupped thrust washer as used on all classic Mini differentials to 1980. Ref: 2A7062.

                                        Diff Stub Shaft, LSD, w/ Pot Joints (C-BTA1263)
                                        Price: $149.95
                                        View
                                        12/15/2021 12:00:00 AM 159.95
                                        In Stock
                                        Item #: C-BTA1263 -

                                          If you are installing an LSD, other than the Swift ATB one, into a gearbox to be equipped with ''pot joints'' (inboard CV joints), you will need two of these.

                                          Diff Thrust Washer, Fiber (BTA0101)
                                          Price: $5.95
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                                          In Stock
                                          Item #: BTA0101 -

                                            The large-diameter fiber thrust washer for the output shafts on all standard classic Mini differentials. Ref: BTA101, BTA0101.

                                            Differential Pinion Locking Pin (RPS1418)
                                            Price: $2.75
                                            View
                                            In Stock
                                            Item #: RPS1418 -

                                              Pin locks the main pinion pin to the differential cage. Ref: RPS1418.

                                              Differential Shim, .006 (DAM3108)
                                              Price: $2.95
                                              View
                                              In Stock
                                              Item #: DAM3108 -

                                                Shimming used so the differential bearings to achieve proper preload; .006'' thick. Ref: DAM3108.

                                                Differential Shim, .010 (DAM3109)
                                                Price: $2.95
                                                View
                                                In Stock
                                                Item #: DAM3109 -

                                                  Shim used with the differential bearings for proper preload; .010'' thick. Ref: DAM3109.

                                                  Differential Shim, .020 (DAM3633)
                                                  Price: $2.95
                                                  View
                                                  7/12/2021 2:00:00 AM 3
                                                  In Stock
                                                  Item #: DAM3633 -

                                                    Used to shim the diff to obtain proper bearing preload; .020'' thick. Ref: DAM3633.

                                                    Drive Shaft, Pot Joint, Used (SEVU002L/R)
                                                    Price: $95.95
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                                                    In Stock
                                                    Item #: SEVU002L/R -

                                                      Used bare drive shafts to accept inner CV joints, typically needed when converting to 1973-on pot joint transmission. Ref: 22A1960, 22A1961, SEVU002, SEVU002R, SEVU002L.

                                                      Final Drive Gear Set, 2.95
                                                      Price: $389.95
                                                      View
                                                      12/4/2018 12:00:00 AM 269.9500
                                                      Special Order
                                                      Item #: STF0033 -

                                                        2.95 crown wheel and pinion set; reduces your RPM at a given speed, so will allow quieter and more economical highway driving. 20/59 tooth count

                                                        Final Drive Gear Set, 3.1 (STF0038)
                                                        Price: $389.95
                                                        View
                                                        12/3/2018 2:00:00 AM 269.9500
                                                        In Stock
                                                        Item #: STF0038 -

                                                          You can reduce engine RPM by about 10% or more at any road speed by changing to this final drive, which must be installed on the differential.

                                                          Final Drive Gear Set, 3.2
                                                          Price: $389.95
                                                          View
                                                          4/1/2018 2:00:00 AM 295.0000
                                                          In Stock
                                                          Item #: STF0031 -

                                                            Final drive ring and pinion gears with 3.2 ratio. Tooth count is 19/61.

                                                            Final Drive Gear Set, 3.44
                                                            Price: $259.95
                                                            View
                                                            12/4/2018 12:00:00 AM 259.9500
                                                            Special Order
                                                            Item #: STF0036 -

                                                              Ring and pinion final drive gears as used on the classic Mini Cooper S and many 998cc Minis from 1970-on.

                                                              Final Drive Gear Set, 3.7 LSD (C-BTA1248M)
                                                              Price: $599.99
                                                              View
                                                              Special Order
                                                              Item #: C-BTA1248M -

                                                                Competition-quality 3.7:1 ratio final drive ring and pinion gears to fit limited-slip differential (LSD).

                                                                Final Drive Gear Set, 3.7 STD/LSD (SW-TR37)
                                                                Price: $729.00
                                                                View
                                                                Special Order
                                                                Item #: SW-TR37 -

                                                                  3.7 final drive ratio, semi-helical for maximum strength; available to fit standard or LSD-type differentials.

                                                                   Final Drive Gear Set, 3.76 (STF0095-USED)
                                                                  Price: $99.00
                                                                  View
                                                                  In Stock
                                                                  Item #: STF0095-USED -

                                                                    Ring and pinion final drive gears, tooth count 17/64, 3.76 ratio. Used condition, but supplied as a matched set.

                                                                    Final Drive Gear Set, 3.93 STD/LSD, Quaife
                                                                    Price: $729.00
                                                                    View
                                                                    Special Order
                                                                    Item #: SW-TR39 -

                                                                      The 3.9 is a good all-around final drive ratio for the Vintage racer. These are semi-helical for maximum strength and superbly manufactured by Quaife, one of the UK's leading transmission manufacturers.

                                                                      Flange Diff Output Shaft, for standard side covers
                                                                      Price: $450.00
                                                                      View
                                                                      Special Order
                                                                      Item #: FOR136 -

                                                                        Special Swiftune-developed differential output shafts to match Hardy-Spicer drive shaft couplings. New materials and technology allow this shaft to fit the standard smaller diameter diff side cover.

                                                                        Gasket, Diff Housing, Lower (2A3506)
                                                                        Retail: $0.95
                                                                        Price: $0.86
                                                                        View
                                                                        QTYDISCOUNT
                                                                        In Stock
                                                                        Item #: 2A3506 -

                                                                          Thin paper gasket between the gear case and the differential housing. Lower section only, fits pre-rod change models. Ref: 2A3506, 2A3506B.

                                                                          Differential Housing Upper Gasket (2A3505)
                                                                          Price: $1.25
                                                                          View
                                                                          In Stock
                                                                          Item #: 2A3505 -

                                                                            Thin paper gasket between the gear case and the diff housing; upper section only. Ref: 2A3505, 2A3505B, GUG705709GM.

                                                                            Gasket, Diff Side Cover (22A1611)
                                                                            Price: $1.75
                                                                            View
                                                                            In Stock
                                                                            Item #: 22A1611 -

                                                                              Gasket for the classic Mini's differential side cover. Ref: 22A1611, GUG705567GM.

                                                                              Gasket, Diff Side Cover, Automatic (22A1612)
                                                                              Price: $2.95
                                                                              View
                                                                              In Stock
                                                                              Item #: 22A1612 -

                                                                                The differential side cover for the automatic is slightly different from 4-speeds, so a different gasket is needed. Sold each.

                                                                                Gasket, Gearbox Diff Housing, Lower, Rod-Change (22G1836)
                                                                                Retail: $0.95
                                                                                Price: $0.86
                                                                                View
                                                                                QTYDISCOUNT
                                                                                In Stock
                                                                                Item #: 22G1836 -

                                                                                  Thin paper gasket between the gear case and the diff housing. Lower section, fits rod change only. Ref: 22G1836, GUG705642GM.

                                                                                  Gasket, Gearbox Diff Side Cover, Improved (TRK10004B)
                                                                                  Price: $5.50
                                                                                  View
                                                                                  In Stock
                                                                                  Item #: TRK10004B -

                                                                                    This version of the side cover gasket comes with built-in sealant attached to the paper. Ref: TRK10004B, GUG705567GM.

                                                                                    Hardy Spicer Output Flanges for Pot Joint
                                                                                    Price: $399.00
                                                                                    View
                                                                                    Special Order
                                                                                    Item #: FOR094 -

                                                                                      These flanges are used to convert from pot joint output shafts to Hardy Spicer flange type, snapping in place just like the inner CV joints, and fit the smaller, standard diff side covers.

                                                                                      Hardy-Spicer Flange Bolt Set, Competition (FOR126)
                                                                                      Price: $99.95
                                                                                      View
                                                                                      In Stock
                                                                                      Item #: FOR126 -

                                                                                        Superior race-quality bolts for the Hardy-Spicer differential output flange. A track-tested product! Sold per set/8.

                                                                                        Limited Slip Differential, Evolution (STF0100)
                                                                                        Price: $1,095.00
                                                                                        View
                                                                                        Special Order
                                                                                        Item #: STF0100 -

                                                                                          An updated and advanced version of the old popular Salisbury clutch-type limited slip differential. Ref: C-AJJ3387, C-BTA1106.

                                                                                          Limited Slip Differential, Quaife ATB
                                                                                          Price: $1,295.00
                                                                                          View
                                                                                          Special Order
                                                                                          Item #: FOR092 -

                                                                                            Now a limited slip diff that is ideal for FWD cars! The all-gear mechanism of the Quaife ATB eliminates the grabby behavior of earlier plate and pawl diffs, and reduces

                                                                                            Limited Slip Output Shaft, Hardy Spicer (C-BTA1262)
                                                                                            Price: $209.95
                                                                                            View
                                                                                            Special Order
                                                                                            Item #: C-BTA1262 -

                                                                                              Output shaft for Tran-X and Salisbury Limited Slip Differentials. Hardy Spicer coupling. Sold each.

                                                                                              Locktab, Final Drive Crown Wheel (ATA7385)
                                                                                              Price: $4.95
                                                                                              View
                                                                                              In Stock
                                                                                              Item #: ATA7385 -

                                                                                                Metal locktab to retain the six bolts that attach the crown wheel to the differential. Ref: ATA7385.