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BMW E21 320i M10 1.8L Differential Parts

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ES#2817674 - 33121205302 - Output Shaft Seal - Priced Each - Seals the axles into the differential - Genuine BMW - BMW

Seals the axles into the differential affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with a production date from 09/1978

Brand:
Genuine BMW - Corporate Logo
ES#:
2817674
Mfg#:
33121205302
Ships in 1-2 days
2% off MSRP

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$45.99

This product was last offered at the strikethrough price on
06-19-2026

$44.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#5373808 - 184247 - Gear Oil - SAE 70W-80 Synthetic -  1 Liter - GL5 Level oil - Febi - BMW MINI

GL5 Level oil affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Febi - Corporate Logo
ES#:
5373808
Mfg#:
184247
Back Ordered
$44.99

This product was last offered at the strikethrough price on
01-27-2026

$30.99 USD
Free Shipping
on orders $49 and up
ES#4758744 - 33113604119 - Axle Bearing Seal - Priced Each - Located between the output flange and the differential case. - Bremmen Parts - BMW

Located between the output flange and the differential case. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
4758744
Mfg#:
33113604119
In Stock
ON SALE! SAVE 39%
$3.99

This product was last offered at the strikethrough price on
05-02-2026

$2.44 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#42999 - 23221201330 - Lock Plate for Output Flange Nut - Genuine BMW - BMW

affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
42999
Mfg#:
23221201330
Ships in 1-2 days
$7.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4069048 - 23221201330 - Lock Plate For Output Flange Nut - Replacement Lock Plate For Output Flange Nut from ZF - ZF - BMW

Replacement Lock Plate For Output Flange Nut from ZF We Price Match - Give Us A Call or Chat! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
ZF - Corporate Logo
ES#:
4069048
Mfg#:
23221201330
In Stock at Vendor
$7.13 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#56075 - 33121200258 - Collar Nut - Priced Each - M20x1.5 - Genuine BMW - BMW

M20x1.5 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
56075
Mfg#:
33121200258
Ships in 4 Business Days
$11.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2636297 - 33131207280 - Snap Ring - Genuine BMW - BMW

affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
2636297
Mfg#:
33131207280
Ships in 1 Business Day
$0.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#56076 - 33121200259 - Crush Sleeve - Short Nose Differential - Genuine BMW - BMW

affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
56076
Mfg#:
33121200259
Ships in 4 Business Days
$10.99 USD
Free Shipping
on orders $49 and up
ES#3478339 - 23121204211 - Input Shaft Seal - Elring - BMW

affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Elring - Corporate Logo
ES#:
3478339
Mfg#:
23121204211
In Stock at Vendor
$7.52 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2866349 - 07119963355 - Drain Plug Gasket - Priced Each - 22x27 aluminum sealing ring - Febi - BMW

22x27 aluminum sealing ring affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Febi - Corporate Logo
ES#:
2866349
Mfg#:
07119963355
Ships on Sep 17, 2026
$2.99

This product was last offered at the strikethrough price on
01-01-2026

$1.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#5471006 - PFR5-1625H - BMW E21 Rear Diff Mounting Bushing - Powerflex - BMW

affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Powerflex - Corporate Logo
ES#:
5471006
Mfg#:
PFR5-1625H
Ships in 1 Business Day
$89.99 USD
ES#4846151 - PFR5-1625BLK - BMW E21 Rear Diff Mounting Bushing - These bushings are ideal for enthusiasts looking to enhance the performance and longevity of their BMW E21's rear differential assembly, especially for track or high-performance applications. - Powerflex Black Series - BMW

These bushings are ideal for enthusiasts looking to enhance the performance and longevity of their BMW E21's rear differential assembly, especially for track or high-performance applications. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Powerflex Black Series - Corporate Logo
ES#:
4846151
Mfg#:
PFR5-1625BLK
Ships in 1 Business Day
$97.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#56231 - 33121210742 - Crowngear Set - E21 - Genuine BMW. - Genuine BMW - BMW

Genuine BMW. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
56231
Mfg#:
33121210742
Ships in 6 Business Days
4% off MSRP

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$1062.99

This product was last offered at the strikethrough price on
06-19-2026

$1022.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

More About Differential Parts

Stock or limited-slip, we stock bearings, repair parts, complete differential units, and approved differential fluids so you can keep sending power to the axles without noise, harshness, or vibration.

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Manufacturer names and/or part numbers are used only for identification purposes.

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