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1990 Mercedes Benz 500SL Base Convertible 129.066 V8 5.0L

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Your Vehicle 1990 Mercedes Benz 500SL Base Convertible 129.066 V8 5.0L
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1990 Mercedes Benz 500SL Base Convertible 129.066 V8 5.0L Crankshaft Parts

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Harmonic Balancer Securing Bolt

ES#1811281 - 308676018001 - Harmonic Balancer Securing Bolt - Must be replaced when removing the harmonic balancer - Genuine Mercedes Benz - Mercedes Benz

Must be replaced when removing the harmonic balancer affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Mercedes Benz - Corporate Logo
ES#:
1811281
Mfg#:
308676018001
Ships in 4 Business Days
7% off MSRP

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

$43.99

This product was last offered at the strikethrough price on
01-06-2026

$40.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Front Crankshaft Seal

ES#3580841 - 120997034664 - Front Crankshaft Seal - Prevents oil from leaking out of your crankcase at the front crankshaft flange - Genuine Mercedes Benz - Mercedes Benz

Prevents oil from leaking out of your crankcase at the front crankshaft flange affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Mercedes Benz - Corporate Logo
ES#:
3580841
Mfg#:
120997034664
Back Ordered
8% off MSRP

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

$37.99

This product was last offered at the strikethrough price on
01-06-2026

$34.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Rear Main Crankshaft Seal

ES#1647101 - 1209970246 - Rear Main Crankshaft Seal - Prevents oil from leaking out of your crankcase at the rear crankshaft flange - Genuine Mercedes Benz - Mercedes Benz

Prevents oil from leaking out of your crankcase at the rear crankshaft flange affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Mercedes Benz - Corporate Logo
ES#:
1647101
Mfg#:
1209970246
Ships in 4 Business Days
5% off MSRP

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

$37.00

This product was last offered at the strikethrough price on
01-06-2026

$34.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Rear Main Crankshaft Seal

ES#2766083 - 1209970246 - Rear Main Crankshaft Seal - Prevents oil from leaking out of your crankcase at the rear crankshaft flange - Elring - Mercedes Benz

Prevents oil from leaking out of your crankcase at the rear crankshaft flange 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#:
2766083
Mfg#:
1209970246
In Stock at Vendor
$27.25 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Front Crankshaft Seal

ES#2581558 - 1209970346 - Front Crankshaft Seal - Prevents oil from leaking out of your crankcase at the front crankshaft flange - Victor Reinz - Mercedes Benz

Prevents oil from leaking out of your crankcase at the front crankshaft flange affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Victor Reinz - Corporate Logo
ES#:
2581558
Mfg#:
1209970346
In Stock at Vendor
$11.99

This product was last offered at the strikethrough price on
05-07-2026

$10.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Front Crankshaft Seal

ES#2581559 - 1209970346 - Front Crankshaft Seal - Prevents oil from leaking out of your crankcase at the front crankshaft flange - Elring - Mercedes Benz

Prevents oil from leaking out of your crankcase at the front crankshaft flange 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#:
2581559
Mfg#:
1209970346
Ships in 1-2 days
$16.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Rear Main Crankshaft Seal

Prevents oil from leaking out of your crankcase at the rear crankshaft flange affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Hamburg Tech - Corporate Logo
ES#:
2813613
Mfg#:
1209970246
Ships in 2 Business Days
$14.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Rear Main Crankshaft Seal

Prevents oil from leaking out of your crankcase at the rear crankshaft flange affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Corteco - Corporate Logo
ES#:
2766084
Mfg#:
1209970246
In Stock at Vendor
$38.67 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Engine Rear Crankshaft Seal

MAHLE Original Mercedes-Benz Rear Main Seal affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Victor Reinz - Corporate Logo
ES#:
4674975
Mfg#:
67853
Ships in 2 Business Days
$52.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Woodruff Key - Priced Each

ES#1632385 - 1089910067 - Woodruff Key - Priced Each - Prevents the pulley from slipping on the shaft - Genuine Mercedes Benz - Mercedes Benz

Prevents the pulley from slipping on the shaft affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Mercedes Benz - Corporate Logo
ES#:
1632385
Mfg#:
1089910067
Ships in 4 Business Days
$9.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Crankshaft Gear

Does not include woodruff key or bolt affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Mercedes Benz - Corporate Logo
ES#:
1645010
Mfg#:
1190520103
Ships in 4 Business Days
7% off MSRP

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

$177.00

This product was last offered at the strikethrough price on
06-24-2026

$164.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Rear Main Crankshaft Seal Housing

Holds rear main crankshaft seal to the engine block, does not include seal affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Mercedes Benz - Corporate Logo
ES#:
1644843
Mfg#:
1190111208
Ships in 4 Business Days
7% off MSRP

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

$392.00

This product was last offered at the strikethrough price on
06-24-2026

$364.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Crankshaft Gear

ES#2867449 - 1190520103 - Crankshaft Gear - Does not include woodruff key or bolt - Febi - Mercedes Benz

Does not include woodruff key or bolt 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#:
2867449
Mfg#:
1190520103
Special Order: No Guaranteed ETA
$89.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

More About Crankshaft Parts

The heart of your engine is the crankshaft. Keep it spinning freely with new OEM crankshaft bearings or upgrade with race-proven aftermarket performance crank bearings and crankshaft parts.

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