Call Us330-331-2003 ChatLive Chat Text Us!
0
Sales & Specials
Enter Your Vehicle
garage-red
Your Vehicle 1991 Mercedes Benz 420SEL Base Sedan 126.035 V8 4.2L

1991 Mercedes Benz 420SEL Base Sedan 126.035 V8 4.2L Engine Parts & Accessories

Sort By
Filter By
Return to Top
ES#2911848 - 0075423217 - Oxygen Sensor - Priced Each - Bosch - Mercedes Benz

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:
Bosch - Corporate Logo
ES#:
2911848
Mfg#:
0075423217
Ships in 1-2 days
$123.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2636807 - 0099971048 - Fuel Injector O-Ring - At Base of Nozzle Holder - Goetze - Mercedes Benz

At Base of Nozzle Holder affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Goetze - Corporate Logo
ES#:
2636807
Mfg#:
0099971048
Ships in 1-2 days
$2.03 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2678201 - 1160161421 - Valve Cover Gasket - Right Side - Hebmuller - Mercedes Benz

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

Brand:
Hebmuller - Corporate Logo
ES#:
2678201
Mfg#:
1160161421
Ships in 1-2 days
$12.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2678199 - 1160161321 - Valve Cover Gasket - Left Side - Hebmuller - Mercedes Benz

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

Brand:
Hebmuller - Corporate Logo
ES#:
2678199
Mfg#:
1160161321
Ships in 1-2 days
$12.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2762985 - 1265001549 - Coolant Expansion Tank - Coolant level sensor and cap not included - Meyle - Mercedes Benz

Coolant level sensor and cap not included 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:
Meyle - Corporate Logo
ES#:
2762985
Mfg#:
1265001549
Ships in 1-2 days
$35.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#240975 - 1162000315 - Thermostat Kit - 80C - Includes new gasket - Wahler - Mercedes Benz

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

Brand:
Wahler - Corporate Logo
ES#:
240975
Mfg#:
1162000315
Ships in 1-2 days
$28.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

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

Brand:
Bremi - Corporate Logo
ES#:
2569551
Mfg#:
Q4150028
Ships in 1-2 days
$160.99

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

$155.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Seals the gap between the exhaust manifold and the cylinder head 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!
Eight (8) Required

Brand:
Elring - Corporate Logo
ES#:
3183700
Mfg#:
1161420280
Ships in 1-2 days
$4.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Upper Hose affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Lemforder - Corporate Logo
ES#:
240976
Mfg#:
1265014782
Ships in 1-2 days
$15.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

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

Brand:
Technovance - Corporate Logo
ES#:
2712699
Mfg#:
1160505324
Ships in 1-2 days
$4.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Seals the gap between the exhaust manifold and the cylinder head affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Eight (8) Required

Brand:
Victor Reinz - Corporate Logo
ES#:
3183701
Mfg#:
1161420280
Ships in 1-2 days
$4.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#1618828 - 0065428517 - ASR Sender Unit - Also allows cruise control to function - Genuine Mercedes Benz - Mercedes Benz

Also allows cruise control to function affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Mercedes Benz - Corporate Logo
ES#:
1618828
Mfg#:
0065428517
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.

$448.00

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

$416.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#1664118 - 1265420104 - Fuel Tank Sending Unit - Genuine Mercedes-Benz Replacement Part - Genuine Mercedes Benz - Mercedes Benz

Genuine Mercedes-Benz Replacement Part affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Mercedes Benz - Corporate Logo
ES#:
1664118
Mfg#:
1265420104
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.

$274.00

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

$254.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#1618988 - 006888004002 - Camshaft Woodruff Key - Standard Size - Genuine Mercedes Benz - Mercedes Benz

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

Brand:
Genuine Mercedes Benz - Corporate Logo
ES#:
1618988
Mfg#:
006888004002
Ships in 4 Business Days
$2.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2597974 - 00415178018070KT - Remanufactured Starter - Price includes a $104.00 refundable core charge. - Genuine Mercedes Benz - Mercedes Benz

Price includes a $104.00 refundable core charge. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Up To Engine Number M116.965 054964 - Must Remove Centering Plate And Replace With Screening Plate

Brand:
Genuine Mercedes Benz - Corporate Logo
ES#:
2597974
Mfg#:
00415178018070KT
Ships in 4 Business Days
$343.60

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

$315.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
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

More About Engine Parts & Accessories

Whether you're maintaining or repairing your stock engine or looking for added horsepower, we have one of the most comprehensive inventories of engine parts and accessories for German cars. From hard engine parts like connecting rods, pistons, cylinder heads, short blocks, and engine timing parts to performance engine software upgrades; we have you covered.

ECS Tuning is not affiliated with any automobile manufacturers.
Manufacturer names and/or part numbers are used only for identification purposes.

Terms of Use Privacy Policy ECS Tuning is part of Enthusiast Auto Holdings