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1989 Mercedes Benz 420SEL Base Sedan 126.035 V8 4.2L

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Your Vehicle 1989 Mercedes Benz 420SEL Base Sedan 126.035 V8 4.2L
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1989 Mercedes Benz 420SEL Base Sedan 126.035 V8 4.2L Engine Mechanical Parts

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Valve Stem Seal Kit - Set Of 8

ES#4733188 - 1170500367 - Valve Stem Seal Kit - Set Of 8 - Featuring Corteco Valve Stem Seals - Sixteen (16) Required Per Vehicle, Purchase 2 Sets to service your engine's valve stem seals - Corteco - Mercedes Benz

Featuring Corteco Valve Stem Seals - Sixteen (16) Required Per Vehicle, Purchase 2 Sets to service your engine's valve stem seals Two (2) Sets Required Per Vehicle

Brand:
Corteco - Corporate Logo
ES#:
4733188
Mfg#:
1170500367
Back Ordered
$15.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Camshaft Woodruff Key

ES#1818729 - 6219910067 - Camshaft Woodruff Key - Repair Size - Shifted By 5 - Genuine Mercedes Benz - Mercedes Benz

Repair Size - Shifted By 5�

Brand:
Genuine Mercedes Benz - Corporate Logo
ES#:
1818729
Mfg#:
6219910067
Ships in 4 Business Days
6% off MSRP

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

$16.00

This product was last offered at the strikethrough price on
10-06-2026

$14.99 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

Brand:
Genuine Mercedes Benz - Corporate Logo
ES#:
1632385
Mfg#:
1089910067
Ships in 1-2 days
$9.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Pan Gasket - Priced Each

ES#2524253 - 1190140822 - Oil Pan Gasket - Priced Each - Seals Lower Oil Pan To Upper Oil Pan - MTC - Mercedes Benz

Seals Lower Oil Pan To Upper Oil Pan

Brand:
MTC - Corporate Logo
ES#:
2524253
Mfg#:
1190140822
Ships in 10 Business Days
$5.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Feeler Gauge Set

ES#3603420 - CTAA311 - Feeler Gauge Set - 25 Blade Extra Long Reach - CTA Tools - Audi BMW Volkswagen Mercedes Benz MINI Porsche

25 Blade Extra Long Reach

Brand:
CTA Tools - Corporate Logo
ES#:
3603420
Mfg#:
CTAA311
Ships on Oct 23, 2026
$28.57 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Cam Oiler Kit - Priced Each

ES#2867374 - 1161800184 - Cam Oiler Kit - Priced Each - One (1) Required Per Camshaft - Febi - Mercedes Benz

One (1) Required Per Camshaft We Price Match - Give Us A Call or Chat!

Brand:
Febi - Corporate Logo
ES#:
2867374
Mfg#:
1161800184
Ships in 1-2 days
$12.53

This product was last offered at the strikethrough price on
05-23-2026

$9.39 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 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Elring - Corporate Logo
ES#:
2766083
Mfg#:
1209970246
Ships in 2 Business Days
$27.25

This product was last offered at the strikethrough price on
08-26-2026

$24.73 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Camshaft Woodruff Key

ES#1818732 - 6219910467 - Camshaft Woodruff Key - Repair Size - Shifted By 2 - Genuine Mercedes Benz - Mercedes Benz

Repair Size - Shifted By 2�

Brand:
Genuine Mercedes Benz - Corporate Logo
ES#:
1818732
Mfg#:
6219910467
Ships in 4 Business Days
$10.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Cap Seal - 38.5x59x2.5mm

ES#2801962 - 1020180380 - Oil Cap Seal - 38.5x59x2.5mm - Gasket that seals oil cap to valve cover - Rein - Mercedes Benz

Gasket that seals oil cap to valve cover 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
2801962
Mfg#:
1020180380
Ships in 2 Business Days
$5.09 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 2X Entries Into Our F80 M3 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

Engine Oil Cap

ES#2533747 - 1110180302 - Engine Oil Cap - Includes new seal - URO - Mercedes Benz

Includes new seal 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
2533747
Mfg#:
1110180302
Back Ordered
$3.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Cam Oiler Kit - Priced Each

ES#4932547 - 1161800184 - Cam Oiler Kit - Priced Each - One (1) Required Per Camshaft - URO - Mercedes Benz

One (1) Required Per Camshaft 2X Entries Into Our F80 M3 Sweepstakes

Brand:
URO - Corporate Logo
ES#:
4932547
Mfg#:
1161800184
Back Ordered
$4.99 USD
Free Shipping
on orders $49 and up

Engine Oil Cap

ES#2801359 - 1110180302 - Engine Oil Cap - Includes new seal - Rein - Mercedes Benz

Includes new seal 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
2801359
Mfg#:
1110180302
Ships in 4 Business Days
$12.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Engine Oil Cap

ES#2879149 - 1110180302 - Engine Oil Cap - Includes new seal - Vaico - Mercedes Benz

Includes new seal We Price Match - Give Us A Call or Chat!

Brand:
Vaico - Corporate Logo
ES#:
2879149
Mfg#:
1110180302
Ships in 2 Business Days
$10.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Filler Cap Seal

ES#2593755 - 1110180080 - Oil Filler Cap Seal - 47mm x 59mm x 2.5mm - Victor Reinz - Mercedes Benz

47mm x 59mm x 2.5mm

Brand:
Victor Reinz - Corporate Logo
ES#:
2593755
Mfg#:
1110180080
Ships in 2 Business Days
$3.99

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

$2.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Filler Cap Seal

ES#2524179 - 1110180080 - Oil Filler Cap Seal - 47mm x 59mm x 2.5mm - MTC - Mercedes Benz

47mm x 59mm x 2.5mm

Brand:
MTC - Corporate Logo
ES#:
2524179
Mfg#:
1110180080
In Stock
$1.01 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

More About Engine Mechanical Parts

Whether you're repairing or upgrading your engine, we have engine parts from the most respected suppliers in the business. Purchase engine parts like connecting rods, valves, camshafts, cylinder heads, engine blocks, pistons, and more from ECS Tuning for your next engine repair or overhaul.

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