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Your Vehicle 1998 Mercedes Benz S420 Base Sedan 140.043 V8 4.2L

1998 Mercedes Benz S420 Base Sedan 140.043 V8 4.2L Engine Parts & Accessories

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ES#1621218 - 0115425117 - Coolant Temperature Sensor - Square Housing with Four (4) Pin Connector - Genuine Mercedes Benz - Mercedes Benz

Square Housing with Four (4) Pin Connector affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Mercedes Benz - Corporate Logo
ES#:
1621218
Mfg#:
0115425117
In Stock at Vendor
$84.99

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

$83.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#1645018 - 1190520916 - Timing Chain Guide Rail - Left And Right Sides - Top - Genuine Mercedes Benz - Mercedes Benz

Left And Right Sides - Top affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Mercedes Benz - Corporate Logo
ES#:
1645018
Mfg#:
1190520916
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.

$45.00

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

$41.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
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
ES#2603051 - 1191800009 - Oil Filter Kit - Priced Each - Includes all needed o-rings for installation - Hengst - Mercedes Benz
ECS Tuning recommends this product.

Includes all needed o-rings for installation affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat! Hengst is our preferred OEM filtration supplier!

Brand:
Hengst - Corporate Logo
ES#:
2603051
Mfg#:
1191800009
In Stock
$16.99

This product was last offered at the strikethrough price on
04-01-2026

$12.99 USD
Free Shipping
on orders $49 and up
ES#2766033 - 1190163520 - Cylinder Head Gasket - Priced Each - Left Side - Victor Reinz - Mercedes Benz

Left Side affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
From Engine Number: 017486, Also Installed On Engine Numbers: 017447-017451, 0017453-017465, And 017469-017484

Brand:
Victor Reinz - Corporate Logo
ES#:
2766033
Mfg#:
1190163520
In Stock
ON SALE! SAVE 28%
$102.99

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

$74.56 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2603465 - 000090031064 - Fuel Pump Check Valve - Genuine Mercedes Benz - Mercedes Benz Porsche

affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Chas: -A220200

Brand:
Genuine Mercedes Benz - Corporate Logo
ES#:
2603465
Mfg#:
000090031064
Ships on Jul 2, 2026
8% off MSRP

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

$39.99

This product was last offered at the strikethrough price on
12-29-2025

$36.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#1634416 - 1110180080 -  Oil Filler Cap Seal - 47mm x 59mm x 2.5mm - If your oil cap is tough to turn off by hand, its time for a new seal. - Genuine Mercedes Benz - Mercedes Benz

47mm x 59mm x 2.5mm - If your oil cap is tough to turn off by hand, its time for a new seal. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Mercedes Benz - Corporate Logo
ES#:
1634416
Mfg#:
1110180080
In Stock
$5.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
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
ES#1811185 - 304017010051 - Bolt - Priced Each - M10x60 - Genuine Mercedes Benz - Mercedes Benz

M10x60 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
One (1) Required Per Engine Mount - Engine Mount To Engine Support

Brand:
Genuine Mercedes Benz - Corporate Logo
ES#:
1811185
Mfg#:
304017010051
Ships in 3 Business Days
$6.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2718995 - 0024772701 - Fuel Filter - Priced Each - Located underneath your vehicle - Mahle - Mercedes Benz

Located underneath your vehicle affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Mahle - Corporate Logo
ES#:
2718995
Mfg#:
0024772701
In Stock at Vendor
$70.99

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

$68.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#1815996 - 6012001070 - Accessory Belt Idler Pulley - Grooved Pulley - 64mm Outside Diameter - Genuine Mercedes Benz - Mercedes Benz

Grooved Pulley - 64mm Outside Diameter affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Mercedes Benz - Corporate Logo
ES#:
1815996
Mfg#:
6012001070
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.

$74.00

This product was last offered at the strikethrough price on
12-29-2025

$68.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#1817517 - 6120500058 - Valve Stem Seal - Priced Each - Resolve oil burning issues in the valvetrain with new seals - Genuine Mercedes Benz - Mercedes Benz

Resolve oil burning issues in the valvetrain with new seals affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Mercedes Benz - Corporate Logo
ES#:
1817517
Mfg#:
6120500058
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.

$18.00

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

$16.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#1645022 - 1190521316 - Timing Chain Guide Rail - Left Cylinder Head - Outside - Genuine Mercedes Benz - Mercedes Benz

Left Cylinder Head - Outside affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Mercedes Benz - Corporate Logo
ES#:
1645022
Mfg#:
1190521316
In Stock
ON SALE! SAVE 32%
$96.99

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

$66.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4030532 - 2105010615 - Expansion Tank Cap - Should be replaced periodically to maintain proper cooling system operation - URO - Mercedes Benz

Should be replaced periodically to maintain proper cooling system operation affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
4030532
Mfg#:
2105010615
Ships in 2 Business Days
$12.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

MAHLE Original Mercedes-Benz Valve Cover Gasket affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Victor Reinz - Corporate Logo
ES#:
4675646
Mfg#:
VS50520SL
Back Ordered
$63.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2813569 - 1171400265 - Intake Plenum Gasket - Priced Each - Intermediate seal ring between upper and lower intake manifolds - Hamburg Tech - Mercedes Benz

Intermediate seal ring between upper and lower intake manifolds affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!
Eight (8) Required Per Engine

Brand:
Hamburg Tech - Corporate Logo
ES#:
2813569
Mfg#:
1171400265
Ships in 4 Business Days
$7.99 USD
Free Shipping
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.

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