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Your Vehicle 1990 Mercedes Benz 300SEL Base Sedan 126.025 L6 3.0L

1990 Mercedes Benz 300SEL Base Sedan 126.025 L6 3.0L Engine Parts & Accessories

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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#2867699 - 1245400244 - Coolant Level Sensor - Located on expansion tank - Febi - Mercedes Benz

Located on expansion tank 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#:
2867699
Mfg#:
1245400244
In Stock at Vendor
$11.19

This product was last offered at the strikethrough price on
05-29-2026

$9.90 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#1617833 - 0048206810 - A/C Pressure Switch - Priced Each - Located On The Receiver / Drier - Genuine Mercedes Benz - Mercedes Benz

Located On The Receiver / Drier affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Mercedes Benz - Corporate Logo
ES#:
1617833
Mfg#:
0048206810
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
06-25-2026

$68.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#1663830 - 1265001549 - Coolant Expansion Tank - Coolant level sensor and cap not included - Genuine Mercedes Benz - Mercedes Benz

Coolant level sensor and cap not included affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Mercedes Benz - Corporate Logo
ES#:
1663830
Mfg#:
1265001549
In Stock
ON SALE! SAVE 17%
$39.99

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

$33.12 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2866648 - 1032000114 - Belt Tensioner Damper - Absorbs the shock of the accessory drive belt - Febi - Mercedes Benz

Absorbs the shock of the accessory drive belt 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#:
2866648
Mfg#:
1032000114
In Stock at Vendor
$67.99

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

$65.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#1612732 - 0015429719 - Relay - Priced Each - Includes a new 40 Amp fuse - Genuine Mercedes Benz - Mercedes Benz

Includes a new 40 Amp fuse affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Mercedes Benz - Corporate Logo
ES#:
1612732
Mfg#:
0015429719
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.

$71.00

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

$65.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2524531 - 2015403745 - Over Voltage Protection Relay - OVP - Includes new 10 Amp fuses - MTC - Mercedes Benz

Includes new 10 Amp fuses affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
From The 1988 Model Year

Brand:
MTC - Corporate Logo
ES#:
2524531
Mfg#:
2015403745
Ships in 6 Business Days
$21.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#1815717 - 6010110108 - Rear Main Crankshaft Seal Retainer - Bolted to the rear of the crankcase, this retainer holds the rear main seal in place - Genuine Mercedes Benz - Mercedes Benz

Bolted to the rear of the crankcase, this retainer holds the rear main seal in place affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Mercedes Benz - Corporate Logo
ES#:
1815717
Mfg#:
6010110108
Ships in 4 Business Days
$32.51 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#1614988 - 0024774401 - Fuel Filter - Priced Each - Located on the underside of your vehicle near the fuel pump - Genuine Mercedes Benz - Mercedes Benz

Located on the underside of your vehicle near the fuel pump affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Mercedes Benz - Corporate Logo
ES#:
1614988
Mfg#:
0024774401
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.

$69.00

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

$64.99 USD
Free Shipping
on orders $49 and up
ES#8527 - 0024774401 - Fuel Filter - Priced Each - Located on the underside of your vehicle near the fuel pump - Hengst - Mercedes Benz
ECS Tuning recommends this product.

Located on the underside of your vehicle near the fuel pump 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#:
8527
Mfg#:
0024774401
Ships in 1-2 days
53% off MSRP

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

$44.00

This product was last offered at the strikethrough price on
06-25-2026

$20.75 USD
Free Shipping
on orders $49 and up
ES#2622531 - 0021547206 - Voltage Regulator - Internal type - Bolts to the back of the alternator - Huco - Mercedes Benz

Internal type - Bolts to the back of the alternator affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Huco - Corporate Logo
ES#:
2622531
Mfg#:
0021547206
Back Ordered
$62.99

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

$60.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#251560 - 0000900110 - Fuel Pump Check Valve - Includes all new crush washers needed for installation - Bosch - Audi Volkswagen Mercedes Benz Porsche

Includes all new crush washers needed for installation 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#:
251560
Mfg#:
0000900110
In Stock at Vendor
$29.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#1928130 - 1232402518 - Transmission Mount - Secures the transmission to the crossmember - Meyle - Mercedes Benz

Secures the transmission to the crossmember 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#:
1928130
Mfg#:
1232402518
Ships on Nov 5, 2026
$20.99

This product was last offered at the strikethrough price on
02-25-2026

$14.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4940117 - 1119970330 - Oil Drain Plug - Priced Each - 14mm - Does not include new sealing washer - Bremmen Parts - Mercedes Benz

14mm - Does not include new sealing washer affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
4940117
Mfg#:
1119970330
In Stock
ON SALE! SAVE 20%
$2.49

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

$1.99 USD
Free Shipping
on orders $49 and up
ES#2703349 - 6012001070 - Accessory Belt Idler Pulley - Grooved Pulley - 64mm Outside Diameter - Ina - Mercedes Benz

Grooved Pulley - 64mm Outside Diameter affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Ina - Corporate Logo
ES#:
2703349
Mfg#:
6012001070
Ships in 1-2 days
$19.79 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.

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