Call Us330-331-2003 ChatLive Chat Text Us!
0
Sales & Specials
Enter Your Vehicle
garage-red
Your Vehicle Audi B6 A4 Quattro 1.8T

Audi B6 A4 Quattro 1.8T Engine Parts & Accessories

Sort By
Filter By
Return to Top
ES#2816324 - 8E0121403 - Coolant Expansion Tank - Plastic reservoir for cooling system - Hamburg Tech - Audi

Plastic reservoir for cooling system 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#:
2816324
Mfg#:
8E0121403
Ships in 2 Business Days
$30.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4342572 - 058905161B - Hall Sender - Priced Each - Measures cam position and relays it to the ECU - Febi - Audi Volkswagen

Measures cam position and relays it to the ECU affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Febi - Corporate Logo
ES#:
4342572
Mfg#:
058905161B
Ships on Sep 10, 2026
$30.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#248418 - 8e0121101 - Upper Radiator Hose - Connects the upper radiator to the expansion tank and thermostat housing - Hutchinson Worldwide - Audi

Connects the upper radiator to the expansion tank and thermostat housing affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Hutchinson Worldwide - Corporate Logo
ES#:
248418
Mfg#:
8E0121101
Ships in 2 Business Days
$29.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2823252 - 8E0898380 - Heater Core Pipe Gasket Set - Includes the necessary gaskets and clamps for your new heater core - Original Equipment Supplier - Audi Volkswagen

Includes the necessary gaskets and clamps for your new heater core affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Original Equipment Supplier - Corporate Logo
ES#:
2823252
Mfg#:
8E0898380
Ships in 10 Business Days
$30.99

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

$29.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4818438 - 06B103221G - Breather Hose - Connects directly to first PCV - Bremmen Parts - Audi Volkswagen

Connects directly to first PCV affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Up to the 2003 model year

Brand:
Bremmen Parts - Corporate Logo
ES#:
4818438
Mfg#:
06B103221G
In Stock
Limited Qty Sale
$13.99

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

$9.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#252339 - 06A919081J - Oil Pressure Sender - black - Senses engine oil pressure for the ECU and warning light. 1.2-1.6 BAR - Meyle - Audi Volkswagen

Senses engine oil pressure for the ECU and warning light. 1.2-1.6 BAR affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Meyle - Corporate Logo
ES#:
252339
Mfg#:
06A919081J
Ships on Oct 22, 2026
$9.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4504879 - 036109651A - Valve Keeper - Split cotter for intake or exhaust valve. Two required per valve - TRW - Audi

Split cotter for intake or exhaust valve. Two required per valve affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
TRW - Corporate Logo
ES#:
4504879
Mfg#:
036109651A
In Stock at Vendor
$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
ES#2823250 - 06B103245KT - Pressure Control Valve (PCV) Repair Kit - Located under the intake manifold. Includes hose clamps - Assembled By ECS - Audi

Located under the intake manifold. Includes hose clamps affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
From VIN 8E-3-040001 up to VIN 8E-3-500000, splits are in the 2003 model year

Brand:
Assembled By ECS - Corporate Logo
ES#:
2823250
Mfg#:
06B103245KT
In Stock at Vendor
ON SALE! SAVE 20%
$34.99

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

$27.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4810748 - 06A129101D - Pressure Control Valve (PCV) - (19mm) - Located on the intake hose leading to the turbo inlet - Rein - Audi Volkswagen

Located on the intake hose leading to the turbo inlet affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!
Fits up to VIN 8E-3-500 000 - Split is in the 2003 model year

Brand:
Rein - Corporate Logo
ES#:
4810748
Mfg#:
06A129101D
Ships in 4 Business Days
$13.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2709072 - 8E0121321 - Expansion Tank Cap - Plastic pressure cap for expansion tank - URO - Audi

Plastic pressure cap for expansion tank 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#:
2709072
Mfg#:
8E0121321
Ships in 2 Business Days
$6.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2538531 - 06A121119 - Water Pump O-Ring - Ensure a proper seal when installing a new water pump. 53x4mm - Rein - Audi Volkswagen

Ensure a proper seal when installing a new water pump. 53x4mm affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
2538531
Mfg#:
06A121119
In Stock
$3.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2598146 - 1H0121687A - Expansion Tank Cap Seal - Seals the expansion tank cap to the reservoir. 28.5x3.8 - Vaico - Audi Volkswagen

Seals the expansion tank cap to the reservoir. 28.5x3.8 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Vaico - Corporate Logo
ES#:
2598146
Mfg#:
1H0121687A
In Stock at Vendor
$3.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3550934 - 037121687 - Sealing O-Ring - Priced Each - Install a new o-ring for a proper seal. 36x3.15 - Elring - Audi Volkswagen

Install a new o-ring for a proper seal. 36x3.15 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Elring - Corporate Logo
ES#:
3550934
Mfg#:
037121687
In Stock
$1.01 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3139155 - 8E0121403 - Coolant Expansion Tank - Plastic reservoir for cooling system - Hudson - Audi

Plastic reservoir for cooling system affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Hudson - Corporate Logo
ES#:
3139155
Mfg#:
8E0121403
Ships in 1-2 days
$27.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#11450 - 06B103221F - Breather Hose Connector - Connects the valve cover to the hard pipe and pressure regulator - Original Equipment Supplier - Audi

Connects the valve cover to the hard pipe and pressure regulator affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
From VIN 8E-3-040001 up to VIN 8E-3-500000, splits are in the 2003 model year

Brand:
Original Equipment Supplier - Corporate Logo
ES#:
11450
Mfg#:
06B103221F
Ships in 1-2 days
$26.99

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

$25.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2802784 - 06D121058Q - Oil Cooler Hose - Connects oil cooler to hard coolant pipe - Rein - Audi

Connects oil cooler to hard coolant pipe affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
2802784
Mfg#:
06D121058Q
Ships in 2 Business Days
$12.99 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