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#4151834 - 8E0121101R - Radiator Hose - Upper - Connects the upper radiator port to the expansion tank and hard water pipe - Rein - Audi

Connects the upper radiator port to the expansion tank and hard water pipe 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
4151834
Mfg#:
8E0121101R
Ships in 3 Business Days
$31.99

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

$22.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3464341 - 06B198491 - Main Bearing Set - Does not come with thrust washers - Kolbenschmidt - Audi Volkswagen

Does not come with thrust washers

Brand:
Kolbenschmidt - Corporate Logo
ES#:
3464341
Mfg#:
06B198491
In Stock
$58.99

This product was last offered at the strikethrough price on
07-09-2026

$52.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4818590 - 1C0906517A - Purge Valve - Common cure for DTC P0441 - Bremmen Parts - Audi Volkswagen Porsche

Common cure for DTC P0441 10X Entries Into Our F80 M3 Sweepstakes 10X Entries For Our Spin To Win Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
4818590
Mfg#:
1C0906517A
In Stock
ON SALE! SAVE 25%
$38.99

This product was last offered at the strikethrough price on
11-07-2026

$29.24 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#1926078 - WHT005322 - Crankshaft Gear Bolt - Secures the crankshaft gear to the crank. M16x54 - Genuine Volkswagen Audi - Audi Volkswagen

Secures the crankshaft gear to the crank. M16x54 Secures front crankshaft pulley to crank

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
1926078
Mfg#:
WHT005322
In Stock
18% off MSRP

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

$16.99

This product was last offered at the strikethrough price on
11-10-2026

$13.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3199853 - 8E0121101J - Radiator Hose - Upper - Runs from the radiator to the water pipe and expansion tank. - Vaico - Audi

Runs from the radiator to the water pipe and expansion tank. We Price Match - Give Us A Call or Chat!

Brand:
Vaico - Corporate Logo
ES#:
3199853
Mfg#:
8E0121101J
Ships in 1 Business Day
$269.99

This product was last offered at the strikethrough price on
08-13-2026

$136.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3176154 -  06b109119fKT - Timing Belt Kit - Ultimate  - Everything you need for a complete timing belt job on your 1.8T. Buy it all together & save. - Assembled By ECS - Audi

Everything you need for a complete timing belt job on your 1.8T. Buy it all together & save. 10X Entries Into Our F80 M3 Sweepstakes 10X Entries For Our Spin To Win Sweepstakes!
Up to VIN 8E-4-191000, split is in the 2004 model year

Brand:
Assembled By ECS - Corporate Logo
ES#:
3176154
Mfg#:
06B109119FKT
Back Ordered
$720.99

This product was last offered at the strikethrough price on
07-08-2026

$683.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#258759 - 058198217 - Cam Chain Tensioner Gasket Set - Seals the cam chain tensioner to the cylinder head - Genuine Volkswagen Audi - Audi Volkswagen

Seals the cam chain tensioner to the cylinder head

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
258759
Mfg#:
058198217
In Stock
4% off MSRP

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

$22.99

This product was last offered at the strikethrough price on
11-10-2026

$21.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#440757 - 8E0906201K - Leak Detection Pump - Diagnosis pump for fuel system - Genuine Volkswagen Audi - Audi

Diagnosis pump for fuel system

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
440757
Mfg#:
8E0906201K
In Stock
Limited Qty Sale
$379.99

This product was last offered at the strikethrough price on
10-26-2026

$339.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3536253 - 06D145778C - Turbocharger Oil Line (Feed) - Rein - Audi

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

Brand:
Rein - Corporate Logo
ES#:
3536253
Mfg#:
06D145778C
In Stock
$96.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#7845 - 06A129101F - Pressure Control Valve (PCV) - (25mm) - Located on the intake hose leading to the turbo inlet - Genuine Volkswagen Audi - Audi Volkswagen

Located on the intake hose leading to the turbo inlet Fits from VIN 8E-4-000 001 - Split is in the 2004 model year

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
7845
Mfg#:
06A129101F
In Stock
9% off MSRP

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

$123.99

This product was last offered at the strikethrough price on
10-05-2026

$112.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4430281 - TS-0101-1101 - Turbosmart Boost Tee Manual Boost Controller - Blue - In-car boost controller for fine tuning - TurboSmart - Audi Volkswagen MINI Porsche

In-car boost controller for fine tuning

Brand:
TurboSmart - Corporate Logo
ES#:
4430281
Mfg#:
TS-0101-1101
In Stock at Vendor
10% off MSRP

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

$124.99

This product was last offered at the strikethrough price on
11-10-2026

$112.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4830641 - 06B903341B - Accessory Belt Idler Pulley - Also referred to as the 'relay roller' - Bremmen Parts - Audi

Also referred to as the 'relay roller' 10X Entries Into Our F80 M3 Sweepstakes 10X Entries For Our Spin To Win Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
4830641
Mfg#:
06B903341B
In Stock
ON SALE! SAVE 30%
$28.99

This product was last offered at the strikethrough price on
11-07-2026

$20.29 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#979 - 058109229B - Timing Chain - Priced Each - Connects the camshafts together around the tensioner - Genuine Volkswagen Audi - Audi Volkswagen

Connects the camshafts together around the tensioner

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
979
Mfg#:
058109229B
Ships in 1 day
9% off MSRP

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

$244.99

This product was last offered at the strikethrough price on
10-05-2026

$223.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#248399 - N138492alu10PACK - Aluminum Drain Plug Washer - Pack Of 10 - Replace with every oil service to prevent leaks. M14x20x1.5 - Elring - Audi Volkswagen

Replace with every oil service to prevent leaks. M14x20x1.5 2X Entries Into Our F80 M3 Sweepstakes 2X Entries For Our Spin To Win Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Elring - Corporate Logo
ES#:
248399
Mfg#:
N138492ALU10PACK
In Stock
$29.99

This product was last offered at the strikethrough price on
07-06-2026

$22.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2813017 - 06A145710N - 710N Diverter Valve - Priced Each - A great upgrade for stock to mildly tuned engines - Hamburg Tech - Audi Volkswagen

A great upgrade for stock to mildly tuned engines We Price Match - Give Us A Call or Chat!

Brand:
Hamburg Tech - Corporate Logo
ES#:
2813017
Mfg#:
06A145710N
In Stock
$34.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Diagnosis pump for fuel system

Brand:
SMP - Corporate Logo
ES#:
4057654
Mfg#:
8E0906201K
Ships in 1 Business Day
$659.99 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 Your Privacy Choices Cookie Policy ECS Tuning is part of Enthusiast Auto Holdings