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Audi B6 A4 Quattro 1.8T

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Audi B6 A4 Quattro 1.8T Engine Parts & Accessories

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Porsche 911 Oil Cap

ES#3516769 - 9P1115423A - Porsche 911 Oil Cap - Black and satin aluminum colored valve cover mounted oil cap from the Porsche 991 - Genuine Porsche - Audi Volkswagen Porsche

Black and satin aluminum colored valve cover mounted oil cap from the Porsche 991

Brand:
Genuine Porsche - Corporate Logo
ES#:
3516769
Mfg#:
9P1115423A
Ships Today
$81.05

This product was last offered at the strikethrough price on
08-04-2026

$77.84 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Cooler

ES#4391008 - 06E117021L - Oil Cooler - Common source of undiscoverable coolant leaks - URO - Audi Volkswagen

Common source of undiscoverable coolant leaks 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
4391008
Mfg#:
06E117021L
In Stock
$82.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Camshaft Adjuster Repair Kit

ES#4615447 - 06F103107G - Camshaft Adjuster Repair Kit - Located on the back of the cylinder head. Includes Housing, Housing Gasket, and Solenoid. - URO - Audi Volkswagen

Located on the back of the cylinder head. Includes Housing, Housing Gasket, and Solenoid. 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
4615447
Mfg#:
06F103107G
Back Ordered
$619.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Hex Bolt - Priced Each

ES#469210 - N90130001 - Hex Bolt - Priced Each - Commonly used as main bearing bolts. M10x80 - Genuine Volkswagen Audi - Audi Volkswagen

Commonly used as main bearing bolts. M10x80

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
469210
Mfg#:
N90130001
In Stock
$9.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

ECU Cover

ES#442064 - 8E1907613D - ECU Cover - Top cover for the engine control module housing - Genuine Volkswagen Audi - Audi

Top cover for the engine control module housing

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
442064
Mfg#:
8E1907613D
Ships in 3 Business Days
10% 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
08-31-2026

$111.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Reinforced Silicone Breather Hose Kit

ES#2864538 - 034-101-3002 - Reinforced Silicone Breather Hose Kit - Upgrade from weaker rubber hoses - 034Motorsport - Audi Volkswagen

Upgrade from weaker rubber hoses 2X Entries Into Our F80 M3 Sweepstakes
Up to VIN 8E-3-040000, split is in the 2003 model year

Brand:
034Motorsport - Corporate Logo
ES#:
2864538
Mfg#:
034-101-3002
Ships in 2 Business Days
$246.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Cooling Flange Replacement Kit

ES#2602901 - 06B121132EKT1 - Cooling Flange Replacement Kit - Cure the common coolant leak coming from the back of your engine compartment - Assembled By ECS - Audi

Cure the common coolant leak coming from the back of your engine compartment 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
2602901
Mfg#:
06B121132EKT1
In Stock
ON SALE! SAVE 31%
$64.99

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

$45.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Ultimate Timing Belt Kit - With Gates Racing Timing Belt

ES#2569779 - B6A4UTBKLV1 - Ultimate Timing Belt Kit - With Gates Racing Timing Belt - Looking for the best timing belt kit on the market? Look no further than ECS Tuning - Assembled By ECS - Audi

Looking for the best timing belt kit on the market? Look no further than ECS Tuning 10X Entries Into Our F80 M3 Sweepstakes
From VIN 8E-4-191001, split is in the 2004 model year

Brand:
Assembled By ECS - Corporate Logo
ES#:
2569779
Mfg#:
B6A4UTBKLV1
In Stock
$360.99

This product was last offered at the strikethrough price on
03-24-2026

$302.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Oil Filter - Priced Each

ES#262985 - 06A115561B - Oil Filter - Priced Each - Keep debris out of your oil and keep your engine running healthy - Genuine Volkswagen Audi - Audi Volkswagen

Keep debris out of your oil and keep your engine running healthy

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
262985
Mfg#:
06A115561B
In Stock
13% off MSRP

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

$16.83

This product was last offered at the strikethrough price on
09-13-2026

$14.65 USD
Free Shipping
on orders $49 and up

K03/K04 Turbocharger Installation Kit

ES#3366 - B5KO4IK - K03/K04 Turbocharger Installation Kit - All hardware & gaskets to install a new turbocharger - Assembled By ECS - Audi Volkswagen

All hardware & gaskets to install a new turbocharger 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
3366
Mfg#:
B5KO4IK
Ships in 9 Business Days
ON SALE! SAVE 26%
$123.99

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

$92.17 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Oil Pan Gasket/Silicone Sealant - 70ml

ES#2800370 - D176404A2 - Oil Pan Gasket/Silicone Sealant - 70ml - Useful for the creation of many gaskets - Ajusa - Audi Volkswagen Mercedes Benz

Useful for the creation of many gaskets

Brand:
Ajusa - Corporate Logo
ES#:
2800370
Mfg#:
D176404A2
In Stock
$20.99

This product was last offered at the strikethrough price on
05-06-2026

$16.99 USD
Free Shipping
on orders $49 and up

Radiator Fan Control Module (600W)

ES#2795007 - 8E0959501AG - Radiator Fan Control Module (600W) - Keep your cooling system operating properly - Hamburg Tech - Audi

Keep your cooling system operating properly We Price Match - Give Us A Call or Chat!
Please check existing part number for proper control module

Brand:
Hamburg Tech - Corporate Logo
ES#:
2795007
Mfg#:
8E0959501AG
In Stock
$197.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Return Line

ES#2749017 - 06B145735F - Oil Return Line - Connects the turbocharger to the oil pan - URO - Audi Volkswagen

Connects the turbocharger to the oil pan 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
2749017
Mfg#:
06B145735F
Ships in 2 Business Days
$115.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

JHM Fuel Filter

ES#4845378 - JHM-8E0201511J-M - JHM Fuel Filter - High Volume for B6 A4 1.8t (all) and late (04-05) 3.0l V6, B6 S4 and EARLY B7 S4 w 4-lines - JH Motorsports - Audi

High Volume for B6 A4 1.8t (all) and late (04-05) 3.0l V6, B6 S4 and EARLY B7 S4 w 4-lines

Brand:
JH Motorsports - Corporate Logo
ES#:
4845378
Mfg#:
JHM-8E0201511J-M
In Stock
$105.00 USD
Free Shipping
on orders $49 and up

Oil Filter - Priced Each

ES#2158199 - 06A115561B - Oil Filter - Priced Each - Replaces OEM# 06A115561B German quality for your Volkswagen - Hengst - Audi Volkswagen
ECS Tuning recommends this product.

Replaces OEM# 06A115561B German quality for your Volkswagen 5X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat! Hengst is our preferred OEM filtration supplier!

Brand:
Hengst - Corporate Logo
ES#:
2158199
Mfg#:
06A115561B
In Stock
$11.39

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

$10.49 USD
Free Shipping
on orders $49 and up

Oil Pressure Switch - Black

ES#2681778 - 06A919081J - Oil Pressure Switch - Black - Senses engine oil pressure for the ECU and warning light. 1.2-1.6 BAR - Rein - Audi Volkswagen

Senses engine oil pressure for the ECU and warning light. 1.2-1.6 BAR 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
2681778
Mfg#:
06A919081J
In Stock
$11.99

This product was last offered at the strikethrough price on
06-15-2026

$8.99 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.

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