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Audi B9 A4 Quattro 2.0T

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Audi B9 A4 Quattro 2.0T Engine Parts & Accessories

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A/C Compressor Clutch

ES#2104250 - 4H0260810B - A/C Compressor Clutch - Keep cool in the summer heat - Genuine Volkswagen Audi - Audi

Keep cool in the summer heat

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2104250
Mfg#:
4H0260810B
Ships in 3 Business Days
8% off MSRP

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

$788.99

This product was last offered at the strikethrough price on
08-25-2026

$721.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Gen 3 Electronic Wastegate Actuator Extension Harness

ES#4043058 - CTS-WH-003 - Gen 3 Electronic Wastegate Actuator Extension Harness - Allows you to set the wastegate voltage on your new turbo/actuator outside of the car before installing turbo. - CTS - Audi Volkswagen

Allows you to set the wastegate voltage on your new turbo/actuator outside of the car before installing turbo.

Brand:
CTS - Corporate Logo
ES#:
4043058
Mfg#:
CTS-WH-003
Ships in 7 Business Days
$39.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Diverter Valve Block Off Plate

ES#2992471 - CTSHW049 - Diverter Valve Block Off Plate - Commonly used for running aftermarket diverter and blow off valves - CTS - Audi Volkswagen

Commonly used for running aftermarket diverter and blow off valves

Brand:
CTS - Corporate Logo
ES#:
2992471
Mfg#:
CTSHW049
Ships on Nov 2, 2026
Auto Notify
$29.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Turbo Muffler Delete Pipe Adapter O-ring - Priced Each

ES#3147457 - 9263K129 - Turbo Muffler Delete Pipe Adapter O-ring - Priced Each - Replacement O-ring for ECS Turbo Muffler Delete Pipe - ECS - Audi Volkswagen

Replacement O-ring for ECS Turbo Muffler Delete Pipe 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
3147457
Mfg#:
9263K129
In Stock
ON SALE! SAVE 25%
$23.99

This product was last offered at the strikethrough price on
06-13-2026

$17.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Water pump pulley bolt

ES#472470 - WHT001163B - Water pump pulley bolt - Secures water pump drive pulley to balance shaft - Genuine Volkswagen Audi - Audi Volkswagen

Secures water pump drive pulley to balance shaft

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
472470
Mfg#:
WHT001163B
In Stock
$1.64 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Billet Aluminum Oil Filter Housing - Black Anodized

ES#3106648 - 005887ecs01KT - Billet Aluminum Oil Filter Housing - Black Anodized - Ditch the easily broken/stripped plastic oil filter housing for a durable billet upgrade - ECS - Audi

Ditch the easily broken/stripped plastic oil filter housing for a durable billet upgrade 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
3106648
Mfg#:
005887ECS01KT
Ships on Jan 27, 2027
ON SALE! SAVE 20%
$126.99

This product was last offered at the strikethrough price on
06-13-2026

$101.59 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Intercooler

ES#3631276 - 8W0145805AD - Intercooler - Don't let a bad intercooler leak your boost - Genuine Volkswagen Audi - Audi

Don't let a bad intercooler leak your boost

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3631276
Mfg#:
8W0145805AD
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.

$770.99

This product was last offered at the strikethrough price on
08-25-2026

$704.99 USD
This product is lifetime replacement eligible Lifetime Replacement

Brisk Extra Turbo Racing ER10GS Spark Plug - Priced Each

ES#4017480 - ER10GS - Brisk Extra Turbo Racing ER10GS Spark Plug - Priced Each - Featuring silver fine wire center electrode - Superior ignition ability increases engine power! - Brisk - Audi Volkswagen Mercedes Benz

Featuring silver fine wire center electrode - Superior ignition ability increases engine power! Two heat ranges colder than stock with a surface discharge design

Brand:
Brisk - Corporate Logo
ES#:
4017480
Mfg#:
ER10GS
In Stock
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
08-25-2026

$34.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

RaceChip GTS Black

ES#4339091 - 906975 - RaceChip GTS Black - Get up to +66 hp and +73 lb-ft through a safe and easy to use tuning module from RaceChip - Race Chip - Audi Porsche

Get up to +66 hp and +73 lb-ft through a safe and easy to use tuning module from RaceChip

Brand:
Race Chip - Corporate Logo
ES#:
4339091
Mfg#:
906975
Ships in 5 Business Days
$699.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Timing Chain Guide Rail - Lower

ES#281410 - 06H109509P - Timing Chain Guide Rail - Lower - Lower left rail on the small chain - Genuine Volkswagen Audi - Audi Volkswagen

Lower left rail on the small chain

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
281410
Mfg#:
06H109509P
In Stock
$31.09

This product was last offered at the strikethrough price on
03-25-2026

$29.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Aluminum Oil Filter Housing

ES#4872236 - 06L115401L - Aluminum Oil Filter Housing - Upgrades the failure-prone OE plastic cover to high-grade aluminum - URO Premium - Audi Volkswagen

Upgrades the failure-prone OE plastic cover to high-grade aluminum 2X Entries Into Our F80 M3 Sweepstakes

Brand:
URO Premium - Corporate Logo
ES#:
4872236
Mfg#:
06L115401L
In Stock
$39.99 USD
Free Shipping
on orders $49 and up

Tensioner Inspection Plug

ES#3666558 - 06H115418AA - Tensioner Inspection Plug - Plug removed to inspect the upper timing chain tensioner - Genuine Volkswagen Audi - Audi Volkswagen

Plug removed to inspect the upper timing chain tensioner

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3666558
Mfg#:
06H115418AA
In Stock
$6.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Billet Washer Fluid Reservoir Cap - Clear Anodized

ES#4039270 - 022732ECS01-02 - Billet Washer Fluid Reservoir Cap - Clear Anodized - Lose the plastic! - ECS - Audi

Lose the plastic! 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
4039270
Mfg#:
022732ECS01-02
In Stock
ON SALE! SAVE 33%
$71.99

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

$48.15 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Camshaft Adjuster Magnet

ES#5388811 - 06L109259A - Camshaft Adjuster Magnet - Stop oil leaks and replace the adjuster magnet in your vehicle - Bremmen Parts - Audi Volkswagen

Stop oil leaks and replace the adjuster magnet in your vehicle 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Bremmen Parts - Corporate Logo
ES#:
5388811
Mfg#:
06L109259A
Ships on Oct 15, 2026
Auto Notify
ON SALE! SAVE 15%
$43.99

This product was last offered at the strikethrough price on
06-20-2026

$37.39 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Separator/PCV Valve Gasket

ES#2737875 - 06K103484F - Oil Separator/PCV Valve Gasket - Replacement seal for the pcv Located on top of your valve cover - Genuine Volkswagen Audi - Audi Volkswagen

Replacement seal for the pcv Located on top of your valve cover

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2737875
Mfg#:
06K103484F
In Stock
17% off MSRP

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

$13.24

This product was last offered at the strikethrough price on
03-05-2026

$11.00 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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