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Audi B9 A4 Quattro 2.0T Engine Parts & Accessories

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Get up to +55 hp and +61 through a safe and easy to use tuning module from RaceChip affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Race Chip - Corporate Logo
ES#:
4339089
Mfg#:
906971
In Stock
$399.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2993389 - 06K919081D - Oil Pressure Switch - Blue 
Oil Pressure Switch - Blue - Read your oil pressure properly again. - Genuine Volkswagen Audi - Audi

Read your oil pressure properly again. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2993389
Mfg#:
06K919081D
Ships in 1 day
7% off MSRP

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

$60.99

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

$56.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#315695 - 1K0201375 - In-Tank Fuel Pump Union Nut - Secures in-take fuel pump assembly to the fuel tank - Genuine Volkswagen Audi - Audi Volkswagen

Secures in-take fuel pump assembly to the fuel tank affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
315695
Mfg#:
1K0201375
Ships in 1 day
14% off MSRP

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

$21.99

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

$18.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4745412 - 034-110-Z015 - 034Motorsport Billet Oil Cap - Transform your engine bay with the beautiful and sexy 034Motorsport Billet Oil Cap. - 034Motorsport - Audi Volkswagen

Transform your engine bay with the beautiful and sexy 034Motorsport Billet Oil Cap. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles from the 2021 model year only.

Brand:
034Motorsport - Corporate Logo
ES#:
4745412
Mfg#:
034-110-Z015
In Stock
$99.00 USD
Free Shipping
ES#2976395 - 06L971824K - Coil Pack Wiring Harness Conduit  - Factory black replacement - Genuine Volkswagen Audi - Audi

Factory black replacement affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2976395
Mfg#:
06L971824K
Ships in 2 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.

$19.99

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

$17.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4836243 - 8W0121251AK - Radiator - Ensure proper cooling for your engine with a new radiator. - TYC - Audi

Ensure proper cooling for your engine with a new radiator. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
TYC - Corporate Logo
ES#:
4836243
Mfg#:
8W0121251AK
In Stock at Vendor
$201.99

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

$195.99 USD
This product is lifetime replacement eligible Lifetime Replacement
ES#3476954 - 024641ecs01KT - Carbon Fiber Intake Scoop & Overlay Kit - Full solution to give your factory intake system a performance look! - ECS - Audi

Full solution to give your factory intake system a performance look! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
3476954
Mfg#:
024641ECS01KT
Ships on Nov 18, 2026
ON SALE! SAVE 10%
$427.99

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

$385.19 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4069170 - GN10632KT - Ignition Coils - Set Of Four  - Keep your engine running strong - Delphi - Audi Volkswagen

Keep your engine running strong affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Delphi - Corporate Logo
ES#:
4069170
Mfg#:
GN10632KT
In Stock at Vendor
$189.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4316345 - IEINCK2 - Carbon Fiber Intake Lid  - Add some style, class, and sporty look to your IE A4 or A5 2.0T Cold Air Intake with this direct-fit carbon fiber lid! - Integrated Engineering - Audi

Add some style, class, and sporty look to your IE A4 or A5 2.0T Cold Air Intake with this direct-fit carbon fiber lid! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Integrated Engineering - Corporate Logo
ES#:
4316345
Mfg#:
IEINCK2
Ships in 4 Business Days
ON SALE! SAVE 10%
$373.99

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

$336.59 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3106649 - 005887ECS02KT - Billet Aluminum Oil Filter Housing - Silver 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 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
3106649
Mfg#:
005887ECS02KT
In Stock
ON SALE!
$126.99

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

$123.18 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#5396700 - 5WA201550BD - Gas Cap With Strap - Replace your leaking cap, or the one you left at the pump - Hamburg Tech - Audi

Replace your leaking cap, or the one you left at the pump affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Fits vehicle with production dates from 06/21/2021

Brand:
Hamburg Tech - Corporate Logo
ES#:
5396700
Mfg#:
5WA201550BD
In Stock
$45.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#5341426 - 06L121081K - Coolant Bypass Hose - connects to coolant hose connector that mounts in the cylinder head - Rein - Audi

connects to coolant hose connector that mounts in the cylinder head affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Rein - Corporate Logo
ES#:
5341426
Mfg#:
06L121081K
In Stock
$45.99 USD
Free Shipping
on orders $49 and up
ES#4818484 - 06H906433 - Crankshaft Position Sensor - Also known as the RPM or Impulse sensor. - Bremmen Parts - Audi Volkswagen

Also known as the RPM or Impulse sensor. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
4818484
Mfg#:
06H906433
In Stock
ON SALE! SAVE 17%
$22.99

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

$19.07 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4039245 - 020809ECS01-01 -  Billet Brake Fluid Cap - Black Anodized  - Lose the plastic! - ECS - Audi Volkswagen

Lose the plastic! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4039245
Mfg#:
020809ECS01-01
In Stock
$89.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3672109 - JB4-BLT-ENCR - JB4 Billet Aluminum Enclosure - Stylish protective waterproof case for your JB1 or JB4 - Burger Motorsports - Audi Volkswagen Mercedes Benz MINI Porsche

Stylish protective waterproof case for your JB1 or JB4 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Burger Motorsports - Corporate Logo
ES#:
3672109
Mfg#:
JB4-BLT-ENCR
Ships in 1 Business Day
$59.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2738366 - FMDVMK7R - Diverter Valve Kit - Black - Cure your leaking valve problems for good! - Forge - Audi Volkswagen Porsche

Cure your leaking valve problems for good! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Forge - Corporate Logo
ES#:
2738366
Mfg#:
FMDVMK7R
Ships in 3 Business Days
$349.99 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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