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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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Sealing O-Ring - Priced Each

ES#2467 - N90316802 - Sealing O-Ring - Priced Each - Seal for most clip-in cooling sensors/senders. M19.6x3.6mm - Febi - Audi Volkswagen

Seal for most clip-in cooling sensors/senders. M19.6x3.6mm 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#:
2467
Mfg#:
N90316802
In Stock
$3.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Speed Nut - Priced Each

ES#2623238 - 8D0805960 - Speed Nut - Priced Each - Fits silver colored screws with attached washer - Vaico - Audi Volkswagen

Fits silver colored screws with attached washer affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!
Used in securing the belly pan to the vehicle

Brand:
Vaico - Corporate Logo
ES#:
2623238
Mfg#:
8D0805960
In Stock
$5.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Filter - Priced Each

ES#591 - 06A115561B - Oil Filter - Priced Each - Replaces OEM# 06A115561B Keep debris out of your oil and keep your engine running healthy - Mann - Audi Volkswagen

Replaces OEM# 06A115561B Keep debris out of your oil and keep your engine running healthy affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Mann - Corporate Logo
ES#:
591
Mfg#:
06A115561B
In Stock
$8.83 USD
Free Shipping
on orders $49 and up

Ultimate Timing Belt Kit - With Gates Racing Timing Belt

ES#2569777 - B6A4UTBKEV1 - 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 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Up to VIN 8E-4-191000, split is in the 2004 model year

Brand:
Assembled By ECS - Corporate Logo
ES#:
2569777
Mfg#:
B6A4UTBKEV1
Ships on Jul 17, 2026
Auto Notify
$361.99

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

$293.99 USD
Free Shipping
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 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
442064
Mfg#:
8E1907613D
Ships in 2 Business Days
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
06-10-2026

$112.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Performance Polyurethane Snub Mount

ES#3178073 - 034-509-2011 - Performance Polyurethane Snub Mount - Reduce unwanted engine movement with a full polyurethane mount - 034Motorsport - Audi

Reduce unwanted engine movement with a full polyurethane mount affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
034Motorsport - Corporate Logo
ES#:
3178073
Mfg#:
034-509-2011
In Stock
$54.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Audi R8 Oil Cap

ES#2075233 - 420103485B - Audi R8 Oil Cap - Add new styling in minutes with this Audi R8 oil cap - Genuine Volkswagen Audi - Audi Volkswagen

Add new styling in minutes with this Audi R8 oil cap affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2075233
Mfg#:
420103485B
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.

$113.99

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

$103.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Oxygen Sensor - Priced Each

ES#11898 - 16978 - Oxygen Sensor - Priced Each - Keep your engine running efficiently - Bosch - Audi

Keep your engine running efficiently affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Bosch - Corporate Logo
ES#:
11898
Mfg#:
16978
In Stock at Vendor
$128.99

This product was last offered at the strikethrough price on
05-19-2026

$110.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Heater Core Pipe Gasket Set

ES#440737 - 8E0898380 - Heater Core Pipe Gasket Set - Includes the necessary gaskets and clamps for your new heater core - Genuine Volkswagen Audi - 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:
Genuine Volkswagen Audi - Corporate Logo
ES#:
440737
Mfg#:
8E0898380
In Stock
22% off MSRP

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

$31.58

This product was last offered at the strikethrough price on
02-23-2026

$24.79 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Edge European Formula Full Synthetic Engine Oil (5w-40) - 1 Quart

ES#3478523 - 06249 - Edge European Formula Full Synthetic Engine Oil (5w-40) - 1 Quart - Meets VAG 502.00/505.00 and Porsche A40 specifications - Castrol - Audi Volkswagen

Meets VAG 502.00/505.00 and Porsche A40 specifications affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Castrol - Corporate Logo
ES#:
3478523
Mfg#:
06249
In Stock
$16.01

This product was last offered at the strikethrough price on
05-19-2026

$14.62 USD
Free Shipping
on orders $49 and up

Solenoid Valve (N249) - Priced Each

ES#4701353 - 026906283J - Solenoid Valve (N249) - Priced Each - Controls actuation of the Combi Valve or Diverter Valve - Hamburg Tech - Audi Volkswagen

Controls actuation of the Combi Valve or Diverter Valve 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#:
4701353
Mfg#:
026906283J
In Stock
$52.99 USD
Free Shipping
on orders $49 and up

Timing Belt

The most important belt on your engine affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Continental - Corporate Logo
ES#:
3955
Mfg#:
06B109119F
In Stock
$55.99

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

$54.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Cap Gasket

ES#274319 - 036115111B - Oil Cap Gasket - Ensure a proper seal between the oil cap and valve cover - Genuine Volkswagen Audi - Audi Volkswagen

Ensure a proper seal between the oil cap and valve cover affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
From VIN 8E-3-055001, split is in the 2003 model year

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
274319
Mfg#:
036115111B
In Stock
$9.98 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 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#:
4391008
Mfg#:
06E117021L
In Stock
$82.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Billet Fuel Rail - black Finish

ES#2794185 - IEFUVA1BK - Billet Fuel Rail - black Finish - Performance 1 piece fuel rail with style - Integrated Engineering - Audi Volkswagen

Performance 1 piece fuel rail with style affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes!

Requires 12mm injector extensions

Brand:
Integrated Engineering - Corporate Logo
ES#:
2794185
Mfg#:
IEFUVA1BK
In Stock
$175.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

2.0T Coil Pack Conversion Kit - Stage 2

ES#2713402 - 002598ECS11KT - 2.0T Coil Pack Conversion Kit - Stage 2 - Includes anodized black conversion plate -w- red 2.0T coils and red hold down kit - ECS - Audi Volkswagen

Includes anodized black conversion plate -w- red 2.0T coils and red hold down kit affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
2713402
Mfg#:
002598ECS11KT
In Stock
ON SALE!
$358.99

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

$348.22 USD
Free Shipping
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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