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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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Valve Cover

ES#263088 - 06B103469AH - Valve Cover - Does not include gasket or cap - Genuine Volkswagen Audi - Audi Volkswagen

Does not include gasket or cap affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
263088
Mfg#:
06B103469AH
Ships in 8 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.

$391.99

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

$358.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

2.0T Coil Pack Conversion Kit - Stage 2

ES#2713394 - 002598ECS06KT - 2.0T Coil Pack Conversion Kit - Stage 2 - Includes wrinkle black conversion plate -w- black 2.0T coils and black hold down kit - ECS - Audi Volkswagen

Includes wrinkle black conversion plate -w- black 2.0T coils and black 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#:
2713394
Mfg#:
002598ECS06KT
Ships on Jul 14, 2026
Auto Notify
$358.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

2.0T Coil Pack Conversion Kit - Stage 2

ES#2713414 - 002598ECS22KT - 2.0T Coil Pack Conversion Kit - Stage 2 - Includes wrinkle red conversion plate -w- black 2.0T coils and black hold down kit - ECS - Audi Volkswagen

Includes wrinkle red conversion plate -w- black 2.0T coils and black 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#:
2713414
Mfg#:
002598ECS22KT
Ships on Jul 14, 2026
Auto Notify
$358.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Supertech Inconel Exhaust Valve Set Of 8

+1mm oversized valve head diameter, single groove keeper setup for high RPM use affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Supertech - Corporate Logo
ES#:
4473987
Mfg#:
AEVI-1106S-8
Ships in 8 Business Days
$357.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

25mm Pressure Regulating Valve (PRV)

ES#4858146 - 034-101-Z006 - 25mm Pressure Regulating Valve (PRV) - Located on the intake hose leading to the turbo inlet - 034Motorsport - Audi Volkswagen

Located on the intake hose leading to the turbo inlet affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
034Motorsport - Corporate Logo
ES#:
4858146
Mfg#:
034-101-Z006
Ships in 2 Business Days
$119.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Crankshaft Timing Gear

ES#279244 - 06A105263E - Crankshaft Timing Gear - Drives the timing belt from the crankshaft - Genuine Volkswagen Audi - Audi Volkswagen

Drives the timing belt from the crankshaft affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
279244
Mfg#:
06A105263E
In Stock
2% off MSRP

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

$121.99

This product was last offered at the strikethrough price on
06-11-2026

$118.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Exhaust Camshaft

ES#2866029 - 058109022B - Exhaust Camshaft - Prevent timing failure by replacing your worn out camshaft - Febi - Audi Volkswagen

Prevent timing failure by replacing your worn out camshaft 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#:
2866029
Mfg#:
058109022B
Back Ordered
$355.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Expansion Tank

ES#2582072 - 8E0121403 - Coolant Expansion Tank - Plastic reservoir for cooling system - Vaico - Audi

Plastic reservoir for cooling system affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Vaico - Corporate Logo
ES#:
2582072
Mfg#:
8E0121403
In Stock at Vendor
$60.99

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

$58.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Timing Belt Tensioner Roller

ES#2162896 - 06A109243A - Timing Belt Tensioner Roller - Also known as the Tensioning roller - Genuine Volkswagen Audi - Audi

Also known as the Tensioning roller affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2162896
Mfg#:
06A109243A
In Stock
7% off MSRP

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

$188.99

This product was last offered at the strikethrough price on
06-11-2026

$175.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Ignition Coils - Set Of Four

ES#1494 - 06B998115R - Ignition Coils - Set Of Four - A common cure for misfire codes - Genuine Volkswagen Audi - Audi Volkswagen

A common cure for misfire codes affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
1494
Mfg#:
06B998115R
Ships in 1 day
$175.96 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Fuel Level Sensor - Left

ES#436468 - 8E0201317N - Fuel Level Sensor - Left - Informs the instrument cluster of the tank's fuel level - Genuine Volkswagen Audi - Audi

Informs the instrument cluster of the tank's fuel level affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Up to Vin 8E-5-065000, split is in the 2005 model year

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
436468
Mfg#:
8E0201317N
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.

$383.99

This product was last offered at the strikethrough price on
06-11-2026

$350.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

B6 A4 1.8T Performance Pack - Level 1

ES#4017065 - b618tpplvl1KT - B6 A4 1.8T Performance Pack - Level 1 - Entry-level performance kit composed of a careful selection of our best sellers, offering valuable performance gains at a 'bang for the buck' price point - Assembled By ECS - Audi

Entry-level performance kit composed of a careful selection of our best sellers, offering valuable performance gains at a 'bang for the buck' price point affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Fits from VIN 8E-4-000001, split is in the 2004 model year

Brand:
Assembled By ECS - Corporate Logo
ES#:
4017065
Mfg#:
B618TPPLVL1KT
In Stock
ON SALE! SAVE 10%
$389.99

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

$350.98 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Oxygen Sensor - Priced Each

ES#1853396 - 1K0998262 - Oxygen Sensor - Priced Each - Keep your engine running efficiently - Genuine Volkswagen Audi - Audi Volkswagen

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

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
1853396
Mfg#:
1K0998262
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.

$374.99

This product was last offered at the strikethrough price on
06-11-2026

$349.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Accessory Belt Idler Pulley

ES#2523917 - 06B903341B - Accessory Belt Idler Pulley - Also referred to as the 'relay roller' - URO - Audi

Also referred to as the 'relay roller' 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#:
2523917
Mfg#:
06B903341B
In Stock
Limited Qty Sale
$28.99

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

$24.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Performance Engine Mount Kit

ES#3183381 - 034-509-0007KT2 - Performance Engine Mount Kit - Includes 034Motorsport Street Density mounts, ECS polyurethane snub mount, and hardware - Assembled By ECS - Audi

Includes 034Motorsport Street Density mounts, ECS polyurethane snub mount, and hardware affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
3183381
Mfg#:
034-509-0007KT2
In Stock
ON SALE!
$359.99

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

$348.47 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

2.0T Coil Pack Conversion Kit - Stage 2

ES#2713416 - 002598ECS23KT - 2.0T Coil Pack Conversion Kit - Stage 2 - Includes wrinkle red conversion plate -w- black 2.0T coils and red hold down kit - ECS - Audi Volkswagen

Includes wrinkle red conversion plate -w- black 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#:
2713416
Mfg#:
002598ECS23KT
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.
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