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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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Hex Head Bolt - Priced Each

ES#468241 - N10458902 - Hex Head Bolt - Priced Each - Secures alternator in place (M8x90x41) - Genuine Volkswagen Audi - Audi

Secures alternator in place (M8x90x41) affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
468241
Mfg#:
N10458902
Ships in 1 day
$6.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Allen Bolt - Priced Each

ES#466496 - N01470514 - Allen Bolt - Priced Each - Install new hardware with your new parts. M6x25 - Genuine Volkswagen Audi - Audi Volkswagen

Install new hardware with your new parts. M6x25 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Used to secure the oil level sensor/cover

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
466496
Mfg#:
N01470514
In Stock
21% off MSRP

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

$3.38

This product was last offered at the strikethrough price on
06-16-2026

$2.68 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

2.0T Coil Pack Conversion Kit - Stage 1

ES#2731572 - 002598ECS25KT - 2.0T Coil Pack Conversion Kit - Stage 1 - Includes wrinkle red conversion plate and stainless still hardware - ECS - Audi Volkswagen

Includes wrinkle red conversion plate and stainless still hardware affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
2731572
Mfg#:
002598ECS25KT
In Stock
ON SALE! SAVE 10%
$168.99

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

$152.09 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Accessory Belt Idler Pulley

ES#2635888 - 06B903341B - Accessory Belt Idler Pulley - Also referred to as the 'relay roller' - Vaico - 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:
Vaico - Corporate Logo
ES#:
2635888
Mfg#:
06B903341B
In Stock
Limited Qty Sale
$46.99

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

$37.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Performance Snub Mount - Black Series

ES#4871802 - PFF3-220BLK - Performance Snub Mount - Black Series - Put your power to the ground! - Powerflex Black Series - Audi Volkswagen

Put your power to the ground! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Powerflex Black Series - Corporate Logo
ES#:
4871802
Mfg#:
PFF3-220BLK
Ships in 1 Business Day
$37.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Engine Snub Nose Mount - Black Series

Minimize the movement of the diff under acceleration. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Powerflex - Corporate Logo
ES#:
4869769
Mfg#:
PFF3-221BLK
Ships in 1 Business Day
$37.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Fuel Injector Installation Kit

ES#2587309 - 06B133555HKT - Fuel Injector Installation Kit - Kit composed of genuine Audi injector o-rings, inserts, and retaining clips. - Genuine Volkswagen Audi - Audi

Kit composed of genuine Audi injector o-rings, inserts, and retaining clips. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2587309
Mfg#:
06B133555HKT
Ships on Sep 28, 2026
Auto Notify
$149.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Copper Drain Plug Washer - Pack Of 10

ES#2266 - N138492 10PACK - Copper Drain Plug Washer - Pack Of 10 - Replace with every oil service to prevent leaks. M14x20x1.5 - Victor Reinz - Audi Volkswagen

Replace with every oil service to prevent leaks. M14x20x1.5 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Victor Reinz - Corporate Logo
ES#:
2266
Mfg#:
N138492 10PACK
In Stock
$49.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Knock Sensor - Blue Connector - Priced Each

ES#2162503 - 06C905377 - Knock Sensor - Blue Connector - Priced Each - Detects engine ping for timing adjustment - Continental - Audi Volkswagen

Detects engine ping for timing adjustment 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#:
2162503
Mfg#:
06C905377
Ships in 1 day
$49.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Cooler Hose - Supply

ES#4818441 - 06B121058S - Oil Cooler Hose - Supply - Connects the oil cooler to the hard water pipe - Bremmen Parts - Audi Volkswagen

Connects the oil cooler to the hard water pipe affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
4818441
Mfg#:
06B121058S
In Stock
ON SALE! SAVE 27%
$8.99

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

$6.52 USD
Free Shipping
on orders $49 and up

1.8T Launch Control

Upgrade your tune with Launch Control affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Only to be purchased in conjunction with another tune

Brand:
Tunezilla - Corporate Logo
ES#:
4172090
Mfg#:
18T-20V-UPD
Ships in 7 Business Days
$149.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Manual Boost Controller - Polished

ES#1832076 - FMICB051c - Manual Boost Controller - Polished - In-car boost controller for fine tuning - Forge - Audi Volkswagen

In-car boost controller for fine tuning affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Forge - Corporate Logo
ES#:
1832076
Mfg#:
FMICB051C
Ships on Jul 7, 2026
$72.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Allen Bolt - Priced Each

ES#466521 - N01474011 - Allen Bolt - Priced Each - Install new hardware with your new parts. M6x16 - Genuine Volkswagen Audi - Audi Volkswagen

Install new hardware with your new parts. M6x16 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
466521
Mfg#:
N01474011
In Stock
5% off MSRP

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

$3.06

This product was last offered at the strikethrough price on
06-16-2026

$2.91 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Pan Assembly - With Oil Level Sensor Opening

ES#3188618 - 264-725 - Oil Pan Assembly - With Oil Level Sensor Opening - Replace your cracked or broken pan - Dorman - Audi

Replace your cracked or broken pan affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Dorman - Corporate Logo
ES#:
3188618
Mfg#:
264-725
Ships in 4 Business Days
$144.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Accessory Belt

ES#515507 - 06D903137E - Accessory Belt - Replaces your cracked or worn belt - Genuine Volkswagen Audi - Audi

Replaces your cracked or worn belt affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
From VIN 8E-4-191001, split is in the 2004 model year

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
515507
Mfg#:
06D903137E
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.

$78.99

This product was last offered at the strikethrough price on
06-16-2026

$71.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Water Pump

ES#2813007 - 06A121012 - Water Pump - Featuring a metal impeller - Hamburg Tech - Audi Volkswagen

Featuring a metal impeller 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#:
2813007
Mfg#:
06A121012
Ships in 1 Business Day
$47.99 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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