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Audi B6 A4 Quattro 1.8T Engine Parts & Accessories

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ES#4735199 - R81.5-GNH8150 - 81.50mm Piston Ring Kit - Priced Per Cylinder - Set of rings for one piston in 81.50mm size,  For Supertech pistons only. - Supertech - Audi Volkswagen

Set of rings for one piston in 81.50mm size, For Supertech pistons only.

Brand:
Supertech - Corporate Logo
ES#:
4735199
Mfg#:
R81.5-GNH8150
In Stock
Limited Qty Sale
$27.99

This product was last offered at the strikethrough price on
11-07-2026

$24.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2909 - 058121471B - Turbo Coolant Hose - Return - Connects the turbocharger to the hard water pipe - Continental - Audi Volkswagen

Connects the turbocharger to the hard water pipe We Price Match - Give Us A Call or Chat!

Brand:
Continental - Corporate Logo
ES#:
2909
Mfg#:
058121471B
In Stock
$11.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4940085 - 058109309F - Intake Cam Follower - Priced Each - Replace your worn down followers - Bremmen Parts - Audi Volkswagen

Replace your worn down followers 10X Entries Into Our F80 M3 Sweepstakes 10X Entries For Our Spin To Win Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
4940085
Mfg#:
058109309F
In Stock
ON SALE! SAVE 10%
$10.99

This product was last offered at the strikethrough price on
11-07-2026

$9.89 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#470928 - N90836002 - Valve Cover Stud - Priced Each - Used in securing the valve cover to the cylinder head. M6x45 - Genuine Volkswagen Audi - Audi Volkswagen

Used in securing the valve cover to the cylinder head. M6x45

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
470928
Mfg#:
N90836002
In Stock
3% off MSRP

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

$4.86

This product was last offered at the strikethrough price on
11-10-2026

$4.71 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4818501 - 071957147 - Crankshaft Position Sensor - Also known as the RPM or speed sensor - Bremmen Parts - Audi Volkswagen

Also known as the RPM or speed sensor 10X Entries Into Our F80 M3 Sweepstakes 10X Entries For Our Spin To Win Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
4818501
Mfg#:
071957147
In Stock
ON SALE! SAVE 30%
$45.99

This product was last offered at the strikethrough price on
11-07-2026

$32.19 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#1596862 - 058103383q - Cylinder Head Gasket - Stop leaks and restore engine power - Victor Reinz - Audi Volkswagen

Stop leaks and restore engine power

Brand:
Victor Reinz - Corporate Logo
ES#:
1596862
Mfg#:
058103383Q
Ships in 1 Business Day
$41.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#1884293 - 06A115561B - Oil Filter - Pack Of 10 - Stock up for future maintenance - Genuine Volkswagen Audi - Audi Volkswagen

Stock up for future maintenance

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
1884293
Mfg#:
06A115561B
Ships in 1 day
$146.50 USD
Free Shipping
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 10X Entries Into Our F80 M3 Sweepstakes 10X Entries For Our Spin To Win Sweepstakes!
Up to VIN 8E-4-191000, split is in the 2004 model year

Brand:
Assembled By ECS - Corporate Logo
ES#:
2569777
Mfg#:
B6A4UTBKEV1
In Stock
$314.99

This product was last offered at the strikethrough price on
09-10-2026

$291.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2120863 - 070903803E - Voltage Regulator - Located on the rear of the alternator - Genuine Volkswagen Audi - Audi Volkswagen

Located on the rear of the alternator

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2120863
Mfg#:
070903803E
Ships in 6 Business Days
13% off MSRP

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

$333.99

This product was last offered at the strikethrough price on
08-31-2026

$291.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#279997 - 06B109243E -  Timing Belt Tensioning Roller - Applies the pressure from the damper to the timing belt - Genuine Volkswagen Audi - Audi Volkswagen

Applies the pressure from the damper to the timing belt

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
279997
Mfg#:
06B109243E
Ships in 1 day
12% off MSRP

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

$164.99

This product was last offered at the strikethrough price on
10-05-2026

$144.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#258900 - 8E1820031 - Heater Core - Stop coolant loss and cure a fogged windshield - Genuine Volkswagen Audi - Audi

Stop coolant loss and cure a fogged windshield

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
258900
Mfg#:
8E1820031
Ships in 4 Business Days
$288.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#438230 - 8E0825265C - shouldered Plastic Nut - Priced Each - Install new hardware with your new parts. - Genuine Volkswagen Audi - Audi

Install new hardware with your new parts. Used to secure the plastic underbody linings to the vehicle

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
438230
Mfg#:
8E0825265C
In Stock
25% off MSRP

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

$3.99

This product was last offered at the strikethrough price on
11-10-2026

$2.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2588267 - 06B903133EKT3 - Accessory Belt Kit - Consisting of genuine Audi parts to keep your accessories running the way they were intended. - Genuine Volkswagen Audi - Audi

Consisting of genuine Audi parts to keep your accessories running the way they were intended. From VIN 8E-4-191001 - split is in the 2004 model year

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2588267
Mfg#:
06B903133EKT3
Ships in 4 Business Days
$286.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3175268 - 251125R - Performance Stainless 2.5" Downpipe  - High flow, stainless downpipe kit to be used with factory exhaust - Techtonics Tuning - Audi

High flow, stainless downpipe kit to be used with factory exhaust Fits quattro 5-speed transmission models only - To be used with factory exhaust

Brand:
Techtonics Tuning - Corporate Logo
ES#:
3175268
Mfg#:
251125R
Ships on Dec 3, 2026
$286.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3175279 - 251130R - Performance Stainless 2.5" Downpipe  - High flow, stainless downpipe kit to be used with factory exhaust - Techtonics Tuning - Audi

High flow, stainless downpipe kit to be used with factory exhaust Fits quattro 6-speed transmission models only - To be used with factory exhaust

Brand:
Techtonics Tuning - Corporate Logo
ES#:
3175279
Mfg#:
251130R
Ships on Dec 3, 2026
$286.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3175266 - 251124R - Performance Stainless 2.5" Downpipe  - High flow, stainless downpipe kit to be used with factory exhaust - Techtonics Tuning - Audi

High flow, stainless downpipe kit to be used with factory exhaust Fits automatic transmission models only - To be used with factory exhaust system

Brand:
Techtonics Tuning - Corporate Logo
ES#:
3175266
Mfg#:
251124R
Ships on Dec 3, 2026
$286.00 USD
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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