Shop Our Clearance Sale - Up To 80% Off FREE SHIPPING on Orders $49+ *exclusions apply

Menu

Call Us330-331-2003 ChatLive Chat Text Us!
0 Shopping Cart
Your Vehicle Clear

Audi B6 A4 Quattro 1.8T

    • Audi
    • BMW
    • Mercedes Benz
    • MINI
    • Porsche
    • Volkswagen

Saved Vehicles

My Vehicles
You currently have no stored vehicles.

Recent Vehicles

Recent Vehicles Manage Vehicles

You currently have no recent vehicles.

We'll automatically keep fully selected vehicles here for your convenience.

Call Us330-331-2003 ChatLive Chat Text Us!
Track My Order View Order History Submit a Return Contact Us Wholesale Information Lifetime Replacement Returns and Warranty Information
0
Call Us330-331-2003 ChatLive Chat Text Us!
Track My Order View Order History Submit a Return Contact Us Wholesale Information Lifetime Replacement Returns and Warranty Information
Cancel
0
Sales & Specials
Enter Your Vehicle
garage-red
Your Vehicle Audi B6 A4 Quattro 1.8T
Your Vehicle Audi B6 A4 Quattro 1.8T
Change Clear

Audi B6 A4 Quattro 1.8T Engine Parts & Accessories

Sort By
Filter By
Return to Top

Accessory Belt Kit

ES#2588248 - 06B903133EKT2 - Accessory Belt Kit - Composed of genuine Audi belt, tensioner, & hardware to keep your belt where it should be! - Assembled By ECS - Audi

Composed of genuine Audi belt, tensioner, & hardware to keep your belt where it should be! 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#:
2588248
Mfg#:
06B903133EKT2
In Stock
ON SALE!
$224.99

This product was last offered at the strikethrough price on
07-09-2026

$221.38 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Smooth Expansion Tank & Washer Fluid Reservoir Cap Set - Black

ES#3509361 - 009635ECS05KT - Smooth Expansion Tank & Washer Fluid Reservoir Cap Set - Black - Dress up your engine bay with black expansion tank and washer reservoir caps to replace the old blue ones - Assembled By ECS - Audi Volkswagen

Dress up your engine bay with black expansion tank and washer reservoir caps to replace the old blue ones 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
3509361
Mfg#:
009635ECS05KT
In Stock
ON SALE!
$60.99

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

$55.32 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

Turbo Cooling Hose Kit - Feed Line

ES#3176241 - 06b121497fKT - Turbo Cooling Hose Kit - Feed Line - Connects turbocharger to the connection flange - includes banjo bolts & washers - Assembled By ECS - Audi

Connects turbocharger to the connection flange - includes banjo bolts & washers 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
3176241
Mfg#:
06B121497FKT
In Stock
ON SALE! SAVE 23%
$143.99

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

$110.47 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Intake Manifold Installation Kit

ES#2769992 - 058129717dKT - Intake Manifold Installation Kit - Everything you need to remove and re-install your intake manifold - Genuine Volkswagen Audi - Audi

Everything you need to remove and re-install your intake manifold Up to the 2003 model year

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2769992
Mfg#:
058129717DKT
Ships on Nov 5, 2026
$223.99

This product was last offered at the strikethrough price on
02-24-2026

$219.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Fuel Supply Hose

ES#4818653 - 4F0201218E - Fuel Supply Hose - Connects the fuel filter to fuel line - Bremmen Parts - Audi

Connects the fuel filter to fuel line 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
4818653
Mfg#:
4F0201218E
Ships on Aug 21, 2026
Auto Notify
$43.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Engine Oil Dipstick Funnel

ES#279972 - 06B103663G - Engine Oil Dipstick Funnel - Seals the dipstick and keeps debris out - Genuine Volkswagen Audi - Audi Volkswagen

Seals the dipstick and keeps debris out

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
279972
Mfg#:
06B103663G
Ships in 1 day
8% off MSRP

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

$23.99

This product was last offered at the strikethrough price on
07-27-2026

$21.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Blow Off Valve - Atmospheric

ES#1832445 - FMDVWO34C - Blow Off Valve - Atmospheric - 34mm weld on dual piston atmospheric blow off valve for custom installs - Forge - Audi Volkswagen

34mm weld on dual piston atmospheric blow off valve for custom installs

Brand:
Forge - Corporate Logo
ES#:
1832445
Mfg#:
FMDVWO34C
Back Ordered
$216.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Washer - Priced Each

ES#470401 - N90646702 - Washer - Priced Each - Install new hardware with your new parts. 8.4x29x1.6 - Genuine Volkswagen Audi - Audi Volkswagen

Install new hardware with your new parts. 8.4x29x1.6 Used in securing the engine mounts to the upper brackets

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
470401
Mfg#:
N90646702
In Stock
$4.17 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Intake Valve - Priced Each

ES#2802004 - 058109601C - Intake Valve - Priced Each - Keep your engine running strong - Rein - Audi Volkswagen

Keep your engine running strong 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
2802004
Mfg#:
058109601C
Back Ordered
$17.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Cooler Nut

ES#257106 - 068115723 - Oil Cooler Nut - Secures the oil cooler onto the oil filter fitting - Genuine Volkswagen Audi - Audi Volkswagen

Secures the oil cooler onto the oil filter fitting

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
257106
Mfg#:
068115723
In Stock
$8.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Spring Band Clamp - Priced Each

ES#2801336 - N90687201 - Spring Band Clamp - Priced Each - Ensure a leak free installation. 40x12 - Rein - Audi Volkswagen

Ensure a leak free installation. 40x12 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
2801336
Mfg#:
N90687201
In Stock at Vendor
$8.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Drain Plug

ES#4034813 - N90813202 - Oil Drain Plug - Includes crush washer. M14x1.5 - Elring - Audi Volkswagen

Includes crush washer. M14x1.5 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Elring - Corporate Logo
ES#:
4034813
Mfg#:
N90813202
Ships in 1-3 days
$4.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Supply Pipe

ES#280015 - 06B121070H - Coolant Supply Pipe - Located along top of the intake manifold - Genuine Volkswagen Audi - Audi

Located along top of the intake manifold

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
280015
Mfg#:
06B121070H
Ships in 3 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.

$232.99

This product was last offered at the strikethrough price on
07-27-2026

$212.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Starter

ES#2894862 - 06B911023A - Starter - Keep your car running like new! - Vemo - Audi Volkswagen

Keep your car running like new! From VIN 8E-5-040001, split is in the 2005 model year

Brand:
Vemo - Corporate Logo
ES#:
2894862
Mfg#:
06B911023A
Special Order: No Guaranteed ETA
$212.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

034Motorsport High-Capacity Billet Fuel Rail

ES#3427276 - 034-106-7008 - 034Motorsport High-Capacity Billet Fuel Rail - CNC machined in-house from billet aluminum - includes -6 AN fittings and mounting hardware - 034Motorsport - Audi Volkswagen

CNC machined in-house from billet aluminum - includes -6 AN fittings and mounting hardware

Brand:
034Motorsport - Corporate Logo
ES#:
3427276
Mfg#:
034-106-7008
Ships in 2 Business Days
$211.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Replacement Downpipe

Replacement downpipe for ES2827276

Brand:
Milltek Sport - Corporate Logo
ES#:
3988119
Mfg#:
MSAU257
Ships in 3 Business Days
$209.99 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.

Terms of Use Privacy Policy ECS Tuning is part of Enthusiast Auto Holdings