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Audi TT MKI Quattro 225HP

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Audi TT MKI Quattro 225HP Engine Parts & Accessories

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CTS Coolant Tank Cap

ES#4620720 - CTS-ACC-009 - CTS Coolant Tank Cap - Lose the plastic! - CTS - Audi Volkswagen

Lose the plastic!

Brand:
CTS - Corporate Logo
ES#:
4620720
Mfg#:
CTS-ACC-009
Ships on Oct 14, 2026
$69.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

G12++ / G40 Coolant Concentrate - 1 Gallon (3.78 Liters)

ES#3420837 - 00004330575 - G12++ / G40 Coolant Concentrate - 1 Gallon (3.78 Liters) - Pink ZEREX G-40 formula, comes in a concentrate, requires dilution with distilled water. - Zerex - Audi Volkswagen Mercedes Benz Porsche

Pink ZEREX G-40 formula, comes in a concentrate, requires dilution with distilled water.

Brand:
Zerex - Corporate Logo
ES#:
3420837
Mfg#:
00004330575
Ships in 1 Business Day
$40.67

This product was last offered at the strikethrough price on
03-29-2026

$29.99 USD
Free Shipping
on orders $49 and up

Mass Air Flow Sensor (MAF) - New

ES#2808794 - 06A906461M - Mass Air Flow Sensor (MAF) - New - Improve your fuel economy and restore performance with a new MAF - Bosch - Audi

Improve your fuel economy and restore performance with a new MAF We Price Match - Give Us A Call or Chat!
BEA engine code only

Brand:
Bosch - Corporate Logo
ES#:
2808794
Mfg#:
06A906461M
In Stock
$153.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

SXV T9302 Recirculating Bypass Valve

ES#4907811 - T9302 - SXV T9302 Recirculating Bypass Valve - Direct-fit performance solution for the weak factory diverter valve - Go Fast Bits - Audi Volkswagen Porsche

Direct-fit performance solution for the weak factory diverter valve

Brand:
Go Fast Bits - Corporate Logo
ES#:
4907811
Mfg#:
T9302
In Stock
$178.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

008 Premium Diverter Valve - Anodized Black

ES#2224448 - FMDV008 - 008 Premium Diverter Valve - Anodized Black - Smaller, tougher and tuneable - Forge - Audi Volkswagen Porsche

Smaller, tougher and tuneable

Brand:
Forge - Corporate Logo
ES#:
2224448
Mfg#:
FMDV008
Back Ordered
ON SALE! SAVE 10%
$264.99

This product was last offered at the strikethrough price on
09-18-2026

$238.48 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Waste Gate Frequency Control N75 Valve

ES#2826334 - 06A906283EKT - Waste Gate Frequency Control N75 Valve - Get your turbo back in action with a new N75 valve - Includes clamps - Assembled By ECS - Audi

Get your turbo back in action with a new N75 valve - Includes clamps 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
2826334
Mfg#:
06A906283EKT
In Stock
ON SALE! SAVE 24%
$93.99

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

$71.48 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

1.8T Performance Ignition Service Kit

ES#5338584 - 056059LA094ISKT - 1.8T Performance Ignition Service Kit - Featuring ECS Performance Ignition Coils & OEM NGK platinum-core spark plugs for increased spark energy! - ECS - Audi Volkswagen

Featuring ECS Performance Ignition Coils & OEM NGK platinum-core spark plugs for increased spark energy! 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
5338584
Mfg#:
056059LA094ISKT
In Stock
ON SALE! SAVE 20%
$220.99

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

$176.33 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Vacuum Hose

ES#3220598 - 06A133789 - Vacuum Hose - With check valve, located under the intake manifold - Kayser - Audi

With check valve, located under the intake manifold AMU engine code only

Brand:
Kayser - Corporate Logo
ES#:
3220598
Mfg#:
06A133789
In Stock
$115.92 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Dogbone Mount Bushing Kit (Red) - With Installation Hardware

ES#3557782 - MK4DMK-BOLTKITKT - Dogbone Mount Bushing Kit (Red) - With Installation Hardware - Three bushing kit with hardware to reduce wheel hop - ECS - Audi Volkswagen

Three bushing kit with hardware to reduce wheel hop 10X Entries Into Our F80 M3 Sweepstakes
For use with OEM dogbone mount only

Brand:
ECS - Corporate Logo
ES#:
3557782
Mfg#:
MK4DMK-BOLTKITKT
In Stock
ON SALE! SAVE 20%
$83.99

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

$67.19 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat (87°C)

ES#4766153 - 050121113C - Thermostat (87C) - Prevent overheating and premature engine wear. Includes O-ring - Bremmen Parts - Audi Volkswagen

Prevent overheating and premature engine wear. Includes O-ring 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Bremmen Parts - Corporate Logo
ES#:
4766153
Mfg#:
050121113C
Ships in 10 Business Days
ON SALE! SAVE 11%
$17.99

This product was last offered at the strikethrough price on
09-14-2026

$15.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Primary Fan Assembly - 345MM

ES#2748163 - 1J0959455S - Primary Fan Assembly - 345MM - Main fan responsible for pulling air through your radiator. - URO - Audi Volkswagen

Main fan responsible for pulling air through your radiator. 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
2748163
Mfg#:
1J0959455S
In Stock
$93.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Exhaust Valve Stem Seal - Priced Each

ES#2794525 - IEVTUU4 - Exhaust Valve Stem Seal - Priced Each - For use with 6mm exhaust valves only - Integrated Engineering - Audi Volkswagen

For use with 6mm exhaust valves only Buy Integrated Engineering Software from 9/3/26 - 9/30/26 for a chance to win your Software for FREE!

Brand:
Integrated Engineering - Corporate Logo
ES#:
2794525
Mfg#:
IEVTUU4
Ships in 4 Business Days
$2.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Level Sensor

ES#2708811 - 1J0907660B - Oil Level Sensor - Mounted on the bottom of the oil pan - URO - Audi Volkswagen

Mounted on the bottom of the oil pan 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!
Fits up to VIN 8N-2-017 958 - Split is in the 2002 model year

Brand:
URO - Corporate Logo
ES#:
2708811
Mfg#:
1J0907660B
In Stock
$34.65 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Billet Aluminum 1.8T Fuel Injector Cup - Priced Each

ES#4899976 - 045960LA01-01 - Billet Aluminum 1.8T Fuel Injector Cup - Priced Each - Upgrade to heavy-duty billet aluminum construction for maximum durability! - ECS - Audi Volkswagen

Upgrade to heavy-duty billet aluminum construction for maximum durability! 10X Entries Into Our F80 M3 Sweepstakes
10X Entries For Our Spin To Win Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4899976
Mfg#:
045960LA01-01
In Stock
ON SALE! SAVE 16%
$20.99

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

$17.59 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

008 Premium Diverter Valve - 3 Way adjustable Vacuum Port - Alloy

ES#3619942 - FMDV008PA-S - 008 Premium Diverter Valve - 3 Way adjustable Vacuum Port - Alloy - Smaller, tougher and tuneable - Now with 3-way adjustable, 90-degree vacuum port - Forge - Audi Volkswagen Porsche

Smaller, tougher and tuneable - Now with 3-way adjustable, 90-degree vacuum port

Brand:
Forge - Corporate Logo
ES#:
3619942
Mfg#:
FMDV008PA-S
In Stock
ON SALE! SAVE 10%
$204.99

This product was last offered at the strikethrough price on
09-18-2026

$184.49 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

MAP Sensor

ES#12011 - 038906051 - MAP Sensor - Measures pressure in the intake system (large design MAP sensor) - Bosch - Audi Volkswagen

Measures pressure in the intake system (large design MAP sensor) We Price Match - Give Us A Call or Chat!
Fits up to VIN 8N-1-031 000 - Split is in the 2001 model year

Brand:
Bosch - Corporate Logo
ES#:
12011
Mfg#:
038906051
In Stock
$89.87

This product was last offered at the strikethrough price on
05-26-2026

$77.99 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.

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