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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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Coolant Expansion Tank Cap

ES#3485290 - 2Q0121321A - Coolant Expansion Tank Cap - Keep proper pressure in your coolant system - Genuine Volkswagen Audi - Audi Volkswagen Porsche

Keep proper pressure in your coolant system

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3485290
Mfg#:
2Q0121321A
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.

$42.99

This product was last offered at the strikethrough price on
08-03-2026

$41.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Valve Control Solenoid (N249)

ES#248500 - 078906283A - Valve Control Solenoid (N249) - Valve used to control combi valve operation - Pierburg - Audi Volkswagen

Valve used to control combi valve operation

Brand:
Pierburg - Corporate Logo
ES#:
248500
Mfg#:
078906283A
In Stock
$96.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Premium Oil Service Kit

ES#2817105 - 2332KT1 - Premium Oil Service Kit - Includes large Mann oil filter and Liqui-Moly High Tech 5w-40 oil - Assembled By ECS - Audi

Includes large Mann oil filter and Liqui-Moly High Tech 5w-40 oil 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
2817105
Mfg#:
2332KT1
In Stock
$84.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

Cylinder Head Gasket Set

ES#1751 - 058198012 - Cylinder Head Gasket Set - Includes most major cylinder head gaskets and seals - Victor Reinz - Audi Volkswagen

Includes most major cylinder head gaskets and seals

Brand:
Victor Reinz - Corporate Logo
ES#:
1751
Mfg#:
058198012
In Stock
$87.44

This product was last offered at the strikethrough price on
07-17-2026

$84.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Turbocharger

ES#2831182 - 06A145704QX - Turbocharger - Stock/OE replacement turbocharger, hardware not included - BorgWarner - Audi

Stock/OE replacement turbocharger, hardware not included Fits BEA engine code, for model years 2003-2006

Brand:
BorgWarner - Corporate Logo
ES#:
2831182
Mfg#:
06A145704QX
Back Ordered
$1526.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Level Sensor

ES#2618895 - 1J0907660B - Oil Level Sensor - Mounted on the bottom of the oil pan - Hella - Audi Volkswagen

Mounted on the bottom of the oil pan Fits up to VIN 8N-2-017 958 - Split is in the 2002 model year

Brand:
Hella - Corporate Logo
ES#:
2618895
Mfg#:
1J0907660B
Ships in 5 Business Days
$153.58

This product was last offered at the strikethrough price on
06-18-2026

$79.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Racing Thermostat (82C)

ES#3184176 - MMTS-GTI-99 - Racing Thermostat (82C) - Prevent overheating and premature engine wear with a lower opening temperature - Mishimoto - Audi Volkswagen

Prevent overheating and premature engine wear with a lower opening temperature

Brand:
Mishimoto - Corporate Logo
ES#:
3184176
Mfg#:
MMTS-GTI-99
In Stock
$68.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Heater Core

ES#3489801 - 1J1819031B - Heater Core - Stop coolant loss and cure a fogged windshield - Febi - Audi Volkswagen

Stop coolant loss and cure a fogged windshield 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Febi - Corporate Logo
ES#:
3489801
Mfg#:
1J1819031B
In Stock
$75.99

This product was last offered at the strikethrough price on
04-17-2026

$55.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Intake Valve - Priced Each

ES#277591 - 058109601C - Intake Valve - Priced Each - Keep your engine running strong - Genuine Volkswagen Audi - Audi Volkswagen

Keep your engine running strong

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
277591
Mfg#:
058109601C
Ships in 7 Business Days
7% off MSRP

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

$113.99

This product was last offered at the strikethrough price on
02-04-2026

$105.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Turbo Inlet Hose - Black

ES#1832354 - FM225IND - Turbo Inlet Hose - Black - Direct "Bolt-in", prevents collapse of intake hose under hard acceleration - Forge - Audi

Direct "Bolt-in", prevents collapse of intake hose under hard acceleration Fits up to the 2002 model year for vehicles with ESP

Brand:
Forge - Corporate Logo
ES#:
1832354
Mfg#:
FM225IND
Ships in 9 Business Days
Auto Notify
$184.99 USD
Free Shipping
on orders $49 and up

Oil Level Sensor O-Ring

ES#274942 - 038103196 - Oil Level Sensor O-Ring - Seals oil level sensor to the oil pan - Genuine Volkswagen Audi - Audi Volkswagen

Seals oil level sensor to the oil pan

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
274942
Mfg#:
038103196
In Stock
27% off MSRP

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

$14.95

This product was last offered at the strikethrough price on
02-23-2026

$10.95 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Secondary Air Injection Pump

ES#1844013 - 078906601M - Secondary Air Injection Pump - Keep your engine running efficiently - Pierburg - Audi Volkswagen

Keep your engine running efficiently

Brand:
Pierburg - Corporate Logo
ES#:
1844013
Mfg#:
078906601M
In Stock at Vendor
$713.99

This product was last offered at the strikethrough price on
02-21-2026

$484.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Fuel Filter - Priced Each

ES#205319 - 1J0201511A - Fuel Filter - Priced Each - Located underneath your vehicle near the fuel tank - OE# 1J0201511A - Bosch - Audi Volkswagen

Located underneath your vehicle near the fuel tank - OE# 1J0201511A 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Bosch - Corporate Logo
ES#:
205319
Mfg#:
1J0201511A
In Stock
$14.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Hex Bolt - Priced Each

ES#469210 - N90130001 - Hex Bolt - Priced Each - Commonly used as main bearing bolts. M10x80 - Genuine Volkswagen Audi - Audi Volkswagen

Commonly used as main bearing bolts. M10x80

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
469210
Mfg#:
N90130001
In Stock
$9.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Turbocharger Installation Kit

ES#6004 - 06a198001 - Turbocharger Installation Kit - Includes required hardware and gaskets needed to install an OE replacement turbocharger - Assembled By ECS - Audi

Includes required hardware and gaskets needed to install an OE replacement turbocharger 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
6004
Mfg#:
06A198001
Ships in 3 Business Days
ON SALE! SAVE 11%
$124.99

This product was last offered at the strikethrough price on
07-08-2026

$111.31 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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