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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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Turbo Outlet Hose

ES#1832357 - FM225TH - Turbo Outlet Hose - Connects the turbo to the pressure pipe - Forge - Audi

Connects the turbo to the pressure pipe affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Forge - Corporate Logo
ES#:
1832357
Mfg#:
FM225TH
Back Ordered
$173.99 USD
Free Shipping
on orders $49 and up
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 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

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

Auxiliary Fan Control Unit

ES#2868696 - 1J0919506K - Auxiliary Fan Control Unit - 1 large 4 pin connector and 1 small 14 pin connector - Febi - Audi Volkswagen

1 large 4 pin connector and 1 small 14 pin connector affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!
From VIN 8N-Y-026001, split is in the 2000 model year

Brand:
Febi - Corporate Logo
ES#:
2868696
Mfg#:
1J0919506K
In Stock
$52.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

4-Pin Electrical Connector - WIth Wiring Pigtail

ES#4766172 - 1J0973724 - 4-Pin Electrical Connector - WIth Wiring Pigtail - Used in various locations on many vehicles. No more re-pinning connectors - connect to your existing wiring. - Bremmen Parts - Audi Volkswagen

Used in various locations on many vehicles. No more re-pinning connectors - connect to your existing wiring. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
4766172
Mfg#:
1J0973724
In Stock
ON SALE! SAVE 22%
$22.99

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

$17.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Adjustable Fuel Pressure Regulator

ES#4158836 - 034-106-5015 - Adjustable Fuel Pressure Regulator - Works as a replacement for most Bosch fuel pressure regulators. Adjustable from 3.3-5 BAR - 034Motorsport - Audi Volkswagen

Works as a replacement for most Bosch fuel pressure regulators. Adjustable from 3.3-5 BAR affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
034Motorsport - Corporate Logo
ES#:
4158836
Mfg#:
034-106-5015
In Stock
$129.00 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. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Zerex - Corporate Logo
ES#:
3420837
Mfg#:
00004330575
Back Ordered
$40.99

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

$29.99 USD
Free Shipping
on orders $49 and up

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! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
10X Entries For Our Spin To Win Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4899976
Mfg#:
045960LA01-01
In Stock
ON SALE! SAVE 20%
$20.99

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

$16.79 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Cat-Back Exhaust System - Resonated

ES#2827544 - SSXAU427 - Cat-Back Exhaust System - Resonated - 3" stainless steel with dual 100mm Titanium tips - Milltek Sport - Audi

3" stainless steel with dual 100mm Titanium tips affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Milltek Sport - Corporate Logo
ES#:
2827544
Mfg#:
SSXAU427
Ships in 3 Business Days
$1601.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Engine Oil Pump

ES#3624004 - 06A115105B - Engine Oil Pump - Keeps oil flowing through the engine - Genuine European Volkswagen Audi - Audi Volkswagen

Keeps oil flowing through the engine affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine European Volkswagen Audi - Corporate Logo
ES#:
3624004
Mfg#:
06A115105B
Ships in 2 Business Days
$399.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Maestro Tuning Suite - With Powertap Air Flash Tool

ES#3173699 - MAESTROme7.5KT - Maestro Tuning Suite - With Powertap Air Flash Tool - Ideal for shops and enthusiasts looking to recalibrate their vehicles for modified hardware - Eurodyne - Audi

Ideal for shops and enthusiasts looking to recalibrate their vehicles for modified hardware affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Fits AMU engine code models only

Brand:
Eurodyne - Corporate Logo
ES#:
3173699
Mfg#:
MAESTROME7.5KT
In Stock
$799.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

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 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

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
06-17-2026

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

Cast Aluminum Cooling System Upgrade Kit

ES#3086229 - 006368ecs01a1KT - Cast Aluminum Cooling System Upgrade Kit - Replace the failure prone components in your cooling system with cast aluminum - Assembled By ECS - Audi Volkswagen

Replace the failure prone components in your cooling system with cast aluminum affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
For vehicles without opening for thermal switch with engine code AMU

Brand:
Assembled By ECS - Corporate Logo
ES#:
3086229
Mfg#:
006368ECS01A1KT
Back Ordered
Auto Notify
ON SALE! SAVE 24%
$231.99

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

$176.98 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

034Motorsport High Flow Intake Manifold - Silver

ES#4418635 - 034-18T-MANI - 034Motorsport High Flow Intake Manifold - Silver - Direct bolt-in replacement for the stock intake manifold, and features a modular design, with a rotatable plenum that allows for driver side or passenger side throttle body locations. - 034Motorsport - Audi Volkswagen

Direct bolt-in replacement for the stock intake manifold, and features a modular design, with a rotatable plenum that allows for driver side or passenger side throttle body locations. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For transverse 1.8T with small port only

Brand:
034Motorsport - Corporate Logo
ES#:
4418635
Mfg#:
034-18T-MANI
Back Ordered
$792.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Baffled Aluminum Oil Pan

ES#3553343 - 462-103-06A - Baffled Aluminum Oil Pan - A true baffled oil pan for those with performance in mind! - iABED Industries - Audi Volkswagen

A true baffled oil pan for those with performance in mind! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
iABED Industries - Corporate Logo
ES#:
3553343
Mfg#:
462-103-06A
Back Ordered
$789.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Platinum Spark Plugs - Set Of Four

ES#868 - PFR7B4CYL - Platinum Spark Plugs - Set Of Four - Platinum cored plugs featuring a cooler heat range ideal for chip tuned vehicles - NGK - Audi Volkswagen

Platinum cored plugs featuring a cooler heat range ideal for chip tuned vehicles affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
NGK - Corporate Logo
ES#:
868
Mfg#:
PFR7B4CYL
In Stock
$73.99

This product was last offered at the strikethrough price on
06-01-2026

$51.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oxygen Sensor - Priced Each

ES#11898 - 16978 - Oxygen Sensor - Priced Each - Keep your engine running efficiently - Bosch - Audi

Keep your engine running efficiently affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!
Fits the rear position up to VIN 8N-1-010100, split is in the 2001 model year

Brand:
Bosch - Corporate Logo
ES#:
11898
Mfg#:
16978
In Stock at Vendor
$128.99

This product was last offered at the strikethrough price on
05-19-2026

$110.99 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.

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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