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Audi B9 A4 Quattro 2.0T Engine Parts & Accessories

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ES#2785314 - 06L115562KT8 - Liqui Moly Leichtlauf Oil Service Kit (5w-40) - Includes Hengst oil filter and Liqui Moly Leichtlauf High Tech 5w-40 oil - Assembled By ECS - Audi Volkswagen
ECS Tuning recommends this product.

Includes Hengst oil filter and Liqui Moly Leichtlauf High Tech 5w-40 oil affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
2785314
Mfg#:
06L115562KT8
In Stock
ON SALE!
$81.99

This product was last offered at the strikethrough price on
06-19-2026

$80.34 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement
ES#4699573 - 06L121111P - Thermostat/Water Pump Kit (Updated) - Advanced design with fewer moving parts and lower weight - without sacrificing cooling performance or warm-up temperature curve. Includes thermostat, water pump, union, and o-rings - Bremmen Parts - Audi Volkswagen Porsche
ECS Tuning recommends this product.

Advanced design with fewer moving parts and lower weight - without sacrificing cooling performance or warm-up temperature curve. Includes thermostat, water pump, union, and o-rings affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
4699573
Mfg#:
06L121111P
Ships in 9 Business Days
Auto Notify
ON SALE! SAVE 10%
$245.99

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

$221.39 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4686054 - 002540LCA04KT - ECS Performance Ignition Service Kit - Features ECS Upgraded Ignition Coils and Brisk Silver Racing ER12s plugs, ensuring a stronger and more consistent spark! - Assembled By ECS - Audi Volkswagen

Features ECS Upgraded Ignition Coils and Brisk Silver Racing ER12s plugs, ensuring a stronger and more consistent spark! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
4686054
Mfg#:
002540LCA04KT
In Stock
ON SALE! SAVE 13%
$235.99

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

$204.35 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3624235 - 06L121111J - Thermostat/Water Pump Kit - Includes thermostat, water pump, gasket, and belt! - Ina - Audi Volkswagen Porsche
ECS Tuning recommends this product.

Includes thermostat, water pump, gasket, and belt! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Ina - Corporate Logo
ES#:
3624235
Mfg#:
06L121111J
In Stock
$323.99

This product was last offered at the strikethrough price on
04-07-2026

$305.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4686051 - 002540LCA02KT - ECS Performance Ignition Coils - Red - Set Of Four - Designed to be a direct plug-and-play upgrade to factory coils, providing greater energy output, ensuring a stronger and more consistent spark! - ECS - Audi Volkswagen

Designed to be a direct plug-and-play upgrade to factory coils, providing greater energy output, ensuring a stronger and more consistent spark! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4686051
Mfg#:
002540LCA02KT
In Stock
ON SALE! SAVE 20%
$187.99

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

$150.37 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3439011 - 06L115562MGKT - Liqui Moly MolyGen - Oil Service Kit (5w-40) - Includes Hengst oil filter and Liqui Moly 5w-40 oil with MolyGen technology - Assembled By ECS - Audi Volkswagen

Includes Hengst oil filter and Liqui Moly 5w-40 oil with MolyGen technology affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
3439011
Mfg#:
06L115562MGKT
In Stock
ON SALE! SAVE 18%
$95.99

This product was last offered at the strikethrough price on
05-15-2026

$78.47 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement
ES#4030591 - ms100192KT - APR (MS100192) Upgraded Ignition Coils - Red - Set Of Four - Designed to be a direct plug-and-play upgrade to factory coils, providing greater energy output, ensuring a stronger and more consistent spark! - APR - Audi Volkswagen

Designed to be a direct plug-and-play upgrade to factory coils, providing greater energy output, ensuring a stronger and more consistent spark! Call In Or Chat For Best Price! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes!
CARB certified for sale in all 50 states

Brand:
APR - Corporate Logo
ES#:
4030591
Mfg#:
MS100192KT
EO#:
D-783-5
In Stock
$211.80 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4630153 - T9381 - DV+ Performance Diverter Valve - With Pierburg Valve - Features a low-profile integrated solenoid to make it shorter and more compact than even the factory diverter, ensuring it will fit the tightest applications. - Go Fast Bits - Audi Volkswagen Porsche

Features a low-profile integrated solenoid to make it shorter and more compact than even the factory diverter, ensuring it will fit the tightest applications. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles up through the 2020 year.

Brand:
Go Fast Bits - Corporate Logo
ES#:
4630153
Mfg#:
T9381
In Stock
10% off MSRP

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

$280.99

This product was last offered at the strikethrough price on
06-24-2026

$252.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4030590 - MS100192 - APR Upgraded Ignition Coil - Red - Priced Each  - Designed to be a direct plug-and-play upgrade to factory coils, providing greater energy output, ensuring a stronger and more consistent spark! - APR - Audi Volkswagen Porsche

Designed to be a direct plug-and-play upgrade to factory coils, providing greater energy output, ensuring a stronger and more consistent spark! Call In Or Chat For Best Price! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes!
CARB certified for sale in all 50 states

Brand:
APR - Corporate Logo
ES#:
4030590
Mfg#:
MS100192
EO#:
D-783-5
In Stock
12% off MSRP

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

$59.95

This product was last offered at the strikethrough price on
06-24-2026

$52.95 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3551291 - 025254ECS01-03 -  VW/Audi Atmospheric Diverter Valve Spacer - Red - Let your turbo blow off some air for an exhilarating driving experience! - ECS - Audi Volkswagen

Let your turbo blow off some air for an exhilarating driving experience! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Fits models with OEM DV part numbers 06H145710J, 06H145710C, 06H145710E. Please verify before ordering.

Brand:
ECS - Corporate Logo
ES#:
3551291
Mfg#:
025254ECS01-03
In Stock
ON SALE! SAVE 25%
$86.99

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

$65.24 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4845532 - T9481 - GFB VTA Blow Off Valve - Sharper throttle response, faster boost recovery - Go Fast Bits - Audi Volkswagen

Sharper throttle response, faster boost recovery affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Go Fast Bits - Corporate Logo
ES#:
4845532
Mfg#:
T9481
In Stock
$269.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4370261 - 034-202-6004 - Billet Aluminum Rear Main Seal - Permanent fix for that leaking rear main seal - 034Motorsport - Audi Volkswagen

Permanent fix for that leaking rear main seal affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
034Motorsport - Corporate Logo
ES#:
4370261
Mfg#:
034-202-6004
In Stock
$145.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4630028 - 002540LCA01 - ECS Gen 3 Red Performance Ignition Coil - Priced Each - Designed to be a direct plug-and-play upgrade to factory coils, providing greater energy output, ensuring a stronger and more consistent spark! - ECS - Audi Volkswagen

Designed to be a direct plug-and-play upgrade to factory coils, providing greater energy output, ensuring a stronger and more consistent spark! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4630028
Mfg#:
002540LCA01
In Stock
ON SALE! SAVE 20%
$46.99

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

$37.59 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3999162 - 019330ecs01KT - Turbo Muffler Delete Pipe - Replace the factory turbo muffler with a straight through billet aluminum delete pipe kit - ECS - Audi Volkswagen

Replace the factory turbo muffler with a straight through billet aluminum delete pipe kit affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

For vehicles up through the 2019 model year only.

Brand:
ECS - Corporate Logo
ES#:
3999162
Mfg#:
019330ECS01KT
In Stock
ON SALE! SAVE 25%
$140.99

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

$105.74 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4505840 - IETPCK1-BK - FDS Front-Mount Intercooler Kit - Black  - Increase horsepower and eliminate heatsoak - Drop-in intercooler requires no cutting, trimming, or mods! - Integrated Engineering - Audi

Increase horsepower and eliminate heatsoak - Drop-in intercooler requires no cutting, trimming, or mods! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Integrated Engineering - Corporate Logo
ES#:
4505840
Mfg#:
IETPCK1-BK
In Stock
$1034.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3551351 - 06l121111hKT1 - Thermostat / Water Pump Replacement Kit - Includes necessary parts to replace the thermostat. Includes upgraded Bremmen Parts water pump/thermostat. - Assembled By ECS - Audi Volkswagen

Includes necessary parts to replace the thermostat. Includes upgraded Bremmen Parts water pump/thermostat. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
3551351
Mfg#:
06L121111HKT1
Ships in 9 Business Days
Auto Notify
ON SALE! SAVE 19%
$298.99

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

$243.53 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial 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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