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Audi B6 A4 Quattro 1.8T

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Audi B6 A4 Quattro 1.8T Engine Parts & Accessories

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Cooling Flange Replacement Kit

ES#2602901 - 06B121132EKT1 - Cooling Flange Replacement Kit - Cure the common coolant leak coming from the back of your engine compartment - Assembled By ECS - Audi

Cure the common coolant leak coming from the back of your engine compartment 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#:
2602901
Mfg#:
06B121132EKT1
In Stock
ON SALE! SAVE 25%
$64.99

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

$49.06 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Heater Core

ES#4871985 - 8E1820031 - Heater Core - Stop coolant leaks, restore heater operation, and cure a fogged windshield! - Bremmen Parts - Audi

Stop coolant leaks, restore heater operation, and cure a fogged windshield! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
4871985
Mfg#:
8E1820031
In Stock
ON SALE! SAVE 21%
$65.99

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

$52.22 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Timing Belt Damper

ES#1306806 - 06B109477A - Timing Belt Damper - Applies pressure to the tensioning roller - NTN - Audi Volkswagen

Applies pressure to the tensioning roller affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
NTN - Corporate Logo
ES#:
1306806
Mfg#:
06B109477A
Ships in 3 Business Days
$75.39 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Hemi Throttle Body - 80mm

ES#3957096 - 53032801AC - Hemi Throttle Body - 80mm - Direct plug and play - Mopar - Audi Volkswagen

Direct plug and play affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Requires Hemi adapter or Intake Manifold for 80mm throttle body

Brand:
Mopar - Corporate Logo
ES#:
3957096
Mfg#:
53032801AC
Ships in 4 Business Days
$449.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Turbosmart Gen-V Race Port BOV - Black

ES#4007248 - TS-0204-1132 - Turbosmart Gen-V Race Port BOV - Black - The Race Port is famous for being an amazingly small and light BOV for turbocharged competition level engines - TurboSmart - Audi Volkswagen

The Race Port is famous for being an amazingly small and light BOV for turbocharged competition level engines affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
*General use blow off valve for custom big turbo applications - Not a direct fit valve*

Brand:
TurboSmart - Corporate Logo
ES#:
4007248
Mfg#:
TS-0204-1132
In Stock at Vendor
$335.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Radiator Hose - Upper

ES#4151834 - 8E0121101R - Radiator Hose - Upper - Connects the upper radiator port to the expansion tank and hard water pipe - Rein - Audi

Connects the upper radiator port to the expansion tank and hard water pipe affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
4151834
Mfg#:
8E0121101R
Ships in 3 Business Days
$31.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

A/C Pressure Safety Switch

ES#4045558 - 3R0959126 - A/C Pressure Safety Switch - Prevents excess pressure from building within the system - Mahle - Audi

Prevents excess pressure from building within the system affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Mahle - Corporate Logo
ES#:
4045558
Mfg#:
3R0959126
In Stock at Vendor
$108.87

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

$102.73 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Turbocharger Gasket

ES#2526 - 06A253039E - Turbocharger Gasket - Seals the turbocharger to the exhaust manifold - Elring - Audi Volkswagen

Seals the turbocharger to the exhaust manifold affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Elring - Corporate Logo
ES#:
2526
Mfg#:
06A253039E
In Stock
$6.11 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Level Sensor O-Ring

ES#3706755 - 038103196 - Oil Level Sensor O-Ring - Seals oil level sensor to the oil pan - Elring - Audi Volkswagen Porsche

Seals oil level sensor to the oil pan affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Elring - Corporate Logo
ES#:
3706755
Mfg#:
038103196
In Stock
$8.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Billet Aluminum Rear Main Seal Upgrade - With Installation Tool & Sealant

ES#4069853 - 462-103-171AKT - Billet Aluminum Rear Main Seal Upgrade - With Installation Tool & Sealant - Permanent fix for that leaking rear main seal. Includes recommended installation tool and Dirko sealant to complete the job. - Assembled By ECS - Audi Volkswagen

Permanent fix for that leaking rear main seal. Includes recommended installation tool and Dirko sealant to complete the job. 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#:
4069853
Mfg#:
462-103-171AKT
Back Ordered
Auto Notify
$132.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial 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 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#:
2817105
Mfg#:
2332KT1
In Stock
ON SALE!
$70.99

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

$69.69 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

Coil Pack Hold Down Kit - Black

ES#260956 - ECS42725KT-A - Coil Pack Hold Down Kit - Black - A creative & attractive solution for your coil pack "popping" problem - ECS - Audi Volkswagen

A creative & attractive solution for your coil pack "popping" problem affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
260956
Mfg#:
ECS42725KT-A
Ships on Jul 14, 2026
Auto Notify
ON SALE! SAVE 10%
$121.99

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

$109.79 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Forged Rifle Drilled H-Beam Connecting Rods

ES#2794960 - IERHVA2RD - Forged Rifle Drilled H-Beam Connecting Rods - Set of 4, rifle drilled - Integrated Engineering - Audi Volkswagen

Set of 4, rifle drilled affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes!

Drop-In rods for use with OEM pistons, or pistons with 19mm wrist pin

Brand:
Integrated Engineering - Corporate Logo
ES#:
2794960
Mfg#:
IERHVA2RD
Ships in 4 Business Days
$657.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Cat-Back Exhaust System

ES#3175528 - 252576T - Cat-Back Exhaust System - 2.5" T-304 Stainless Steel exhaust system with Borla mufflers - Techtonics Tuning - Audi

2.5" T-304 Stainless Steel exhaust system with Borla mufflers affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For use with aftermarket 2.5" downpipe

Brand:
Techtonics Tuning - Corporate Logo
ES#:
3175528
Mfg#:
252576T
Ships on Jul 2, 2026
$1314.50 USD
This product is lifetime replacement eligible Lifetime Replacement

Vacuum Pipe With Check Valve

ES#3143338 - 8E0611931FQ - Vacuum Pipe With Check Valve - Connects to the brake booster pipe where it meets the bulkhead - Vaico - Audi

Connects to the brake booster pipe where it meets the bulkhead affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Vaico - Corporate Logo
ES#:
3143338
Mfg#:
8E0611931FQ
Ships in 4 Business Days
$145.76 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Air Temperature Sensor

ES#250197 - 06B905379D - Air Temperature Sensor - Mounted on the intake manifold - Vemo - Audi Volkswagen

Mounted on the intake manifold affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Vemo - Corporate Logo
ES#:
250197
Mfg#:
06B905379D
In Stock at Vendor
$40.99 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.

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