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Audi A4 Engine Parts & Accessories

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Water Pump Union - With Seals

ES#1884567 - 06H121131C - Water Pump Union - With Seals - Connection point between the oil cooler and the water pump assembly - Includes o-rings - Genuine Volkswagen Audi - Audi Volkswagen

Connection point between the oil cooler and the water pump assembly - Includes o-rings

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
1884567
Mfg#:
06H121131C
In Stock
30% off MSRP

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

$21.58

This product was last offered at the strikethrough price on
06-26-2026

$15.19 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Water pump pulley bolt

ES#472470 - WHT001163B - Water pump pulley bolt - Secures water pump drive pulley to balance shaft - Genuine Volkswagen Audi - Audi Volkswagen

Secures water pump drive pulley to balance shaft

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
472470
Mfg#:
WHT001163B
In Stock
$1.64 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Expansion Tank

ES#3642054 - 8K0121405S - Coolant Expansion Tank - Includes the heat shield - Genuine Volkswagen Audi - Audi

Includes the heat shield

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3642054
Mfg#:
8K0121405S
Ships in 4 Business Days
10% off MSRP

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

$201.99

This product was last offered at the strikethrough price on
08-31-2026

$181.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Timing Chain Tensioner - Lower

ES#3618158 - 06H109467AR - Timing Chain Tensioner - Lower - Keeps your timing chain from becoming loose - Febi - Audi Volkswagen

Keeps your timing chain from becoming loose We Price Match - Give Us A Call or Chat!

Brand:
Febi - Corporate Logo
ES#:
3618158
Mfg#:
06H109467AR
In Stock
$103.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Timing Chain Cover - Upper

ES#4623254 - 06K103269F - Timing Chain Cover - Upper - Upper timing cover located on the cylinder head - URO - Audi Volkswagen

Upper timing cover located on the cylinder head 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!
For vehicles with engine codes CYMC, DAYB, DLHB, CYNB

Brand:
URO - Corporate Logo
ES#:
4623254
Mfg#:
06K103269F
In Stock
Limited Qty Sale
$79.99

This product was last offered at the strikethrough price on
06-25-2026

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

Cat-Back Exhaust System

ES#3175516 - 252560T - Cat-Back Exhaust System - 2.5" T-304 Stainless Steel exhaust system with single tip Borla muffler - Techtonics Tuning - Audi

2.5" T-304 Stainless Steel exhaust system with single tip Borla muffler For use with aftermarket 2.5" downpipe

Brand:
Techtonics Tuning - Corporate Logo
ES#:
3175516
Mfg#:
252560T
Ships on Oct 20, 2026
$726.00 USD
This product is lifetime replacement eligible Lifetime Replacement

HOUSING

ES#4368041 - 06E133126S - HOUSING - Genuine Volkswagen Audi - Audi

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
4368041
Mfg#:
06E133126S
Ships in 1 day
6% off MSRP

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

$769.99

This product was last offered at the strikethrough price on
08-31-2026

$725.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Turbocharger Installation Kit W/ Exhaust Manifold Studs

ES#2587509 - 06F253039FKT3 - Turbocharger Installation Kit W/ Exhaust Manifold Studs - Includes all gaskets and hardware - Assembled By ECS - Audi

Includes all gaskets and hardware 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
2587509
Mfg#:
06F253039FKT3
Ships in 4 Business Days
ON SALE! SAVE 12%
$201.99

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

$178.15 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Coolant return pipe

ES#281427 - 06H121065D - Coolant return pipe - Connects the heater core hoses to the waterpump - Genuine Volkswagen Audi - Audi

Connects the heater core hoses to the waterpump Fits up to the 2012 model year

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
281427
Mfg#:
06H121065D
In Stock
24% off MSRP

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

$94.99

This product was last offered at the strikethrough price on
06-21-2026

$72.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Piston Ring Set

ES#3969764 - 06j198151pKT - Piston Ring Set - New rings will restore your compression and keep your vehicle from burning oil and smoking. - Kolbenschmidt - Audi

New rings will restore your compression and keep your vehicle from burning oil and smoking. *Post oil consumption TSB piston rings - Must be used with updated post Technical Service Bulletin piston (06H107065DM)

Brand:
Kolbenschmidt - Corporate Logo
ES#:
3969764
Mfg#:
06J198151PKT
In Stock
$223.99

This product was last offered at the strikethrough price on
07-16-2026

$143.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Platinum Spark Plugs - Set Of Four

ES#592 - PFR6Q4CYL - Platinum Spark Plugs - Set Of Four - Factory heat range plugs with platinum cores - NGK - Audi Volkswagen

Factory heat range plugs with platinum cores We Price Match - Give Us A Call or Chat!

Brand:
NGK - Corporate Logo
ES#:
592
Mfg#:
PFR6Q4CYL
In Stock
$71.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Sealing Washer - Priced Each

ES#466241 - N0138128 - Sealing Washer - Priced Each - Install new hardware with your new parts. 12x15.5x1.5 - Genuine Volkswagen Audi - Audi Volkswagen

Install new hardware with your new parts. 12x15.5x1.5 Seals the supply line from the fuel filter to the engine. Two required

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
466241
Mfg#:
N0138128
In Stock
$4.09 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

fuel pump ring clip - priced each

ES#390218 - 4F0201921A - fuel pump ring clip - priced each - Sits between the fuel pump assembly and seal ring - Genuine Volkswagen Audi - Audi

Sits between the fuel pump assembly and seal ring

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
390218
Mfg#:
4F0201921A
Ships in 2 Business Days
8% off MSRP

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

$25.99

This product was last offered at the strikethrough price on
08-04-2026

$23.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Windage Tray

ES#262970 - 06B103623P - Windage Tray - Prevents oil pump starvation - Genuine Volkswagen Audi - Audi Volkswagen

Prevents oil pump starvation

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
262970
Mfg#:
06B103623P
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.

$104.98

This product was last offered at the strikethrough price on
09-28-2026

$102.73 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Mass Air Flow Sensor (MAF)

ES#4766152 - 04L906461B - Mass Air Flow Sensor (MAF) - Improve your fuel economy and restore performance with a new MAF - Bremmen Parts - Audi Volkswagen

Improve your fuel economy and restore performance with a new MAF 10X Entries Into Our F80 M3 Sweepstakes

For models with DBPA engine code only

Brand:
Bremmen Parts - Corporate Logo
ES#:
4766152
Mfg#:
04L906461B
Ships in 10 Business Days
ON SALE! SAVE 20%
$179.99

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

$143.61 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Service Kit - Premium - With Magnetic Drain Plug & Silver Aluminum Oil Filter Housing

ES#2523871 - 20TPRMOILWBH - Oil Service Kit - Premium - With Magnetic Drain Plug & Silver Aluminum Oil Filter Housing - Includes Liqui Moly oil, filter, magnetic drain plug, and aluminum filter housing - Assembled By ECS - Audi Volkswagen

Includes Liqui Moly oil, filter, magnetic drain plug, and aluminum filter housing 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
2523871
Mfg#:
20TPRMOILWBH
Ships on Nov 9, 2026
ON SALE!
$251.99

This product was last offered at the strikethrough price on
08-31-2026

$239.07 USD
Free Shipping
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.

Let us help you find the parts that fit your Audi

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