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Audi A4 Engine Parts & Accessories

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Oil Separator/PCV Valve

ES#4213747 - 06K103495BL - Oil Separator/PCV Valve - Also called the "breather valve" or "oil separator" - Rein - Audi Volkswagen

Also called the "breather valve" or "oil separator" 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!
For vehicles with CYMC engine code only

Brand:
Rein - Corporate Logo
ES#:
4213747
Mfg#:
06K103495BL
Back Ordered
$124.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Pressure Control Valve (PCV)

ES#1928559 - 06F129101P - Pressure Control Valve (PCV) - Also called the "breather valve" or "oil separator" - Genuine Volkswagen Audi - Audi Volkswagen

Also called the "breather valve" or "oil separator" From production date 12/17/2005

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
1928559
Mfg#:
06F129101P
In Stock
11% off MSRP

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

$144.99

This product was last offered at the strikethrough price on
09-20-2026

$128.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Silicone Charge Pipe Set

ES#3194672 - 018325ECS01KT2 - Silicone Charge Pipe Set - Includes oversized silicone pipes from the turbo outlet to the throttle body - ECS - Audi

Includes oversized silicone pipes from the turbo outlet to the throttle body 10X Entries Into Our F80 M3 Sweepstakes
For use with the OEM intercooler

Brand:
ECS - Corporate Logo
ES#:
3194672
Mfg#:
018325ECS01KT2
In Stock
ON SALE! SAVE 20%
$293.99

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

$235.19 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Maestro Tuning Suite - With Powertap Air Flash Tool

ES#3148271 - ED-MT-A4-1.8TKT - 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

Brand:
Eurodyne - Corporate Logo
ES#:
3148271
Mfg#:
ED-MT-A4-1.8TKT
In Stock
$799.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Pro 5 R Air Intake System - Stage 2

ES#264115 - 54-10322 - Pro 5 R Air Intake System - Stage 2 - Add real power that you can feel - AFE - Audi

Add real power that you can feel CARB certified for sale in all 50 states

Brand:
AFE - Corporate Logo
ES#:
264115
Mfg#:
54-10322
EO#:
D-550-30
In Stock
20% off MSRP

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

$498.99

This product was last offered at the strikethrough price on
05-13-2026

$399.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Low Pressure Fuel Sensor

ES#2813075 - 06E906051K - Low Pressure Fuel Sensor - Restore proper fueling to your engine - Hamburg Tech - Audi Volkswagen

Restore proper fueling to your engine We Price Match - Give Us A Call or Chat!

Brand:
Hamburg Tech - Corporate Logo
ES#:
2813075
Mfg#:
06E906051K
In Stock
$47.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Billet Engine Oil Dipstick - Polished

ES#2960428 - 005259ECS01-01 - Billet Engine Oil Dipstick - Polished - A more durable and aesthetically pleasing addition to your engine bay - ECS - Audi

A more durable and aesthetically pleasing addition to your engine bay 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
2960428
Mfg#:
005259ECS01-01
In Stock
ON SALE! SAVE 30%
$97.99

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

$68.59 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

RacingLine Higher Output Ignition Coils - Blue - Set of Four

ES#4708310 - VWR900000-4KT - RacingLine Higher Output Ignition Coils - Blue - Set of Four - Delivers greater energy output, ensuring a stronger and more consistent spark. A simple plug-and-play upgrade over the OE factory coils. - Racingline - Audi Volkswagen

Delivers greater energy output, ensuring a stronger and more consistent spark. A simple plug-and-play upgrade over the OE factory coils.

Brand:
Racingline - Corporate Logo
ES#:
4708310
Mfg#:
VWR900000-4KT
In Stock
ON SALE! SAVE 10%
$220.99

This product was last offered at the strikethrough price on
09-18-2026

$198.29 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Complete 2.0T Camshaft Replacement Kit - Stage 2

ES#3639465 - 06f198101bKT2 - Complete 2.0T Camshaft Replacement Kit - Stage 2 - Upgraded replacement kit including the high pressure fuel pump - Assembled By ECS - Audi Volkswagen

Upgraded replacement kit including the high pressure fuel pump 10X Entries Into Our F80 M3 Sweepstakes
Includes stronger, reusable ARP Cam Tower Bolts

Brand:
Assembled By ECS - Corporate Logo
ES#:
3639465
Mfg#:
06F198101BKT2
In Stock
ON SALE! SAVE 22%
$1015.99

This product was last offered at the strikethrough price on
07-23-2026

$790.22 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

Coolant Radiator

ES#252302 - 8E0121251A - Coolant Radiator - Keep your cooling system operating properly - Nissens - Audi

Keep your cooling system operating properly We Price Match - Give Us A Call or Chat!

Brand:
Nissens - Corporate Logo
ES#:
252302
Mfg#:
8E0121251A
Ships in 1 Business Day
$174.99

This product was last offered at the strikethrough price on
09-18-2026

$171.00 USD
This product is lifetime replacement eligible Lifetime Replacement

Fuel Injector Installation Kit

ES#2586347 - 06D9989071KT - Fuel Injector Installation Kit - Includes everything required to replace the fuel injectors - Assembled By ECS - Audi Volkswagen

Includes everything required to replace the fuel injectors 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
2586347
Mfg#:
06D9989071KT
In Stock
ON SALE! SAVE 22%
$114.99

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

$89.36 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Timing Belt

ES#523303 - 078109119j - Timing Belt - The most important belt on your engine - Continental - Audi Volkswagen

The most important belt on your engine We Price Match - Give Us A Call or Chat!

Brand:
Continental - Corporate Logo
ES#:
523303
Mfg#:
078109119J
In Stock
$52.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Valve Cover - Right

ES#4810720 - 06E103472N - Valve Cover - Right - For cylinder 1-3 and includes the gasket and bolts - Mahle - Audi

For cylinder 1-3 and includes the gasket and bolts

Brand:
Mahle - Corporate Logo
ES#:
4810720
Mfg#:
06E103472N
Ships in 1 day
$251.99

This product was last offered at the strikethrough price on
05-07-2026

$244.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Ignition Service Kit

ES#2561325 - 06C905115M2KT - Ignition Service Kit - Includes four OE red coil packs and four NGK platinum spark plugs - Assembled By ECS - Audi Volkswagen

Includes four OE red coil packs and four NGK platinum spark plugs 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
2561325
Mfg#:
06C905115M2KT
In Stock
ON SALE!
$186.64 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

K03 Turbocharger

ES#251724 - 058145703J - K03 Turbocharger - Restore boost and get going! - BorgWarner - Audi Volkswagen

Restore boost and get going!

Brand:
BorgWarner - Corporate Logo
ES#:
251724
Mfg#:
058145703J
In Stock
$780.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

F21 Hybrid Turbocharger

ES#2840950 - f21l - F21 Hybrid Turbocharger - Complete bolt on Turbo upgrade includes exhaust manifold & Turbo inlet hose - FrankenTurbo - Audi

Complete bolt on Turbo upgrade includes exhaust manifold & Turbo inlet hose

Brand:
FrankenTurbo - Corporate Logo
ES#:
2840950
Mfg#:
F21L
Ships on Nov 11, 2026
$1299.00 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.

Let us help you find the parts that fit your Audi

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