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Audi A4 Engine Parts & Accessories

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2.0T Billet Boost Tap Assembly

ES#2718328 - 003621ECS01A - 2.0T Billet Boost Tap Assembly - Designed for the 2.0T engine, up to two boost tap points, and comes with necessary hardware - ECS - Audi Volkswagen

Designed for the 2.0T engine, up to two boost tap points, and comes with necessary hardware 10X Entries Into Our F80 M3 Sweepstakes

For vehicles with plastic intake manifolds

Brand:
ECS - Corporate Logo
ES#:
2718328
Mfg#:
003621ECS01A
In Stock
ON SALE!
$98.99

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

$94.04 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Accessory Belt

ES#2738168 - 06L903137A - Accessory Belt - Replaces your cracked or worn belt - Genuine Volkswagen Audi - Audi Volkswagen

Replaces your cracked or worn belt

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2738168
Mfg#:
06L903137A
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.

$40.99

This product was last offered at the strikethrough price on
06-08-2026

$35.89 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Hi-Volume Fuel Pump Upgrade Kit

ES#3146299 - 10-127-101K - Hi-Volume Fuel Pump Upgrade Kit - Up to a 5% Torque increase and additional 10Bar of fuel rail pressure! - Autotech - Audi Volkswagen

Up to a 5% Torque increase and additional 10Bar of fuel rail pressure!

Brand:
Autotech - Corporate Logo
ES#:
3146299
Mfg#:
10-127-101K
Back Ordered
$339.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Intake Manifold

ES#4472555 - 06H133201AT - Intake Manifold - Includes the gasket, solenoid and sensor - Vaico - Audi

Includes the gasket, solenoid and sensor We Price Match - Give Us A Call or Chat!

Brand:
Vaico - Corporate Logo
ES#:
4472555
Mfg#:
06H133201AT
In Stock
$419.99

This product was last offered at the strikethrough price on
08-11-2026

$253.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Double Platinum Spark Plugs - Set Of Four

ES#9681 - 0242240627-4 - Double Platinum Spark Plugs - Set Of Four - Popular Bosch alternative to factory NGK plugs - Bosch - Audi Volkswagen

Popular Bosch alternative to factory NGK plugs We Price Match - Give Us A Call or Chat!

Brand:
Bosch - Corporate Logo
ES#:
9681
Mfg#:
0242240627-4
In Stock
$43.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Timing Chain Cover - Upper

ES#4151142 - 06H103269H - Timing Chain Cover - Upper - Includes a cover gasket and front seal - Rein - Audi Volkswagen

Includes a cover gasket and front seal 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
4151142
Mfg#:
06H103269H
In Stock
$62.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Audi R8 Style Oil Cap

ES#4685902 - 420103485B - Audi R8 Style Oil Cap - Add new styling in minutes with this Audi R8 style oil cap - Bremmen Parts - Audi Volkswagen

Add new styling in minutes with this Audi R8 style oil cap 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Bremmen Parts - Corporate Logo
ES#:
4685902
Mfg#:
420103485B
In Stock
ON SALE! SAVE 14%
$34.99

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

$29.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

MQB Performance Fuel Lines

ES#4447345 - 201-0152 - MQB Performance Fuel Lines - Direct replacement from the fuel pump on the passenger side of the car to an aftermarket MPI system. - Precision Raceworks - Audi Volkswagen

Direct replacement from the fuel pump on the passenger side of the car to an aftermarket MPI system.

Brand:
Precision Raceworks - Corporate Logo
ES#:
4447345
Mfg#:
201-0152
In Stock
$109.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

G-Force III Electronic Boost Controller

ES#3579230 - 3005 - G-Force III Electronic Boost Controller - G-Force II offers More Powerful Features, more Simplicity - Performance without the hassle! - Go Fast Bits - Audi Volkswagen

G-Force II offers More Powerful Features, more Simplicity - Performance without the hassle!

Brand:
Go Fast Bits - Corporate Logo
ES#:
3579230
Mfg#:
3005
In Stock at Vendor
$412.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

60A Solid Rubber OEM+ Engine Mount Kit & Transmission Mount Bushing Insert Kit

ES#4876601 - 039803LA01EBKT - 60A Solid Rubber OEM+ Engine Mount Kit & Transmission Mount Bushing Insert Kit - 60A Durometer solid rubber that eliminates the soft and leak prone factory engine mounts paired with decreased transmission mount slop for better drivetrain response! - Enthusiast Bundles - Audi

60A Durometer solid rubber that eliminates the soft and leak prone factory engine mounts paired with decreased transmission mount slop for better drivetrain response! Don't See A Bundle You Want - Give Us A Call Or Chat - We Will Make One!

Brand:
Enthusiast Bundles - Corporate Logo
ES#:
4876601
Mfg#:
039803LA01EBKT
Ships in 6 Business Days
ON SALE! SAVE 21%
$629.99

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

$499.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

IE Spec Mahle Motorsport Performance Pistons And Forged Connecting Rods - 83mm Bore

A high-performance bottom-end rebuild kit featuring Tuscan I-beam connecting rods and 83mm overbore forged pistons. Buy Integrated Engineering Software from 9/3/26 - 9/30/26 for a chance to win your Software for FREE!
To be used with aftermarket pistons with 22mm wrist pin

Brand:
Integrated Engineering - Corporate Logo
ES#:
5481100
Mfg#:
MAH-PVN2KT
Back Ordered
$1747.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Cylinder Head Bolt Set

ES#263801 - 204-3901 - Cylinder Head Bolt Set - High strength head bolts with a triple square head - ARP - Audi Volkswagen

High strength head bolts with a triple square head

Brand:
ARP - Corporate Logo
ES#:
263801
Mfg#:
204-3901
In Stock
$207.99

This product was last offered at the strikethrough price on
05-28-2026

$165.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Oil Pressure Check Valve - Priced Each

ES#4815715 - 059103175F - Oil Pressure Check Valve - Priced Each - Located under the cylinder block ventilation cover - URO - Audi

Located under the cylinder block ventilation cover 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
4815715
Mfg#:
059103175F
In Stock
$66.99 USD
Free Shipping
on orders $49 and up

VWR Billet Washer Fluid Reservoir Cap - Black

ES#3188200 - VWR19G704 - VWR Billet Washer Fluid Reservoir Cap - Black - Billet aluminum washer fluid cap to replace your blue plastic one - Racingline - Audi Volkswagen

Billet aluminum washer fluid cap to replace your blue plastic one

Brand:
Racingline - Corporate Logo
ES#:
3188200
Mfg#:
VWR19G704
Ships in 10 Business Days
ON SALE! SAVE 11%
$103.99

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

$92.83 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Accessory Belt Kit

ES#3648475 - 06l903133d2KT - Accessory Belt Kit - Keep your drive belt tight with a new belt, tensioner, and hardware - Assembled By ECS - Audi Volkswagen

Keep your drive belt tight with a new belt, tensioner, and hardware 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
3648475
Mfg#:
06L903133D2KT
In Stock
ON SALE! SAVE 14%
$78.99

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

$68.12 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Timing Chain Cover - Upper

ES#4766164 - 06K103269F - Timing Chain Cover - Upper - Upper timing cover located on the cylinder head - Bremmen Parts - Audi Volkswagen

Upper timing cover located on the cylinder head 10X Entries Into Our F80 M3 Sweepstakes
For vehicles with engine codes CYMC, DAYB, DLHB, CYNB

Brand:
Bremmen Parts - Corporate Logo
ES#:
4766164
Mfg#:
06K103269F
In Stock
ON SALE! SAVE 21%
$66.99

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

$53.03 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.

Let us help you find the parts that fit your Audi

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Manufacturer names and/or part numbers are used only for identification purposes.

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