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Audi A4 Engine Parts & Accessories

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Supertech Inconel Exhaust Valve Kit

ES#3647523 - ST-AEVI-1106SKT - Supertech Inconel Exhaust Valve Kit - +1mm oversized valve head diameter, single groove keeper setup for high RPM use - Includes Supertech valves, single groove keepers and IE valve seals - Assembled By ECS - Audi Volkswagen

+1mm oversized valve head diameter, single groove keeper setup for high RPM use - Includes Supertech valves, single groove keepers and IE valve seals 10X Entries Into Our F80 M3 Sweepstakes
*Oversized valves require extra machine work to the cylinder head.*

Brand:
Assembled By ECS - Corporate Logo
ES#:
3647523
Mfg#:
ST-AEVI-1106SKT
Back Ordered
$429.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Throttle Body Boost Tap Kit

ES#3136139 - 005942ECS01KT2 - Throttle Body Boost Tap Kit - Installs between the throttle body and intake manifold. Features two vacuum ports for multiple boost / vacuum references. - ECS - Audi

Installs between the throttle body and intake manifold. Features two vacuum ports for multiple boost / vacuum references. 10X Entries Into Our F80 M3 Sweepstakes

For vehicles up through the 2018 model year only (Pre-Facelift)

Brand:
ECS - Corporate Logo
ES#:
3136139
Mfg#:
005942ECS01KT2
In Stock
ON SALE! SAVE 15%
$100.99

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

$85.84 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

MST Performance Cold Air Intake System

Improves throttle response, and peak power while adding a glorious and aggressive tone under the hood.

Brand:
MST Performance - Corporate Logo
ES#:
4440480
Mfg#:
AD-A403
Special Order: No Guaranteed ETA
$429.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oxygen Sensor - Priced Each

ES#2897353 - 1K0998262AB - Oxygen Sensor - Priced Each - Keep your engine running efficiently - Vemo - Audi Volkswagen

Keep your engine running efficiently For engine code ATQ, fits left and right position

Brand:
Vemo - Corporate Logo
ES#:
2897353
Mfg#:
1K0998262AB
Ships in 1 Business Day
$160.99

This product was last offered at the strikethrough price on
06-11-2026

$142.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Coolant Temperature Sensor - 2 Pin

ES#4745319 - 079919523J - Coolant Temperature Sensor - 2 Pin - Monitors coolant temperature for fan control & gauge readings - Vemo - Audi Volkswagen

Monitors coolant temperature for fan control & gauge readings

Brand:
Vemo - Corporate Logo
ES#:
4745319
Mfg#:
079919523J
Ships in 1 Business Day
$40.99

This product was last offered at the strikethrough price on
04-27-2026

$38.99 USD
Free Shipping
on orders $49 and up

Ultimate Timing Belt Kit

ES#3969724 - 058198479V2KT - Ultimate Timing Belt Kit - Complete kit to service your timing belt, water pump, and thermostat - Assembled By ECS - Audi Volkswagen

Complete kit to service your timing belt, water pump, and thermostat 10X Entries Into Our F80 M3 Sweepstakes
For vehicles with AEB or ATW engine codes only

Brand:
Assembled By ECS - Corporate Logo
ES#:
3969724
Mfg#:
058198479V2KT
Back Ordered
ON SALE!
$449.99

This product was last offered at the strikethrough price on
08-13-2026

$428.08 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Ultimate Timing Belt Kit

ES#1342 - 058198479 V2 - Ultimate Timing Belt Kit - Complete kit to service your timing belt, water pump, and thermostat - Assembled By ECS - Audi Volkswagen

Complete kit to service your timing belt, water pump, and thermostat 10X Entries Into Our F80 M3 Sweepstakes
For vehicles with AEB or ATW engine codes only

Brand:
Assembled By ECS - Corporate Logo
ES#:
1342
Mfg#:
058198479 V2
Back Ordered
ON SALE!
$449.01

This product was last offered at the strikethrough price on
08-13-2026

$428.08 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Coolant Pipe - Supply

ES#280423 - 06D121065J - Coolant Pipe - Supply - Hard pipe that connects to the thermostat, heater core hose, oil cooler hose, and turbocharger cooling line. - Genuine Volkswagen Audi - Audi

Hard pipe that connects to the thermostat, heater core hose, oil cooler hose, and turbocharger cooling line.

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
280423
Mfg#:
06D121065J
Ships in 3 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.

$474.99

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

$427.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

A/C Compressor Clutch

ES#450515 - 8K0260810 - A/C Compressor Clutch - Keep cool in the summer heat - Genuine Volkswagen Audi - Audi

Keep cool in the summer heat Up to the 2012 model year

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
450515
Mfg#:
8K0260810
Ships in 7 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.

$474.99

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

$427.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Ignition Coils - Set Of Four

ES#4069170 - GN10632KT - Ignition Coils - Set Of Four - Keep your engine running strong - Delphi - Audi Volkswagen

Keep your engine running strong

Brand:
Delphi - Corporate Logo
ES#:
4069170
Mfg#:
GN10632KT
In Stock
$213.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Air Temperature Sensor

ES#3628560 - 06B905379G - Air Temperature Sensor - Mounted on the intake manifold - Genuine Volkswagen Audi - Audi Volkswagen

Mounted on the intake manifold Up to the 2012 model year

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3628560
Mfg#:
06B905379G
Ships in 1-2 days
9% off MSRP

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

$116.99

This product was last offered at the strikethrough price on
10-02-2026

$106.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Turbo Oil Line Gasket - Priced Each

ES#1590 - 058145757B - Turbo Oil Line Gasket - Priced Each - Seals the oil return line to the turbocharger - Elring - Audi Volkswagen

Seals the oil return line to the turbocharger 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Elring - Corporate Logo
ES#:
1590
Mfg#:
058145757B
In Stock
$2.35 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Manifold Port Boost Tap Kit

ES#3136138 - 013576ECS01KT2 - Manifold Port Boost Tap Kit - Installs in the unused port of the intake manifold. Features three vacuum ports for multiple boost / vacuum references. - ECS - Audi

Installs in the unused port of the intake manifold. Features three vacuum ports for multiple boost / vacuum references. 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
3136138
Mfg#:
013576ECS01KT2
In Stock
ON SALE! SAVE 20%
$88.99

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

$71.19 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Cam Chain Tensioner - Cylinders 1-3 (Right)

Applies tension to the camshaft timing chain

Brand:
Bapmic - Corporate Logo
ES#:
4908318
Mfg#:
078109088H
Ships in 1 Business Day
$439.99

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

$426.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

MST Performance Cold Air Intake System

ES#4440481 - AD-A405 - MST Performance Cold Air Intake System - Improves throttle response, and peak power while adding a glorious and aggressive tone under the hood. - MST Performance - Audi

Improves throttle response, and peak power while adding a glorious and aggressive tone under the hood.

Brand:
MST Performance - Corporate Logo
ES#:
4440481
Mfg#:
AD-A405
Special Order: No Guaranteed ETA
$426.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Fuel Level Sensor - Left

Informs the instrument cluster of the tank's fuel level From VIN 8E-5-065001, split is in the 2005 model year

Brand:
Spectra Premium - Corporate Logo
ES#:
4147158
Mfg#:
8E0201317R
Back Ordered
$439.99

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

$426.99 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.

Let us help you find the parts that fit your Audi

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