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Audi A3 Engine Parts & Accessories

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Water Pump Module

ES#2837068 - 06H121026CQ - Water Pump Module - Includes the thermostat and gasket - Original Equipment Supplier - Audi Volkswagen

Includes the thermostat and gasket For TSI models without electrical connection on pump inlet (please inspect prior to ordering).

Brand:
Original Equipment Supplier - Corporate Logo
ES#:
2837068
Mfg#:
06H121026CQ
Ships in 1-2 days
$202.00 USD
Free Shipping

Timing Belt Kit

ES#3149467 - 06F198119A - Timing Belt Kit - Hepu - Audi

Contains: (1) Timing Belt (1) Tension Roller (2) Relay Rollers.

Brand:
Hepu - Corporate Logo
ES#:
3149467
Mfg#:
06F198119A
Ships on Nov 5, 2026
$201.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Service Kit - With Black Billet Aluminum Oil Filter Housing

ES#2856014 - 21063-538-031kt - Oil Service Kit - With Black Billet Aluminum Oil Filter Housing - Includes HighTec Synt RS Engine Oil (5W-40), Genuine Oil Filter and an ECS billet filter housing - Assembled By ECS - Audi

Includes HighTec Synt RS Engine Oil (5W-40), Genuine Oil Filter and an ECS billet filter housing 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
2856014
Mfg#:
21063-538-031KT
Back Ordered
ON SALE!
$207.99

This product was last offered at the strikethrough price on
09-14-2026

$201.63 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

A/C Pressure Switch

ES#4057423 - 4H0959126B - A/C Pressure Switch - Prevents excess pressure from building within the system - Four Seasons - Audi

Prevents excess pressure from building within the system

Brand:
Four Seasons - Corporate Logo
ES#:
4057423
Mfg#:
4H0959126B
Ships in 2 Business Days
$76.99

This product was last offered at the strikethrough price on
04-21-2026

$66.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat Housing

ES#4830758 - 04L121026AH - Thermostat Housing - Regulates flow of coolant according to temperature - URO - Audi Volkswagen

Regulates flow of coolant according to temperature 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!
For vehicles with engine code CRUA/ CVCA

Brand:
URO - Corporate Logo
ES#:
4830758
Mfg#:
04L121026AH
Ships in 2 Business Days
$66.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Heater Core Hose - Supply

ES#4899602 - 1K0122157HE - Heater Core Hose - Supply - Connects the heater core pipe to the flange - Rein - Audi Volkswagen

Connects the heater core pipe to the flange 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!
For vehicles with TSI engines only

Brand:
Rein - Corporate Logo
ES#:
4899602
Mfg#:
1K0122157HE
Ships in 3 Business Days
$51.99

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

$33.39 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Harmonic Balancer

ES#2681844 - 06F105243J - Harmonic Balancer - Reduces torsional vibrations on your crankshaft - Corteco - Audi Volkswagen

Reduces torsional vibrations on your crankshaft For vehicles with FSI engines only

Brand:
Corteco - Corporate Logo
ES#:
2681844
Mfg#:
06F105243J
Ships in 1-2 days
$200.24 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Oil Level Sensor

Mounted on the bottom of the oil pan

Brand:
VNE - Corporate Logo
ES#:
4707970
Mfg#:
03F907660E
Ships in 1-2 days
$205.99

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

$199.99 USD
Free Shipping
on orders $49 and up

VW / Audi E888.3 MPI Wire Harness

ES#4858622 - 201-0021 - VW / Audi E888.3 MPI Wire Harness - The harness adds 4 EV1 style fuel injector connections, 1 low fuel pressure sensor connection, 1 flex fuel sensor connection - Precision Raceworks - Audi Volkswagen

The harness adds 4 EV1 style fuel injector connections, 1 low fuel pressure sensor connection, 1 flex fuel sensor connection

Brand:
Precision Raceworks - Corporate Logo
ES#:
4858622
Mfg#:
201-0021
Ships in 10 Business Days
$199.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Pressure Control Valve (PCV)

ES#4342719 - 06H103495AE - Pressure Control Valve (PCV) - Also referred to as the breather valve or oil separator - Febi - Audi

Also referred to as the breather valve or oil separator We Price Match - Give Us A Call or Chat!

Brand:
Febi - Corporate Logo
ES#:
4342719
Mfg#:
06H103495AE
Ships on Jan 12, 2027
$99.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

K04 Performance Software (Existing APR Customers) - 1 Program (Or Fully Loaded If Already Equipped)

ES#2776628 - PA100007 - K04 Performance Software (Existing APR Customers) - 1 Program (Or Fully Loaded If Already Equipped) - Required software to properly upgrade to a K04 turbocharger - APR - Audi Volkswagen

Required software to properly upgrade to a K04 turbocharger Call In Or Chat For Best Price!
This upgrade must be performed at ECS Tuning's facility in Ohio.
Ship your ECU for free, or drive your vehicle to our location

Brand:
APR - Corporate Logo
ES#:
2776628
Mfg#:
PA100007
In Stock
ON SALE! SAVE 20%
$249.99

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

$199.96 USD
This product is lifetime replacement eligible Lifetime Replacement

Performance Software For IS38 Turbo Upgrade

ES#3411787 - 18tis38KT - Performance Software For IS38 Turbo Upgrade - For customers WITH APR Stage 1, moving to the IS38 turbocharger upgrade. - APR - Audi Volkswagen

For customers WITH APR Stage 1, moving to the IS38 turbocharger upgrade. Call In Or Chat For Best Price!
This upgrade must be performed at ECS Tuning's facility in Ohio.

Brand:
APR - Corporate Logo
ES#:
3411787
Mfg#:
18TIS38KT
In Stock
ON SALE! SAVE 20%
$249.99

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

$199.96 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Ignition Coil - Priced Each

Keep your engine running smooth

Brand:
Hitachi - Corporate Logo
ES#:
5411646
Mfg#:
06L905110K
Back Ordered
$49.99 USD
Free Shipping
on orders $49 and up

MQB Air Pump Breather Filter

ES#4362309 - UH007-AC0 - MQB Air Pump Breather Filter - Ensure filtered air enters your secondary air injection system - Unitronic - Audi Volkswagen

Ensure filtered air enters your secondary air injection system

Brand:
Unitronic - Corporate Logo
ES#:
4362309
Mfg#:
UH007-AC0
Ships in 7 Business Days
$39.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Timing Chain Guide Rail - Upper

ES#3151153 - 06K109469P - Timing Chain Guide Rail - Upper - Upper rail on the chain that connects to the camshaft - Genuine Volkswagen Audi - Audi Volkswagen

Upper rail on the chain that connects to the camshaft

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3151153
Mfg#:
06K109469P
Ships in 1 Business Day
14% off MSRP

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

$28.99

This product was last offered at the strikethrough price on
10-05-2026

$24.99 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

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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