Shop Our Clearance Sale - Up To 80% Off FREE SHIPPING on Orders $49+ *exclusions apply

Menu

Call Us330-331-2003 ChatLive Chat Text Us!
0 Shopping Cart
Your Vehicle

No Vehicle selected
Please select your vehicle below.

    • Audi
    • BMW
    • Mercedes Benz
    • MINI
    • Porsche
    • Volkswagen

Saved Vehicles

My Vehicles
You currently have no stored vehicles.

Recent Vehicles

Recent Vehicles Manage Vehicles

You currently have no recent vehicles.

We'll automatically keep fully selected vehicles here for your convenience.

Call Us330-331-2003 ChatLive Chat Text Us!
Track My Order View Order History Submit a Return Contact Us Wholesale Information Lifetime Replacement Returns and Warranty Information
0
Call Us330-331-2003 ChatLive Chat Text Us!
Track My Order View Order History Submit a Return Contact Us Wholesale Information Lifetime Replacement Returns and Warranty Information
Cancel
0
Sales & Specials
Enter Your Vehicle
garage-red
Your Vehicle Please tap 'Select' to pick a vehicle
Your Vehicle Please tap 'Select' to pick a vehicle
Select

Audi A4 Engine Parts & Accessories

Sort By
Filter By
Return to Top

Upper Radiator Hose

ES#4151840 - 8K0121101M - Upper Radiator Hose - Keep your cooling system free from cracks - Rein - Audi

Keep your cooling system free from cracks 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
4151840
Mfg#:
8K0121101M
In Stock
$71.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat (87°C)

ES#4766153 - 050121113C - Thermostat (87C) - Prevent overheating and premature engine wear. Includes O-ring - Bremmen Parts - Audi Volkswagen

Prevent overheating and premature engine wear. Includes O-ring 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
4766153
Mfg#:
050121113C
Ships on Sep 17, 2026
Auto Notify
ON SALE!
$16.99

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

$15.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Metal Engine Oil Dipstick Tube

ES#4500796 - 06j115610lprm - Metal Engine Oil Dipstick Tube - Connects to the engine block to allow reading of the oil level - URO - Audi Volkswagen

Connects to the engine block to allow reading of the oil level 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
4500796
Mfg#:
06J115610LPRM
In Stock
$99.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Turbo Mounting Bolt - Priced Each

ES#1589 - 058145540 - Turbo Mounting Bolt - Priced Each - M10x50 - Secures the turbocharger to the manifold - Genuine Volkswagen Audi - Audi Volkswagen

M10x50 - Secures the turbocharger to the manifold

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
1589
Mfg#:
058145540
In Stock
23% off MSRP

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

$29.99

This product was last offered at the strikethrough price on
02-23-2026

$22.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

IE 2.0T FSI/TSI Port Injection Fuel Rail

ES#3677839 - IEIMVC17 - IE 2.0T FSI/TSI Port Injection Fuel Rail - Get past the direct injection "fuel limit ceiling" - Integrated Engineering - Audi Volkswagen

Get past the direct injection "fuel limit ceiling" 5X Entries For Our 25th Anniversary Sweepstakes!
Requires IE Manifold

Brand:
Integrated Engineering - Corporate Logo
ES#:
3677839
Mfg#:
IEIMVC17
In Stock
$208.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coated Rod Bearing Set

ES#4858520 - 034-202-1008 - Coated Rod Bearing Set - Fits virtually all 4-cyl motors, including early 058 block 1.8t, and later 4-cylinder motors using Scat or Pauter forged rods with TANGED bearing provisions. - 034Motorsport - Audi Volkswagen

Fits virtually all 4-cyl motors, including early 058 block 1.8t, and later 4-cylinder motors using Scat or Pauter forged rods with TANGED bearing provisions.

Brand:
034Motorsport - Corporate Logo
ES#:
4858520
Mfg#:
034-202-1008
In Stock
$287.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Valve Spring Seat - priced each

ES#280753 - 06E109641A - Valve Spring Seat - priced each - Keeps the valve spring in place - Genuine Volkswagen Audi - Audi Volkswagen

Keeps the valve spring in place

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
280753
Mfg#:
06E109641A
In Stock
$50.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Accessory Belt

ES#2535509 - 06D903137E - Accessory Belt - Replaces your cracked or worn belt - Continental - Audi

Replaces your cracked or worn belt We Price Match - Give Us A Call or Chat!
From VIN 8E-4-191001, split is in the 2004 model year

Brand:
Continental - Corporate Logo
ES#:
2535509
Mfg#:
06D903137E
In Stock
$32.99

This product was last offered at the strikethrough price on
07-08-2026

$30.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Level Sensor

ES#4818595 - 1J0907660B - Oil Level Sensor - Mounted on the bottom of the oil pan - Bremmen Parts - Audi Volkswagen

Mounted on the bottom of the oil pan 10X Entries For Our 25th Anniversary Sweepstakes!

Up to the 2002 model year

Brand:
Bremmen Parts - Corporate Logo
ES#:
4818595
Mfg#:
1J0907660B
In Stock
ON SALE! SAVE 21%
$54.99

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

$43.24 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Performance Stainless 2.5" Downpipe

ES#3175271 - 251127 - Performance Stainless 2.5" Downpipe - High flow, stainless downpipe kit to be used with 2.5" aftermarket exhaust - Techtonics Tuning - Audi

High flow, stainless downpipe kit to be used with 2.5" aftermarket exhaust Fits automatic transmission models only - To be used with 2.5" aftermarket exhaust system

Brand:
Techtonics Tuning - Corporate Logo
ES#:
3175271
Mfg#:
251127
Ships on Aug 24, 2026
$286.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Roller Rocker Arm - Priced Each

ES#2581207 - 06E109417P - Roller Rocker Arm - Priced Each - Applies cam movement to the intake & exhaust valves - Ina - Audi Volkswagen

Applies cam movement to the intake & exhaust valves We Price Match - Give Us A Call or Chat!
Intake rocker arm

Brand:
Ina - Corporate Logo
ES#:
2581207
Mfg#:
06E109417P
In Stock
$8.36 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oxygen Sensor - Left (Cylinders 4-6)

ES#2162754 - 1K0998262N - Oxygen Sensor - Left (Cylinders 4-6) - Found before the catalytic converter - Bosch - Audi Volkswagen

Found before the catalytic converter 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Bosch - Corporate Logo
ES#:
2162754
Mfg#:
1K0998262N
In Stock at Vendor
$239.99

This product was last offered at the strikethrough price on
04-10-2026

$227.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Spark Plug - Priced Each (NGK)

ES#250318 - 101905621B - Spark Plug - Priced Each (NGK) - OEM replacement spark plug - Genuine Volkswagen Audi - Audi Volkswagen

OEM replacement spark plug

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
250318
Mfg#:
101905621B
In Stock
7% off MSRP

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

$24.48

This product was last offered at the strikethrough price on
08-01-2026

$22.79 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Timing Belt Damper

ES#4758677 - 078109479E - Timing Belt Damper - Applies pressure to the tensioning roller through the lever - Bremmen Parts - Audi Volkswagen

Applies pressure to the tensioning roller through the lever 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
4758677
Mfg#:
078109479E
In Stock
ON SALE! SAVE 16%
$36.99

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

$31.20 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Timing Chain Kit - Standard

ES#2718205 - 06E109217HKT - Timing Chain Kit - Standard - Includes new tensioners, guide rails, & chains to service your timing chain - Genuine Volkswagen Audi - Audi

Includes new tensioners, guide rails, & chains to service your timing chain

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2718205
Mfg#:
06E109217HKT
Ships in 10 Business Days
$2348.99

This product was last offered at the strikethrough price on
02-24-2026

$2261.99 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

ECS Tuning is not affiliated with any automobile manufacturers.
Manufacturer names and/or part numbers are used only for identification purposes.

Terms of Use Privacy Policy ECS Tuning is part of Enthusiast Auto Holdings