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Audi A4 Engine Parts & Accessories

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Valve Stem Seal - Priced Each

ES#2581856 - 027109675 - Valve Stem Seal - Priced Each - 7mm seal fitted to the end of the valve. - Elring - Audi Volkswagen

7mm seal fitted to the end of the valve. 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Elring - Corporate Logo
ES#:
2581856
Mfg#:
027109675
In Stock
$2.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Performance Stainless 2.5" Downpipe

High flow, stainless downpipe kit to be used with factory exhaust Fits quattro, automatic transmission models only - To be used with factory 55mm exhaust system

Brand:
Techtonics Tuning - Corporate Logo
ES#:
3175306
Mfg#:
251228R
Ships on Sep 21, 2026
$275.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Audi 2.0T 2.5T 3.0T 4.0T 5.0T Fuel Pump Install Tool

ES#3220807 - 10.127.101TK - Audi 2.0T 2.5T 3.0T 4.0T 5.0T Fuel Pump Install Tool - For the 2.0T, 2.5T, 3.0T, 4.0T, & 5.0T engine fuel pump upgrade kits - Autotech - Audi Volkswagen

For the 2.0T, 2.5T, 3.0T, 4.0T, & 5.0T engine fuel pump upgrade kits

Brand:
Autotech - Corporate Logo
ES#:
3220807
Mfg#:
10.127.101TK
Ships on Sep 17, 2026
$24.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Accessory Belt - Power Steering/Water Pump

ES#546 - 11X528 - Accessory Belt - Power Steering/Water Pump - Replace your cracked or worn belt - Continental - Audi Volkswagen

Replace your cracked or worn belt We Price Match - Give Us A Call or Chat!
Engine codes AEB & ATW

Brand:
Continental - Corporate Logo
ES#:
546
Mfg#:
11X528
Ships in 4 Business Days
$10.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Water Pump / Thermostat Kit

ES#5386445 - 06E121018BKT1 - Water Pump / Thermostat Kit - Includes everything you need to replace your water pump and thermostat. - Assembled By ECS - Audi

Includes everything you need to replace your water pump and thermostat. 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
5386445
Mfg#:
06E121018BKT1
In Stock
ON SALE!
$287.99

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

$274.74 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

Cooling System Refresh Kit - Level 3 With ECS Billet Aluminum J-Plug

ES#2795706 - 06B121132EKT4 - Cooling System Refresh Kit - Level 3 With ECS Billet Aluminum J-Plug - Includes ECS' upgraded J-plug, replace critical cooling system components & perform a proper coolant system flush - Assembled By ECS - Audi

Includes ECS' upgraded J-plug, replace critical cooling system components & perform a proper coolant system flush 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
2795706
Mfg#:
06B121132EKT4
In Stock at Vendor
ON SALE! SAVE 17%
$330.99

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

$274.71 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Oil Service Kit

ES#1521 - B5V630V3KKT - Oil Service Kit - Includes Mann oil filter and Pentosin 5w-40 oil - Assembled By ECS - Audi Volkswagen

Includes Mann oil filter and Pentosin 5w-40 oil 10X Entries Into Our F80 M3 Sweepstakes
From VIN 4A-T-064172, split is on model year 1996.

Brand:
Assembled By ECS - Corporate Logo
ES#:
1521
Mfg#:
B5V630V3KKT
In Stock
ON SALE!
$141.99

This product was last offered at the strikethrough price on
08-19-2026

$137.24 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Timing Belt Kit - Ultimate Plus

ES#5953 - AWMTBKV2 LVwaf - Timing Belt Kit - Ultimate Plus - Our most complete timing belt kit with coolant - Assembled By ECS - Audi

Our most complete timing belt kit with coolant 10X Entries Into Our F80 M3 Sweepstakes
From VIN 8D-1-042385, split is in the 2001 model year

Brand:
Assembled By ECS - Corporate Logo
ES#:
5953
Mfg#:
AWMTBKV2 LVWAF
Ships on Nov 16, 2026
Auto Notify
ON SALE!
$280.99

This product was last offered at the strikethrough price on
04-08-2026

$274.46 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Oil Drain Plug

ES#4034813 - N90813202 - Oil Drain Plug - Includes crush washer. M14x1.5 - Elring - Audi Volkswagen

Includes crush washer. M14x1.5 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Elring - Corporate Logo
ES#:
4034813
Mfg#:
N90813202
Ships in 1 Business Day
$4.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Pan Replacement Kit

ES#4750175 - 06L103598RAKT - Oil Pan Replacement Kit - Completely replace your oil pan with everything you need! - Assembled By ECS - Audi

Completely replace your oil pan with everything you need! 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
4750175
Mfg#:
06L103598RAKT
Ships in 1-2 days
$273.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

Pro 5R Oiled Air Filter

ES#518083 - 30-10044 - Pro 5R Oiled Air Filter - Higher flow, higher performance - washable and reuseable! - AFE - Audi BMW Volkswagen

Higher flow, higher performance - washable and reuseable!

Brand:
AFE - Corporate Logo
ES#:
518083
Mfg#:
30-10044
Ships in 3 Business Days
20% off MSRP

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

$113.99

This product was last offered at the strikethrough price on
08-27-2026

$91.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Radiator

ES#4066918 - 8K0121251H - Radiator - Fix leaks and keep your cooling system efficient - Denso - Audi

Fix leaks and keep your cooling system efficient

Brand:
Denso - Corporate Logo
ES#:
4066918
Mfg#:
8K0121251H
Ships in 7 Business Days
$280.99

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

$272.99 USD
This product is lifetime replacement eligible Lifetime Replacement

Upper Timing Chain Tensioner - Left

ES#3662281 - 06E109217Q - Upper Timing Chain Tensioner - Left - Applies tension to the upper left timing chain - Febi - Audi

Applies tension to the upper left timing chain We Price Match - Give Us A Call or Chat!

Brand:
Febi - Corporate Logo
ES#:
3662281
Mfg#:
06E109217Q
Ships in 1 Business Day
$273.99

This product was last offered at the strikethrough price on
05-11-2026

$272.99 USD
Free Shipping
on orders $49 and up

57i Performance Air Intake System

ES#3163989 - 57-0515 - 57i Performance Air Intake System - Easy to install with washable, lifetime filter - K&N - Audi

Easy to install with washable, lifetime filter

Brand:
K&N - Corporate Logo
ES#:
3163989
Mfg#:
57-0515
Ships in 4 Business Days
$272.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Relay

ES#2899229 - 4H0951253C - Relay - Make sure your electrical components are in working order - Vemo - Audi Volkswagen

Make sure your electrical components are in working order

Brand:
Vemo - Corporate Logo
ES#:
2899229
Mfg#:
4H0951253C
Ships in 1-3 days
$18.99

This product was last offered at the strikethrough price on
08-18-2026

$12.99 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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Manufacturer names and/or part numbers are used only for identification purposes.

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