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Audi A4 Engine Parts & Accessories

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RaceChip RS With App Control

ES#4339426 - 917782 - RaceChip RS With App Control - Get up to +50 hp and +52 lb-ft through a safe and easy to use app-controlled tuning module from RaceChip - Race Chip - Audi

Get up to +50 hp and +52 lb-ft through a safe and easy to use app-controlled tuning module from RaceChip For vehicles from the 2014 model year only

Brand:
Race Chip - Corporate Logo
ES#:
4339426
Mfg#:
917782
Ships on Oct 23, 2026
$449.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

RaceChip RS With App Control

ES#4339406 - 917512 - RaceChip RS With App Control - Get up to +36 hp and +52 lb-ft through a safe and easy to use app-controlled tuning module from RaceChip - Race Chip - Audi Volkswagen

Get up to +36 hp and +52 lb-ft through a safe and easy to use app-controlled tuning module from RaceChip For vehicles up through the 2013 model year only

Brand:
Race Chip - Corporate Logo
ES#:
4339406
Mfg#:
917512
Ships on Oct 23, 2026
$449.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Stage 1

Average gain of 16 horsepower and 17 lb-ft of torque

Brand:
Tunezilla - Corporate Logo
ES#:
3097356
Mfg#:
FSI-VR6-255-1
Ships in 8 Business Days
$449.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Stage 1.5

Average gain of 45 horsepower and 99 lb-ft of torque on 93 Octane @ 20 PSI For vehicles with ATW & AWM engine codes only

Brand:
Tunezilla - Corporate Logo
ES#:
3097326
Mfg#:
18T-20V-170-1.5
Ships in 8 Business Days
$449.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Stage 1.5

Average gain of 51 horsepower and 65 lb-ft of torque on 93 Octane @ 18 PSI For vehicles with AEB engine code from the 2000 model year only

Brand:
Tunezilla - Corporate Logo
ES#:
3097322
Mfg#:
18T-20V-150-1.5
Ships in 8 Business Days
$449.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Speed Nut - Priced Each

ES#468178 - N10433701 - Speed Nut - Priced Each - Used to secure panels and brackets - Genuine Volkswagen Audi - Audi

Used to secure panels and brackets Secures under body lining panels

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
468178
Mfg#:
N10433701
In Stock
25% off MSRP

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

$3.99

This product was last offered at the strikethrough price on
10-01-2026

$2.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Fuel Pressure Regulator

ES#5396340 - 06D130757C - Fuel Pressure Regulator - Located on Fuel Rail - URO - Audi Volkswagen

Located on Fuel Rail 2X Entries Into Our F80 M3 Sweepstakes

Brand:
URO - Corporate Logo
ES#:
5396340
Mfg#:
06D130757C
In Stock
$74.73 USD
This product is lifetime replacement eligible Lifetime Replacement

ECS Tuning Timing Belt Kit - Ultimate

ES#7442 - 078198673 - ECS Tuning Timing Belt Kit - Ultimate - Everything you need for a complete timing belt job. Includes ECS Cam locking tool. - Assembled By ECS - Audi Volkswagen

Everything you need for a complete timing belt job. Includes ECS Cam locking tool. 10X Entries Into Our F80 M3 Sweepstakes
From VIN 8D-W-007799, split is in the 1998 model year

Brand:
Assembled By ECS - Corporate Logo
ES#:
7442
Mfg#:
078198673
Ships in 10 Business Days
ON SALE! SAVE 19%
$550.99

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

$448.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Thermostat

ES#4643077 - 06L121111P - Thermostat - High-flow OE-style design for optimal engine cooling performance - URO - Audi Volkswagen Porsche

High-flow OE-style design for optimal engine cooling performance 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
4643077
Mfg#:
06L121111P
Ships in 2 Business Days
$223.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Throttle body Spacer Kit

ES#2862960 - CTSHW083 - Throttle body Spacer Kit - boost your mid-range torque with this throttle body spacer kit - CTS - Audi Volkswagen

boost your mid-range torque with this throttle body spacer kit

Brand:
CTS - Corporate Logo
ES#:
2862960
Mfg#:
CTSHW083
Ships in 8 Business Days
ON SALE! SAVE 20%
$69.99

This product was last offered at the strikethrough price on
09-29-2026

$55.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Supertech Inconel Exhaust Valve - 1.8T/2.7T - Priced Each

ES#3647471 - ST-AEVI-1103S - Supertech Inconel Exhaust Valve - 1.8T/2.7T - Priced Each - Stock sized valve head diameter, single groove keeper setup for high RPM use - Supertech - Audi Volkswagen

Stock sized valve head diameter, single groove keeper setup for high RPM use *Valves priced individually - For 1.8T - qty 8 needed / For 2.7T - qty 12 needed - Please see long description for additional valve seal/keeper informati

Brand:
Supertech - Corporate Logo
ES#:
3647471
Mfg#:
ST-AEVI-1103S
Back Ordered
$55.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Filter Housing

ES#3426905 - 06D115408B - Oil Filter Housing - Replace your broken or leaking housing - Hamburg Tech - Audi Volkswagen

Replace your broken or leaking housing We Price Match - Give Us A Call or Chat!

Brand:
Hamburg Tech - Corporate Logo
ES#:
3426905
Mfg#:
06D115408B
In Stock
$31.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Pressure Control Valve (PCV)

ES#4883910 - 06F129101R - Pressure Control Valve (PCV) - Also called the "breather valve" or "oil separator" - Rein - Audi Volkswagen

Also called the "breather valve" or "oil separator" 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!
Up to production date 12/16/2005

Brand:
Rein - Corporate Logo
ES#:
4883910
Mfg#:
06F129101R
In Stock
$31.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Hydraulic Engine Mount - Priced Each

ES#3172510 - 8D0199379K - Hydraulic Engine Mount - Priced Each - Reduce driveline vibrations with a new motor mount, fits left or right side - Corteco - Audi Volkswagen

Reduce driveline vibrations with a new motor mount, fits left or right side

Brand:
Corteco - Corporate Logo
ES#:
3172510
Mfg#:
8D0199379K
Ships in 1-2 days
$74.42 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Pump Drive Chain

ES#4772437 - 06A115125B - Oil Pump Drive Chain - Drives the oil pump from the crankshaft - Bremmen Parts - Audi Volkswagen

Drives the oil pump from the crankshaft 10X Entries Into Our F80 M3 Sweepstakes

Engine code AWM

Brand:
Bremmen Parts - Corporate Logo
ES#:
4772437
Mfg#:
06A115125B
In Stock
ON SALE! SAVE 21%
$26.99

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

$21.21 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Hose

ES#4818442 - 06B121101A - Coolant Hose - Connects the hard water pipe to the rear coolant flange - Bremmen Parts - Audi

Connects the hard water pipe to the rear coolant flange 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Bremmen Parts - Corporate Logo
ES#:
4818442
Mfg#:
06B121101A
In Stock
ON SALE! SAVE 22%
$21.99

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

$17.13 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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