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Audi A4 Engine Parts & Accessories

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APR Iridium Pro Spark Plug - Set Of Four

ES#4616188 - z1003100-4KT - APR Iridium Pro Spark Plug - Set Of Four - An excellent upgrade for tuned engines. 14X26.5X16mm - Heat Range 9 - APR - Audi Volkswagen Porsche

An excellent upgrade for tuned engines. 14X26.5X16mm - Heat Range 9 Call In Or Chat For Best Price!

Brand:
APR - Corporate Logo
ES#:
4616188
Mfg#:
Z1003100-4KT
Back Ordered
$127.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

ECS Tuning Street Shield Aluminum Skid Plate Kit

ES#2771912 - 003251ECS01AKT2 - ECS Tuning Street Shield Aluminum Skid Plate Kit - Protect your vehicle's oil pan & electronic steering rack with this 4mm thick aluminum skid plate - ECS - Audi

Protect your vehicle's oil pan & electronic steering rack with this 4mm thick aluminum skid plate 10X Entries Into Our F80 M3 Sweepstakes
Fits B8 chassis A4/S4/A5/S5 models from the 2013 model year

Brand:
ECS - Corporate Logo
ES#:
2771912
Mfg#:
003251ECS01AKT2
Ships in 8 Business Days
ON SALE!
$416.99

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

$396.14 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

IE Spec Mahle Motorsport Performance Pistons - 82.5mm bore

ES#3111675 - MAH-PVN1 - IE Spec Mahle Motorsport Performance Pistons - 82.5mm bore - Forged Alloy pistons with 22mm wrist pin - Varying Comp Ratio: (2.0T TSI EA888 Gen 1 & 2 (2008-2014): 9.5:1 CR), (2.0T TSI EA888 Gen 3 (2015+): 9.3:1 CR) - Integrated Engineering - Audi Volkswagen

Forged Alloy pistons with 22mm wrist pin - Varying Comp Ratio: (2.0T TSI EA888 Gen 1 & 2 (2008-2014): 9.5:1 CR), (2.0T TSI EA888 Gen 3 (2015+): 9.3:1 CR) Buy Integrated Engineering Software from 9/3/26 - 9/30/26 for a chance to win your Software for FREE!

Brand:
Integrated Engineering - Corporate Logo
ES#:
3111675
Mfg#:
MAH-PVN1
In Stock
$997.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Intake Manifold with Installation Kit

ES#3194908 - 06H133201ANkt - Intake Manifold with Installation Kit - Everything you need to replace your Intake manifold - Assembled By ECS - Audi

Everything you need to replace your Intake manifold 10X Entries Into Our F80 M3 Sweepstakes
For models without Flex Fuel or metal manifold.

Brand:
Assembled By ECS - Corporate Logo
ES#:
3194908
Mfg#:
06H133201ANKT
In Stock
ON SALE! SAVE 23%
$403.13

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

$311.06 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Performance Ignition Coils - Set Of Six

ES#4620042 - 06E905115G-6KT - Performance Ignition Coils - Set Of Six - Increased energy output over stock coil packs for a stronger and more consistent spark! - ECS - Audi

Increased energy output over stock coil packs for a stronger and more consistent spark! 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
4620042
Mfg#:
06E905115G-6KT
In Stock
ON SALE! SAVE 15%
$203.99

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

$173.39 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

3" High Flow Catalytic Converter

ES#2972519 - EXH-TDP-004-B8HF - 3" High Flow Catalytic Converter - Designed to seamlessly fit in place of factory catalytic converter - CTS - Audi

Designed to seamlessly fit in place of factory catalytic converter

Brand:
CTS - Corporate Logo
ES#:
2972519
Mfg#:
EXH-TDP-004-B8HF
Back Ordered
$299.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Complete Valve Cover Gasket Kit

ES#3662304 - 06b103831jKT - Complete Valve Cover Gasket Kit - Includes gaskets, hardware, and silicone sealant for an all-inclusive service kit - Assembled By ECS - Audi

Includes gaskets, hardware, and silicone sealant for an all-inclusive service kit 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
3662304
Mfg#:
06B103831JKT
In Stock
ON SALE! SAVE 18%
$241.99

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

$197.89 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

Audi B9 A4/S4/A5 Engine Street Shield Aluminum Skid Plate

ES#3411957 - 019207ecs01KT - Audi B9 A4/S4/A5 Engine Street Shield Aluminum Skid Plate - Protect your vehicle's plastic oil pan with this 4mm thick aluminum skid plate - ECS - Audi

Protect your vehicle's plastic oil pan with this 4mm thick aluminum skid plate 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
3411957
Mfg#:
019207ECS01KT
In Stock
$391.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Coil Pack - Set Of Four

ES#3245923 - 06E905115Fkt - Coil Pack - Set Of Four - Dress up your engine bay and restore power with these red top coil packs - Bosch - Audi Volkswagen

Dress up your engine bay and restore power with these red top coil packs We Price Match - Give Us A Call or Chat!

Brand:
Bosch - Corporate Logo
ES#:
3245923
Mfg#:
06E905115FKT
In Stock
$131.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Audi B7 A4 2.0T Luft-Technik Intercooler and Charge Pipe Kit

ES#3698662 - 017623ecs01-01 - Audi B7 A4 2.0T Luft-Technik Intercooler and Charge Pipe Kit - Full kit to upgrade your intercooler, charge pipes, and power steering cooler! - ECS - Audi

Full kit to upgrade your intercooler, charge pipes, and power steering cooler! 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
3698662
Mfg#:
017623ECS01-01
In Stock
ON SALE! SAVE 20%
$917.99

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

$733.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

ARP Head Stud Kit

ES#2710375 - 204-4302 - ARP Head Stud Kit - Premium grade 8740 Alloy Steel head studs for your high horsepower race build. - ARP - Audi Volkswagen

Premium grade 8740 Alloy Steel head studs for your high horsepower race build.

Brand:
ARP - Corporate Logo
ES#:
2710375
Mfg#:
204-4302
In Stock
$182.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Intake Manifold - Black Velocity Stack Cover

ES#2834698 - IEIMVC1-bk - Intake Manifold - Black Velocity Stack Cover - Does not include installation hardware - Integrated Engineering - Audi Volkswagen

Does not include installation hardware Buy Integrated Engineering Software from 9/3/26 - 9/30/26 for a chance to win your Software for FREE!
Please ensure your ECU tuner can provide you with manifold software before purchasing.
Does not fit 2.0T TSI engines with 5th injector factory aluminum intake manifolds.

Brand:
Integrated Engineering - Corporate Logo
ES#:
2834698
Mfg#:
IEIMVC1-BK
In Stock
$979.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Performance High-Flow Air Intake System - 6" Velocity Stack

ES#4045629 - CTS-IT-290R - Performance High-Flow Air Intake System - 6" Velocity Stack - Designed to work in conjunction with the OEM air scoop to seamlessly force cold air into the system - Flowed through a massive 6" velocity stack filter! - CTS - Audi

Designed to work in conjunction with the OEM air scoop to seamlessly force cold air into the system - Flowed through a massive 6" velocity stack filter!

Brand:
CTS - Corporate Logo
ES#:
4045629
Mfg#:
CTS-IT-290R
Ships in 7 Business Days
$299.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

IE FDS Front Mount Intercooler Kit (IETPCG1)

ES#3192994 - IETPCG1 - IE FDS Front Mount Intercooler Kit (IETPCG1) - Increase horsepower and eliminate heatsoak - Drop-in intercooler requires no cutting, trimming, or mods! - Integrated Engineering - Audi

Increase horsepower and eliminate heatsoak - Drop-in intercooler requires no cutting, trimming, or mods! Buy Integrated Engineering Software from 9/3/26 - 9/30/26 for a chance to win your Software for FREE!

Brand:
Integrated Engineering - Corporate Logo
ES#:
3192994
Mfg#:
IETPCG1
In Stock
$989.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Ignition Service Kit

ES#2539447 - 06E905115EKTN - Ignition Service Kit - Includes four Original Equipment red coil packs and four NGK iridium spark plugs (BKR8EIX - One heat range colder) - Assembled By ECS - Audi Volkswagen

Includes four Original Equipment red coil packs and four NGK iridium spark plugs (BKR8EIX - One heat range colder) 10X Entries Into Our F80 M3 Sweepstakes
Beneficial to cars with basic performance upgrades

Brand:
Assembled By ECS - Corporate Logo
ES#:
2539447
Mfg#:
06E905115EKTN
In Stock
ON SALE!
$178.99

This product was last offered at the strikethrough price on
09-08-2026

$168.01 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

High Pressure Fuel Pump Piston Upgrade Kit

ES#4475572 - 034-106-6052 - High Pressure Fuel Pump Piston Upgrade Kit - Yields up to 50% Flow Increase Over the Factory High Pressure Fuel Pump! - 034Motorsport - Audi

Yields up to 50% Flow Increase Over the Factory High Pressure Fuel Pump! 2X Entries Into Our F80 M3 Sweepstakes

Brand:
034Motorsport - Corporate Logo
ES#:
4475572
Mfg#:
034-106-6052
In Stock
$390.00 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

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

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