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Audi A4 Engine Parts & Accessories

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Ultimate Timing Chain Kit

ES#3971144 - 06K109158AKT4 - Ultimate Timing Chain Kit - Includes all chains, tensioners, guide rails and securing hardware - Assembled By ECS - Audi

Includes all chains, tensioners, guide rails and securing hardware 10X Entries For Our 25th Anniversary Sweepstakes!
From production date 8/27/2012 up to 7/1/2013

Brand:
Assembled By ECS - Corporate Logo
ES#:
3971144
Mfg#:
06K109158AKT4
In Stock
ON SALE! SAVE 23%
$490.99

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

$376.61 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

034 Billet Aluminum Rear Main Seal Upgrade - With Installation Tool & Sealant

ES#4608304 - 034-202-6004KT - 034 Billet Aluminum Rear Main Seal Upgrade - With Installation Tool & Sealant - Permanent fix for that leaking rear main seal. Includes recommended installation tool and Dirko sealant to complete the job. - Assembled By ECS - Audi Volkswagen

Permanent fix for that leaking rear main seal. Includes recommended installation tool and Dirko sealant to complete the job. 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
4608304
Mfg#:
034-202-6004KT
Ships on Sep 22, 2026
Auto Notify
$233.99

This product was last offered at the strikethrough price on
03-16-2026

$179.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

Intake Manifold

ES#4871916 - 06L133201FP - Intake Manifold - Complete intake manifold with incorporated flapper motor - Bremmen Parts - Audi Volkswagen

Complete intake manifold with incorporated flapper motor 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
4871916
Mfg#:
06L133201FP
In Stock
ON SALE! SAVE 20%
$425.99

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

$340.26 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Synthoil Premium Engine Oil (5w-40) - 5 Liter

ES#258725 - 2041 - Synthoil Premium Engine Oil (5w-40) - 5 Liter - A fully synthetic oil specifically designed around the unique needs and long drain intervals of European engines - Liqui-Moly - Audi BMW Volkswagen

A fully synthetic oil specifically designed around the unique needs and long drain intervals of European engines 10X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Liqui-Moly - Corporate Logo
ES#:
258725
Mfg#:
2041
In Stock
42% off MSRP

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

$94.99

This product was last offered at the strikethrough price on
07-21-2026

$55.29 USD
Free Shipping
on orders $49 and up

CTS K04-X Hybrid Turbo Upgrade

ES#4365313 - CTS-TR-1070X - CTS K04-X Hybrid Turbo Upgrade - This turbo will support 400HP With proper tuning and supporting mods! - CTS - Audi

This turbo will support 400HP With proper tuning and supporting mods!

Brand:
CTS - Corporate Logo
ES#:
4365313
Mfg#:
CTS-TR-1070X
Ships in 8 Business Days
ON SALE! SAVE 10%
$1999.99

This product was last offered at the strikethrough price on
07-10-2026

$1799.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Hi-Volume Fuel Pump Upgrade Kit

ES#2226090 - 10-127-100K - Hi-Volume Fuel Pump Upgrade Kit - Flow Rates up to 50% higher on 2.0T FSI engines, easily installed during a cam follower service! - Autotech - Audi Volkswagen

Flow Rates up to 50% higher on 2.0T FSI engines, easily installed during a cam follower service!

Brand:
Autotech - Corporate Logo
ES#:
2226090
Mfg#:
10-127-100K
In Stock
$349.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Upgraded Aluminum Water Pump Kit with Tools

ES#4752748 - 06H121026DDKTKT5 - Upgraded Aluminum Water Pump Kit with Tools - Includes a new water pump, belt, aluminum thermostat/housing, temperature sensor, aluminum union piece, hardware, and the tools - Assembled By ECS - Audi Volkswagen

Includes a new water pump, belt, aluminum thermostat/housing, temperature sensor, aluminum union piece, hardware, and the tools 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
4752748
Mfg#:
06H121026DDKTKT5
In Stock
ON SALE! SAVE 21%
$398.99

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

$313.88 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Street Density Line Motor Mount Kit - 50 Durometer

ES#4491679 - 034-509-5036 - Street Density Line Motor Mount Kit - 50 Durometer - Void-free and fluid-free, eliminating the slop associated with the factory mounts - 034Motorsport - Audi

Void-free and fluid-free, eliminating the slop associated with the factory mounts

Brand:
034Motorsport - Corporate Logo
ES#:
4491679
Mfg#:
034-509-5036
In Stock
$449.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Knock Sensor - Green Connector

ES#2137093 - 054905377A - Knock Sensor - Green Connector - Detects engine ping for timing adjustment - Bosch - Audi Volkswagen

Detects engine ping for timing adjustment 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!
Please check connector color before ordering

Brand:
Bosch - Corporate Logo
ES#:
2137093
Mfg#:
054905377A
In Stock at Vendor
$42.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

VW/Audi Atmospheric Diverter Valve Spacer - Black

ES#3551283 - 021828ECS01-01 - VW/Audi Atmospheric Diverter Valve Spacer - Black - Let your turbo blow off some air for an exhilarating driving experience! - ECS - Audi Volkswagen

Let your turbo blow off some air for an exhilarating driving experience! 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
3551283
Mfg#:
021828ECS01-01
In Stock
ON SALE! SAVE 25%
$86.99

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

$65.24 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Billet Aluminum Rear Main Seal

ES#4370260 - 034-202-6003 - Billet Aluminum Rear Main Seal - Permanent fix for that leaking rear main seal - 034Motorsport - Audi Volkswagen

Permanent fix for that leaking rear main seal

Brand:
034Motorsport - Corporate Logo
ES#:
4370260
Mfg#:
034-202-6003
In Stock
$145.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Luft-Technik Intercooler Add-On Kit - B8 A4/A5 2.0T

ES#3108013 - 002894ECS01KT2 - Luft-Technik Intercooler Add-On Kit - B8 A4/A5 2.0T - Add the ECS Intercooler to your high flow charge pipe kit! - ECS - Audi

Add the ECS Intercooler to your high flow charge pipe kit! 10X Entries For Our 25th Anniversary Sweepstakes!
For use with the ECS Tuning High Flow Aluminum Charge Pipe Kit

Brand:
ECS - Corporate Logo
ES#:
3108013
Mfg#:
002894ECS01KT2
In Stock
ON SALE! SAVE 15%
$458.99

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

$390.14 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

VTA Performance Blow-Off Valve

ES#3617985 - T9451 - VTA Performance Blow-Off Valve - Direct-fit performance solution with aggressive blow-off sound - Go Fast Bits - Audi Volkswagen

Direct-fit performance solution with aggressive blow-off sound

Brand:
Go Fast Bits - Corporate Logo
ES#:
3617985
Mfg#:
T9451
In Stock
10% off MSRP

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

$229.99

This product was last offered at the strikethrough price on
07-21-2026

$206.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Pressure Control Valve (PCV) 06H103495AK

ES#3102255 - 06H103495AE - Pressure Control Valve (PCV) 06H103495AK - Also referred to as the breather valve or oil separator - Hamburg Tech - Audi

Also referred to as the breather valve or oil separator We Price Match - Give Us A Call or Chat!
Fits from production date 3/31/2012 - Please check existing part number before ordering

Brand:
Hamburg Tech - Corporate Logo
ES#:
3102255
Mfg#:
06H103495AE
In Stock
$72.99

This product was last offered at the strikethrough price on
06-10-2026

$69.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Timing Chain Kit - Select

ES#4623808 - CKS0229 - Timing Chain Kit - Select - Includes chains, tensioners, rails, timing covers, gasket sealant and necessary hardware - Rein - Audi Volkswagen

Includes chains, tensioners, rails, timing covers, gasket sealant and necessary hardware 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!
From production date 7/1/2013

Brand:
Rein - Corporate Logo
ES#:
4623808
Mfg#:
CKS0229
In Stock
$696.99

This product was last offered at the strikethrough price on
02-11-2026

$686.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Brisk Silver Racing ER10S Spark Plugs - Set Of Four

ES#3691031 - er10sKT - Brisk Silver Racing ER10S Spark Plugs - Set Of Four - Featuring silver fine wire center electrode - Superior ignition ability increases engine power! - Brisk - Audi Volkswagen

Featuring silver fine wire center electrode - Superior ignition ability increases engine power! Two heat ranges colder than stock with a non-projected tip

Brand:
Brisk - Corporate Logo
ES#:
3691031
Mfg#:
ER10SKT
In Stock
$47.99 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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