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Audi A4 Engine Parts & Accessories

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Rear Crankshaft Seal

ES#284264 - 079103051F - Rear Crankshaft Seal - Also referred to as the rear main seal - Genuine Volkswagen Audi - Audi Volkswagen

Also referred to as the rear main seal

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
284264
Mfg#:
079103051F
In Stock
$109.10 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Engine Mount - Right

ES#4475347 - 8R0199381AK - Engine Mount - Right - Eliminate excessive engine vibrations - URO - Audi

Eliminate excessive engine vibrations 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
4475347
Mfg#:
8R0199381AK
In Stock
$76.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

MAP Sensor

ES#275510 - 03C906051F - MAP Sensor - Manifold absolute pressure sensor, lets your ECU know how much air pressure is in your intake manifold - Genuine Volkswagen Audi - Audi Volkswagen

Manifold absolute pressure sensor, lets your ECU know how much air pressure is in your intake manifold

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
275510
Mfg#:
03C906051F
In Stock
Limited Qty Sale
$121.99

This product was last offered at the strikethrough price on
06-15-2026

$108.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Accessory Belt Tensioner

ES#2866291 - 06E903133R - Accessory Belt Tensioner - Keep your drive belt tight - Febi - Audi

Keep your drive belt tight 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Febi - Corporate Logo
ES#:
2866291
Mfg#:
06E903133R
In Stock at Vendor
$108.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Cooling Flange Replacement Kit

ES#2770995 - 06D121132CKT2 - Cooling Flange Replacement Kit - Cure the common coolant leak coming from the back of your engine compartment - Assembled By ECS - Audi

Cure the common coolant leak coming from the back of your engine compartment 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
2770995
Mfg#:
06D121132CKT2
In Stock
ON SALE! SAVE 26%
$48.99

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

$36.29 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Diverter Valve

ES#4818434 - 06A145710P - Diverter Valve - A great upgrade for stock to mildly tuned engines - Bremmen Parts - Audi Volkswagen

A great upgrade for stock to mildly tuned engines 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
4818434
Mfg#:
06A145710P
In Stock
ON SALE! SAVE 20%
$41.99

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

$33.45 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

TSI Billet Aluminum Fuel Rail & Installation Kit

ES#5341141 - 044784la01-02KT - TSI Billet Aluminum Fuel Rail & Installation Kit - Update & upgrade! Includes our exclusive billet aluminum fuel rail and all hardware needed for a comprehensive replacement. - ECS - Audi Volkswagen

Update & upgrade! Includes our exclusive billet aluminum fuel rail and all hardware needed for a comprehensive replacement. 10X Entries For Our 25th Anniversary Sweepstakes!
Up to the 2012 model year

Brand:
ECS - Corporate Logo
ES#:
5341141
Mfg#:
044784LA01-02KT
In Stock
ON SALE! SAVE 15%
$509.99

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

$433.49 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Oil Separator/PCV Emissions Service Kit

ES#5446825 - 06H103495AKKT - Oil Separator/PCV Emissions Service Kit - Everything you need to replace a faulty PCV or to perform some preventative maintenance - Hamburg Tech - Audi

Everything you need to replace a faulty PCV or to perform some preventative maintenance Fits from production date 3/31/2012 - Please check existing part number before ordering

Brand:
Hamburg Tech - Corporate Logo
ES#:
5446825
Mfg#:
06H103495AKKT
In Stock
$132.99

This product was last offered at the strikethrough price on
06-11-2026

$129.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Purge Valve with Hardware

ES#3102559 - 06E906517AKT - Purge Valve with Hardware - Common fix for error code DTC#P0441 - Assembled By ECS - Audi Volkswagen

Common fix for error code DTC#P0441 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
3102559
Mfg#:
06E906517AKT
In Stock
ON SALE! SAVE 12%
$39.99

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

$35.16 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

F21 Hybrid Turbocharger

ES#2840950 - f21l - F21 Hybrid Turbocharger - Complete bolt on Turbo upgrade includes exhaust manifold & Turbo inlet hose - FrankenTurbo - Audi

Complete bolt on Turbo upgrade includes exhaust manifold & Turbo inlet hose

Brand:
FrankenTurbo - Corporate Logo
ES#:
2840950
Mfg#:
F21L
Ships in 3 Business Days
$1299.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Diverter Valve Kit - Polished

ES#3499516 - FMDVMK7RC - Diverter Valve Kit - Polished - Cure your leaking valve problems for good! - Forge - Audi Volkswagen Porsche

Cure your leaking valve problems for good!

Brand:
Forge - Corporate Logo
ES#:
3499516
Mfg#:
FMDVMK7RC
Ships in 8 Business Days
$323.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Ignition Coils - Set Of Four

ES#258813 - 058AEBKT - Ignition Coils - Set Of Four - A common cure for misfire codes - Genuine Volkswagen Audi - Audi Volkswagen

A common cure for misfire codes

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
258813
Mfg#:
058AEBKT
In Stock
$646.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Intake Manifold Installation Kit

ES#2770043 - 06F129717DKT5 - Intake Manifold Installation Kit - Everything you need to remove and re-install your intake manifold - Assembled By ECS - Audi

Everything you need to remove and re-install your intake manifold 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
2770043
Mfg#:
06F129717DKT5
In Stock at Vendor
ON SALE! SAVE 24%
$189.29

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

$143.66 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Adjustable Fuel Pressure Regulator

ES#4158836 - 034-106-5015 - Adjustable Fuel Pressure Regulator - Works as a replacement for most Bosch fuel pressure regulators. Adjustable from 3.3-5 BAR - 034Motorsport - Audi Volkswagen

Works as a replacement for most Bosch fuel pressure regulators. Adjustable from 3.3-5 BAR

Brand:
034Motorsport - Corporate Logo
ES#:
4158836
Mfg#:
034-106-5015
Ships in 2 Business Days
$129.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Front Oxygen Sensor - Priced Each

ES#3678753 - 06L906262G - Front Oxygen Sensor - Priced Each - Keep your engine running efficiently - Genuine Volkswagen Audi - Audi

Keep your engine running efficiently

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3678753
Mfg#:
06L906262G
In Stock
ON SALE! SAVE 11%
$287.99

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

$256.99 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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