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Audi A4 Engine Parts & Accessories

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Purge Valve

Common fix for error code DTC#P0441

Brand:
SMP - Corporate Logo
ES#:
4138973
Mfg#:
06E906517A
In Stock at Vendor
$21.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

EGR Valve Adapter Gasket

ES#280271 - 06C131120A - EGR Valve Adapter Gasket - Gasket between adapter and cylinder head - Genuine Volkswagen Audi - Audi

Gasket between adapter and cylinder head

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
280271
Mfg#:
06C131120A
Ships in 1-2 days
12% off MSRP

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

$24.99

This product was last offered at the strikethrough price on
08-14-2026

$21.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Throttle Body Coolant Hose - left

ES#283609 - 078121188B - Throttle Body Coolant Hose - left - Connects the coolant pipe to the throttle body - Genuine Volkswagen Audi - Audi Volkswagen

Connects the coolant pipe to the throttle body Engine code ATQ

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
283609
Mfg#:
078121188B
Ships in 3 Business Days
12% off MSRP

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

$24.99

This product was last offered at the strikethrough price on
08-14-2026

$21.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat - 80°C

ES#3149471 - 075121113D - Thermostat - 80C - Does not include sealing O-Ring - Wahler - Audi Volkswagen

Does not include sealing O-Ring Lower temperature thermostat, stock is 87°C

Brand:
Wahler - Corporate Logo
ES#:
3149471
Mfg#:
075121113D
Ships on Sep 9, 2026
$21.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Expansion Tank Cap

ES#2872480 - 8E0121321 - Expansion Tank Cap - Plastic pressure cap for expansion tank - Febi - Audi

Plastic pressure cap for expansion tank 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Febi - Corporate Logo
ES#:
2872480
Mfg#:
8E0121321
In Stock at Vendor
$11.99

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

$10.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Breather Hose

ES#2801688 - 06B133783BC - Breather Hose - Connects the suction jet pump to the intake manifold - Rein - Audi Volkswagen

Connects the suction jet pump to the intake manifold 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!
Engine codes ATW & AWM

Brand:
Rein - Corporate Logo
ES#:
2801688
Mfg#:
06B133783BC
Ships in 1 Business Day
$10.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Cooler Hose - Supply

ES#3194961 - 058121058R - Oil Cooler Hose - Supply - Connects the oil cooler to the hard water pipe - Vaico - Audi Volkswagen

Connects the oil cooler to the hard water pipe We Price Match - Give Us A Call or Chat!
From VIN 8D-X-200001, split is in the 1999 model year

Brand:
Vaico - Corporate Logo
ES#:
3194961
Mfg#:
058121058R
In Stock at Vendor
$10.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

ECS Underdrive Crank Pulley A/C Belt

ES#556 - 4PK-0815 - ECS Underdrive Crank Pulley A/C Belt - Stay cool with a new belt - Bando - Audi Volkswagen

Stay cool with a new belt For use with the ECS Underdrive Crank Pulley

Brand:
Bando - Corporate Logo
ES#:
556
Mfg#:
4PK-0815
Ships in 1-2 days
$10.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Drain Plug

ES#1306602 - N90813202 - Oil Drain Plug - Includes crush washer. M14x1.5 - OE Aftermarket - Audi Volkswagen

Includes crush washer. M14x1.5

Brand:
OE Aftermarket - Corporate Logo
ES#:
1306602
Mfg#:
N90813202
Ships in 1-2 days
$3.05 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Belly Pan Clip - Pack Of 25

ES#4940289 - 4A0805163 - Belly Pan Clip - Pack Of 25 - Used in securing the belly pan to the fender liners - Bremmen Parts - Audi Volkswagen

Used in securing the belly pan to the fender liners 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
4940289
Mfg#:
4A0805163
Special Order: No Guaranteed ETA
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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

Igntion Coil - Priced Each

ES#205120 - 06c905115l - Igntion Coil - Priced Each - One coil per cylinder - Bremi - Audi

One coil per cylinder

Brand:
Bremi - Corporate Logo
ES#:
205120
Mfg#:
06C905115L
Ships in 2 Business Days
$23.79

This product was last offered at the strikethrough price on
04-09-2026

$21.02 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Silicone Breather Hose

ES#2966843 - 034-104-2001 - Silicone Breather Hose - Connects the PVC to the metal vent tube - 034Motorsport - Audi

Connects the PVC to the metal vent tube

Brand:
034Motorsport - Corporate Logo
ES#:
2966843
Mfg#:
034-104-2001
Ships in 2 Business Days
$21.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Spark Plug Tube Seal

ES#280611 - 06E103649A - Spark Plug Tube Seal - Should be replaced whenever the valve cover is removed - Genuine Volkswagen Audi - Audi

Should be replaced whenever the valve cover is removed

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
280611
Mfg#:
06E103649A
Ships in 1-2 days
12% off MSRP

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

$23.99

This product was last offered at the strikethrough price on
08-14-2026

$21.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Crankcase Breather Tube

ES#4810750 - 058103213 - Crankcase Breather Tube - Connects the breather assembly to the three-way valve housing - Rein - Audi Volkswagen

Connects the breather assembly to the three-way valve housing 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
4810750
Mfg#:
058103213
Ships in 3 Business Days
$20.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

PNP Relay

ES#2709335 - 3A0927181 - PNP Relay - Park/Neutral position relay - URO - Audi Volkswagen

Park/Neutral position relay 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
2709335
Mfg#:
3A0927181
Ships in 1 Business Day
$20.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Cooler Gasket

Seals the connection between the oil cooler and the engine 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Elring - Corporate Logo
ES#:
4044987
Mfg#:
06E117070D
In Stock at Vendor
$21.99

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

$20.99 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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