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Audi A4 Engine Parts & Accessories

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Fuel Sticker

ES#435712 - 8E0010183T - Fuel Sticker - Located on the fuel filler neck - Genuine Volkswagen Audi - Audi

Located on the fuel filler neck

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
435712
Mfg#:
8E0010183T
Ships in 2 Business Days
10% off MSRP

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

$38.99

This product was last offered at the strikethrough price on
08-29-2026

$34.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat (87°C)

ES#3149390 - 050121113C - Thermostat (87C) - Prevent overheating and premature engine wear. Includes O-ring - Rein - Audi Volkswagen

Prevent overheating and premature engine wear. Includes O-ring 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
3149390
Mfg#:
050121113C
Ships in 1 Business Day
$20.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Water Pump Gasket

ES#283545 - 078121043A - Water Pump Gasket - Ensure a proper seal when installing a new water pump - Genuine Volkswagen Audi - Audi Volkswagen

Ensure a proper seal when installing a new water pump

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
283545
Mfg#:
078121043A
Ships in 2 Business Days
9% off MSRP

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

$22.99

This product was last offered at the strikethrough price on
08-29-2026

$20.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Three-Way Valve Housing

ES#258895 - 06A103247 - Three-Way Valve Housing - 'T' shaped connection below the intake manifold - Genuine Volkswagen Audi - Audi Volkswagen

'T' shaped connection below the intake manifold

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
258895
Mfg#:
06A103247
Ships in 4 Business Days
9% off MSRP

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

$22.99

This product was last offered at the strikethrough price on
08-29-2026

$20.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Engine Oil Fill Cap

ES#3189916 - 80989 - Engine Oil Fill Cap - Clean up your engine bay with a new cap - Dorman - Audi Volkswagen

Clean up your engine bay with a new cap

Brand:
Dorman - Corporate Logo
ES#:
3189916
Mfg#:
80989
Ships in 4 Business Days
$14.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Accessory Belt Idler Pulley

ES#3194492 - 06H903341D - Accessory Belt Idler Pulley - Also referred to as the 'relay roller' - URO - Audi

Also referred to as the 'relay roller' 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!
Up to the 2012 model year

Brand:
URO - Corporate Logo
ES#:
3194492
Mfg#:
06H903341D
Back Ordered
$14.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Combi Valve Inlet Hose

ES#4615941 - 06B133784R - Combi Valve Inlet Hose - Connects combi valve to air pump hose - URO - Audi Volkswagen

Connects combi valve to air pump hose 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
4615941
Mfg#:
06B133784R
Ships in 1 Business Day
$26.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Radiator Hose - Lower

ES#2731898 - 4B0121055J - Radiator Hose - Lower - Connects the lower radiator port to the water pump and expansion tank - Rein - Audi Volkswagen

Connects the lower radiator port to the water pump and expansion tank 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
2731898
Mfg#:
4B0121055J
Ships in 3 Business Days
$103.99 USD
Free Shipping
on orders $49 and up

Engine Mount - Right

ES#4685977 - 8E0199382AF - Engine Mount - Right - Eliminate excessive engine vibrations - URO - Audi

Eliminate excessive engine vibrations 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
4685977
Mfg#:
8E0199382AF
Ships in 1 Business Day
$103.99 USD
Free Shipping
on orders $49 and up

Engine Oil Cooler

ES#2561352 - 06D117021C - Engine Oil Cooler - Lowers engine oil temperature - Vemo - Audi Volkswagen

Lowers engine oil temperature

Brand:
Vemo - Corporate Logo
ES#:
2561352
Mfg#:
06D117021C
Ships in 1 Business Day
$106.99

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

$103.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Front Oxygen Sensor - Priced Each

Keep your engine running efficiently 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Bremmen Parts - Corporate Logo
ES#:
5470646
Mfg#:
1K0998262L
Ships on Dec 4, 2026
Auto Notify
ON SALE! SAVE 20%
$129.99

This product was last offered at the strikethrough price on
05-29-2026

$103.99 USD
This product is lifetime replacement eligible Lifetime Replacement

Water Pump

ES#2535060 - 078121006 - Water Pump - Featuring a metal impeller, includes O-Ring - URO - Audi Volkswagen

Featuring a metal impeller, includes O-Ring 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
2535060
Mfg#:
078121006
Ships in 1 Business Day
$51.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Vacuum Tank

ES#357507 - 443131541 - Vacuum Tank - Holds vacuum pressure - Genuine Volkswagen Audi - Audi Volkswagen

Holds vacuum pressure

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
357507
Mfg#:
443131541
Ships in 2 Business Days
9% off MSRP

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

$56.99

This product was last offered at the strikethrough price on
08-29-2026

$51.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Bolt - Priced Each

ES#468215 - N10451405 - Bolt - Priced Each - Install new hardware with your new parts. M6x16 - Genuine Volkswagen Audi - Audi Volkswagen

Install new hardware with your new parts. M6x16

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
468215
Mfg#:
N10451405
In Stock
$0.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Union Nut

ES#331120 - 321201375A - Union Nut - Secures the fuel pump assembly down to the fuel tank - Genuine Volkswagen Audi - Audi Volkswagen

Secures the fuel pump assembly down to the fuel tank

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
331120
Mfg#:
321201375A
Ships in 2 Business Days
7% off MSRP

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

$13.99

This product was last offered at the strikethrough price on
08-29-2026

$12.99 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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