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Audi A4 Engine Parts & Accessories

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Thermostat

ES#281544 - 06J121113A - Thermostat - Keep your cooling system efficient with a new thermostat - Genuine Volkswagen Audi - Audi

Keep your cooling system efficient with a new thermostat For vehicles from production date 6/3/2012

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
281544
Mfg#:
06J121113A
Ships in 1 day
7% off MSRP

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

$178.99

This product was last offered at the strikethrough price on
08-30-2026

$166.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

N205 Valve

ES#3234821 - 06F109257A - N205 Valve - Valve that controls cam adjustment - Gates - Audi Volkswagen

Valve that controls cam adjustment

Brand:
Gates - Corporate Logo
ES#:
3234821
Mfg#:
06F109257A
Ships on Sep 18, 2026
$166.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Green Knock Sensor With Harness - 465mm

ES#2894890 - 06E905376A - Green Knock Sensor With Harness - 465mm - Detects engine ping for timing adjustment, 465mm length with green connector - Vemo - Audi Volkswagen

Detects engine ping for timing adjustment, 465mm length with green connector For cylinders 1-3

Brand:
Vemo - Corporate Logo
ES#:
2894890
Mfg#:
06E905376A
Ships in 1 Business Day
$170.00

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

$165.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Accessory Belt

ES#2681853 - 0019931896 - Accessory Belt - Keep your accessories working with a new drive belt. 21.36x2401 - Continental - Audi Mercedes Benz

Keep your accessories working with a new drive belt. 21.36x2401 We Price Match - Give Us A Call or Chat!

Brand:
Continental - Corporate Logo
ES#:
2681853
Mfg#:
0019931896
Ships on Nov 30, 2026
Auto Notify
$28.27 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Fuel Injector Installation Kit

ES#3659128 - 06j998907dKT1 - Fuel Injector Installation Kit - Includes everything required to replace the fuel injectors - Genuine Volkswagen Audi - Audi

Includes everything required to replace the fuel injectors

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3659128
Mfg#:
06J998907DKT1
In Stock
$164.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Return Line

ES#4298 - 06B145735F - Oil Return Line - Connects the turbocharger to the oil pan - Genuine Volkswagen Audi - Audi Volkswagen

Connects the turbocharger to the oil pan

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
4298
Mfg#:
06B145735F
Ships in 1 Business Day
52% off MSRP

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

$345.99

This product was last offered at the strikethrough price on
04-15-2026

$164.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Active Engine Mount Cancellation Kit

ES#4730404 - EBFI973801 - Active Engine Mount Cancellation Kit - Allows use of aftermarket engine mounts on vehicles equipped with active engine mounts without causing an error message. - Black Forest Industries - Audi

Allows use of aftermarket engine mounts on vehicles equipped with active engine mounts without causing an error message.

Brand:
Black Forest Industries - Corporate Logo
ES#:
4730404
Mfg#:
EBFI973801
In Stock
$54.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Accessory Belt

ES#2500803 - 06E903137AC - Accessory Belt - Keep your accessories working with a new drive belt. - Gates - Audi

Keep your accessories working with a new drive belt.

Brand:
Gates - Corporate Logo
ES#:
2500803
Mfg#:
06E903137AC
Ships in 1 Business Day
$54.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Timing Belt Tensioner

ES#2966566 - 06D109243B - Timing Belt Tensioner - Small tensioner located below the timing gear - Hamburg Tech - Audi Volkswagen

Small tensioner located below the timing gear We Price Match - Give Us A Call or Chat!

Brand:
Hamburg Tech - Corporate Logo
ES#:
2966566
Mfg#:
06D109243B
Ships in 1 Business Day
$54.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Timing Chain Guide Rail - Lower

ES#3151155 - 06K109509B - Timing Chain Guide Rail - Lower - Lower left rail on the small chain - Genuine Volkswagen Audi - Audi Volkswagen

Lower left rail on the small chain

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3151155
Mfg#:
06K109509B
In Stock
11% off MSRP

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

$36.99

This product was last offered at the strikethrough price on
08-30-2026

$32.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Engine Oil Dipstick Tube

ES#3190213 - 917-356 - Engine Oil Dipstick Tube - Seals the dipstick and keeps debris out - Dorman - Audi Volkswagen

Seals the dipstick and keeps debris out

Brand:
Dorman - Corporate Logo
ES#:
3190213
Mfg#:
917-356
Ships in 4 Business Days
$32.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Valve Cover Gasket Set - Priced Each

ES#252152 - 078198025 - Valve Cover Gasket Set - Priced Each - One side per set. Fits left and right side - Victor Reinz - Audi Volkswagen

One side per set. Fits left and right side

Brand:
Victor Reinz - Corporate Logo
ES#:
252152
Mfg#:
078198025
Ships in 2 Business Days
$32.36

This product was last offered at the strikethrough price on
08-01-2026

$27.46 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oxygen Sensor - Priced Each

ES#2613 - 078906265G - Oxygen Sensor - Priced Each - Keep your engine running efficiently, restore MPG, and clear check engine lights - Bosch - Audi

Keep your engine running efficiently, restore MPG, and clear check engine lights We Price Match - Give Us A Call or Chat!
For engine code AHA, fits right rear position

Brand:
Bosch - Corporate Logo
ES#:
2613
Mfg#:
078906265G
In Stock at Vendor
$164.49 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Washer - Priced Each

ES#251234 - N0152785 - Washer - Priced Each - Install new hardware with your new parts. 8x16x2 - Genuine Volkswagen Audi - Audi Volkswagen

Install new hardware with your new parts. 8x16x2 Engine code AWM from VIN 8D-1-042385, split is in th 2001 model year. Used in securing the tensioning roller

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
251234
Mfg#:
N0152785
In Stock
25% off MSRP

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

$3.99

This product was last offered at the strikethrough price on
08-30-2026

$2.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Injector Adapter Hat - Short To Tall Set Of 6

ES#4029660 - 034-106-3022-6 - Injector Adapter Hat - Short To Tall Set Of 6 - Includes injector o-ring seals. - 034Motorsport - Audi

Includes injector o-ring seals. 2X Entries Into Our F80 M3 Sweepstakes
For vehicles that use later style TT injectors for AEB applications.

Brand:
034Motorsport - Corporate Logo
ES#:
4029660
Mfg#:
034-106-3022-6
Ships in 2 Business Days
ON SALE! SAVE 15%
$96.00

This product was last offered at the strikethrough price on
08-17-2026

$82.08 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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