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Audi A4 Most Popular Parts

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Thermostat (87°C)

ES#544 - 050121113C - Thermostat (87C) - Prevent overheating and premature engine wear. Includes O-ring - Mahle-Behr - Audi Volkswagen

Prevent overheating and premature engine wear. Includes O-ring

Brand:
Mahle-Behr - Corporate Logo
ES#:
544
Mfg#:
050121113C
In Stock
$24.99

This product was last offered at the strikethrough price on
09-16-2026

$24.26 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Power Steering Pump - Includes Pulley

ES#5373974 - 5480N - Power Steering Pump - Includes Pulley - Brand new unit - No core charge - Atlantic Automotive Engineering - Audi

Brand new unit - No core charge

Brand:
Atlantic Automotive Engineering - Corporate Logo
ES#:
5373974
Mfg#:
5480N
In Stock
$185.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Combination Parking Brake Caliper Rear Brake Kit

Features 12.19" slotted rotors & red calipers - Provides balanced brake performance and style to compliment front big brake kits!

Brand:
Wilwood - Corporate Logo
ES#:
3701667
Mfg#:
140-14591-R
Ships in 10 Business Days
$1114.99 USD
This product is lifetime replacement eligible Lifetime Replacement

Cam Chain Tensioner - Cylinders 4-6 (Left)

ES#283445 - 078109087F - Cam Chain Tensioner - Cylinders 4-6 (Left) - Applies tension to the camshaft timing chain - Genuine Volkswagen Audi - Audi Volkswagen

Applies tension to the camshaft timing chain

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
283445
Mfg#:
078109087F
Ships in 7 Business Days
6% off MSRP

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

$1188.99

This product was last offered at the strikethrough price on
08-31-2026

$1113.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Accessory Belt Idler Pulley

ES#4830571 - 06E903341G - Accessory Belt Idler Pulley - Also referred to as the 'relay roller' - Bremmen Parts - Audi

Also referred to as the 'relay roller' 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Bremmen Parts - Corporate Logo
ES#:
4830571
Mfg#:
06E903341G
In Stock
ON SALE! SAVE 15%
$22.99

This product was last offered at the strikethrough price on
09-16-2026

$19.54 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Camshaft Adjuster Unit

ES#5445302 - 06F109088JKT - Camshaft Adjuster Unit - Includes the camshaft adjuster unit and the required replacement bolt to adjust exhaust camshaft valve timing. - Bremmen Parts - Audi Volkswagen

Includes the camshaft adjuster unit and the required replacement bolt to adjust exhaust camshaft valve timing. 10X Entries Into Our F80 M3 Sweepstakes
From VIN 8E-5-578001, split is in the 2005 model year

Brand:
Bremmen Parts - Corporate Logo
ES#:
5445302
Mfg#:
06F109088JKT
In Stock
ON SALE! SAVE 18%
$272.99

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

$222.70 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat (87°C)

ES#261231 - 050121113C - Thermostat (87C) - Prevent overheating and premature engine wear - Genuine Volkswagen Audi - Audi Volkswagen

Prevent overheating and premature engine wear

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
261231
Mfg#:
050121113C
In Stock
15% off MSRP

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

$61.99

This product was last offered at the strikethrough price on
10-01-2026

$52.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Turbo Oil Line Return Gasket

ES#2204488 - 06F145757L - Turbo Oil Line Return Gasket - Replacement gasket for the oil return line - Genuine Volkswagen Audi - Audi Volkswagen

Replacement gasket for the oil return line

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2204488
Mfg#:
06F145757L
In Stock
$4.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Pump Tensioner

ES#3220557 - 06H109507M - Oil Pump Tensioner - For the oil pump chain located at the bottom of the block - Bremmen Parts - Audi Volkswagen

For the oil pump chain located at the bottom of the block 10X Entries Into Our F80 M3 Sweepstakes

Up to production date 1/16/2012

Brand:
Bremmen Parts - Corporate Logo
ES#:
3220557
Mfg#:
06H109507M
In Stock
ON SALE! SAVE 21%
$29.99

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

$23.66 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

S4/S-Line Rear Bumper Cover - Primed

ES#453346 - 8K9807303BGRU - S4/S-Line Rear Bumper Cover - Primed - Restore your exterior or upgrade your look - Genuine Volkswagen Audi - Audi

Restore your exterior or upgrade your look For avant models without parking aid

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
453346
Mfg#:
8K9807303BGRU
Ships in 8 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.

$1235.00

This product was last offered at the strikethrough price on
08-31-2026

$1111.99 USD
This product is lifetime replacement eligible Lifetime Replacement

S4/S-Line Rear Bumper Cover - Primed

ES#2581133 - 8K9807303CGRU - S4/S-Line Rear Bumper Cover - Primed - Restore your exterior or upgrade your look - Genuine Volkswagen Audi - Audi

Restore your exterior or upgrade your look For avant models with parking aid

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2581133
Mfg#:
8K9807303CGRU
Ships in 7 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.

$1235.00

This product was last offered at the strikethrough price on
08-31-2026

$1111.99 USD
This product is lifetime replacement eligible Lifetime Replacement

17" Tarmac - Set Of Four

17"x7.5" ET40 5x112 - Gold

Brand:
fifteen52 - Corporate Logo
ES#:
4661082
Mfg#:
TARGG-77551+41KT
Ships in 1 Business Day
$1111.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Engine Oil Cooler

ES#2718706 - 06J117021J - Engine Oil Cooler - Lowers engine oil temperature - Nissens - Audi Volkswagen

Lowers engine oil temperature We Price Match - Give Us A Call or Chat!

Brand:
Nissens - Corporate Logo
ES#:
2718706
Mfg#:
06J117021J
Ships in 1 Business Day
$106.99

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

$100.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

ECS Tuning Timing Belt Kit - Ultimate Plus

ES#7443 - 078198674 - ECS Tuning Timing Belt Kit - Ultimate Plus - The most comprehensive timing belt kit on the market! Includes cam locking tool. - Assembled By ECS - Audi Volkswagen

The most comprehensive timing belt kit on the market! Includes cam locking tool. 10X Entries Into Our F80 M3 Sweepstakes
From VIN 8D-W-007799, split is in the 1998 model year

Brand:
Assembled By ECS - Corporate Logo
ES#:
7443
Mfg#:
078198674
Ships in 9 Business Days
ON SALE! SAVE 12%
$629.99

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

$555.25 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Fuel Rail

ES#281198 - 06F133317L - Fuel Rail - Distributes fuel to injectors - Genuine Volkswagen Audi - Audi Volkswagen

Distributes fuel to injectors

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
281198
Mfg#:
06F133317L
Ships in 1-2 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.

$238.99

This product was last offered at the strikethrough price on
08-26-2026

$221.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

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