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Audi A4 Most Popular Parts

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ES#3537594 - 191959481 - Fan Switch - 2-Pin (84C-95C) - Mounts on radiator to determine coolant temperature for fan operation - URO - Audi Volkswagen

Mounts on radiator to determine coolant temperature for fan operation 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
3537594
Mfg#:
191959481
Ships in 1 Business Day
$10.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2576008 - COn023 - TSI No-Buzz Boost Tap Kit - Specifically designed for the TSI, a must for any boost gauge installation - New South Performance - Audi Volkswagen

Specifically designed for the TSI, a must for any boost gauge installation

Brand:
New South Performance - Corporate Logo
ES#:
2576008
Mfg#:
CON023
Ships on Dec 3, 2026
$15.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4441139 - 8W0945105AC - Bumper Reflector - Left - Found in the left side of the GLI rear bumper - Genuine Volkswagen Audi - Audi

Found in the left side of the GLI rear bumper

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
4441139
Mfg#:
8W0945105AC
In Stock
14% off MSRP

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

$34.99

This product was last offered at the strikethrough price on
05-11-2026

$29.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2718588 - 4D0422821A - Inner Tie Rod - Priced Each - Fits the left and right side - TRW - Audi Volkswagen

Fits the left and right side

Brand:
TRW - Corporate Logo
ES#:
2718588
Mfg#:
4D0422821A
In Stock
$29.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4159254 - 078103245E - Crankcase Ventilation Valve - "PCV" valve - Hamburg Tech - Audi Volkswagen

"PCV" valve We Price Match - Give Us A Call or Chat!

Brand:
Hamburg Tech - Corporate Logo
ES#:
4159254
Mfg#:
078103245E
Ships in 1 Business Day
$29.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2816319 - 8D1819030B - Heater Core - Stop coolant loss and cure a fogged windshield - Hamburg Tech - Audi Volkswagen

Stop coolant loss and cure a fogged windshield We Price Match - Give Us A Call or Chat!

Brand:
Hamburg Tech - Corporate Logo
ES#:
2816319
Mfg#:
8D1819030B
Ships in 1 Business Day
$29.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#5374950 - 078103223B - Crankcase Breather Hose - Small "S" breather hose that runs on the backside of the intake manifold - Hamburg Tech - Audi Volkswagen

Small "S" breather hose that runs on the backside of the intake manifold

Brand:
Hamburg Tech - Corporate Logo
ES#:
5374950
Mfg#:
078103223B
Ships in 1 Business Day
$29.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2813081 - 06F129101N - Pressure Control Valve (PCV) - Also called the "breather valve" or "oil separator" - Hamburg Tech - Audi Volkswagen

Also called the "breather valve" or "oil separator" We Price Match - Give Us A Call or Chat!
Up to production date 12/16/2005

Brand:
Hamburg Tech - Corporate Logo
ES#:
2813081
Mfg#:
06F129101N
Ships in 1 Business Day
$29.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3521242 - 8E0927803B - Front ABS Sensor - Priced Each - Fits the left and right side - Holstein - Audi

Fits the left and right side

Brand:
Holstein - Corporate Logo
ES#:
3521242
Mfg#:
8E0927803B
Ships in 1 Business Day
$29.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Located on the lower radiator hose connection

Brand:
Facet - Corporate Logo
ES#:
4045813
Mfg#:
8D0959481B
Ships in 1 Business Day
$32.99

This product was last offered at the strikethrough price on
07-15-2026

$29.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Monitors coolant temperature for fan control & gauge readings 2-pin temperature sensor located in lower radiator hose

Brand:
Four Seasons - Corporate Logo
ES#:
4057463
Mfg#:
06A919501A
Ships in 1 Business Day
$31.99

This product was last offered at the strikethrough price on
08-23-2026

$29.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Also known as the RPM or speed sensor We Price Match - Give Us A Call or Chat!
For vehicles with AEB or ATW engine codes only.

Brand:
Hamburg Tech - Corporate Logo
ES#:
2815902
Mfg#:
50906433
Ships in 1 Business Day
$29.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3202693 - 8K0819439B - Charcoal Lined Cabin Filter / Fresh Air Filter - The activated charcoal filters odor from reaching the cabin - Corteco - Audi Porsche

The activated charcoal filters odor from reaching the cabin

Brand:
Corteco - Corporate Logo
ES#:
3202693
Mfg#:
8K0819439B
Ships in 1-2 days
$35.99

This product was last offered at the strikethrough price on
08-13-2026

$29.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4172199 - 06Q103485D - Oil Cap  - Clean up your engine bay with a new engine oil fill cap - Genuine Volkswagen Audi - Audi Volkswagen

Clean up your engine bay with a new engine oil fill cap For vehicles from the 2021 model year only.

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
4172199
Mfg#:
06Q103485D
Ships in 1-2 days
17% off MSRP

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

$35.99

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

$29.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#1904651 - 8K0820536D - Ambient Temperature Sensor Bracket  - Located behind the front bumper cover - Genuine Volkswagen Audi - Audi

Located behind the front bumper cover

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
1904651
Mfg#:
8K0820536D
Ships in 1-2 days
14% off MSRP

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

$34.99

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

$29.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#248418 - 8e0121101 - Upper Radiator Hose - Connects the upper radiator to the expansion tank and thermostat housing - Hutchinson Worldwide - Audi

Connects the upper radiator to the expansion tank and thermostat housing

Brand:
Hutchinson Worldwide - Corporate Logo
ES#:
248418
Mfg#:
8E0121101
Ships in 1-2 days
$29.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

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