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Audi B5 A4 FWD V6 12v Engine Parts & Accessories

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ES#6957 - 075121113D 71D - Thermostat - 71C - Keep your engine running cooler for more power - Mahle-Behr - Audi Volkswagen

Keep your engine running cooler for more power Lower temperature thermostat than factory - OE is 87°C

Brand:
Mahle-Behr - Corporate Logo
ES#:
6957
Mfg#:
075121113D 71D
Ships in 6 Business Days
$30.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#302264 - 1H0121687A - Expansion Tank Cap Seal - Seals the expansion tank cap to the reservoir. 28.5x3.8 - Genuine Volkswagen Audi - Audi Volkswagen

Seals the expansion tank cap to the reservoir. 28.5x3.8

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
302264
Mfg#:
1H0121687A
In Stock
$6.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#240527 - 078133471ax - Mass Air Flow Sensor (MAF) - Remanufactured - Restore lost MPGS and clear codes. - Hitachi - Audi

Restore lost MPGS and clear codes.

Brand:
Hitachi - Corporate Logo
ES#:
240527
Mfg#:
078133471AX
In Stock
ON SALE! SAVE 10%
$318.99

This product was last offered at the strikethrough price on
11-07-2026

$287.09 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4023579 - 80238000488 - GT1 PRO C-3 Engine Oil (5w-30) - 5 Liter - High performance engine oil for passenger vehicles - Fuchs - Audi Volkswagen

High performance engine oil for passenger vehicles

Brand:
Fuchs - Corporate Logo
ES#:
4023579
Mfg#:
80238000488
Ships in 1-2 days
$70.99 USD
Free Shipping
on orders $49 and up
ES#2709040 - 3B0121321 - Expansion Tank Cap - Keep proper pressure in your coolant system - URO - Audi Volkswagen

Keep proper pressure in your coolant system 2X Entries Into Our F80 M3 Sweepstakes 2X Entries For Our Spin To Win Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
2709040
Mfg#:
3B0121321
In Stock
$5.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#466261 - N0138492 - Copper Washer - priced each - Replace with every oil service to prevent leaks. M14x20x1.5 - Genuine Volkswagen Audi - Audi Volkswagen

Replace with every oil service to prevent leaks. M14x20x1.5

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
466261
Mfg#:
N0138492
In Stock
$4.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3141551 - 5W405LITERF - SUPERSYN Engine Oil (5w-40) - 5 Liter - High performance synthetic oil - Fuchs - Audi Volkswagen

High performance synthetic oil

Brand:
Fuchs - Corporate Logo
ES#:
3141551
Mfg#:
5W405LITERF
Back Ordered
$47.99 USD
Free Shipping
on orders $49 and up
ES#4305159 - PFF3-220 - Performance Snub Mount - Street  - Put your power to the ground! - Powerflex - Audi Volkswagen

Put your power to the ground! 2X Entries For Our Spin To Win Sweepstakes!

Brand:
Powerflex - Corporate Logo
ES#:
4305159
Mfg#:
PFF3-220
In Stock
$34.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2250 - 06A103385A - Cylinder Head Bolt - Priced Each (M10x1.5x115) - Ten required, uses a poly drive socket - Victor Reinz - Audi Volkswagen

Ten required, uses a poly drive socket Fits only the following engine codes:AWM & AUG

Brand:
Victor Reinz - Corporate Logo
ES#:
2250
Mfg#:
06A103385A
Ships in 1 Business Day
$50.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#6566 - N10354602 - Torx Screw - Priced Each - Install new hardware with your new parts. M5x16 - Genuine Volkswagen Audi - Audi Volkswagen

Install new hardware with your new parts. M5x16 Secure the a/c condenser fan to the bracket

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
6566
Mfg#:
N10354602
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.

$3.03

This product was last offered at the strikethrough price on
10-26-2026

$2.59 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2813133 - 078121350A - Auxiliary Fan Clutch - Common cause of overheating issues - Hamburg Tech - Audi Volkswagen

Common cause of overheating issues We Price Match - Give Us A Call or Chat!

Brand:
Hamburg Tech - Corporate Logo
ES#:
2813133
Mfg#:
078121350A
Ships in 1 Business Day
$62.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3149801 - 078105251Q - Crankshaft Pulley OE# 078105251Q - Reduces vibrations and drives the accessory belt - Vaico - Audi Volkswagen

Reduces vibrations and drives the accessory belt We Price Match - Give Us A Call or Chat!

Brand:
Vaico - Corporate Logo
ES#:
3149801
Mfg#:
078105251Q
Ships in 1 Business Day
$123.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#422162 - 811807577C - Expanding Nut - Priced Each - Install new hardware with your new parts. - Genuine Volkswagen Audi - Audi Volkswagen

Install new hardware with your new parts. Used in securing the coolant expansion tank

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
422162
Mfg#:
811807577C
In Stock
$2.09 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4661036 - 6PK1885 - Performance Kevlar Reinforced Accessory Belt - Our Red Kevlar accessory Belts are both an aesthetic improvement and a performance alternative to a traditional belt. - ECS - Audi Volkswagen
ECS Tuning recommends this product.

Our Red Kevlar accessory Belts are both an aesthetic improvement and a performance alternative to a traditional belt. 10X Entries Into Our F80 M3 Sweepstakes 10X Entries For Our Spin To Win Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4661036
Mfg#:
6PK1885
In Stock
ON SALE!
$35.99

This product was last offered at the strikethrough price on
11-10-2026

$34.91 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.

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