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Audi A4 Engine Parts & Accessories

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Mounting point for electrical relays Up to the 2012 model year

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
452998
Mfg#:
8K1937503
Ships in 1-2 days
13% off MSRP

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

$59.99

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

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

Includes Audi rings and connector bushings

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3549259
Mfg#:
06L103925M
Ships in 1-2 days
8% off MSRP

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

$338.34

This product was last offered at the strikethrough price on
11-06-2026

$311.95 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

New alternator with no core charge For vehicles with Valeo style alternators

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
4625401
Mfg#:
06L903024K
Ships in 1-2 days
11% off MSRP

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

$672.99

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

$599.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3550012
Mfg#:
06E905377K
Ships in 1-2 days
13% off MSRP

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

$143.99

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

$124.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Includes the throttle sensor For vehicles with engine codes DMSA only

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
4266381
Mfg#:
06N133062B
Ships in 1-2 days
12% off MSRP

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

$428.99

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

$375.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Connects the positive (+) side of the battery to the power distribution block

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
453044
Mfg#:
8K1971225H
Ships in 1-2 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.

$480.99

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

$432.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Return Line

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3211768
Mfg#:
06L121492R
Ships in 1-2 days
12% 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
08-31-2026

$156.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Genuine replacement turbo For "40 TFSI" models from the 2021 model year only

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
4305867
Mfg#:
06N145701D
Ships in 1-2 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.

$1442.99

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

$1360.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Regain lost compression with new piston rings, kit services one piston

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
4172188
Mfg#:
06N198151
Ships in 1-2 days
12% off MSRP

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

$246.99

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

$216.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Everything you need to replace a faulty PCV or to perform some preventative maintenance For vehicles with DPAA engine codes (2021+)

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
4829949
Mfg#:
06Q103495BKT
Ships in 1-2 days
$393.99

This product was last offered at the strikethrough price on
08-04-2026

$388.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Includes sealing O-Ring From VIN 8D-X-315001, split is in the 1999 model year

Brand:
Hudson - Corporate Logo
ES#:
3139068
Mfg#:
078121113G
Ships in 1-2 days
$17.99 USD
This product is lifetime replacement eligible Lifetime Replacement

Common fix for error code DTC#P0441

Brand:
Hudson - Corporate Logo
ES#:
5444697
Mfg#:
06E906517A
Ships in 1-2 days
$29.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Replace your dry, brittle, or leaking factory upper radiator hose with this high-quality replacement.

Brand:
Hudson - Corporate Logo
ES#:
5516653
Mfg#:
8W0122101BHH
Ships in 1-2 days
$60.99 USD

Plastic pressure cap for expansion tank

Brand:
Hudson - Corporate Logo
ES#:
3463373
Mfg#:
8E0121321
Ships in 1-2 days
$5.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Prevent overheating and premature engine wear Up to VIN 8D-X-315000, split is in the 1999 model year

Brand:
Hudson - Corporate Logo
ES#:
3139067
Mfg#:
078121113FOE
Ships in 1-2 days
$15.99 USD
This product is lifetime replacement eligible Lifetime Replacement

Also referred to as the intercooler

Brand:
Hudson - Corporate Logo
ES#:
4846333
Mfg#:
8W0145805AD
Ships in 1-2 days
$198.00 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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