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Audi B6 A4 Quattro V6 30v Engine Parts & Accessories

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ES#4151834 - 8E0121101R - Radiator Hose - Upper - Connects the upper radiator port to the expansion tank and hard water pipe - Rein - Audi

Connects the upper radiator port to the expansion tank and hard water pipe 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
4151834
Mfg#:
8E0121101R
Ships in 4 Business Days
$31.99

This product was last offered at the strikethrough price on
10-06-2026

$22.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4039279 - 06E121045E - Cylinder Head Coolant Pipe - Coolant supply pipe for the cylinder heads - Vaico - Audi

Coolant supply pipe for the cylinder heads We Price Match - Give Us A Call or Chat!

Brand:
Vaico - Corporate Logo
ES#:
4039279
Mfg#:
06E121045E
Ships in 1 Business Day
$149.99

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

$145.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3173640 - 06F103235A - PCV Breather Hose - Connects the PCV valve to oil filter adapter - Rein - Audi Volkswagen

Connects the PCV valve to oil filter adapter 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
3173640
Mfg#:
06F103235A
In Stock
$30.99

This product was last offered at the strikethrough price on
10-22-2026

$30.09 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4620718 - CTS-ACC-005 - CTS Billet Washer Fluid Cap - Lose the plastic! - CTS - Audi Volkswagen

Lose the plastic!

Brand:
CTS - Corporate Logo
ES#:
4620718
Mfg#:
CTS-ACC-005
In Stock
ON SALE! SAVE 15%
$69.99

This product was last offered at the strikethrough price on
09-29-2026

$59.49 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#261694 - 1K0955455 - Washer Fluid Reservoir Cap - Keep your washer fluid free from debris - Genuine Volkswagen Audi - Audi Volkswagen

Keep your washer fluid free from debris

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
261694
Mfg#:
1K0955455
In Stock
5% off MSRP

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

$21.99

This product was last offered at the strikethrough price on
07-06-2026

$20.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2878592 - 06F129101Pkit - Emissions Service Kit - Everything you need to service your PCV system - Vaico - Audi Volkswagen

Everything you need to service your PCV system We Price Match - Give Us A Call or Chat!

Brand:
Vaico - Corporate Logo
ES#:
2878592
Mfg#:
06F129101PKIT
In Stock
$236.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#523306 - 06C121004H - Water Pump - With Gasket - With a long lasting metal impeller to prevent coolant overheating - Geba - Audi

With a long lasting metal impeller to prevent coolant overheating

Brand:
Geba - Corporate Logo
ES#:
523306
Mfg#:
06C121004H
Ships in 4 Business Days
$78.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4690591 - RF100026 - APR High Flow Intake Filter - Flow-bench optimized to provide maximum performance with your factory intake system! - APR - Audi

Flow-bench optimized to provide maximum performance with your factory intake system! Call In Or Chat For Best Price!

Brand:
APR - Corporate Logo
ES#:
4690591
Mfg#:
RF100026
In Stock
12% off MSRP

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

$66.99

This product was last offered at the strikethrough price on
11-02-2026

$58.99 USD
Free Shipping

Comes with everything you need to replace your incredibly heavy, OEM battery with a lightweight battery and relocate it to the trunk of your B6-B7 S4 or A4!

Brand:
JH Motorsports  - Corporate Logo
ES#:
4045942
Mfg#:
B67BATTRELO
Ships in 10 Business Days
$699.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2702651 - 8E0863821ALKT1 - Belly Pan & Installation Hardware Kit - Includes a replacement belly pan with all necessary mounting hardware - Genuine Volkswagen Audi - Audi

Includes a replacement belly pan with all necessary mounting hardware

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2702651
Mfg#:
8E0863821ALKT1
Ships in 5 Business Days
$699.99 USD
This product is lifetime replacement eligible Lifetime Replacement
ES#248399 - N138492alu10PACK - Aluminum Drain Plug Washer - Pack Of 10 - Replace with every oil service to prevent leaks. M14x20x1.5 - Elring - Audi Volkswagen

Replace with every oil service to prevent leaks. M14x20x1.5 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Elring - Corporate Logo
ES#:
248399
Mfg#:
N138492ALU10PACK
In Stock
$29.99

This product was last offered at the strikethrough price on
07-06-2026

$22.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4818590 - 1C0906517A - Purge Valve - Common cure for DTC P0441 - Bremmen Parts - Audi Volkswagen Porsche

Common cure for DTC P0441 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Bremmen Parts - Corporate Logo
ES#:
4818590
Mfg#:
1C0906517A
In Stock
ON SALE!
$31.19 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3199853 - 8E0121101J - Radiator Hose - Upper - Runs from the radiator to the water pipe and expansion tank. - Vaico - Audi

Runs from the radiator to the water pipe and expansion tank. We Price Match - Give Us A Call or Chat!
Up to VIN 8E-5-125,000, split is in the model year 2005

Brand:
Vaico - Corporate Logo
ES#:
3199853
Mfg#:
8E0121101J
Ships in 1 Business Day
$269.99

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

$136.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3200315 - 06D117021C - Engine Oil Cooler - Lowers engine oil temperature - URO - Audi Volkswagen

Lowers engine oil temperature 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
3200315
Mfg#:
06D117021C
In Stock
$67.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3536253 - 06D145778C - Turbocharger Oil Line (Feed) - Rein - Audi

2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
3536253
Mfg#:
06D145778C
In Stock
$96.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#275364 - 038919081M - Oil Pressure Switch - Located on top of the oil filter adapter - Genuine Volkswagen Audi - Audi Volkswagen

Located on top of the oil filter adapter Grey switch, 0.75-1.05 BAR

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
275364
Mfg#:
038919081M
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.

$55.99

This product was last offered at the strikethrough price on
10-05-2026

$47.99 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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