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Audi B5 A4 Quattro V6 30v

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Audi B5 A4 Quattro V6 30v Engine Parts & Accessories

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Expansion Tank Cap Seal

ES#2598146 - 1H0121687A - Expansion Tank Cap Seal - Seals the expansion tank cap to the reservoir. 28.5x3.8 - Vaico - Audi Volkswagen

Seals the expansion tank cap to the reservoir. 28.5x3.8 We Price Match - Give Us A Call or Chat!

Brand:
Vaico - Corporate Logo
ES#:
2598146
Mfg#:
1H0121687A
Ships in 2 Business Days
$3.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Drain Plug

ES#1306602 - N90813202 - Oil Drain Plug - Includes crush washer. M14x1.5 - OE Aftermarket - Audi Volkswagen

Includes crush washer. M14x1.5

Brand:
OE Aftermarket - Corporate Logo
ES#:
1306602
Mfg#:
N90813202
Ships in 1-2 days
$3.05 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Expansion Tank

ES#3412050 - 8D0121403D - Coolant Expansion Tank - Includes integrated coolant level sensor - Hudson - Audi

Includes integrated coolant level sensor Up to VIN 8D-W-007799, split is in the 1998 model year

Brand:
Hudson - Corporate Logo
ES#:
3412050
Mfg#:
8D0121403D
In Stock
$27.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Auxiliary Fan Blade

ES#2813132 - 078121301E - Auxiliary Fan Blade - For the belt driven auxiliary fan - Hamburg Tech - Audi Volkswagen

For the belt driven auxiliary fan We Price Match - Give Us A Call or Chat!

Brand:
Hamburg Tech - Corporate Logo
ES#:
2813132
Mfg#:
078121301E
Ships in 2 Business Days
$26.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Dowel Pin - Priced Each

ES#2539060 - 8D0805121 - Dowel Pin - Priced Each - Secures the belly pan to the vehicle. 6x18 - Vaico - Audi Volkswagen

Secures the belly pan to the vehicle. 6x18 We Price Match - Give Us A Call or Chat!

Brand:
Vaico - Corporate Logo
ES#:
2539060
Mfg#:
8D0805121
Ships in 4 Business Days
$9.99

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

$6.71 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

A/C Belt Tensioner

ES#5457103 - 058260511 - A/C Belt Tensioner - Keep your drive belt tight - Bremmen Parts - Audi Volkswagen

Keep your drive belt tight 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Bremmen Parts - Corporate Logo
ES#:
5457103
Mfg#:
058260511
In Stock
ON SALE! SAVE 15%
$30.99

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

$26.34 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Hall Sender - Priced Each

ES#3520837 - 058905161B - Hall Sender - Priced Each - Measures cam position and relays it to the ECU - Holstein - Audi Volkswagen

Measures cam position and relays it to the ECU

Brand:
Holstein - Corporate Logo
ES#:
3520837
Mfg#:
058905161B
Ships in 2 Business Days
$25.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Radiator Hose - Lower

ES#2802751 - 8D0121055E - Radiator Hose - Lower - Connects lower radiator port to the thermostat housing - Rein - Audi Volkswagen

Connects lower radiator port to the thermostat housing 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!
Engine code AHA up to VIN 8D-X-003500, split is in the 1999 model year

Brand:
Rein - Corporate Logo
ES#:
2802751
Mfg#:
8D0121055E
Ships in 4 Business Days
$25.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Expansion Tank

ES#2802911 - 8D0121403L - Coolant Expansion Tank - Includes integrated coolant level sensor, does not include cap - Rein - Audi Volkswagen

Includes integrated coolant level sensor, does not include cap 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!
From VIN 8D-W-007800, split is in the 1998 model year

Brand:
Rein - Corporate Logo
ES#:
2802911
Mfg#:
8D0121403L
Ships in 4 Business Days
$25.99 USD
Free Shipping
on orders $49 and up

Reduction Hose

ES#4699457 - 058133370A - Reduction Hose - Keep your engine running smooth - URO - Audi Volkswagen

Keep your engine running smooth 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
4699457
Mfg#:
058133370A
Ships in 2 Business Days
$25.99 USD
Free Shipping
on orders $49 and up

TITAN GT1 Engine Oil (5w-40) - 1 Liter

ES#3141473 - ZVW352540S - TITAN GT1 Engine Oil (5w-40) - 1 Liter - Premium engine oil for passenger vehicles - Fuchs - Audi Volkswagen

Premium engine oil for passenger vehicles

Brand:
Fuchs - Corporate Logo
ES#:
3141473
Mfg#:
ZVW352540S
Back Ordered
$13.99

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

$12.99 USD
Free Shipping
on orders $49 and up

Plastic Dowel Pin - Pack Of 25

Secures the belly pan to the fender liners 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Bremmen Parts - Corporate Logo
ES#:
4940358
Mfg#:
4A0805121A
Special Order: No Guaranteed ETA
ON SALE! SAVE 11%
$28.99

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

$25.70 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Relay Roller

ES#1306668 - 078109244H - Relay Roller - The idler pulley for the toothed timing belt - GMB - Audi Volkswagen

The idler pulley for the toothed timing belt

Brand:
GMB - Corporate Logo
ES#:
1306668
Mfg#:
078109244H
Ships in 2 Business Days
$25.99

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

$24.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Throttle Body Coolant Hose - Left

ES#283607 - 078121188 - Throttle Body Coolant Hose - Left - Connects the coolant pipe to the throttle body - Genuine Volkswagen Audi - Audi Volkswagen

Connects the coolant pipe to the throttle body Engine code AHA

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
283607
Mfg#:
078121188
Ships in 4 Business 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.

$28.99

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

$24.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Radiator Hose - Lower

ES#3463358 - 8D0121055T - Radiator Hose - Lower - Connects the lower radiator port to the thermostat housing - Hudson - Audi Volkswagen

Connects the lower radiator port to the thermostat housing From VIN 8D -X-003501, split is in the 1999 model year

Brand:
Hudson - Corporate Logo
ES#:
3463358
Mfg#:
8D0121055T
Ships in 4 Business Days
$24.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Temperature Sensor With O-Ring & Clip - 4 Pin

ES#2832 - 078919501BKT - Coolant Temperature Sensor With O-Ring & Clip - 4 Pin - Blue sensor with square connector. Please check existing sensor color - Vemo - Audi Volkswagen

<font color='blue'>Blue</font> sensor with square connector. Please check existing sensor color Up to VIN 8D-X-500000, split is in the 1999 model year

Brand:
Vemo - Corporate Logo
ES#:
2832
Mfg#:
078919501BKT
Ships on Feb 15, 2027
$24.99 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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