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Audi B5 A4 Quattro 1.8T

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Audi B5 A4 Quattro 1.8T Engine Parts & Accessories

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Radiator Hose - Lower

ES#3463131 - 4B0121055F - Radiator Hose - Lower - Connects the lower radiator port to the water pump and expansion tank - Hudson - Audi Volkswagen

Connects the lower radiator port to the water pump and expansion tank affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
From VIN 8D-Y-120001, split is in the 2000 model year

Brand:
Hudson - Corporate Logo
ES#:
3463131
Mfg#:
4B0121055F
In Stock
ON SALE! SAVE 36%
$41.99

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

$26.84 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Silicone Breather Hose

ES#2966844 - 034-101-3025 - Silicone Breather Hose - 'L' shaped hose attached to the bleeder valve under the intake manifold - 034Motorsport - Audi

'L' shaped hose attached to the bleeder valve under the intake manifold affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Engine code AEB with manual transmissions

Brand:
034Motorsport - Corporate Logo
ES#:
2966844
Mfg#:
034-101-3025
Ships in 2 Business Days
$26.00 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 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
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 3 Business Days
$25.99 USD
Free Shipping
on orders $49 and up

Thermostat (87°C)

ES#3149450 - 050121113C - Thermostat (87C) - Prevent overheating and premature engine wear - Wahler - Audi Volkswagen

Prevent overheating and premature engine wear affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Wahler - Corporate Logo
ES#:
3149450
Mfg#:
050121113C
Ships on Jul 8, 2026
$25.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Auxiliary Fan Blade

ES#2911 - 058121301B - Auxiliary Fan Blade - For the belt driven auxiliary fan - Meyle - Audi Volkswagen

For the belt driven auxiliary fan affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Meyle - Corporate Logo
ES#:
2911
Mfg#:
058121301B
Ships on Oct 22, 2026
$25.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Breather Hose

ES#4070822 - 06B133783BC - Breather Hose - Connects the suction jet pump to the intake manifold - Vaico - Audi Volkswagen

Connects the suction jet pump to the intake manifold affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!
Engine codes ATW & AWM

Brand:
Vaico - Corporate Logo
ES#:
4070822
Mfg#:
06B133783BC
In Stock at Vendor
$12.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Multipurpose Relay - Priced Each

Replacement 4 pin relay affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Used for fan control

Brand:
Wehrle - Corporate Logo
ES#:
3437884
Mfg#:
4H0951253
In Stock at Vendor
$12.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Securing Clip

ES#469807 - N90431401 - Securing Clip - Secures the connecting rod to the vacuum actuator - Genuine Volkswagen Audi - Audi

Secures the connecting rod to the vacuum actuator affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Engine code AEB up to VIN 8D-X-199999, split is in the 1999 model year

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
469807
Mfg#:
N90431401
Back Ordered
7% off MSRP

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

$13.99

This product was last offered at the strikethrough price on
06-13-2026

$12.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Plastic Dowel Pin - Pack Of 25

Secures the belly pan to the fender liners affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
4940358
Mfg#:
4A0805121A
Special Order: No Guaranteed ETA
Auto Notify
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

Purge Valve

ES#2814234 - 1C0906517A - Purge Valve - Common cure for DTC P0441 - Hamburg Tech - Audi Volkswagen

Common cure for DTC P0441 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Hamburg Tech - Corporate Logo
ES#:
2814234
Mfg#:
1C0906517A
Ships in 1 Business Day
$35.99

This product was last offered at the strikethrough price on
01-25-2026

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

Breather Hose

ES#2878431 - 058103493A - Breather Hose - Connects the PVC to the metal vent tube - Vaico - Audi Volkswagen

Connects the PVC to the metal vent tube affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Vaico - Corporate Logo
ES#:
2878431
Mfg#:
058103493A
In Stock at Vendor
$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

Engine Mount - Right

ES#2187550 - 8D0199382L - Engine Mount - Right - Reduce excessive engine vibrations - URO - Audi Volkswagen

Reduce excessive engine vibrations affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
2187550
Mfg#:
8D0199382L
Back Ordered
$24.99 USD
Free Shipping
on orders $49 and up

Coolant Expansion Tank

ES#2816256 - 8D0121403D - Coolant Expansion Tank - Includes integrated coolant level sensor - Hamburg Tech - Audi

Includes integrated coolant level sensor affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!
Up to VIN 8D-W-007799, split is in the 1998 model year

Brand:
Hamburg Tech - Corporate Logo
ES#:
2816256
Mfg#:
8D0121403D
Ships in 1 Business Day
$24.95 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Snub Mount - Priced Each

ES#2627344 - 8D0199339P - Snub Mount - Priced Each - Reduce excessive engine vibrations - Rein - Audi Volkswagen

Reduce excessive engine vibrations affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
2627344
Mfg#:
8D0199339P
Back Ordered
$8.15 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Fuel Injector O-Ring Set

ES#2953779 - 035906149A1KT - Fuel Injector O-Ring Set - A complete set of upper and lower o-rings. 7.52x3.53 - Hamburg Tech - Audi Volkswagen

A complete set of upper and lower o-rings. 7.52x3.53 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!
Engine codes AEB & AWM

Brand:
Hamburg Tech - Corporate Logo
ES#:
2953779
Mfg#:
035906149A1KT
In Stock
$24.40 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Sealing Washer - Priced Each

ES#4305465 - N0138128 - Sealing Washer - Priced Each - Install new hardware with your new parts. 12x15.5x1.5 - Fischer and Plath - Audi Volkswagen

Install new hardware with your new parts. 12x15.5x1.5 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Seals the supply line from the fuel filter to the engine. Two required

Brand:
Fischer and Plath - Corporate Logo
ES#:
4305465
Mfg#:
N0138128
Ships in 8 Business Days
$1.01 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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