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Audi B5 A4 FWD 1.8T

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Audi B5 A4 FWD 1.8T Engine Parts & Accessories

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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

High Flow Exhaust Manifold Hardware Kit (1.8T)

ES#4743207 - 034-105-Z021 - High Flow Exhaust Manifold Hardware Kit (1.8T) - Direct replacement installation hardware kit for securing your 034Motorsport High Flow Exhaust Manifold, ensuring a leak-free seal and preventing bolts from backing out under extreme turbo heat. - 034Motorsport - Audi Volkswagen

Direct replacement installation hardware kit for securing your 034Motorsport High Flow Exhaust Manifold, ensuring a leak-free seal and preventing bolts from backing out under extreme turbo heat. 2X Entries Into Our F80 M3 Sweepstakes

Brand:
034Motorsport - Corporate Logo
ES#:
4743207
Mfg#:
034-105-Z021
Ships in 2 Business Days
$27.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

O-Ring - Priced Each

ES#4150985 - N0282222 - O-Ring - Priced Each - Ensure a proper seal with a new o-ring. 20x3.15 - Meistersatz - Audi Volkswagen

Ensure a proper seal with a new o-ring. 20x3.15 Seals the pick-up tube to the oil pump

Brand:
Meistersatz - Corporate Logo
ES#:
4150985
Mfg#:
N0282222
In Stock
$2.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

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 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 2X Entries Into Our F80 M3 Sweepstakes
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

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 1 Business Day
$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 3 Business Days
$25.99 USD
Free Shipping
on orders $49 and up

Auxiliary Fan Blade

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

For the belt driven auxiliary fan 5X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Meyle - Corporate Logo
ES#:
2911
Mfg#:
058121301B
Ships on Oct 1, 2026
$25.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat (87°C)

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

Prevent overheating and premature engine wear

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

Intermediate Shaft O-Ring

ES#469665 - N90353501 - Intermediate Shaft O-Ring - Seals the guide ring the to the intermediate shaft - Genuine Volkswagen Audi - Audi Volkswagen

Seals the guide ring the to the intermediate shaft Engine codes AEB & ATW

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
469665
Mfg#:
N90353501
Ships in 1 day
13% off MSRP

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

$14.99

This product was last offered at the strikethrough price on
09-15-2026

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

Bleeder Valve

ES#3462911 - 035103245A - Bleeder Valve - Located under the intake manifold - Kayser - Audi Volkswagen

Located under the intake manifold

Brand:
Kayser - Corporate Logo
ES#:
3462911
Mfg#:
035103245A
Ships in 1 day
$12.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Hex Bolt - Priced Each

ES#11927 - N10287402 - Hex Bolt - Priced Each - Install new hardware with your new parts. M10x95x32 - Genuine Volkswagen Audi - Audi

Install new hardware with your new parts. M10x95x32 Engine codes AEB & ATW. Used to secure the oil pan to the engine block

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
11927
Mfg#:
N10287402
Ships in 7 Business 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.

$14.99

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

$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 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
09-15-2026

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

Water Pump Gasket (9 Hole)

ES#3698487 - 026121041P - Water Pump Gasket (9 Hole) - Elring - Audi Volkswagen

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

Brand:
Elring - Corporate Logo
ES#:
3698487
Mfg#:
026121041P
Ships in 1 day
$9.99

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

$6.47 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 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

Fuel Injector O-Ring Set

ES#2642626 - 06A906149AKT - Fuel Injector O-Ring Set - A complete set of upper and lower o-rings - Assembled By ECS - Audi

A complete set of upper and lower o-rings 10X Entries Into Our F80 M3 Sweepstakes
Engine code ATW

Brand:
Assembled By ECS - Corporate Logo
ES#:
2642626
Mfg#:
06A906149AKT
In Stock
ON SALE! SAVE 15%
$29.99

This product was last offered at the strikethrough price on
06-16-2026

$25.63 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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