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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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Cylinder Head Coolant Flange

ES#2535197 - 058121133B - Cylinder Head Coolant Flange - Located on the back of the cylinder head - URO - Audi Volkswagen

Located on the back of the cylinder head 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
2535197
Mfg#:
058121133B
Ships in 1 Business Day
$7.99

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

$4.56 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

Supertech Stainless Intake Valve - 1.8T/2.7T - Priced Each

ES#3647468 - ST-AIVN-1106S - Supertech Stainless Intake Valve - 1.8T/2.7T - Priced Each - +1mm oversized valve head diameter, single groove keeper setup for high RPM use - Supertech - Audi Volkswagen

+1mm oversized valve head diameter, single groove keeper setup for high RPM use *Valves priced individually - For 1.8T - qty 12 needed / For 2.7T - qty 18 needed - Please see long description for additional valve seal/keeper informa

Brand:
Supertech - Corporate Logo
ES#:
3647468
Mfg#:
ST-AIVN-1106S
Back Ordered
18% off MSRP

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

$32.99

This product was last offered at the strikethrough price on
11-04-2026

$26.99 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 25%
$35.99

This product was last offered at the strikethrough price on
05-14-2026

$26.84 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 3 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

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

Combi Valve Inlet Hose

ES#4615941 - 06B133784R - Combi Valve Inlet Hose - Connects combi valve to air pump hose - URO - Audi Volkswagen

Connects combi valve to air pump hose 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!
AWM engine codes only.

Brand:
URO - Corporate Logo
ES#:
4615941
Mfg#:
06B133784R
Ships in 1 Business Day
$26.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Forge Splitter Valve Blanking Cap - Alloy

ES#3419959 - FMSPLCAP - Forge Splitter Valve Blanking Cap - Alloy - Replace your lost blanking cap on your Forge Splitter valve (FMDVSPLTR and FMBSPLTR) - Forge - Audi Volkswagen

Replace your lost blanking cap on your Forge Splitter valve (FMDVSPLTR and FMBSPLTR)

Brand:
Forge - Corporate Logo
ES#:
3419959
Mfg#:
FMSPLCAP
Special Order: No Guaranteed ETA
$25.99 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

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!
Engine code ATW & AWM only

Brand:
URO - Corporate Logo
ES#:
4699457
Mfg#:
058133370A
Ships in 1 Business Day
$25.99 USD
Free Shipping
on orders $49 and up

Ventilation Valve

ES#404101 - 6X0201136 - Ventilation Valve - Allows air into the tank for easy fueling - Genuine Volkswagen Audi - Audi

Allows air into the tank for easy fueling Up to VIN 8D-W-070000, split is in the 1998 model year

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
404101
Mfg#:
6X0201136
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.

$29.99

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

$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 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 Nov 30, 2026
$25.99 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

$6.48 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!
$25.70 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Expansion Tank Hose

ES#9528 - 8D0121107C - Expansion Tank Hose - Connects the expansion tank to the hard water pipe - Gates - Audi Volkswagen

Connects the expansion tank to the hard water pipe

Brand:
Gates - Corporate Logo
ES#:
9528
Mfg#:
8D0121107C
Ships in 1 Business Day
$12.61 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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