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Audi B5 A4 Quattro 1.8T Engine Parts & Accessories

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ES#2794055 - H18TAUD287209I12 - Mahle Performance Piston Set - Includes rings, wire locks, and wrist pins - 81.5mm bore, 8.5:1 CR, 86.4mm stroke (stock) - Mahle - Audi Volkswagen

Includes rings, wire locks, and wrist pins - 81.5mm bore, 8.5:1 CR, 86.4mm stroke (stock) affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
*For use with 20mm wrist pin connecting rods*

Brand:
Mahle - Corporate Logo
ES#:
2794055
Mfg#:
H18TAUD287209I12
Back Ordered
$955.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4901043 - 4B0121055J - Radiator Hose - Lower - Connects the lower radiator port to the water pump and expansion tank - Meyle - 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
We Price Match - Give Us A Call or Chat!

Brand:
Meyle - Corporate Logo
ES#:
4901043
Mfg#:
4B0121055J
Special Order: No Guaranteed ETA
$44.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3979005 - 06C905115M -  Ignition Coil - Priced Each - Keep your engine running smooth and looking good! - Meyle - Audi Volkswagen

Keep your engine running smooth and looking good! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!
Updated push-down style coil pack

Brand:
Meyle - Corporate Logo
ES#:
3979005
Mfg#:
06C905115M
Special Order: No Guaranteed ETA
$33.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#6497 - 068919081D - Oil Pressure Switch - 1.4 bar - Senses low engine oil pressure - Original Equipment Supplier - Audi Volkswagen

Senses low engine oil pressure affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Up to the 1999 model year

Brand:
Original Equipment Supplier - Corporate Logo
ES#:
6497
Mfg#:
068919081D
Back Ordered
$7.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#250205 - 8D0121100 - Radiator Drain Plug - Used for quick removal of coolant - Original Equipment Supplier - Audi Volkswagen

Used for quick removal of coolant affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Original Equipment Supplier - Corporate Logo
ES#:
250205
Mfg#:
8D0121100
Back Ordered
$4.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3551353 - 058145771C - Oil Supply Line - Connects the oil filter adapter to the turbo - Original Equipment Supplier - Audi Volkswagen

Connects the oil filter adapter to the turbo affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Original Equipment Supplier - Corporate Logo
ES#:
3551353
Mfg#:
058145771C
Back Ordered
$243.99

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

$236.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3149397 - 026121005L - Water Pump - Features a plastic impeller and includes a metal gasket - Rein - Audi Volkswagen

Features a plastic impeller and includes a metal gasket 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#:
3149397
Mfg#:
026121005L
Back Ordered
$52.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2535174 - 8D0121403D - Coolant Expansion Tank - Includes integrated coolant level sensor - URO - 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:
URO - Corporate Logo
ES#:
2535174
Mfg#:
8D0121403D
Back Ordered
$17.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2878542 - 06A145710P - Diverter Valve - Cure the boost leak and restore power - Vaico Q+ - Audi Volkswagen

Cure the boost leak and restore power affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
From VIN 8D-X-200001, split is in the 1999 model year

Brand:
Vaico Q+ - Corporate Logo
ES#:
2878542
Mfg#:
06A145710P
Special Order: No Guaranteed ETA
$62.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2894966 - 078133063AG - Throttle Body - Cure stalling, poor idling and that CEL with this new throttle body - Vemo - Audi Volkswagen

Cure stalling, poor idling and that CEL with this new throttle body affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Vemo - Corporate Logo
ES#:
2894966
Mfg#:
078133063AG
Special Order: No Guaranteed ETA
$657.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2894720 - 054905377A - Knock Sensor - Green Connector - Detects engine ping for timing adjustment - Vemo - Audi Volkswagen

Detects engine ping for timing adjustment affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Vemo - Corporate Logo
ES#:
2894720
Mfg#:
054905377A
Special Order: No Guaranteed ETA
$41.99 USD
Free Shipping
on orders $49 and up

EFR delivers quick boost response, powerful performance and reliable durability - 0.80 A/R, T4 Twin Flow Flange, 49mm Compressor Inducer Dia, 62mm Compressor Wheel O.D., 58mm Turbine Wheel O.D. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
*To be used with custom turbocharger applications only - T4 flange manifold, custom fueling, tuning/software, and internals necessary*

Brand:
BorgWarner - Corporate Logo
ES#:
4143465
Mfg#:
11589880036
Back Ordered
22% off MSRP

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

$3723.99

This product was last offered at the strikethrough price on
06-11-2026

$2898.99 USD
This product is lifetime replacement eligible Lifetime Replacement

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

Brand:
Bosch - Corporate Logo
ES#:
4069554
Mfg#:
AL0707X
Back Ordered
$256.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Replacement fuel tank cap for your vehicle. Tether not included. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
From VIN 8D-W-070001 up to VIN 8D-X-300000, splits are in the 1998/1999 model years

Brand:
Gates - Corporate Logo
ES#:
4780171
Mfg#:
1J0201553A
Back Ordered
$16.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Senses low engine oil pressure affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Up to the 1999 model year

Brand:
Hella - Corporate Logo
ES#:
4732747
Mfg#:
068919081D
Back Ordered
$7.99 USD
Free Shipping
on orders $49 and up

Replacement fuel tank cap for your vehicle. Tether not included. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
MotoRad
ES#:
4698376
Mfg#:
1J0201553A
Back Ordered
$11.99

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

$10.99 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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