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Audi B6 A4 Quattro 1.8T Engine Parts & Accessories

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ES#4830808 - CTS-TM-AUDI4-50D - Street Sport Transmission Mount  50 Durometer - A significant upgrade to performance and feel over the stock mount. - CTS - Audi

A significant upgrade to performance and feel over the stock mount. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Early B6 A4 w/ 5-Speed Manual Transmissions only.

Brand:
CTS - Corporate Logo
ES#:
4830808
Mfg#:
CTS-TM-AUDI4-50D
Special Order: No Guaranteed ETA
$84.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4810539 - 295743 - JE Pistons 9.25:1 Kit Set Of 4 Pistons - Equip your engine with the best-forged pistons. - JE Piston - Audi

Equip your engine with the best-forged pistons. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
JE Piston - Corporate Logo
ES#:
4810539
Mfg#:
295743
Back Ordered
$899.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3559529 - 8E0201511J - Fuel Filter - With pressure regulator - Kolbenschmidt - Audi

With pressure regulator affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Up to VIN 8E-5-065000, split is in the 2005 model year

Brand:
Kolbenschmidt - Corporate Logo
ES#:
3559529
Mfg#:
8E0201511J
Back Ordered
$48.99

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

$47.99 USD
Free Shipping
on orders $49 and up
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#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!

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#2587497 - 4B3121276A - Upper Radiator Mount - Priced Each - Stabilizes the radiator within the core support - OE Aftermarket - Audi

Stabilizes the radiator within the core support affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
OE Aftermarket - Corporate Logo
ES#:
2587497
Mfg#:
4B3121276A
Back Ordered
$12.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2587495 - 4B3121275 - Lower Radiator Mount - Priced Each - Stabilizes the radiator within the core support - OE Aftermarket - Audi

Stabilizes the radiator within the core support affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
OE Aftermarket - Corporate Logo
ES#:
2587495
Mfg#:
4B3121275
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
This product is lifetime replacement eligible Lifetime Replacement
ES#4039683 - 8E1819371P - Coolant Supply Hose - Supplies coolant to provide heat for the heater core - Vaico - Audi

Supplies coolant to provide heat for the heater core 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#:
4039683
Mfg#:
8E1819371P
Special Order: No Guaranteed ETA
$67.99 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

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#2901763 - 8E0145806M - Intercooler - Right - Cools the charge air for your engine - Vemo - Audi

Cools the charge air for your engine affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Vemo - Corporate Logo
ES#:
2901763
Mfg#:
8E0145806M
Special Order: No Guaranteed ETA
$105.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

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

Stock/OE replacement turbocharger, hardware not included affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with BEX engine code only

Brand:
BorgWarner - Corporate Logo
ES#:
4381804
Mfg#:
06B145703B
Back Ordered
$1511.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Mounted on the intake manifold affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Original Equipment Supplier - Corporate Logo
ES#:
4057424
Mfg#:
06B905379D
Back Ordered
$15.99

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

$14.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Monitors coolant temperature for fan control & gauge readings affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
2-pin temperature sensor located in lower radiator hose

Brand:
SMP - Corporate Logo
ES#:
4057464
Mfg#:
06A919501A
Back Ordered
$32.99

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

$31.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Includes housing, gasket & sensor affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
SMP - Corporate Logo
ES#:
4070681
Mfg#:
06B121111K
Back Ordered
$135.99

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

$132.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Keep your cooling system operating properly affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Spectra Premium - Corporate Logo
ES#:
4146571
Mfg#:
8E0121251A
Back Ordered
$185.99

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

$180.99 USD
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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