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Audi B5 A4 FWD 1.8T

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Audi B5 A4 FWD 1.8T Performance Engine & Drivetrain Parts

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Billet Aluminum Block Breather Adapter - 1.8T

ES#4147630 - 034-101-5002 - Billet Aluminum Block Breather Adapter - 1.8T - 1" Nipple, billet aluminum block breather adapter for a custom crankcase breather setup - 034Motorsport - Audi Volkswagen

1" Nipple, billet aluminum block breather adapter for a custom crankcase breather setup affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
034Motorsport - Corporate Logo
ES#:
4147630
Mfg#:
034-101-5002
In Stock
$25.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

550cc Bosch EV14 Fuel Injector - Priced Each

ES#4858179 - 034-106-3030 - 550cc Bosch EV14 Fuel Injector - Priced Each - The Bosch EV14 550cc fires factory-correct dual spray cones with super-fast response and best atomizaton on the market today. - Bosch - Audi

The Bosch EV14 550cc fires factory-correct dual spray cones with super-fast response and best atomizaton on the market today. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes! 2X Entries For Our 25th Anniversary Sweepstakes! 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Bosch - Corporate Logo
ES#:
4858179
Mfg#:
034-106-3030
Ships in 2 Business Days
$107.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Performance Camshaft Pair - 239°/230° (Cast Iron)

ES#4141636 - 1013660 - Performance Camshaft Pair - 239/230 (Cast Iron) - More aggressive cams for higher top end power! - Cat Cams - Audi

More aggressive cams for higher top end power! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Engine codes AEB & ATW

Brand:
Cat Cams - Corporate Logo
ES#:
4141636
Mfg#:
1013660
Special Order: No Guaranteed ETA
$640.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

JHM Fuel Pump Upgrade Kit - High-Flow 255 LPH w/ Drop-In Adapter

ES#4045936 - B5255LPFP - JHM Fuel Pump Upgrade Kit - High-Flow 255 LPH w/ Drop-In Adapter - Drop in kit to work in conjunction with your factory fuel system - JH Motorsports - Audi

Drop in kit to work in conjunction with your factory fuel system affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
JH Motorsports - Corporate Logo
ES#:
4045936
Mfg#:
B5255LPFP
Ships in 2 Business Days
$314.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Crankshaft Girdle Kit

ES#2794148 - IEBEVA9 - Crankshaft Girdle Kit - Keep your engine block from flexing under torque - Integrated Engineering - Audi Volkswagen

Keep your engine block from flexing under torque affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes!

Fits AWM engine code only

Brand:
Integrated Engineering - Corporate Logo
ES#:
2794148
Mfg#:
IEBEVA9
Back Ordered
$617.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Pedal Commander - Throttle Response Controller With Bluetooth

ES#3569754 - PC 08 - Pedal Commander - Throttle Response Controller With Bluetooth - Unleash the hidden power in your vehicle to get instant feedback & response! - Pedal Commander - Audi Volkswagen Porsche

Unleash the hidden power in your vehicle to get instant feedback & response! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Pedal Commander - Corporate Logo
ES#:
3569754
Mfg#:
PC 08
Ships in 5 Business Days
$299.99 USD
Free Shipping

Mishimoto Liquid Chill Radiator Coolant Additive - 4oz

ES#2764643 - MMRALC - Mishimoto Liquid Chill Radiator Coolant Additive - 4oz - Pairs with all types of coolant to increase heat transfer and decrease engine temps. - Mishimoto - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Pairs with all types of coolant to increase heat transfer and decrease engine temps. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Mishimoto - Corporate Logo
ES#:
2764643
Mfg#:
MMRALC
Ships in 3 Business Days
$22.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Injector Connector Adapter - Priced Each

ES#4013558 - 034-702-0022 - Injector Connector Adapter - Priced Each - Injector connector adapter for installing EV14 USCAR style injectors in harness applications originally intended for Bosch Jetronic/Motronic style connectors - Bosch - Audi

Injector connector adapter for installing EV14 USCAR style injectors in harness applications originally intended for Bosch Jetronic/Motronic style connectors affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes! 2X Entries For Our 25th Anniversary Sweepstakes! 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Bosch - Corporate Logo
ES#:
4013558
Mfg#:
034-702-0022
Back Ordered
Auto Notify
$18.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Harmonic Damper Crankshaft Pulley

ES#3557367 - 551201_AEB - Harmonic Damper Crankshaft Pulley - Provides broad range control of destructive crankshaft torsional vibration for optimum horsepower and durability - Fluidampr - Audi Volkswagen

Provides broad range control of destructive crankshaft torsional vibration for optimum horsepower and durability affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
This is a custom product and requires 2-3 week lead time to manufacture due to the zinc plating process.
Engine codes AEB & ATW

Brand:
Fluidampr - Corporate Logo
ES#:
3557367
Mfg#:
551201_AEB
Back Ordered
Auto Notify
$569.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Diverter (Bypass) Valve OEM 710N

ES#4880731 - 034-145-5001 - Diverter (Bypass) Valve OEM 710N - New OEM "710N" bypass valve with reinforced rubber diaphragm for longer use than other plastic valves. - 034Motorsport - Audi Volkswagen

New OEM "710N" bypass valve with reinforced rubber diaphragm for longer use than other plastic valves. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
034Motorsport - Corporate Logo
ES#:
4880731
Mfg#:
034-145-5001
In Stock
$91.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Supertech Stainless Intake Valve Kit

ES#3647534 - ST-AIVN-1106SKT - Supertech Stainless Intake Valve Kit - +1mm oversized valve head diameter, single groove keeper setup for high RPM use - Includes Supertech valves, single groove keepers and IE valve seals - Assembled By ECS - Audi Volkswagen

+1mm oversized valve head diameter, single groove keeper setup for high RPM use - Includes Supertech valves, single groove keepers and IE valve seals affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
*Oversized valves require extra machine work to the cylinder head.*

Brand:
Assembled By ECS - Corporate Logo
ES#:
3647534
Mfg#:
ST-AIVN-1106SKT
Back Ordered
$545.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

2.0T Coil Pack Conversion Kit - Stage 1

ES#2713391 - 002598ECS01KT - 2.0T Coil Pack Conversion Kit - Stage 1 - Includes wrinkle black conversion plate -w- red 2.0T coils - ECS - Audi Volkswagen

Includes wrinkle black conversion plate -w- red 2.0T coils affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Fits ATW & AWM engine code models only

Brand:
ECS - Corporate Logo
ES#:
2713391
Mfg#:
002598ECS01KT
In Stock
ON SALE!
$286.99

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

$272.64 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Water/Methanol Nozzle - 14GPH

ES#4505337 - SN0-N1400 - Water/Methanol Nozzle - 14GPH - Snow Performance Hyper-Sonic water-methanol injection nozzle - SnowPerformance - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Snow Performance Hyper-Sonic water-methanol injection nozzle affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
SnowPerformance - Corporate Logo
ES#:
4505337
Mfg#:
SN0-N1400
In Stock at Vendor
$31.99 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#3647467 - ST-AIVN-1103S - Supertech Stainless Intake Valve - 1.8T/2.7T - Priced Each - Stock sized valve head diameter, single groove keeper setup for high RPM use - Supertech - Audi Volkswagen

Stock sized valve head diameter, single groove keeper setup for high RPM use affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
*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#:
3647467
Mfg#:
ST-AIVN-1103S
Back Ordered
$29.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

008 Premium Diverter Valve - Black - 3 Way adjustable Vacuum Port

ES#3214561 - FMDV008PA - 008 Premium Diverter Valve - Black - 3 Way adjustable Vacuum Port - Smaller, tougher and tuneable - Now with 3-way adjustable, 90-degree vacuum port - Forge - Audi Volkswagen Porsche

Smaller, tougher and tuneable - Now with 3-way adjustable, 90-degree vacuum port affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Forge - Corporate Logo
ES#:
3214561
Mfg#:
FMDV008PA
Back Ordered
$268.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

High Performance Aluminum Radiator

ES#4617221 - 7204 - High Performance Aluminum Radiator - Featuring an all-aluminum tank and core plus OE-style quick connects. Lower engine temperatures mean more power and longer life of engine components! - CSF - Audi Volkswagen

Featuring an all-aluminum tank and core plus OE-style quick connects. Lower engine temperatures mean more power and longer life of engine components! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes! 2X Entries For Our 25th Anniversary Sweepstakes! 2X Entries For Our 25th Anniversary Sweepstakes!
Manual transmissions only

Brand:
CSF - Corporate Logo
ES#:
4617221
Mfg#:
7204
Ships in 3 Business Days
$535.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

More About Performance Engine & Drivetrain Parts

Worn mounts, bushings, and other drivetrain components rob performance. Replace or upgrade your drivetrain with our extensive catalog of mounts, bushings, clutch kits, and more.

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Manufacturer names and/or part numbers are used only for identification purposes.

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