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Volkswagen MK4 Performance Engine & Drivetrain Parts

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ES#420 - MK44CPK - Lightweight Underdrive Pulley Set - Black Anodized - Includes a new alternator, power steering and crank pulley that allows you to use a stock belt. - ECS - Audi Volkswagen

Includes a new alternator, power steering and crank pulley that allows you to use a stock belt. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Vehicles with clutched alternator pulley require hardware kit - ES271279 for installation

Brand:
ECS - Corporate Logo
ES#:
420
Mfg#:
MK44CPK
In Stock
ON SALE! SAVE 15%
$298.99

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

$254.14 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2536 - VR612VCPKIT - ECS Super-Lightweight Crank Pulley - Black - Includes 13oz super-lightweight crank pulley, key way & securing bolt - ECS - Volkswagen

Includes 13oz super-lightweight crank pulley, key way & securing bolt affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
2536
Mfg#:
VR612VCPKIT
Ships in 1-3 days
ON SALE! SAVE 20%
$218.99

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

$175.19 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2804334 - 000593ECS0103AKT - Luft-Technik Intake System - Wrinkle Red - Engineered for extreme performance and show quality looks! - ECS - Volkswagen

Engineered for extreme performance and show quality looks! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
2804334
Mfg#:
000593ECS0103AKT
In Stock
ON SALE! SAVE 30%
$250.09

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

$175.06 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#5338591 - 056059LA094ISKT3 - 1.8T Performance Ignition Service Kit - Featuring one step colder, copper core NGK spark plugs & ECS performance ignition coils for increased spark energy. - ECS - Audi Volkswagen

Featuring one step colder, copper core NGK spark plugs & ECS performance ignition coils for increased spark energy. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
5338591
Mfg#:
056059LA094ISKT3
Ships in 8 Business Days
ON SALE! SAVE 25%
$176.99

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

$132.79 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3604757 - 50-1000 - 340lph High Flow In-Tank Fuel Pump  - AEMs 340LPH High Flow In-Tank Fuel Pump is designed for high performance naturally aspirated and forced induction EFI vehicles. - AEM Electronics  - Audi Volkswagen

AEM’s 340LPH High Flow In-Tank Fuel Pump is designed for high performance naturally aspirated and forced induction EFI vehicles. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
This is a general-use high flow fuel pump, not a direct plug-and-play swap in most applications

Brand:
AEM Electronics  - Corporate Logo
ES#:
3604757
Mfg#:
50-1000
In Stock at Vendor
$113.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2855159 - 000593ECS1103AKT - Luft-Technik Intake System - Includes Turbo Inlet Hose - Wrinkle Red - Engineered for extreme performance and show quality looks! - ECS - Volkswagen

Engineered for extreme performance and show quality looks! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
2855159
Mfg#:
000593ECS1103AKT
In Stock
ON SALE! SAVE 25%
$455.09

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

$341.32 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3090836 - SA81MTR - R-Trim Twin Disc Clutch Kit - with Flywheel - Holds up to 800 lb-ft of torque! - Spec Clutches - Volkswagen

Holds up to 800 lb-ft of torque! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Spec Clutches - Corporate Logo
ES#:
3090836
Mfg#:
SA81MTR
Ships in 3 Business Days
$1699.00 USD
This product is lifetime replacement eligible Lifetime Replacement
ES#4158836 - 034-106-5015 - Adjustable Fuel Pressure Regulator - Works as a replacement for most Bosch fuel pressure regulators. Adjustable from 3.3-5 BAR - 034Motorsport - Audi Volkswagen

Works as a replacement for most Bosch fuel pressure regulators. Adjustable from 3.3-5 BAR affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
034Motorsport - Corporate Logo
ES#:
4158836
Mfg#:
034-106-5015
In Stock
$129.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2063761 - SV231-2 - Stage 1 Clutch Kit - Without Flywheel - Max Torque 350ft. lbs. - Spec Clutches - Volkswagen

Max Torque 350ft. lbs. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Spec Clutches - Corporate Logo
ES#:
2063761
Mfg#:
SV231-2
Ships in 3 Business Days
$819.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3098761 - k70287fssxKT - Stage 4 Extreme Clutch Kit - Designed for extreme power that needs to be put to the wheels. Conservatively rated at 600+ ft/lbs. - South Bend Clutch - Audi Volkswagen

Designed for extreme power that needs to be put to the wheels. Conservatively rated at 600+ ft/lbs. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Includes single mass flywheel

Brand:
South Bend Clutch - Corporate Logo
ES#:
3098761
Mfg#:
K70287FSSXKT
Ships in 1 Business Day
$1631.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3553237 - 51-10831KT - Pro Dry S Stage 1 Intake System - Includes Cone Filter, Breather Filter and all necessary hardware. - AFE - Volkswagen

Includes Cone Filter, Breather Filter and all necessary hardware. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
AFE - Corporate Logo
ES#:
3553237
Mfg#:
51-10831KT
In Stock at Vendor
$323.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3438060 - VW5-HDG6 - Performance Race Clutch Kit - With Lightweight Flywheel - Handles up to 525 lb-ft of torque and includes single mass flywheel (16lbs) - ACT - Audi Volkswagen

Handles up to 525 lb-ft of torque and includes single mass flywheel (16lbs) affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
ACT - Corporate Logo
ES#:
3438060
Mfg#:
VW5-HDG6
Ships in 6 Business Days
$1601.00 USD
ES#4418635 - 034-18T-MANI - 034Motorsport High Flow Intake Manifold - Silver  - Direct bolt-in replacement for the stock intake manifold, and features a modular design, with a rotatable plenum that allows for driver side or passenger side throttle body locations. - 034Motorsport - Audi Volkswagen

Direct bolt-in replacement for the stock intake manifold, and features a modular design, with a rotatable plenum that allows for driver side or passenger side throttle body locations. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For transverse 1.8T with small port only

Brand:
034Motorsport - Corporate Logo
ES#:
4418635
Mfg#:
034-18T-MANI
Back Ordered
$792.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3098791 - k70038sstzKT - Stage 3 Endurance Clutch Kit - Designed for dedicated track cars. Conservatively rated at 425 ft/lbs - South Bend Clutch - Volkswagen

Designed for dedicated track cars. Conservatively rated at 425 ft/lbs affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
South Bend Clutch - Corporate Logo
ES#:
3098791
Mfg#:
K70038SSTZKT
Ships in 1 Business Day
$781.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3098669 - kr32fhddxdbKT - Stage 2 Drag/Drift Clutch Kit - Designed for drag or drift cars that see limited street use. Conservatively rated at 520 ft/lbs. - South Bend Clutch - Volkswagen

Designed for drag or drift cars that see limited street use. Conservatively rated at 520 ft/lbs. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
South Bend Clutch - Corporate Logo
ES#:
3098669
Mfg#:
KR32FHDDXDBKT
Ships in 1 Business Day
$1562.99 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.

Let us help you find the parts that fit your Volkswagen

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