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Volkswagen MK4 Engine Parts & Accessories

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Mass Air Flow Sensor (MAF)

ES#6105 - 0280218063SJ - Mass Air Flow Sensor (MAF) - Restore fuel economy and performance - Bosch - Audi Volkswagen

Restore fuel economy and performance 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Bosch - Corporate Logo
ES#:
6105
Mfg#:
0280218063SJ
In Stock
45% off MSRP

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

$209.00

This product was last offered at the strikethrough price on
08-04-2026

$114.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Copper Drain Plug Washer - Priced Each

ES#2857525 - N138492 - Copper Drain Plug Washer - Priced Each - Replace with every oil service to prevent leaks. M14x20x1.5 - Victor Reinz - Audi Volkswagen

Replace with every oil service to prevent leaks. M14x20x1.5 Replacement drain plug washer for ECS Billet Aluminum Oil Filter Housings

Brand:
Victor Reinz - Corporate Logo
ES#:
2857525
Mfg#:
N138492
In Stock
$4.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Ignition Coil Pack Harness Replacement Kit

ES#3491683 - 020745ecs01KT - Ignition Coil Pack Harness Replacement Kit - Replace your brittle and broken ignition harness with our high quality replacement harness - ECS - Audi Volkswagen

Replace your brittle and broken ignition harness with our high quality replacement harness 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
3491683
Mfg#:
020745ECS01KT
In Stock
ON SALE! SAVE 25%
$135.99

This product was last offered at the strikethrough price on
06-13-2026

$101.99 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Front Mount Intercooler

ES#2917710 - 15030 - Front Mount Intercooler - Improved cooling for improved performance - Euro Sport Acc - Volkswagen

Improved cooling for improved performance For vehicles with manual transmission only

Brand:
Euro Sport Acc - Corporate Logo
ES#:
2917710
Mfg#:
15030
Back Ordered
Auto Notify
$569.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Billet Diverter Valve - Black

ES#3183557 - 034-145-5000-BLK - Billet Diverter Valve - Black - High-performance spring and piston design is both durable and a performer! - 034Motorsport - Audi Volkswagen

High-performance spring and piston design is both durable and a performer!

Brand:
034Motorsport - Corporate Logo
ES#:
3183557
Mfg#:
034-145-5000-BLK
In Stock
$134.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Silicone Turbo inlet hose - with clamps

ES#2785003 - 003598ECS03 - Silicone Turbo inlet hose - with clamps - For cars with 19mm & 25mm PCV - ECS - Volkswagen

For cars with 19mm & 25mm PCV 10X Entries For Our 25th Anniversary Sweepstakes!

Factory engine cover will not fit with the use of this inlet hose.

Brand:
ECS - Corporate Logo
ES#:
2785003
Mfg#:
003598ECS03
In Stock
ON SALE! SAVE 25%
$201.99

This product was last offered at the strikethrough price on
06-13-2026

$151.49 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

R8 Caps & Black Washer Fluid Reservoir Cap Set

ES#4707624 - 009635ECS06KT - R8 Caps & Black Washer Fluid Reservoir Cap Set - Dress up your engine bay with a black washer reservoir cap and Audi R8 oil and expansion tank caps - Bremmen Parts - Audi Volkswagen

Dress up your engine bay with a black washer reservoir cap and Audi R8 oil and expansion tank caps 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
4707624
Mfg#:
009635ECS06KT
In Stock
ON SALE! SAVE 17%
$89.99

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

$74.38 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

K03 Sport Turbocharger

ES#4871905 - 06A145713D - K03 Sport Turbocharger - Complete turbo assembly - Bremmen Parts - Audi Volkswagen

Complete turbo assembly 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
4871905
Mfg#:
06A145713D
Ships on Sep 28, 2026
Auto Notify
ON SALE! SAVE 15%
$627.99

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

$533.20 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

EFR 7670 Single Turbo Kit - DTM

ES#3247347 - FT-DTM-7670-MK4 - EFR 7670 Single Turbo Kit - DTM - Performance gains of up to 350 hp 360 ft-lbs @ 7 psi - HPA Motorsports - Volkswagen

Performance gains of up to 350 hp 360 ft-lbs @ 7 psi Built-to-order kit, expect 8-10 weeks for shipping. ECU must be shipped to HPA for software installation

Brand:
HPA Motorsports - Corporate Logo
ES#:
3247347
Mfg#:
FT-DTM-7670-MK4
Ships on Aug 27, 2026
$8899.00 USD

K03 Sport Turbocharger

ES#476454 - 06A145713D - K03 Sport Turbocharger - Complete turbo assembly - BorgWarner - Audi Volkswagen

Complete turbo assembly

Brand:
BorgWarner - Corporate Logo
ES#:
476454
Mfg#:
06A145713D
In Stock
$1217.99

This product was last offered at the strikethrough price on
07-14-2026

$884.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Street Density Line Motor Mount Kit

ES#3183541 - 034-509-5008-SD - Street Density Line Motor Mount Kit - Includes Engine and Transmission mount with 60 durometer rubber - 034Motorsport - Audi Volkswagen

Includes Engine and Transmission mount with 60 durometer rubber For vehicles with manual transmission only

Brand:
034Motorsport - Corporate Logo
ES#:
3183541
Mfg#:
034-509-5008-SD
In Stock
$338.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Heavy Duty Cast Aluminum Thermostat Housing

ES#3086042 - 006660ECS01 - Heavy Duty Cast Aluminum Thermostat Housing - The last thermostat housing you'll ever need! - ECS - Audi Volkswagen

The last thermostat housing you'll ever need! 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
3086042
Mfg#:
006660ECS01
In Stock
ON SALE! SAVE 25%
$85.99

This product was last offered at the strikethrough price on
06-13-2026

$64.49 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Bosch 550cc Fuel Injector - Priced Each

ES#1897179 - INJB550 - Bosch 550cc Fuel Injector - Priced Each - Compatible with BT software applications. Does NOT include injector plug adapters - Bosch - Audi Volkswagen

Compatible with BT software applications. Does NOT include injector plug adapters 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Bosch - Corporate Logo
ES#:
1897179
Mfg#:
INJB550
In Stock
$77.29

This product was last offered at the strikethrough price on
07-06-2026

$58.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coil Pack - Set Of Four

ES#2065380 - 06E898001 - Coil Pack - Set Of Four - Dress up your engine bay with these red colored coil packs - NFIS Original Equipment - Audi Volkswagen

Dress up your engine bay with these red colored coil packs To be used with 2.0T conversion plate only

Brand:
NFIS Original Equipment - Corporate Logo
ES#:
2065380
Mfg#:
06E898001
In Stock
$127.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Top Tec 4200 Long Life Synthetic Engine Oil (5w-30) - 1 Liter

ES#1306830 - 2004 - Top Tec 4200 Long Life Synthetic Engine Oil (5w-30) - 1 Liter - Fully synthetic, low-SAPS motor oil developed for VAG 504.00/507.00 and BMW Longlife-04 specifications - Liqui-Moly - Audi BMW Volkswagen

Fully synthetic, low-SAPS motor oil developed for VAG 504.00/507.00 and BMW Longlife-04 specifications 10X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!
Required for vehicles with BEW engine code, may be used in vehicles with ALH engine code

Brand:
Liqui-Moly - Corporate Logo
ES#:
1306830
Mfg#:
2004
In Stock
35% off MSRP

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

$21.99

This product was last offered at the strikethrough price on
08-04-2026

$14.19 USD
Free Shipping
on orders $49 and up

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.

Let us help you find the parts that fit your Volkswagen

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

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