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Volkswagen MK4 Engine Parts & Accessories

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Pressure Control Valve (PCV)

ES#261091 - 034129101B - Pressure Control Valve (PCV) - Located on the turbo inlet pipe (19mm) - Genuine Volkswagen Audi - Audi Volkswagen

Located on the turbo inlet pipe (19mm) For vehicles with AWD or AWW engine code only

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
261091
Mfg#:
034129101B
Ships in 1-2 days
3% off MSRP

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

$86.99

This product was last offered at the strikethrough price on
10-09-2026

$83.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Cap

ES#253129 - 06B103485C - Oil Cap - Clean up your engine bay with a new cap - Genuine Volkswagen Audi - Audi Volkswagen

Clean up your engine bay with a new cap

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
253129
Mfg#:
06B103485C
Ships in 1-2 days
14% off MSRP

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

$48.99

This product was last offered at the strikethrough price on
10-05-2026

$41.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Quick Disconnect Coupler

ES#2708396 - 3B0122291B - Quick Disconnect Coupler - Push tab connector used in various places on the cooling system - URO - Audi Volkswagen

Push tab connector used in various places on the cooling system 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
2708396
Mfg#:
3B0122291B
In Stock
$9.18 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Expansion Tank Cap

ES#2709040 - 3B0121321 - Expansion Tank Cap - Keep proper pressure in your coolant system - URO - Audi Volkswagen

Keep proper pressure in your coolant system 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
2709040
Mfg#:
3B0121321
In Stock
$5.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Remanufactured Alternator - 90 Amp

ES#2707986 - 038903018PX - Remanufactured Alternator - 90 Amp - Price includes $60 refundable core charge - Genuine Volkswagen Audi - Volkswagen

Price includes $60 refundable core charge For vehicles with 90A alternator only. Check existing amperage listed on back of alternator.

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2707986
Mfg#:
038903018PX
Ships in 10 Business Days
$698.99

This product was last offered at the strikethrough price on
05-03-2026

$586.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Gas Cap

ES#2103964 - 1J0201550BF9B9 - Gas Cap - Replacement fuel tank cap for your vehicle. Tether included. - Genuine Volkswagen Audi - Audi Volkswagen

Replacement fuel tank cap for your vehicle. <font color='red'>Tether included.</font>

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2103964
Mfg#:
1J0201550BF9B9
Ships in 1-2 days
8% off MSRP

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

$48.99

This product was last offered at the strikethrough price on
10-05-2026

$44.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Remanufactured Alternator - 120 Amp

ES#2839 - AL0189kt - Remanufactured Alternator - 120 Amp - Price includes a $91.00 refundable core charge - Bosch - Audi Volkswagen

Price includes a $91.00 refundable core charge We Price Match - Give Us A Call or Chat!
For vehicles with 120A alternator only. Check existing amperage listed on back of alternator.

Brand:
Bosch - Corporate Logo
ES#:
2839
Mfg#:
AL0189KT
Ships on Nov 4, 2026
$583.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Water Hose - Feed Line

ES#279333 - 06A121497Q - Water Hose - Feed Line - Water hose connecting to the turbocharger - Genuine Volkswagen Audi - Audi Volkswagen

Water hose connecting to the turbocharger

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
279333
Mfg#:
06A121497Q
Ships in 5 Business Days
11% off MSRP

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

$326.99

This product was last offered at the strikethrough price on
08-31-2026

$291.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Secondary Air Injection Pump

ES#2549999 - 06A959253E - Secondary Air Injection Pump - Keep your engine running efficiently - Pierburg - Audi Volkswagen Porsche

Keep your engine running efficiently For vehicles with VIN from 1J-Y-000 001 only, split is in the 2000 model year

Brand:
Pierburg - Corporate Logo
ES#:
2549999
Mfg#:
06A959253E
Ships in 1 Business Day
$594.73

This product was last offered at the strikethrough price on
08-02-2026

$583.52 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Timing Chain Tensioner Rail

ES#3220530 - 066109509A - Timing Chain Tensioner Rail - Keeps tension on the upper timing chain to prevent slap and excess movement - Bremmen Parts - Volkswagen

Keeps tension on the upper timing chain to prevent slap and excess movement 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Bremmen Parts - Corporate Logo
ES#:
3220530
Mfg#:
066109509A
In Stock
ON SALE! SAVE 21%
$31.99

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

$25.29 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Performance Kevlar Reinforced Accessory Belt

ES#4661034 - 6PK1660 - Performance Kevlar Reinforced Accessory Belt - Our Red Kevlar accessory Belts are both an aesthetic improvement and a performance alternative to a traditional belt. - ECS - BMW Volkswagen
ECS Tuning recommends this product.

Our Red Kevlar accessory Belts are both an aesthetic improvement and a performance alternative to a traditional belt. 10X Entries Into Our F80 M3 Sweepstakes

For vehicles with ALH engine code with air conditioning only

Brand:
ECS - Corporate Logo
ES#:
4661034
Mfg#:
6PK1660
Ships on Nov 12, 2026
$33.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

MK4 R32 Luft-Technik Intake System - Wrinkle Black

ES#2972699 - 000593ECS0302AKT - MK4 R32 Luft-Technik Intake System - Wrinkle Black - Engineered for extreme performance and show quality looks! - ECS - Volkswagen

Engineered for extreme performance and show quality looks! 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
2972699
Mfg#:
000593ECS0302AKT
In Stock
ON SALE! SAVE 25%
$255.99

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

$191.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Air Pump Hose OE# 06A131127M

ES#3172438 - 06A131127M - Air Pump Hose OE# 06A131127M - Hose that runs from the secondary air pump to the Combi Valve - Vaico - Volkswagen

Hose that runs from the secondary air pump to the Combi Valve We Price Match - Give Us A Call or Chat!
For vehicles with an AZG, AVH, BBW, or BEV engine code only

Brand:
Vaico - Corporate Logo
ES#:
3172438
Mfg#:
06A131127M
Ships in 1 Business Day
$98.99

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

$95.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Hose

ES#2803795 - 1J0122157DN - Coolant Hose - Runs from the throttle body to multiple points in the cooling system - Rein - Volkswagen

Runs from the throttle body to multiple points in the cooling system 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
2803795
Mfg#:
1J0122157DN
In Stock
Limited Qty Sale
$68.99

This product was last offered at the strikethrough price on
09-17-2026

$63.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

ECS Ultimate Plus Timing Belt Kit With Red Underdrive Pulley Set

ES#8474 - 06A198506 - ECS Ultimate Plus Timing Belt Kit With Red Underdrive Pulley Set - Now with engine seals, motor mount bolts, and coolant. - Assembled By ECS - Volkswagen

Now with engine seals, motor mount bolts, and coolant. 10X Entries Into Our F80 M3 Sweepstakes
Includes our performance alternator, power steering, and crank pulleys for even more improved acceleratio

Brand:
Assembled By ECS - Corporate Logo
ES#:
8474
Mfg#:
06A198506
Ships on Nov 12, 2026
ON SALE!
$621.99

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

$566.81 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Hex Bolt - Priced Each

ES#467371 - N10082912 - Hex Bolt - Priced Each - Install new hardware with your new parts. M6x16 - Genuine Volkswagen Audi - Audi Volkswagen

Install new hardware with your new parts. M6x16

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
467371
Mfg#:
N10082912
Ships in 1-2 days
37% off MSRP

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

$3.24

This product was last offered at the strikethrough price on
10-09-2026

$2.03 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.

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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