Shop Our Clearance Sale - Up To 80% Off FREE SHIPPING on Orders $49+ *exclusions apply

Menu

Call Us330-331-2003 ChatLive Chat Text Us!
0 Shopping Cart
Your Vehicle

No Vehicle selected
Please select your vehicle below.

    • Audi
    • BMW
    • Mercedes Benz
    • MINI
    • Porsche
    • Volkswagen

Saved Vehicles

My Vehicles
You currently have no stored vehicles.

Recent Vehicles

Recent Vehicles Manage Vehicles

You currently have no recent vehicles.

We'll automatically keep fully selected vehicles here for your convenience.

Call Us330-331-2003 ChatLive Chat Text Us!
Track My Order View Order History Submit a Return Contact Us Wholesale Information Lifetime Replacement Returns and Warranty Information
0
Call Us330-331-2003 ChatLive Chat Text Us!
Track My Order View Order History Submit a Return Contact Us Wholesale Information Lifetime Replacement Returns and Warranty Information
Cancel
0
Sales & Specials
Enter Your Vehicle
garage-red
Your Vehicle Please tap 'Select' to pick a vehicle
Your Vehicle Please tap 'Select' to pick a vehicle
Select

Volkswagen MK4 Engine Parts & Accessories

Sort By
Filter By
Return to Top

Thermostat Replacement Kit

ES#2581582 - 050121113CKT2 - Thermostat Replacement Kit - Everything you need to service a faulty thermostat - Assembled By ECS - Audi Volkswagen

Everything you need to service a faulty thermostat 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
2581582
Mfg#:
050121113CKT2
In Stock
ON SALE! SAVE 24%
$33.99

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

$25.94 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Mishimoto Radiator Hose Kit - Black

ES#2526439 - MMHOSEGLF99BK - Mishimoto Radiator Hose Kit - Black - Silicone complete radiator hose set - Mishimoto - Volkswagen

Silicone complete radiator hose set For vehicles with AWW or AWD engine code only

Brand:
Mishimoto - Corporate Logo
ES#:
2526439
Mfg#:
MMHOSEGLF99BK
Ships in 4 Business Days
$310.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Cylinder Head Stud Set - With Tool

ES#514327 - 204-4104 - Cylinder Head Stud Set - With Tool - Convert to high strength head studs - ARP - Audi Volkswagen

Convert to high strength head studs

Brand:
ARP - Corporate Logo
ES#:
514327
Mfg#:
204-4104
Ships in 8 Business Days
$310.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Radiator Fan Switch 95-102°C

ES#310850 - 1J0959481A - Radiator Fan Switch 95-102C - Triangular Connector - Genuine Volkswagen Audi - Audi Volkswagen

Triangular Connector For vehicles with triangular connector only

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
310850
Mfg#:
1J0959481A
Ships in 1-2 days
7% off MSRP

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

$133.99

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

$123.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Accessory Belt Tensioner

ES#2873122 - 022145299D - Accessory Belt Tensioner - Keep your drive belt tight and quiet - Febi - Audi Volkswagen

Keep your drive belt tight and quiet We Price Match - Give Us A Call or Chat!

Brand:
Febi - Corporate Logo
ES#:
2873122
Mfg#:
022145299D
Ships on Jan 11, 2027
$141.99

This product was last offered at the strikethrough price on
05-27-2026

$123.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Coolant Drain Adapter

ES#8340 - 6q0122291f - Coolant Drain Adapter - Lower radiator drain coupling adapter - Genuine Volkswagen Audi - Audi Volkswagen

Lower radiator drain coupling adapter

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
8340
Mfg#:
6Q0122291F
In Stock
33% off MSRP

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

$29.79

This product was last offered at the strikethrough price on
10-08-2026

$19.99 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

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

Glow Plug - Priced Each (5V)

ES#4069073 - N10591607 - Glow Plug - Priced Each (5V) - Replace your weak and hard starting glow plugs. M10x1x27 - Beru - Volkswagen

Replace your weak and hard starting glow plugs. M10x1x27 For vehicles with BEW engine code only. Not for vehicles with N10591604 or N10591608 installed. Vehicles with campaign performed or without previous glow plugs, see N10591609. 038907281D and programming will also be required with N10591609.

Brand:
Beru - Corporate Logo
ES#:
4069073
Mfg#:
N10591607
Ships in 2 Business Days
$38.53 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Expansion Tank Cap Seal

ES#302264 - 1H0121687A - Expansion Tank Cap Seal - Seals the expansion tank cap to the reservoir. 28.5x3.8 - Genuine Volkswagen Audi - Audi Volkswagen

Seals the expansion tank cap to the reservoir. 28.5x3.8

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
302264
Mfg#:
1H0121687A
In Stock
$6.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Fuse Box Retainer

ES#310559 - 1J0915345A - Fuse Box Retainer - holds the fuse panel to the battery cover - Genuine Volkswagen Audi - Volkswagen

holds the fuse panel to the battery cover

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
310559
Mfg#:
1J0915345A
In Stock
7% off MSRP

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

$72.99

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

$67.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Radiator Hose - Upper

ES#4004621 - 1J0122101BL - Radiator Hose - Upper - Connects radiator to coolant flange - Rein - Volkswagen

Connects radiator to coolant flange 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!
For vehicles with manual transmission only

Brand:
Rein - Corporate Logo
ES#:
4004621
Mfg#:
1J0122101BL
In Stock
$33.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Intake Valve Spring - Priced Each

ES#277594 - 058109633 - Intake Valve Spring - Priced Each - Located inside the cylinder head and allows for valve movement - Genuine Volkswagen Audi - Audi Volkswagen

Located inside the cylinder head and allows for valve movement

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
277594
Mfg#:
058109633
Ships in 1-2 days
13% off MSRP

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

$38.99

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

$33.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Pan Assembly

ES#2535178 - 038103601MA - Oil Pan Assembly - Does not include oil drain plug - URO - Audi Volkswagen

Does not include oil drain plug 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!
For vehicles without oil sensor level hole

Brand:
URO - Corporate Logo
ES#:
2535178
Mfg#:
038103601MA
Ships in 2 Business Days
$86.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Thermostat

ES#2681621 - 022121113 - Thermostat - Helps your engine regulate its temperature - Mahle-Behr - Audi Volkswagen

Helps your engine regulate its temperature

Brand:
Mahle-Behr - Corporate Logo
ES#:
2681621
Mfg#:
022121113
In Stock
$20.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Air Temperature Sensor

ES#250197 - 06B905379D - Air Temperature Sensor - Mounted on the intake manifold - Vemo - Audi Volkswagen

Mounted on the intake manifold For vehicles with VIN from 1J-34026 547 only, split is in the 2003 model year

Brand:
Vemo - Corporate Logo
ES#:
250197
Mfg#:
06B905379D
Ships in 4 Business Days
$40.99

This product was last offered at the strikethrough price on
09-30-2026

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

Fuel Pump - Without Sending Unit

ES#8222 - 8L9919051G - Fuel Pump - Without Sending Unit - Fuel pump only. Module with sending unit is not attached. - Continental - Audi Volkswagen

Fuel pump only. Module with sending unit is not attached. We Price Match - Give Us A Call or Chat!

Brand:
Continental - Corporate Logo
ES#:
8222
Mfg#:
8L9919051G
Ships in 2 Business Days
$227.99

This product was last offered at the strikethrough price on
10-01-2026

$202.47 USD
Free Shipping
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

ECS Tuning is not affiliated with any automobile manufacturers.
Manufacturer names and/or part numbers are used only for identification purposes.

Terms of Use Privacy Policy Your Privacy Choices Cookie Policy ECS Tuning is part of Enthusiast Auto Holdings