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 Clear

Volkswagen Passat B4 TDI

    • 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 Volkswagen Passat B4 TDI
Your Vehicle Volkswagen Passat B4 TDI
Change Clear

Volkswagen Passat B4 TDI Coolant Caps

Sort By
Filter By
Return to Top

Expansion Tank Cap

ES#302253 - 1H0121321C - Expansion Tank Cap - Keep proper pressure in your coolant system - Genuine Volkswagen Audi - Volkswagen

Keep proper pressure in your coolant system

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
302253
Mfg#:
1H0121321C
In Stock
ON SALE! SAVE 44%
$48.58

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

$27.29 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Expansion Tank Cap

ES#3560023 - 1H0121321C - Expansion Tank Cap - Keep proper pressure in your coolant system - Hamburg Tech - Volkswagen

Keep proper pressure in your coolant system We Price Match - Give Us A Call or Chat!

Brand:
Hamburg Tech - Corporate Logo
ES#:
3560023
Mfg#:
1H0121321C
Ships in 2 Business Days
$5.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Expansion Tank Cap

ES#2801726 - 1H0121321C - Expansion Tank Cap - Replacement cap for your broken or lost piece - Rein - Volkswagen

Replacement cap for your broken or lost piece 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
2801726
Mfg#:
1H0121321C
Back Ordered
$7.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Expansion Tank Cap

ES#2090974 - 1H0121321C - Expansion Tank Cap - Keep proper pressure in your coolant system - MTC - Volkswagen

Keep proper pressure in your coolant system

Brand:
MTC - Corporate Logo
ES#:
2090974
Mfg#:
1H0121321C
Ships in 10 Business Days
$3.05 USD
Free Shipping
on orders $49 and up

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 ECS Tuning is part of Enthusiast Auto Holdings