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 Engine Parts & Accessories

Sort By
Filter By
Return to Top

Manual Boost Controller - Black

ES#4252 - FMBV050 - Manual Boost Controller - Black - Lockable under-hood boost controller - Forge - Audi Volkswagen MINI

Lockable under-hood boost controller

Brand:
Forge - Corporate Logo
ES#:
4252
Mfg#:
FMBV050
Ships on Sep 10, 2026
Auto Notify
$46.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat - 87�C

ES#261793 - 044121113 - Thermostat - 87C - Keep your car running at the proper temperature. - Wahler - Volkswagen

Keep your car running at the proper temperature.

Brand:
Wahler - Corporate Logo
ES#:
261793
Mfg#:
044121113
Ships in 7 Business Days
$29.13 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

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!
$48.58

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

$46.54 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Complete Diesel System Cleaner - 500ml / 16.9oz

ES#3999018 - 20252 - Complete Diesel System Cleaner - 500ml / 16.9oz - Don't let today's pump fuel kill your diesel's injection system - Treats up to 25 Gallons of Diesel - Liqui-Moly - Audi BMW Volkswagen Mercedes Benz Porsche

Don't let today's pump fuel kill your diesel's injection system - Treats up to 25 Gallons of Diesel 10X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Liqui-Moly - Corporate Logo
ES#:
3999018
Mfg#:
20252
In Stock at Vendor
15% off MSRP

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

$23.99

This product was last offered at the strikethrough price on
08-21-2026

$20.31 USD
Free Shipping
on orders $49 and up

Heat Insulation

ES#5320 - 8D0971461 - Heat Insulation - Small OEM heat insulation, approx 4x4, that can be used in multiple applications - Genuine Volkswagen Audi - Audi Volkswagen

Small OEM heat insulation, approx 4x4, that can be used in multiple applications

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
5320
Mfg#:
8D0971461
Ships in 1-2 days
$8.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Auxiliary Fan Switch � 75-82�C

ES#1928244 - 1H0959481D - Auxiliary Fan Switch 75-82C - Square connector with rounded ends - Meyle - Audi Volkswagen

Square connector with rounded ends 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!
For vehicles with square connector only

Brand:
Meyle - Corporate Logo
ES#:
1928244
Mfg#:
1H0959481D
In Stock
$15.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Washer Fluid Reservoir Cap

ES#4872071 - 1K0955455 - Washer Fluid Reservoir Cap - Keep your washer fluid free from debris - URO - Audi Volkswagen

Keep your washer fluid free from debris 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
4872071
Mfg#:
1K0955455
In Stock
$13.38 USD
Free Shipping
on orders $49 and up

Oil Filter Adapter Gasket

ES#270997 - 028115441C - Oil Filter Adapter Gasket - Seals the oil filter adapter to the engine block - Genuine Volkswagen Audi - Audi Volkswagen

Seals the oil filter adapter to the engine block

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
270997
Mfg#:
028115441C
Ships in 1-2 days
10% off MSRP

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

$20.99

This product was last offered at the strikethrough price on
08-21-2026

$18.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Valve Stem Seal - Priced Each

ES#2581856 - 027109675 - Valve Stem Seal - Priced Each - 7mm seal fitted to the end of the valve. - Elring - Audi Volkswagen

7mm seal fitted to the end of the valve. 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Elring - Corporate Logo
ES#:
2581856
Mfg#:
027109675
In Stock
ON SALE! SAVE 39%
$2.99

This product was last offered at the strikethrough price on
08-14-2026

$1.83 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Drain Plug

ES#4034813 - N90813202 - Oil Drain Plug - Includes crush washer. M14x1.5 - Elring - Audi Volkswagen

Includes crush washer. M14x1.5 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Elring - Corporate Logo
ES#:
4034813
Mfg#:
N90813202
Ships in 1 Business Day
$4.99

This product was last offered at the strikethrough price on
08-20-2026

$3.05 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Stanadyne Lubricity Fuel Additive - 16oz

ES#4609123 - 38560 - Stanadyne Lubricity Fuel Additive - 16oz - Ideal for very dry or "winter blend" fuels such as #1 diesel - Stanadyne - Audi BMW Volkswagen Mercedes Benz Porsche

Ideal for very dry or "winter blend" fuels such as #1 diesel

Brand:
Stanadyne - Corporate Logo
ES#:
4609123
Mfg#:
38560
In Stock
Limited Qty Sale
$11.99

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

$10.99 USD
Free Shipping
on orders $49 and up

Speed Sensor Service Kit

ES#2804560 - 357919149BKT - Speed Sensor Service Kit - Includes speedometer pinion, guide bushing, and speed sensor - Genuine Volkswagen Audi - Volkswagen

Includes speedometer pinion, guide bushing, and speed sensor For vehicles with 4-speed automatic transmission only

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2804560
Mfg#:
357919149BKT
Ships in 1-2 days
$161.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Sealing O-Ring - Priced Each

ES#3419389 - N90316802 - Sealing O-Ring - Priced Each - Seal for most clip-in cooling sensors/senders. M19.6x3.6mm - Rein - Audi Volkswagen

Seal for most clip-in cooling sensors/senders. M19.6x3.6mm 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
3419389
Mfg#:
N90316802
In Stock
$2.12 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Expansion Tank

ES#2868448 - 1H0121407A - Coolant Expansion Tank - Clean up your engine bay or replaced your cracked unit with a new coolant expansion tank - Febi - Volkswagen

Clean up your engine bay or replaced your cracked unit with a new coolant expansion tank 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Febi - Corporate Logo
ES#:
2868448
Mfg#:
1H0121407A
Ships in 2 Business Days
$36.99

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

$31.99 USD
Free Shipping
on orders $49 and up

Front Crankshaft Seal

ES#2550778 - 054115147B - Front Crankshaft Seal - Stop oil leaks and prevent internal engine damage. 35x48x10 - Elring - Audi Volkswagen

Stop oil leaks and prevent internal engine damage. 35x48x10 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Elring - Corporate Logo
ES#:
2550778
Mfg#:
054115147B
In Stock
ON SALE! SAVE 28%
$7.66

This product was last offered at the strikethrough price on
08-07-2026

$5.50 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Smooth Expansion Tank & Washer Fluid Reservoir Cap Set - Black

ES#3509361 - 009635ECS05KT - Smooth Expansion Tank & Washer Fluid Reservoir Cap Set - Black - Dress up your engine bay with black expansion tank and washer reservoir caps to replace the old blue ones - Assembled By ECS - Audi Volkswagen

Dress up your engine bay with black expansion tank and washer reservoir caps to replace the old blue ones 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
3509361
Mfg#:
009635ECS05KT
In Stock
ON SALE! SAVE 14%
$60.99

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

$52.42 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial 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.

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