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Volkswagen Passat B4 TDI

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Volkswagen Passat B4 TDI Engine Cooling Parts

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Anti-Freeze Tester

ES#3536250 - EZRSP102 - Anti-Freeze Tester - Don't let your engine freeze, be sure with this easy to use tester - E-Z Red Tools - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Don't let your engine freeze, be sure with this easy to use tester affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
E-Z Red Tools - Corporate Logo
ES#:
3536250
Mfg#:
EZRSP102
Ships in 2 Business Days
$22.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Cooler O-Ring

ES#2776 - 038117070A - Oil Cooler O-Ring - Seals the connection between the oil cooler and the filter adapter. 59x5 - Victor Reinz - Audi Volkswagen

Seals the connection between the oil cooler and the filter adapter. 59x5 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Victor Reinz - Corporate Logo
ES#:
2776
Mfg#:
038117070A
In Stock
$3.05 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Cooler Hose

ES#271011 - 028121053Q - Oil Cooler Hose - Runs from water pump to the oil cooler - Genuine Volkswagen Audi - Volkswagen

Runs from water pump to the oil cooler affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
271011
Mfg#:
028121053Q
Ships in 1-2 days
9% off MSRP

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

$148.99

This product was last offered at the strikethrough price on
02-26-2026

$134.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

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 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

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
06-02-2026

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

Auxiliary Fan Switch � 95-102�C

ES#2146769 - 1H0698481B - Auxiliary Fan Switch 95-102C - Square connector with rounded ends, includes O-Ring - Genuine Volkswagen Audi - Volkswagen

Square connector with rounded ends, includes O-Ring affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with square connector only

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2146769
Mfg#:
1H0698481B
Ships in 1-2 days
$129.99

This product was last offered at the strikethrough price on
02-26-2026

$125.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Multipurpose Relay - Priced Each

ES#2901202 - 7M0951253A - Multipurpose Relay - Priced Each - Replacement 4 pin relay - Vemo - Audi Volkswagen Porsche

Replacement 4 pin relay affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Vemo - Corporate Logo
ES#:
2901202
Mfg#:
7M0951253A
In Stock at Vendor
$22.99

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

$21.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Cooler Hose

ES#3135 - 028121053Q - Oil Cooler Hose - Runs from water pump to the oil cooler - Rein - Volkswagen

Runs from water pump to the oil cooler affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes! 2X Entries For Our 25th Anniversary Sweepstakes! 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
3135
Mfg#:
028121053Q
In Stock at Vendor
$38.91 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Glow Plug Harness - Priced Each

Electrical connection to coolant glow plugs affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Coolant Glow Plug Harness - 3 required

Brand:
Vemo - Corporate Logo
ES#:
4817866
Mfg#:
028971782A
Ships on Sep 28, 2026
$36.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Universal 12" Electric Fan - Blue

ES#2764007 - MMFAN12BL - Universal 12" Electric Fan - Blue - 934 CFM - 5.7 amps at 12.3 volts - Mishimoto - BMW Volkswagen MINI

934 CFM - 5.7 amps at 12.3 volts affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Mishimoto - Corporate Logo
ES#:
2764007
Mfg#:
MMFAN12BL
Ships in 4 Business Days
$106.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Flange Plug Kit - Priced Each

ES#2535191 - 357121140 - Coolant Flange Plug Kit - Priced Each - Includes the plug, o-ring and securing clip - URO - Audi Volkswagen

Includes the plug, o-ring and securing clip affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes! 2X Entries For Our 25th Anniversary Sweepstakes! 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
2535191
Mfg#:
357121140
In Stock
$1.71 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Expansion Tank

ES#2202551 - 1h0121407a - Coolant Expansion Tank - Clean up your engine bay or replaced your cracked unit with a new coolant expansion tank - URO - Volkswagen

Clean up your engine bay or replaced your cracked unit with a new coolant expansion tank affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes! 2X Entries For Our 25th Anniversary Sweepstakes! 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
2202551
Mfg#:
1H0121407A
Ships in 2 Business Days
$14.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Universal 14" Electric Fan - Black

ES#2764292 - MMFAN14 - Universal 14" Electric Fan - Black - 954 CFM - 5.6 amps at 12.3 volts - Mishimoto - Audi BMW Volkswagen MINI

954 CFM - 5.6 amps at 12.3 volts affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Mishimoto - Corporate Logo
ES#:
2764292
Mfg#:
MMFAN14
In Stock
$100.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Heater Core

ES#252255 - 1H1819031B - Heater Core - Located inside the dash - Valeo - Volkswagen

Located inside the dash affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Valeo - Corporate Logo
ES#:
252255
Mfg#:
1H1819031B
Special Order: No Guaranteed ETA
$102.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Universal 12" Electric Fan - Black

ES#2765250 - MMFAN12 - Universal 12" Electric Fan - Black - 934 CFM - 5.7 amps at 12.3 volts - Mishimoto - Audi BMW Volkswagen MINI

934 CFM - 5.7 amps at 12.3 volts affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Mishimoto - Corporate Logo
ES#:
2765250
Mfg#:
MMFAN12
In Stock at Vendor
$93.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Freeze Plug - Priced Each

ES#2865722 - 036103113A - Freeze Plug - Priced Each - Keep your engine block sealed. 36.6mm - Febi - Audi Volkswagen

Keep your engine block sealed. 36.6mm affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes! 2X Entries For Our 25th Anniversary Sweepstakes! 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Febi - Corporate Logo
ES#:
2865722
Mfg#:
036103113A
Ships in 2 Business Days
$7.13 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 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
302253
Mfg#:
1H0121321C
In Stock
ON SALE! SAVE 41%
$48.58

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

$28.59 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

More About Engine Cooling Parts

Optimize your engine cooling system performance and heater output with quality drive belts, coolant hoses, cooling system parts, and approved coolant fluids from ECS Tuning. Head off expensive repairs and untimely breakdowns with regularly scheduled cooling system inspection and maintenance.

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

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