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Volkswagen Passat Cooling System Service & Maintenance Parts

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Mishimoto Liquid Chill Radiator Coolant Additive - 4oz

ES#2764643 - MMRALC - Mishimoto Liquid Chill Radiator Coolant Additive - 4oz - Pairs with all types of coolant to increase heat transfer and decrease engine temps. - Mishimoto - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Pairs with all types of coolant to increase heat transfer and decrease engine temps.

Brand:
Mishimoto - Corporate Logo
ES#:
2764643
Mfg#:
MMRALC
In Stock
$22.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Silicone Coolant Hose Kit - Select Your Color

ES#4660181 - AUT-MK5-002 - Silicone Coolant Hose Kit - Select Your Color - Replace your stock rubber hoses with silicone - Autobahn Autoworx - Audi Volkswagen

Replace your stock rubber hoses with silicone Install photos also show the Silicone PCV Hose Set (ES4362450) which is not included but available separately.
For vehicles with BPY engine code only

Brand:
Autobahn Autoworx - Corporate Logo
ES#:
4660181
Mfg#:
AUT-MK5-002
Ships in 1 Business Day
Starting at $200.00 USD
Customize
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Lock Carrier Tool - M10

ES#4492729 - 01598SCH01 - Lock Carrier Tool - M10 - Extended lock carrier bolt to make extra room without removing the entire front end. - Schwaben - Audi Volkswagen

Extended lock carrier bolt to make extra room without removing the entire front end. 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Schwaben - Corporate Logo
ES#:
4492729
Mfg#:
01598SCH01
In Stock
ON SALE! SAVE 25%
$10.99

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

$8.21 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

G13 Coolant / Antifreeze - 5 Liter

ES#2872898 - G013A8JM1S1 - G13 Coolant / Antifreeze - 5 Liter - Lilac OE VW/Audi specification concentrate lifetime coolant - Febi - Audi Volkswagen

Lilac OE VW/Audi specification concentrate lifetime coolant 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Febi - Corporate Logo
ES#:
2872898
Mfg#:
G013A8JM1S1
In Stock at Vendor
$76.99

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

$74.99 USD
Free Shipping
on orders $49 and up

Purple Ice - 12oz

ES#2793046 - 01600 - Purple Ice - 12oz - High performance coolant conditioner - Royal Purple - Audi BMW Volkswagen Mercedes Benz MINI Porsche

High performance coolant conditioner

Brand:
Royal Purple - Corporate Logo
ES#:
2793046
Mfg#:
01600
Ships in 5 Business Days
$12.99 USD
Free Shipping
on orders $49 and up

Coolant Tester

ES#2696212 - V99-1005 - Coolant Tester - Make sure your coolant is safe from freezing! - Vaico - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Make sure your coolant is safe from freezing! We Price Match - Give Us A Call or Chat!

Brand:
Vaico - Corporate Logo
ES#:
2696212
Mfg#:
V99-1005
Back Ordered
$51.99

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

$37.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

HVAC Heater Control Valve

ES#3471436 - 5Q0906457K - HVAC Heater Control Valve - Heater Control Solenoid Valve - Genuine Volkswagen Audi - Audi Volkswagen

Heater Control Solenoid Valve

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3471436
Mfg#:
5Q0906457K
Ships in 1 day
7% off MSRP

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

$298.99

This product was last offered at the strikethrough price on
08-04-2026

$278.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Zerex Ht-12 Pink

Si-OAT technology specifically engineered for modern BMW, VW, Audi, and Porsche vehicles.

Brand:
Zerex - Corporate Logo
ES#:
5435259
Mfg#:
904683
In Stock at Vendor
$25.99

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

$24.99 USD
This product is lifetime replacement eligible Lifetime Replacement

Cooling System Refresh Kit - TSI

ES#2765422 - 1K0121251ABKT4 - Cooling System Refresh Kit - TSI - This comprehensive kit eliminates weak spots in your cooling system - Assembled By ECS - Volkswagen

This comprehensive kit eliminates weak spots in your cooling system 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
2765422
Mfg#:
1K0121251ABKT4
Ships on Aug 21, 2026
Auto Notify
ON SALE!
$254.99

This product was last offered at the strikethrough price on
06-18-2026

$247.28 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

Thermostat Replacement Kit

ES#2794834 - 03H121113KT1 - Thermostat Replacement Kit - Designed to easy installation procedure of thermostat and prevent a re-do - Assembled By ECS - Volkswagen

Designed to easy installation procedure of thermostat and prevent a re-do 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
2794834
Mfg#:
03H121113KT1
Ships in 1 day
ON SALE!
$225.99

This product was last offered at the strikethrough price on
06-18-2026

$223.97 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Thermostat Replacement Kit

ES#3691730 - 06k121121eKT - Thermostat Replacement Kit - Includes a thermostat, housing, O-ring and bolts - Genuine Volkswagen Audi - Volkswagen

Includes a thermostat, housing, O-ring and bolts

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3691730
Mfg#:
06K121121EKT
Ships in 1 day
$204.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat Replacement Kit

ES#2586885 - 06H121113BKT - Thermostat Replacement Kit - Includes a thermostat, housing, O-ring and bolts - Genuine Volkswagen Audi - Volkswagen

Includes a thermostat, housing, O-ring and bolts For vehicles with CCTA engine code only

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2586885
Mfg#:
06H121113BKT
Ships in 1 day
$176.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Meyle Anti-Freeze / Coolant Concentrate - 1.5 Liter (G13)

ES#5443792 - 0140169600 - Meyle Anti-Freeze / Coolant Concentrate - 1.5 Liter (G13) - Lilac OE VW/Audi specification concentrate lifetime coolant. Meets MB 325.5 Specification. - Meyle - Audi Volkswagen Mercedes Benz

Lilac OE VW/Audi specification concentrate lifetime coolant. Meets MB 325.5 Specification. 2X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Meyle - Corporate Logo
ES#:
5443792
Mfg#:
0140169600
In Stock
$18.99 USD
Free Shipping
on orders $49 and up

Thermostat Replacement Kit

ES#2763367 - 075121113DKT3 - Thermostat Replacement Kit - Includes the parts you'll want to replace while performing a thermostat replacement - Assembled By ECS - Volkswagen

Includes the parts you'll want to replace while performing a thermostat replacement 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
2763367
Mfg#:
075121113DKT3
In Stock
ON SALE!
$71.99

This product was last offered at the strikethrough price on
06-18-2026

$71.18 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

More About Cooling System Service & Maintenance Parts

From individual cooling system parts to full cooling system refresh kits and cooling system upgrades, we have it all right here so you can keep your engine temperature in check or improve cooling system performance to meet the demands you place on your car.

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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