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Volkswagen Passat Cooling System Refresh Kits

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ES#4699573 - 06L121111P - Thermostat/Water Pump Kit (Updated) - Advanced design with fewer moving parts and lower weight - without sacrificing cooling performance or warm-up temperature curve. Includes thermostat, water pump, union, and o-rings - Bremmen Parts - Audi Volkswagen Porsche
ECS Tuning recommends this product.

Advanced design with fewer moving parts and lower weight - without sacrificing cooling performance or warm-up temperature curve. Includes thermostat, water pump, union, and o-rings affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
4699573
Mfg#:
06L121111P
In Stock
ON SALE! SAVE 10%
$245.99

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

$221.39 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#5425238 - 06L121111J - Thermostat/Water Pump Kit - With Belt  - Advanced design with fewer moving parts and lower weight - without sacrificing cooling performance or warm-up temperature curve. Includes thermostat, water pump, union, and belt. - Bremmen Parts - Audi Volkswagen Porsche

Advanced design with fewer moving parts and lower weight - without sacrificing cooling performance or warm-up temperature curve. Includes thermostat, water pump, union, and belt. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
5425238
Mfg#:
06L121111J
In Stock
ON SALE! SAVE 20%
$265.99

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

$212.15 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4017762 - CHS0645 - Coolant Flange Replacement Kit  - A comprehensive kit designed to service the commonly failing cooling system components in a single repair. - Rein - Audi Volkswagen

A comprehensive kit designed to service the commonly failing cooling system components in a single repair. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!
For vehicles with AEB & ATW engine codes with D-shaped coolant temp sensor

Brand:
Rein - Corporate Logo
ES#:
4017762
Mfg#:
CHS0645
In Stock
$56.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4017071 - 03h121117aKT - Cooling System Refresh Kit - This coolant refresh kit covers the most common failures in the cooling system on your 3.6L VR6 engine - Assembled By ECS - Volkswagen

This coolant refresh kit covers the most common failures in the cooling system on your 3.6L VR6 engine affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
For vehicles with VIN from 3C-7-120 001 only, split is in the 2007 model year

Brand:
Assembled By ECS - Corporate Logo
ES#:
4017071
Mfg#:
03H121117AKT
Ships on Oct 23, 2026
ON SALE!
$600.99

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

$593.30 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement
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 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 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!
$258.99

This product was last offered at the strikethrough price on
01-03-2026

$254.27 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement
ES#2966591 - 5C0122101AAKT1 - Cooling System Refresh Kit - Level 1 - This entry level kit covers the most common failures in the cooling system - Assembled By ECS - Volkswagen

This entry level kit covers the most common failures in the cooling system affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
2966591
Mfg#:
5C0122101AAKT1
Ships in 3 Business Days
ON SALE! SAVE 49%
$846.99

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

$432.86 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement
ES#2966597 - 5C0122101AAKT4 - Cooling System Refresh Kit - Level 2 - This comprehensive kit eliminates weak spots in your cooling system - Assembled By ECS - Volkswagen

This comprehensive kit eliminates weak spots in your cooling system affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
2966597
Mfg#:
5C0122101AAKT4
Ships in 3 Business Days
ON SALE! SAVE 34%
$1270.99

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

$844.25 USD
This product is lifetime replacement eligible Partial Replacement
ES#2966589 - 5c0122101aaKT - Cooling System Refresh Kit - Level 1 - This entry level kit covers the most common failures in the cooling system - Genuine Volkswagen Audi - Volkswagen

This entry level kit covers the most common failures in the cooling system affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2966589
Mfg#:
5C0122101AAKT
Ships in 3 Business Days
$986.99

This product was last offered at the strikethrough price on
06-13-2026

$561.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement
ES#4017079 - 03h121117aKT1 - Cooling System Refresh Kit - This coolant refresh kit covers the most common failures in the cooling system on your 3.6L VR6 engine - Genuine Volkswagen Audi - Volkswagen

This coolant refresh kit covers the most common failures in the cooling system on your 3.6L VR6 engine affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with VIN from 3C-7-120 001 only, split is in the 2007 model year

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
4017079
Mfg#:
03H121117AKT1
Ships in 3 Business Days
$989.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement
ES#2966595 - 5C0122101AAKT3 - Cooling System Refresh Kit - Level 2 - This comprehensive kit eliminates weak spots in your cooling system - Genuine Volkswagen Audi - Volkswagen

This comprehensive kit eliminates weak spots in your cooling system affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2966595
Mfg#:
5C0122101AAKT3
Ships in 3 Business Days
$1410.95

This product was last offered at the strikethrough price on
06-13-2026

$986.07 USD
This product is lifetime replacement eligible Partial Replacement
ES#4265560 - 4b0121055KT -  Cooling System Refresh Kit - Level 1 - The most common failure points in your cars cooling system - Genuine Volkswagen Audi - Volkswagen

The most common failure points in your cars cooling system affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with AEB or ATW engine codes only, with VIN from 8D-Y-120001, split is in the 2000 model year.

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
4265560
Mfg#:
4B0121055KT
Ships in 8 Business Days
$477.78

This product was last offered at the strikethrough price on
02-24-2026

$475.02 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement
ES#4265538 - 038121119BKT - Cooling System Refresh Kit - Level 1 - The most common failure points in your cars cooling system - Genuine Volkswagen Audi - Volkswagen

The most common failure points in your cars cooling system affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with AUG or AWM engine codes only.

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
4265538
Mfg#:
038121119BKT
Ships in 10 Business Days
$554.51

This product was last offered at the strikethrough price on
02-24-2026

$551.63 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement
ES#2592482 - 1K0121251ABKT2 - 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 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
2592482
Mfg#:
1K0121251ABKT2
Ships on Aug 21, 2026
Auto Notify
ON SALE!
$258.99

This product was last offered at the strikethrough price on
01-03-2026

$254.27 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement
ES#2592480 - 1K0121251ABKT1 - Cooling System Refresh Kit - FSI - This comprehensive kit eliminates weak spots in your cooling system - Genuine Volkswagen Audi - Volkswagen

This comprehensive kit eliminates weak spots in your cooling system affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2592480
Mfg#:
1K0121251ABKT1
Ships on Aug 21, 2026
Auto Notify
$901.99 USD
This product is lifetime replacement eligible Partial Replacement
ES#2587052 - 8D0121251PKT - Cooling System Refresh Kit - Level 2 - This comprehensive kit eliminates weak spots in your cooling system - Assembled By ECS - Volkswagen

This comprehensive kit eliminates weak spots in your cooling system affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
For vehicles with AEB or ATW engine code with manual transmission only

Brand:
Assembled By ECS - Corporate Logo
ES#:
2587052
Mfg#:
8D0121251PKT
Ships on Oct 23, 2026
ON SALE!
$441.99

This product was last offered at the strikethrough price on
01-03-2026

$409.02 USD
This product is lifetime replacement eligible Partial Replacement
ES#2587049 - 8D0121251BCKT - Cooling System Refresh Kit - Level 2 - This comprehensive kit eliminates weak spots in your cooling system - Assembled By ECS - Volkswagen

This comprehensive kit eliminates weak spots in your cooling system affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
For vehicles with AEB or ATW engine code, automatic transmission with VIN up to 8D-Y-120000 only, split is in the 2000 model year

Brand:
Assembled By ECS - Corporate Logo
ES#:
2587049
Mfg#:
8D0121251BCKT
Ships on Oct 23, 2026
ON SALE!
$304.19 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

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