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Audi B5 Cooling System Refresh Kits

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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#2804114 - 058121132CKT - Cooling Flange Replacement Kit - Cure the common coolant leak coming from the back of your engine compartment - Assembled By ECS - Audi

Cure the common coolant leak coming from the back of your engine compartment affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
For vehicles with AWM engine code only

Brand:
Assembled By ECS - Corporate Logo
ES#:
2804114
Mfg#:
058121132CKT
Ships in 1 day
ON SALE! SAVE 10%
$54.99

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

$49.55 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2608142 - 050121113CKT3 - Cooling System Refresh Kit - Level 3 - Replace critical cooling system components and perform a proper coolant system flush! - Assembled By ECS - Audi

Replace critical cooling system components and perform a proper coolant system flush! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Engine code AEB from VIN 8D-W-007800 up to VIN 8D-X-500000, splits are in the 1998-1999 model years

Brand:
Assembled By ECS - Corporate Logo
ES#:
2608142
Mfg#:
050121113CKT3
Ships on Oct 14, 2026
ON SALE!
$187.27 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement
ES#2608145 - 050121113CKT5 - Cooling System Refresh Kit - Level 3 - Replace critical cooling system components and perform a proper coolant system flush! - Assembled By ECS - Audi

Replace critical cooling system components and perform a proper coolant system flush! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Engine code AWM from VIN 8D-X-500001, split is in the 1999 model year

Brand:
Assembled By ECS - Corporate Logo
ES#:
2608145
Mfg#:
050121113CKT5
Ships in 1 Business Day
ON SALE!
$185.99

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

$177.07 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement
ES#2608135 - 030121121BKT3 - Cooling System Refresh Kit - Level 2 - Replace your thermostat, temp sensors, and expansion tank after performing a proper coolant system flush! - Assembled By ECS - Audi

Replace your thermostat, temp sensors, and expansion tank after performing a proper coolant system flush! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Engine codes AEB & ATW from VIN 8D-X-500001, split is in the 1999 model year

Brand:
Assembled By ECS - Corporate Logo
ES#:
2608135
Mfg#:
030121121BKT3
Ships in 1 Business Day
ON SALE!
$165.99

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

$155.75 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement
ES#2581800 - 8d0959481bkt-2 - Cooling System Refresh Kit - Level 1 - Replace your thermostat and temp sensors with one kit! - Assembled By ECS - Audi

Replace your thermostat and temp sensors with one kit! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Engine codes AEB & ATW from VIN 8D-X-500001, split is in the 1999 model year

Brand:
Assembled By ECS - Corporate Logo
ES#:
2581800
Mfg#:
8D0959481BKT-2
In Stock
ON SALE!
$108.99

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

$99.37 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement
ES#2778104 - 078121113fkt1 - Cooling System Refresh Kit - Service your critical cooling system components with this complete kit. - Assembled By ECS - Audi

Service your critical cooling system components with this complete kit. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Up to VIN 8D-W-007799, split is in the 1998 model year

Brand:
Assembled By ECS - Corporate Logo
ES#:
2778104
Mfg#:
078121113FKT1
Back Ordered
ON SALE! SAVE 15%
$113.99

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

$97.39 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement
ES#2804122 - 058121132KT1 - Cooling Flange Replacement Kit - Cure the common coolant leak coming from the back of your engine compartment - Assembled By ECS - Audi

Cure the common coolant leak coming from the back of your engine compartment affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
For vehicles with AEB & ATW engine codes with D-shaped coolant temp sensor

Brand:
Assembled By ECS - Corporate Logo
ES#:
2804122
Mfg#:
058121132KT1
Ships in 1 day
ON SALE! SAVE 15%
$54.99

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

$46.92 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2581805 - 8d0959481bkt-3 - Cooling System Refresh Kit - Level 1 - Replace your thermostat and temp sensors with one kit! - Assembled By ECS - Audi

Replace your thermostat and temp sensors with one kit! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Engine code AWM from VIN 8D-X-500001, split is in the 1999 model year

Brand:
Assembled By ECS - Corporate Logo
ES#:
2581805
Mfg#:
8D0959481BKT-3
In Stock
ON SALE! SAVE 14%
$108.99

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

$93.81 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement
ES#2581797 - 8d0959481bkt-1 - Cooling System Refresh Kit - Level 1 - Replace your thermostat and temp sensors with one kit! - Assembled By ECS - Audi

Replace your thermostat and temp sensors with one kit! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Engine code AEB up to VIN 8D-X-500000, split is in the 1999 model year

Brand:
Assembled By ECS - Corporate Logo
ES#:
2581797
Mfg#:
8D0959481BKT-1
Ships in 1 Business Day
ON SALE!
$99.99

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

$90.77 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement
ES#2608209 - 078121113FKT - Cooling System Refresh Kit - Level 1 - Replace your thermostat and temp sensors with one kit! - Assembled By ECS - Audi

Replace your thermostat and temp sensors with one kit! 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#:
2608209
Mfg#:
078121113FKT
In Stock
ON SALE! SAVE 19%
$109.99

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

$89.44 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement
ES#2804121 - 058121132KT - Cooling Flange Replacement Kit - Cure the common coolant leak coming from the back of your engine compartment - Assembled By ECS - Audi

Cure the common coolant leak coming from the back of your engine compartment affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
For vehicles with AEB & ATW engine codes with square coolant temp sensor

Brand:
Assembled By ECS - Corporate Logo
ES#:
2804121
Mfg#:
058121132KT
Ships on Sep 29, 2026
ON SALE! SAVE 10%
$57.99

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

$52.38 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2608133 - 06B121121LKT - Cooling System Refresh Kit - Level 2 - Replace your thermostat, temp sensors, and expansion tank after performing a proper coolant system flush! - Assembled By ECS - Audi

Replace your thermostat, temp sensors, and expansion tank after performing a proper coolant system flush! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Engine code AWM from VIN 8D-X-500001, split is in the 1999 model year

Brand:
Assembled By ECS - Corporate Logo
ES#:
2608133
Mfg#:
06B121121LKT
Ships in 1 Business Day
ON SALE!
$163.99

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

$153.85 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement
ES#2608134 - 030121121BKT2 - Cooling System Refresh Kit - Level 2 - Replace your thermostat, temp sensors, and expansion tank after performing a proper coolant system flush! - Assembled By ECS - Audi

Replace your thermostat, temp sensors, and expansion tank after performing a proper coolant system flush! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Engine code AEB from VIN 8D-W-007800 up to VIN 8D-X-500000, splits are in the 1998-1999 model years

Brand:
Assembled By ECS - Corporate Logo
ES#:
2608134
Mfg#:
030121121BKT2
Ships in 1 Business Day
ON SALE!
$157.99

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

$155.32 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement
ES#2778113 - 078121113FKT1 - Cooling System Refresh Kit - Service your critical cooling system components with this complete kit. - Assembled By ECS - Audi

Service your critical cooling system components with this complete kit. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
From VIN 8D-W-007800 Up to VIN 8D-X-315000, split is in the 1998 & 1999 model year

Brand:
Assembled By ECS - Corporate Logo
ES#:
2778113
Mfg#:
078121113FKT1
Ships in 1 Business Day
ON SALE! SAVE 11%
$114.00

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

$100.90 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement
ES#2778206 - 078121113FKT10 - Cooling System Refresh Kit - Service your critical cooling system components with this complete kit. - Assembled By ECS - Audi

Service your critical cooling system components with this complete kit. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
From VIN 8D-X-500001, split is in the 1999 model year

Brand:
Assembled By ECS - Corporate Logo
ES#:
2778206
Mfg#:
078121113FKT10
Ships in 1 Business Day
ON SALE!
$115.99

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

$113.50 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

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