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Volkswagen MK5 Engine Cooling Parts

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Cooling System Refresh Kit

ES#2765948 - 5K0121251HKT2 - Cooling System Refresh Kit - 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 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
2765948
Mfg#:
5K0121251HKT2
In Stock
ON SALE!
$275.99

This product was last offered at the strikethrough price on
04-13-2026

$265.36 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Cooling Hose Retaining Clip - Priced Each

ES#2538001 - 1J0121142 - Cooling Hose Retaining Clip - Priced Each - Secures the radiator hose flange in place. 32mm - Febi - Audi Volkswagen

Secures the radiator hose flange in place. 32mm 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Febi - Corporate Logo
ES#:
2538001
Mfg#:
1J0121142
In Stock
$2.07 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Engine Oil Cooler Gasket

ES#2800396 - 06J117070C - Engine Oil Cooler Gasket - Connects oil cooler to oil filter housing - Ajusa - Audi Volkswagen

Connects oil cooler to oil filter housing For vehicles with TSI engines only

Brand:
Ajusa - Corporate Logo
ES#:
2800396
Mfg#:
06J117070C
Back Ordered
Auto Notify
$10.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Quick Coupler

ES#4810736 - 1K0122291C - Quick Coupler - Connects upper radiator hose to return line - Rein - Audi Volkswagen

Connects upper radiator hose to return line 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
4810736
Mfg#:
1K0122291C
In Stock
$7.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

WATER HOSE

ES#4151262 - 1K0122063G - WATER HOSE - Rein - Audi Volkswagen

2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
4151262
Mfg#:
1K0122063G
In Stock
$19.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat

ES#252671 - 06F121111F - Thermostat - Complete assembly including housing - Genuine Volkswagen Audi - Audi Volkswagen

Complete assembly including housing For vehicles with FSI engines only

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
252671
Mfg#:
06F121111F
Ships in 4 Business Days
7% off MSRP

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

$138.99

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

$129.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Silicone Coolant Hose Kit - Red

ES#1832513 - FMKC010R - Silicone Coolant Hose Kit - Red - Improves performance, durability, along with providing a cleaner look. Eight piece kit - Forge - Audi Volkswagen

Improves performance, durability, along with providing a cleaner look. Eight piece kit For vehicles with BPY engine code only

Brand:
Forge - Corporate Logo
ES#:
1832513
Mfg#:
FMKC010R
Ships in 3 Business Days
$256.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Plastic Water Distribution Pipe

ES#4219 - 022121050 - Plastic Water Distribution Pipe - Pipe from back of water pump to thermostat housing, located under intake manifold. Commonly referred to as the crack pipe. - Genuine Volkswagen Audi - Audi Volkswagen

Pipe from back of water pump to thermostat housing, located under intake manifold. Commonly referred to as the crack pipe.

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
4219
Mfg#:
022121050
Ships in 1-2 days
7% off MSRP

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

$67.99

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

$62.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Supply Tube

ES#285947 - 07K121065P - Coolant Supply Tube - Connects the upper reservior hose to the upper radiator hose - Genuine Volkswagen Audi - Volkswagen

Connects the upper reservior hose to the upper radiator hose

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
285947
Mfg#:
07K121065P
Ships in 1-2 days
7% off MSRP

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

$264.99

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

$246.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Radiator Hose - Upper

ES#2528945 - 1K0122101KT - Radiator Hose - Upper - Connects the upper radiator port to the water pump housing and transmission cooler - Genuine Volkswagen Audi - Audi Volkswagen

Connects the upper radiator port to the water pump housing and transmission cooler For vehicles with CBFA engine code with DSG transmission only

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2528945
Mfg#:
1K0122101KT
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.

$286.99

This product was last offered at the strikethrough price on
07-11-2026

$243.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Thermostat Replacement Kit

ES#2765882 - G013A8J1GKT2 - Thermostat Replacement Kit - Maintain proper operating temperature with a new thermostat, housings and hardware - Assembled By ECS - Volkswagen

Maintain proper operating temperature with a new thermostat, housings and hardware 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
2765882
Mfg#:
G013A8J1GKT2
Back Ordered
ON SALE!
$255.99

This product was last offered at the strikethrough price on
04-13-2026

$241.89 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Heater Core Return Hose

ES#2064744 - 5C0122073A - Heater Core Return Hose - Connects rear thermostat housing to heater core - Genuine Volkswagen Audi - Volkswagen

Connects rear thermostat housing to heater core For vehicles with automatic transmission only

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2064744
Mfg#:
5C0122073A
In Stock
Limited Qty Sale
$268.99

This product was last offered at the strikethrough price on
06-15-2026

$239.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Thermostat Replacement Kit

ES#2582100 - 07K121113BKT - Thermostat Replacement Kit - Everything you need to service a faulty thermostat - Genuine Volkswagen Audi - Volkswagen

Everything you need to service a faulty thermostat

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2582100
Mfg#:
07K121113BKT
Ships in 2 Business Days
$247.99

This product was last offered at the strikethrough price on
04-20-2026

$238.99 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Spring Band Clamp - Priced Each

ES#261790 - N90687201 - Spring Band Clamp - Priced Each - Ensure a leak free installation. 40x12 - Genuine Volkswagen Audi - Audi Volkswagen

Ensure a leak free installation. 40x12

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
261790
Mfg#:
N90687201
In Stock
$6.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Distribution Pipe

ES#3618084 - 1K0121087H - Coolant Distribution Pipe - Found in the upper radiator hose, this piece is prone to cracking - URO - Audi Volkswagen

Found in the upper radiator hose, this piece is prone to cracking 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!
For vehicles with FSI engines only

Brand:
URO - Corporate Logo
ES#:
3618084
Mfg#:
1K0121087H
In Stock
$12.89 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

All-Metal Water Pump Module (06H121026DD)

ES#4821295 - 06H121026DD-AL - All-Metal Water Pump Module (06H121026DD) - Complete water pump housing module, includes OE thermostat, OE temp sensor, and OE gaskets - Featuring a full coated aluminum housing! - Pierburg - Audi Volkswagen

Complete water pump housing module, includes OE thermostat, OE temp sensor, and OE gaskets - Featuring a full coated aluminum housing! For vehicles with TSI engines only

Brand:
Pierburg - Corporate Logo
ES#:
4821295
Mfg#:
06H121026DD-AL
Special Order: No Guaranteed ETA
$228.99 USD
Free Shipping
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.

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