How to replace the Heater Control Valve on Chevrolet K3500?

Draining the cooling system should be the first step before heater water valve replacement. The first step in this process requires removal of the access panel nut which is located near the pollen filter along with the access panel itself. Begin the replacement by disconnecting hoses as well as the vacuum hose and remaining clamps from the hot water flow control valve before proceeding to remove the valve. Follow the installation process by putting the new hot water flow control valve into position then reconnect all hoses followed by hose clamps and vacuum hose. Replace the access panel and attach the access panel nut especially until it is fully seated and not damaged. Finally, fill the cooling system.

OEM Chevrolet K3500 Heater Control Valve

HVAC Heater Control Valve

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4 Heater Control Valves found

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Chevrolet K3500 Control Valve
Part Number: 12380318
$27.67 MSRP: $56.88
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Product Specifications
- Other Name: Valve, Heater; Heater Control Valve
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1995-2000 Chevrolet K3500 | Base, Cheyenne, LS, Silverado | 8 Cyl 5.7 L GAS, 8 Cyl 6.5 L DIESEL, 8 Cyl 7.4 L GAS
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Chevrolet K3500 Control Valve
Part Number: 52467121
Product Specifications
- Other Name: Valve, Temperature; Heater Control Valve
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1995-1996 Chevrolet K3500 | Base, Cheyenne, Silverado | 8 Cyl 5.7 L GAS, 8 Cyl 6.5 L DIESEL, 8 Cyl 7.4 L GAS
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Chevrolet K3500 Control Valve
Part Number: 52456347
Product Specifications
- Other Name: Valve, Temperature; Heater Control Valve
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1997 Chevrolet K3500 | Base, Cheyenne, Silverado | 8 Cyl 5.7 L GAS, 8 Cyl 6.5 L DIESEL, 8 Cyl 7.4 L GAS
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Chevrolet K3500 Control Valve
Part Number: 15545676
Product Specifications
- Other Name: Valve Assembly-Auxiliary Heater Water Shutoff; Heater Control Valve; Valve, Heater
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1988-1990 Chevrolet K3500 | Cheyenne, Scottsdale, Silverado | 8 Cyl 5.7 L GAS, 8 Cyl 6.2 L DIESEL, 8 Cyl 7.4 L GAS

Chevrolet K3500 Heater Control Valve

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Chevrolet K3500 Heater Control Valve Parts Questions & Experts Answers

Control Valve
12380318
Q: How to replace the Heater Control Valve on Chevrolet K3500?
A: Draining the cooling system should be the first step before heater water valve replacement. The first step in this process requires removal of the access panel nut which is located near the pollen filter along with the access panel itself. Begin the replacement by disconnecting hoses as well as the vacuum hose and remaining clamps from the hot water flow control valve before proceeding to remove the valve. Follow the installation process by putting the new hot water flow control valve into position then reconnect all hoses followed by hose clamps and vacuum hose. Replace the access panel and attach the access panel nut especially until it is fully seated and not damaged. Finally, fill the cooling system.