Four Seasons HVAC Heater Control Valve 84707
Four Seasons HVAC Heater Control Valve 84707

Four Seasons HVAC Heater Control Valve P/N:84707

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$22.99
MPN: 84707
Item Package Quantity: 1
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Four Seasons HVAC Heater Control Valve P/N:84707
Four Seasons HVAC Heater Control Valve P/N:84707
$22.99

Take manual command of cabin heat with the Four Seasons HVAC Heater Control Valve 84707, a manually operated shut-off valve that regulates coolant flow to the heater core. It's a direct-fit replacement for a long list of classic GM trucks, including the 1961-1967 Chevrolet C10 Pickup, 1961-1967 Chevrolet C20 Pickup, 1961-1967 Chevrolet K10 Pickup, 1953-1957 Chevrolet One-Fifty and Two-Ten Series, 1942-1959 Chevrolet Truck, 1953-1959 GMC 100, 1960-1965 GMC 1000 Series, 1960-1966 GMC 3000, and many more — see the Buyer's Guide tab for the full list.

  • Manual shut-off valve: a T-handle design lets you open or close coolant flow to the heater core by hand.
  • Galvanized steel construction: built from galvanized steel.
  • Factory leak tested: each valve is leak tested at the factory before it ships.
  • Manually operated: no cables or vacuum lines — turn the T handle to control heat.

When the original valve sticks, seeps coolant, or no longer shuts off flow, this replacement lets you again control coolant flow to the heater core by hand. Backed by over 50 years of Four Seasons mobile A/C experience.

Frequently Asked Questions

What does this heater control valve do?

It regulates the flow of engine coolant to the heater core. Turning the T handle opens or closes the valve to control how much heat reaches the cabin.

How is this valve operated?

It is manually operated. A T-handle design lets you open or shut off coolant flow by hand, with no cables or vacuum lines required.

What is the valve made of?

It features galvanized steel construction and is factory leak tested before it ships.

Which vehicles does the 84707 fit?

It fits many classic Chevrolet and GMC trucks from the 1940s through 1967, such as the C10, C20, K10 Pickups and GMC 1000/1500 Series. Check the Buyer's Guide tab for the full list.

What are signs this valve may need replacing?

Common signs include a valve that sticks or won't turn, coolant seeping from the valve, or heat that won't shut off. Diagnose the cause before replacing.

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