Four Seasons 74626 HVAC Heater Control Valve
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Four Seasons
 Heater Valve

Four Seasons 74626 HVAC Heater Control Valve

Brand Four Seasons 74626
Bypass? No
Description Cable Operated Non-Bypass Closed Heater Valve
Hose Connector Quantity 2 Connectors
Material Plastic
O.E. Replacement? Yes
Opening B IN 0.625
Opening IN 0.625
Operation Type Cable
Style Non-Bypass
Type Heater Valves
Product line Heater Valve
Fits Ford and Lincoln · 7 vehicles

OE replacement. Direct-fit heater control valve for straightforward replacement.

Cable operated. Uses cable control for simple, familiar operation.

Plastic construction. Lightweight material with a non-bypass closed design.

Cross-references Four Seasons 74626, UAC HV1216C and 800002 for the same application. See all 12.

$37.76Free shipping
In stock · usually ships same day before 1pm CST
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Free returns within 60 days if it doesn't fit when fitment is verified.
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Four Seasons 74626 Heater Control Valve

The Four Seasons Heater Valve 74626 is an OE replacement, cable-operated heater control valve for HVAC temperature control systems. It uses a non-bypass, closed design with two hose connectors and 0.625 in. openings for direct heater hose routing.

Key Features

  • Cable-operated HVAC heater control valve
  • Non-bypass, closed valve design
  • Two hose connectors
  • 0.625 in. inlet and outlet openings
  • Plastic construction
  • OE replacement for factory-style service

Product Details

Four Seasons Heater Valve 74626 is built for temperature control in the heater circuit, regulating coolant flow to the heater core through cable actuation. This part is used in HVAC systems where a closed, non-bypass valve is required, and it matches OE-style fitment for service replacement. It cross-references UAC HV1216C for the same application. Fits 1997-2002 Ford Expedition, w/ Auxiliary Unit; Heater Valve. Fits 1998 Lincoln Navigator, Heater Valve. This Four Seasons 74626 heater control valve is a direct-fit service part for Ford Expedition and Lincoln Navigator applications listed above.

Common Issues It Can Address

  • Heater output stuck on or stuck off
  • Coolant flow not shutting off at the heater core
  • Temperature control response problems from a worn cable valve
  • Leaks at the heater valve body or hose connections
  • Incorrect heater hose routing from a failed OE-style valve

Installation Notes and Tips

Verify hose connector size, cable operation, and valve orientation before installation. Confirm the vehicle uses a non-bypass heater valve with 0.625 in. openings and two hose connections. Match the existing cable linkage and heater hose routing to the original configuration on the Ford Expedition or Lincoln Navigator listed in the fitment data.

Quality Assurance

Four Seasons supplies OE replacement HVAC components, and this heater valve is built to match factory-style service requirements for the listed applications.

Related reading

This part fits 7 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelPositionNotes
2002FordExpeditionN/Aw/ Auxiliary Unit; Heater Valve
2001FordExpeditionN/Aw/ Auxiliary Unit; Heater Valve
2000FordExpeditionN/Aw/ Auxiliary Unit; Heater Valve
1999FordExpeditionN/Aw/ Auxiliary Unit; Heater Valve
1998FordExpeditionN/Aw/ Auxiliary Unit; Heater Valve
1998LincolnNavigatorN/AHeater Valve
1997FordExpeditionN/Aw/ Auxiliary Unit; Heater Valve
Directly replaces or cross-references 12 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Four Seasons — 74626UAC — HV1216C80000215507216601363111746261914479419193212CWK800002F75Z18495AAF75Z18495ABH77817