Dorman 902-008 Variable Restrictor Valve

Variable Restrictor Valve for OE-Style HVAC Control

Dorman 902-008 is a variable restrictor valve built to match the fit and function of the original heater control valve on specified vehicles. Its plastic housing and OE-style dimensions support reliable HVAC coolant flow control in applications that use a restrictor-style valve.

Compatible With Chrysler Town & Country, Chrysler Voyager, Dodge Caravan, Dodge Grand Caravan, Chrysler Grand Voyager, Plymouth Grand Voyager, Plymouth Voyager, Chevrolet Camaro, Pontiac Firebird, Buick Park Avenue, Buick Riviera, Oldsmobile 88, Oldsmobile 98, and Pontiac Bonneville applications across the listed model years. This part number, 902-008, is also a direct reference point for service lookups where the original valve has failed or is no longer functioning correctly.

Key Features

• Variable restrictor valve for HVAC heater control systems
• Plastic housing for lightweight OE-style construction
• Overall length: 3.55 in
• Designed to match original fit and function on specified vehicles
• Valve operation: restrictor
• Cross-reference part numbers: 4677378, 10188036

Detailed Description

Dorman 902-008 is engineered as a direct replacement variable restrictor valve for vehicles that use a restrictor-type heater control valve in the HVAC system. It is shaped to align with the original component’s fit and function, helping restore proper coolant flow control through the heater circuit. The plastic housing and compact 3.55-inch overall length support installation in applications where space and OE-style routing matter. Use 902-008 when servicing Chrysler, Dodge, Plymouth, Chevrolet, Pontiac, Buick, and Oldsmobile models listed in the fitment data, including Chrysler Town & Country and Dodge Grand Caravan.

What It Helps Fix

• Heater output that stays too hot or too cold
• Coolant flow control issues in the heater circuit
• HVAC temperature regulation problems caused by a worn valve
• Leaks or cracking at the original plastic valve housing
• Loss of proper restrictor-valve operation in the heating system

Installation Notes and Tips

Verify the original valve style, hose routing, and overall length before installation. This component is intended for vehicles that use a restrictor-style heater control valve, so confirm the OE part number and fitment against the application before service. Inspect adjacent hoses and clamps during replacement to help ensure a proper seal and stable coolant flow after installation.

Quality Assurance

Dorman designs this variable restrictor valve to match original fit and function on specified vehicles and to deliver durable, reliable performance in HVAC service. The part number 902-008 is supported by OE cross-reference numbers 4677378 and 10188036 for application matching.