87240-35070 HAVC Heater Water Control Valve Compatible with 1998-2002 Toyota 4Runner Heater-Core Flow Controller Water Valve Assembly Replace For 8724035070

Part Name: Heater Water Control ValveBrand: RydSunsLocation: FrontReplace Part Number: 87240-35070, 8724035070Product Material: Nylon, Rubber, MetalColor: Black Warranty: 1 YearFitment: Fit For 1998 Toyota 4Runner 2.7L 3RZ-FE / 3.4L 5VZ-FE (SR5/Limited)Fit For 1999 Toyota 4Runner 2.7L 3RZ-FE / 3.4L 5VZ-FE (SR5/Limited)Fit For 2000 Toyota 4Runner 2.7L 3RZ-FE / 3.4L 5VZ-FE (SR5/Limited)Fit For 2001 Toyota 4Runner 2.7L 3RZ-FE / 3.4L 5VZ-FE (SR5/Limited)Fit For 2002 Toyota 4Runner 2.7L 3RZ-FE / 3.4L 5VZ-FE (SR5/Limited)Include Packing: 1 x Water Valve AssemblyAdvantage:Precise Temperature Control：The heater control valve adjusts coolant flow to the heater core based on driver settings. In vehicles with automatic climate systems, it works with the onboard computer to keep cabin temperature stable.Improved A/C Efficiency：By shutting off hot coolant flow to the heater core during A/C operation, the valve prevents unwanted heat from entering the system. This increases cooling efficiency, reduces compressor load, and contributes to lower fuel consumption and energy use.Defrosting Performance：In cold or humid conditions, the valve quickly opens to allow full hot coolant flow into the heater core. This speeds up windshield and side window defogging, ensuring clear visibility and safer driving.Overpressure Protection：The valve includes bypass or throttling mechanisms to redirect excess coolant back to the pump or engine block. This prevents pressure buildup in the heater core, protecting it from damage and extending the system’s service life.Compact Design：Typically integrated into the coolant inlet line, the valve features a space-efficient design. It can be replaced or serviced quickly without requiring major disassembly, simplifying maintenance.Enhanced Driving Experience：By delivering smooth transitions between hot and cold coolant flow, the valve minimizes pipe vibration and system lag. This ensures fast HVAC response times and boosts both ride comfort and long-term vehicle reliability.

• Overtime，A high-failure point on older is the OEM heater control valve, whose plastic seal rings and valve arm eventually crack or leak, causing coolant loss and cabin heat failure. Our direct-fit replacement is built to OEM specifications and tested to eliminate leaks, arm breakage, and overheating issues
• 【Compatibility Vehicles】Fit for Toyota 4Runner 1998 1999 2000 2001 2002
• 【Replace Part Number】87240-35070, 8724035070
• 【Premium Material】Crafted from high-strength, glass-filled nylon body with brass valve insert and EPDM high-temperature seals for superior corrosion resistance, thermal stability, and leak-free performance
• 【Feature】The precision-machined valve arm and stem prevent cracking under heat cycling, and optimized coolant flow control ensures reliable cabin heating by avoiding core flooding or starvation, even in extreme conditions
• 【Buy With Confidence】Purchase the RydSuns Heater Water Control Valve with confidence, backed by a 1-year warranty. Should it malfunction, contact us for a prompt replacement. Enjoy excellent value as a reliable, cost-effective alternative to dealership pricing, with no compromise on quality or peace of mind