399679 RANCO Heater Control Valve Oldsmobile Cutlass

Review RANCO Heater Control Valve Fits Oldsmobile 442 for OLDSMOBILE CUTLASS 1968–1970

Ranco 399679 Heater Control Valve - Compatible with 1968, 1969, and 1970 Oldsmobile 442 and Cutlass

The Ranco 399679 Heater Control Valve is designed specifically for Oldsmobile 442 and Cutlass models produced between 1968 and 1970. This heater control valve is an essential component of your vehicle's heating system, regulating the flow of coolant to maintain optimal engine temperature and ensure reliable performance.

The Ranco 399679 Heater Control Valve is meticulously engineered to meet the exacting standards of Oldsmobile automobiles. Its robust construction is built to withstand the test of time, ensuring that it functions reliably in various driving conditions. The valve body is made from high-quality brass, ensuring resistance to corrosion and enabling the valve to maintain its shape and integrity even after prolonged use.

This heater control valve features a diaphragm-operated design, which provides precise control over coolant flow. The diaphragm is made from a durable elastomer material, offering excellent flexibility and sealing capabilities. The valve's operation is governed by a thermostat, which opens and closes the valve based on engine temperature. This ensures that your vehicle's heating system is always functioning at its best, providing you with optimal comfort during those cold winter months.

The Ranco 399679 Heater Control Valve is straightforward to install, making it an excellent choice for both professional mechanics and DIY enthusiasts. It comes complete with all necessary mounting hardware, ensuring a hassle-free installation process. Additionally, the valve's O-ring seals are pre-lubricated, reducing the likelihood of leaks and making the installation process even smoother.

In summary, the Ranco 399679 Heater Control Valve is a high-quality, reliable, and easy-to-install component designed specifically for Oldsmobile 442 and Cutlass models from 1968 to 1970. By ensuring optimal engine temperature and reliable heating system performance, this valve helps to maintain the overall health and longevity of your vehicle.

The Ranco 399679 heater control valve is a replacement part specifically designed for Oldsmobile 442 Cutlass vehicles manufactured between 1968 and 1970. This valve plays a crucial role in regulating the temperature of the engine coolant that flows to the heater core, ensuring optimal heating performance. Let's examine the pros and cons of purchasing this part to help you make an informed decision.

1. OEM Compatibility: The Ranco 399679 is a factory original equipment (OEM) replacement part, ensuring a perfect fit and function for your Oldsmobile 442 Cutlass.

2. Improved Heater Performance: A faulty heater control valve can lead to poor heating performance or no heating at all. Replacing the valve with a new one can significantly improve your vehicle's heating capabilities.

3. Durability: This heater control valve is manufactured with high-quality materials, designed to withstand the rigors of extended use and provide long-lasting performance.

4. Easy Installation: The installation process for this valve is relatively straightforward and can be completed in a few hours, making it a convenient and accessible repair solution.

1. Cost: Original equipment replacement parts like the Ranco 399679 can be more expensive compared to aftermarket alternatives. However, the potential benefits, such as improved performance and longevity, may justify the investment.

2. Limited Availability: While the Ranco 399679 is available at various retailers, it may not be as widely stocked as aftermarket parts, making it slightly more challenging to find and purchase.

The Ranco 399679 heater control valve is an excellent choice for Oldsmobile 442 Cutlass owners seeking a reliable, high-performance replacement part for their vehicle. Its OEM compatibility, improved heating capabilities, durability, and easy installation make it a worthwhile investment. While the cost may be a concern for some, the potential benefits, such as enhanced performance and longevity, often outweigh the initial expense.

If you are looking for a replacement heater control valve for your Oldsmobile 442 Cutlass and prioritize original equipment performance and longevity, the Ranco 399679 is an excellent choice. Considering the benefits, the investment in this part is likely to provide you with a satisfactory heating experience and peace of mind.

Details:

Heater valve fits gm family of cars in compatibility list, list.

specifications aircondiheat:

• for models: Cutlass
• for makes: Oldsmobile
• for years: 1968–1970
• brand: Ranco
• mpn: 399679
• part type: Control Valve Heater
• manufacturer warranty: No
• vintage part: Yes
• country of origin: United States

seller aircondiheat:

• # reviews: 3751
• rating: 100.0%
• city: south plainfield, new jersey

general aircondiheat:

• category: Auto Parts > Car Truck Accessories > Air Conditioning Heating

payments aircondiheat:

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• other

offer aircondiheat:

• sold #: 12
• options: ship-to-home
• in stock #: 5
• started: october 24, 2025
• availability: in stock
• prices: $15.00–$59.00
• item condition:
  • New
  • New other (see details)

shipping aircondiheat:

• service: usps ground advantage
• class: standard
• carrier: usps
• transit: 5-11 days
• type: calculated

returns aircondiheat:

• time: 30 days
• paid by: seller
• policy: returns accepted