604-5112

The Dorman 604-5112 HVAC Heater Water Shut-Off Valve Actuator is a crucial component for maintaining the heating system in select Kenworth vehicles. This actuator is specifically designed to operate the heater water shut-off valve, ensuring the safe and efficient functioning of the heating system.

The actuator is engineered with a robust, corrosion-resistant construction to withstand the harsh conditions of a commercial vehicle environment. The body is made from brass, providing excellent durability and resistance to wear and tear. The diaphragm, which plays a vital role in the actuation process, is constructed from an elastomer material that is resilient and capable of withstanding repeated use and temperature fluctuations.

The Dorman 604-5112 HVAC Heater Water Shut-Off Valve Actuator operates using hydraulic pressure. When the heating system calls for heat, the actuator receives hydraulic pressure, which causes it to actuate the heater water shut-off valve. This valve controls the flow of water to the heater core, allowing the engine coolant to circulate and absorb heat as needed. When the heating demand subsides, the actuator releases the pressure, allowing the valve to close and prevent water from flowing to the heater core, thereby conserving water and reducing the risk of overheating.

This actuator is a direct replacement for the original equipment on select Kenworth models, including but not limited to the T2000, T300, T400, and T600 series. It is essential to note that the installation process may require some modification to the vehicle's wiring harness, depending on the wiring configuration of the specific vehicle. This modification may involve the use of a wiring harness adapter, which is not included in the package.

In summary, the Dorman 604-5112 HVAC Heater Water Shut-Off Valve Actuator is a vital component for maintaining the heating system in select Kenworth vehicles. Its robust construction, hydraulic operation, and ability to directly replace the original equipment make it an excellent choice for commercial vehicle owners and fleet operators seeking a reliable and cost-effective solution.

The Dorman 604-5112 HVAC heater water shut-off valve actuator is a component used in heavy-duty vehicles, such as Kenworth trucks, to regulate the water flow in the heating system. Here are some potential pros and cons of buying this part.

1. Improved Heater Performance: A faulty water shut-off valve actuator can result in poor heater performance or even heater failure. Replacing this part can ensure proper water flow and enhance the overall performance of the heating system.

2. Prevent Water Damage: A functioning water shut-off valve actuator helps prevent water damage to the engine and other critical vehicle components by shutting off the water supply when the temperature reaches a certain point.

3. Extends Vehicle Lifespan: Regular maintenance, including replacing worn-out parts like the water shut-off valve actuator, can help extend the lifespan of your Kenworth truck.

4. Cost-Effective: The Dorman 604-5112 HVAC heater water shut-off valve actuator is a cost-effective solution for Kenworth truck owners as it is often less expensive than dealing with the consequences of a malfunctioning heater system, such as engine damage or heater core replacement.

1. Installation Complexity: Installing the water shut-off valve actuator may require specialized tools and knowledge, potentially incurring additional labor costs.

2. Availability: Depending on the location and availability of the part, it may take some time to receive the Dorman 604-5112 HVAC heater water shut-off valve actuator.

3. Compatibility: Ensure that the Dorman 604-5112 part number is compatible with your specific Kenworth model and year before purchasing.

In conclusion, the Dorman 604-5112 HVAC heater water shut-off valve actuator is a crucial component for maintaining the proper functioning of the heating system in Kenworth trucks. While there are some potential cons, such as installation complexity and availability, the benefits, including improved heater performance, water damage prevention, extended vehicle lifespan, and cost-effectiveness, make it a worthwhile investment for Kenworth truck owners.

Recommendation: If you notice any issues with your Kenworth truck's heating system, consider replacing the water shut-off valve actuator with a new one, such as the Dorman 604-5112 part. This investment can help prevent further damage and ensure optimal vehicle performance. Make sure you purchase the correct part number for your Kenworth model and year, and consider consulting a professional mechanic for installation if needed.

Details:

Durable construction - this part is made from quality materials to ensure reliable performance and long service life. Hvac heater water shut-off valve actuator compatible with some kenworth:: Dorman 604-5112 select kenworth model's. Direct replacement - this hvac heater water shut-off valve actuator is made to match the fit and performance of original on specific vehicle applications. Trustworthy quality - backed by team of product experts in the USA and more than a century automotive experience.

Ideal solution - this actuator is a reliable replacement for an original part that has failed due to collision damage or fatigue.

specifications maxohvac:

• brand: Dorman Products
• mpn: 604-5112
• part type: Water Hvac Heater Valve Actuator
• upc: 037495910064

offer maxohvac:

• options: ship-to-home
• sold #: 13
• prices: $39.82–$71.43
• item condition: New
• started: november 27, 2025
• availability: in stock

payments maxohvac:

• credit card: visa
• wallet: paypal
• other

general maxohvac:

• category: Business & Industrial > Hvac Refrigeration

returns maxohvac:

• policy: returns accepted
• time: 30 days
• paid by: buyer
• method: money back

shipping maxohvac:

• service: standard
• class: standard
• transit: 19-30 days
• type: fixed

seller maxohvac:

• # reviews: 74105
• city: clawson, michigan
• rating: 99.2%

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