HomeBelts and Cooling > Thermostat and HousingMotorad CH3055 Engine Coolant Thermostat Housing
Part #: CH3055

Motorad CH3055 Engine Coolant Thermostat Housing

⚙️ 74 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Chevrolet, G10, G20, G30, P20, and P30
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Reliable Engine Coolant Thermostat Housing for Chevrolet Vans

The Motorad CH3055 engine coolant thermostat housing is designed to provide a durable and precise fit for Chevrolet G10, G20, G30, P20, and P30 models. Constructed from steel with a silver finish, this thermostat housing ensures reliable performance in your vehicle's cooling system.

  • Made from durable steel material for long-lasting use
  • Silver color finish for corrosion resistance
  • Outlet port diameter of 1.47 inches for proper coolant flow
  • Includes gasket or seal for secure installation
  • Features two mounting holes for stable attachment
  • Compatible with Chevrolet G10, G20, G30, P20, and P30 models

Product Details and Specifications

The Motorad CH3055 thermostat housing is engineered to meet the exact specifications required by Chevrolet vans including the G10, G20, G30, P20, and P30. Its steel construction offers strength and resistance to heat and corrosion, essential for maintaining the integrity of the engine cooling system. The outlet port diameter measures 1.47 inches, ensuring proper coolant flow and system efficiency. This part includes a gasket or seal to help prevent leaks and maintain a tight connection. With two mounting holes, the housing can be securely fastened to the engine block, providing a stable and reliable fit.

Compatible Vehicles and Common Applications

  • Chevrolet G10 engine coolant thermostat housing replacement
  • Chevrolet G20 cooling system repair part
  • Chevrolet G30 thermostat housing for engine coolant regulation
  • Chevrolet P20 and P30 vans requiring a steel thermostat housing
  • Replacement part for maintaining proper engine temperature control

Installation Notes and Tips

When installing the Motorad CH3055 thermostat housing, ensure the engine is cool before beginning work. Use the included gasket or seal to prevent coolant leaks and tighten mounting bolts evenly to avoid warping the housing. Verify the outlet port diameter matches your vehicle’s specifications to ensure proper coolant flow. Although mounting bolts are not included, use the original hardware or appropriate replacements to secure the housing firmly.

Quality Assurance and Warranty Information

Motorad manufactures the CH3055 thermostat housing to meet industry standards for durability and fitment. The steel construction and included gasket contribute to a reliable seal and long service life. While specific warranty details are not provided, Motorad parts typically adhere to quality control processes to ensure compatibility and performance with Chevrolet G10, G20, G30, P20, and P30 models.

BrandMotorad
Part NumberCH3055
MaterialSteel
ColorSilver
Outlet Port Diameter1.47
Gasket Or Seal IncludedYes
Mounting Hole Quantity2
Bolts IncludedNo
Outlet Diameter1.47 in

This part fits 74 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
1978ChevroletG105.7LV8N/AIncludes housing and gasket; without Threaded Fitting
1978ChevroletG105.0LV8N/AIncludes housing and gasket; without Threaded Fitting
1978ChevroletG206.6LV8N/AIncludes housing and gasket; without Threaded Fitting
1978ChevroletG205.7LV8N/AIncludes housing and gasket; without Threaded Fitting
1978ChevroletG306.6LV8N/AIncludes housing and gasket; without Threaded Fitting
1978ChevroletG305.7LV8N/AIncludes housing and gasket; without Threaded Fitting
1978ChevroletG305.0LV8N/AIncludes housing and gasket; without Threaded Fitting
1978ChevroletP307.4LV8N/AEngine Coolant Water Outlet with housing and gasket included.
1978GMCG155.7LV8N/AIncludes housing and gasket; without Threaded Fitting
1978GMCG155.0LV8N/AIncludes housing and gasket; without Threaded Fitting
1978GMCG256.6LV8N/AIncludes housing and gasket; without Threaded Fitting
1978GMCG255.7LV8N/AIncludes housing and gasket; without Threaded Fitting
1978GMCG355.7LV8N/AIncludes housing and gasket; without Threaded Fitting
1977ChevroletG105.7LV8N/AIncludes housing and gasket; without Threaded Fitting
1977ChevroletG105.0LV8N/AIncludes housing and gasket; without Threaded Fitting
1977ChevroletG206.6LV8N/AIncludes housing and gasket; without Threaded Fitting
1977ChevroletG205.7LV8N/AIncludes housing and gasket; without Threaded Fitting
1977ChevroletG306.6LV8N/AIncludes housing and gasket; without Threaded Fitting
1977ChevroletG305.7LV8N/AIncludes housing and gasket; without Threaded Fitting
1977ChevroletP307.4LV8N/AEngine Coolant Water Outlet with housing and gasket included.
1977GMCG155.7LV8N/AIncludes housing and gasket; without Threaded Fitting
1977GMCG155.0LV8N/AIncludes housing and gasket; without Threaded Fitting
1977GMCG256.6LV8N/AIncludes housing and gasket; without Threaded Fitting
1977GMCG255.7LV8N/AIncludes housing and gasket; without Threaded Fitting
1977GMCG355.7LV8N/AIncludes housing and gasket; without Threaded Fitting
1976ChevroletG106.6LV8N/AEngine Coolant Water Outlet with housing and gasket included.
1976ChevroletG105.7LV8N/AIncludes housing and gasket; without Threaded Fitting
1976ChevroletG207.4LV8N/AEngine Coolant Water Outlet with housing and gasket included.
1976ChevroletG206.6LV8N/AIncludes housing and gasket; without Threaded Fitting
1976ChevroletG205.7LV8N/AIncludes housing and gasket; without Threaded Fitting
1976ChevroletG307.4LV8N/AEngine Coolant Water Outlet with housing and gasket included.
1976ChevroletG306.6LV8N/AIncludes housing and gasket; without Threaded Fitting
1976ChevroletG305.7LV8N/AIncludes housing and gasket; without Threaded Fitting
1976ChevroletP207.4LV8N/AEngine Coolant Water Outlet with housing and gasket included.
1976ChevroletP307.4LV8N/AEngine Coolant Water Outlet with housing and gasket included.
1976GMCG156.6LV8N/AIncludes housing and gasket; without Threaded Fitting
1976GMCG155.7LV8N/AIncludes housing and gasket; without Threaded Fitting
1976GMCG257.4LV8N/AIncludes housing and gasket; without Threaded Fitting
1976GMCG256.6LV8N/AIncludes housing and gasket; without Threaded Fitting
1976GMCG255.7LV8N/AIncludes housing and gasket; without Threaded Fitting
1976GMCG355.7LV8N/AIncludes housing and gasket; without Threaded Fitting
1975ChevroletG105.7LV8N/AIncludes housing and gasket; without Threaded Fitting
1975ChevroletG206.6LV8N/AIncludes housing and gasket; without Threaded Fitting
1975ChevroletG205.7LV8N/AIncludes housing and gasket; without Threaded Fitting
1975ChevroletG307.4LV8N/AEngine Coolant Water Outlet with housing and gasket included.
1975ChevroletG306.6LV8N/AIncludes housing and gasket; without Threaded Fitting
1975ChevroletG305.7LV8N/AIncludes housing and gasket; without Threaded Fitting
1975ChevroletP307.4LV8N/AEngine Coolant Water Outlet with housing and gasket included.
1975GMCG155.7LV8N/AIncludes housing and gasket; without Threaded Fitting
1975GMCG257.4LV8N/AIncludes housing and gasket; without Threaded Fitting
1975GMCG256.6LV8N/AIncludes housing and gasket; without Threaded Fitting
1975GMCG255.7LV8N/AIncludes housing and gasket; without Threaded Fitting
1975GMCG355.7LV8N/AIncludes housing and gasket; without Threaded Fitting
1974GMCG15/G1500 Van5.7LV8N/AIncludes housing and gasket; without Threaded Fitting
1974GMCG25/G2500 Van5.7LV8N/AIncludes housing and gasket; without Threaded Fitting
1974GMCG35/G3500 Van7.4LV8N/AEngine Coolant Water Outlet with housing and gasket included.
1974GMCG35/G3500 Van5.7LV8N/AIncludes housing and gasket; without Threaded Fitting
1973GMCG15/G1500 Van5.7LV8N/AIncludes housing and gasket; without Threaded Fitting
1973GMCG15/G1500 Van5.0LV8N/AIncludes housing and gasket; without Threaded Fitting
1973GMCG25/G2500 Van5.7LV8N/AIncludes housing and gasket; without Threaded Fitting
1973GMCG25/G2500 Van5.0LV8N/AIncludes housing and gasket; without Threaded Fitting
1973GMCG35/G3500 Van7.4LV8N/AEngine Coolant Water Outlet with housing and gasket included.
1973GMCG35/G3500 Van5.7LV8N/AIncludes housing and gasket; without Threaded Fitting
1973GMCG35/G3500 Van5.0LV8N/AIncludes housing and gasket; without Threaded Fitting
1972GMCG15/G1500 Van4.1LL6N/AIncludes housing and gasket; Vertical Outlet
1972GMCG25/G2500 Van4.1LL6N/AIncludes housing and gasket; Vertical Outlet
1972GMCG35/G3500 Van4.1LL6N/AIncludes housing and gasket; Vertical Outlet
1971GMCG15/G1500 Van4.1LL6N/AIncludes housing and gasket; Vertical Outlet
1971GMCG25/G2500 Van4.1LL6N/AIncludes housing and gasket; Vertical Outlet
1971GMCG35/G3500 Van4.1LL6N/AIncludes housing and gasket; Vertical Outlet
1966GMCG1000 Series3.8LL6N/AIncludes housing and gasket; Vertical Outlet
1966GMCG1000 Series3.2LL6N/AIncludes housing and gasket; Vertical Outlet
1965GMCG1000 Series3.8LL6N/AEngine Coolant Water Outlet with housing and gasket included.
1965GMCG1000 Series3.2LL6N/AIncludes housing and gasket; Vertical Outlet

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

383620984804902-20559CH3055CH3055NI

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.