HomeBelts and Cooling > Thermostat and HousingMotorad CH2901 Thermostat Bypass Pipe
Part #: CH2901

Motorad CH2901 Thermostat Bypass Pipe

⚙️ 20 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Chevrolet and GMC, Sierra 2500 HD, Sierra 3500, Silverado 2500 HD, and Silverado 3500
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Reliable Thermostat Bypass Pipe for Chevrolet and GMC Trucks

The Motorad CH2901 Thermostat Bypass Pipe is engineered to provide a durable and precise fit for select Chevrolet and GMC heavy-duty trucks. Constructed from steel with a black finish, this bypass pipe ensures consistent performance in your vehicle's cooling system.

  • Made from sturdy steel material for long-lasting durability
  • Black color finish for corrosion resistance and clean appearance
  • Designed with two mounting holes for secure installation
  • 1.0 inch outlet diameter to match OEM specifications
  • Compatible with Chevrolet Silverado 2500 HD, Silverado 3500, GMC Sierra 2500 HD, and Sierra 3500 models

Durable Steel Construction and Precise Fit

The Motorad CH2901 thermostat bypass pipe is manufactured from high-quality steel, providing strength and resistance to wear under demanding engine conditions. Its black coating helps protect against rust and corrosion, extending the service life of the part. The pipe features two mounting holes that align with factory mounting points, ensuring a secure and stable fit. With a 1.0 inch outlet diameter, this bypass pipe matches the original equipment specifications for proper coolant flow and system efficiency.

Compatible Vehicles and Applications

This thermostat bypass pipe is specifically designed for use with Chevrolet and GMC heavy-duty trucks, including the Silverado 2500 HD, Silverado 3500, Sierra 2500 HD, and Sierra 3500 models. The Motorad CH2901 part number corresponds directly to these applications, making it a reliable replacement component for maintaining your vehicle's cooling system integrity.

  • Prevents overheating by allowing coolant circulation when the thermostat is closed
  • Helps maintain optimal engine temperature during cold starts
  • Reduces risk of coolant leaks by providing a secure bypass path
  • Supports efficient engine warm-up and temperature regulation

Installation Notes and Tips

When installing the Motorad CH2901 thermostat bypass pipe, ensure the mounting surfaces are clean and free of debris. Align the two mounting holes carefully with the vehicle’s mounting points for a proper fit. Note that this part does not include gaskets or bolts, so use the existing hardware or source appropriate replacements as needed. Proper installation will help maintain coolant system performance and prevent leaks.

Quality Assurance and Warranty

Motorad manufactures the CH2901 thermostat bypass pipe to meet industry standards for durability and fitment. While specific warranty details are not provided, Motorad products are generally backed by quality control processes to ensure reliable operation in Chevrolet Silverado 2500 HD, Silverado 3500, GMC Sierra 2500 HD, and Sierra 3500 trucks.

BrandMotorad
Part NumberCH2901
MaterialSteel
ColorBlack
Gasket Or Seal IncludedNo
Bolts IncludedNo
Mounting Hole Quantity2
Outlet Diameter1.0 in

This part fits 20 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2005ChevroletSilverado 2500 HD6.6LV8N/AIncludes coolant bypass pipe
2005ChevroletSilverado 35006.6LV8N/AIncludes coolant bypass pipe
2005GMCSierra 2500 HD6.6LV8N/AIncludes coolant bypass pipe
2005GMCSierra 35006.6LV8N/AIncludes coolant bypass pipe
2004ChevroletSilverado 2500 HD6.6LV8N/AIncludes coolant bypass pipe
2004ChevroletSilverado 35006.6LV8N/AIncludes coolant bypass pipe
2004GMCSierra 2500 HD6.6LV8N/AIncludes coolant bypass pipe
2004GMCSierra 35006.6LV8N/AIncludes coolant bypass pipe
2003ChevroletSilverado 2500 HD6.6LV8N/AIncludes coolant bypass pipe
2003ChevroletSilverado 35006.6LV8N/AIncludes coolant bypass pipe
2003GMCSierra 2500 HD6.6LV8N/AIncludes coolant bypass pipe
2003GMCSierra 35006.6LV8N/AIncludes coolant bypass pipe
2002ChevroletSilverado 2500 HD6.6LV8N/AIncludes coolant bypass pipe
2002ChevroletSilverado 35006.6LV8N/AIncludes coolant bypass pipe
2002GMCSierra 2500 HD6.6LV8N/AIncludes coolant bypass pipe
2002GMCSierra 35006.6LV8N/AIncludes coolant bypass pipe
2001ChevroletSilverado 2500 HD6.6LV8N/AIncludes coolant bypass pipe
2001ChevroletSilverado 35006.6LV8N/AIncludes coolant bypass pipe
2001GMCSierra 2500 HD6.6LV8N/AIncludes coolant bypass pipe
2001GMCSierra 35006.6LV8N/AIncludes coolant bypass pipe

* 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:

85935902-901973710749CH2901CH2901NI

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