Motorad 265-170 Engine Coolant Thermostat

Engine Cooling Thermostat for OE-Style Control

The Motorad Standard 265-170 engine coolant thermostat is built for precise coolant temperature control in demanding cooling systems. It uses OEM-quality materials and OE-supplier manufacturing processes to deliver consistent opening response at 170°F.

Compatible With Chevrolet Express 1500, GMC Savana 1500, Saab 9-5, Chevrolet Silverado 3500, and other listed applications across 1996-2014 model years.

Key Features

• 170°F thermostat temperature for standard cooling-system operation
• Copper case and wax compound for quick response to coolant temperature changes
• OEM-quality materials manufactured to OE specifications and processes
• Gasket/seal included with rubber sealing material
• Jiggle pin weep hole for air bleeding during service
• Sealing flange outside diameter: 2.12 in
• Bypass diameter: 1.09 in; bypass length: 1.37 in
• Flange thickness: 0.06 in

Detailed Description

Motorad Standard part number 265-170 is an engine coolant thermostat engineered for direct replacement in a wide range of Chevrolet, GMC, Cadillac, and Saab applications. The 170-degree calibration helps regulate coolant flow at the specified opening temperature, while the copper case and wax element support fast reaction to changing engine heat. This thermostat is a practical choice for drivers servicing vehicles such as the Chevrolet Astro, GMC Safari, Chevrolet Tahoe, and Saab 9-3 that require OE-style cooling-system control.

The Standard product line focuses on dependable replacement cooling components built to match original specifications. For buyers searching for a 170F thermostat for Chevrolet Express 2500, GMC Savana 3500, or Chevrolet Blazer applications, Motorad 265-170 provides the fitment coverage and construction details needed for routine cooling-system service.

This part cross-references Gates 26570 for the same application.

What It Helps Address

• Engine running too cool or too warm due to thermostat wear
• Delayed coolant circulation after cold starts
• Temperature fluctuation caused by a sticking thermostat
• Cooling-system service on high-mileage Chevrolet and GMC trucks, vans, and SUVs
• Replacement needs for Saab 900, 9000, 9-3, and 9-5 cooling systems

Installation Notes and Tips

Install the thermostat with the included rubber seal and verify the sealing flange seats cleanly in the housing. The jiggle pin weep hole should be oriented to help purge trapped air during refill. Confirm the bypass dimensions and 170°F temperature rating match the original service specification before installation.

Fits 1996-2014 Chevrolet Express 1500, N/A; Fits 1996-2014 GMC Savana 1500, N/A; Fits 1999-2009 Saab 9-5, N/A; Fits 2001-2007 Chevrolet Silverado 3500, N/A; Fits 2006 Chevrolet Express 2500, N/A; Fits 1996-2005 Chevrolet Astro, N/A; Fits 1996-2005 Chevrolet Blazer, N/A; Fits 1996-2005 Chevrolet Express 2500, N/A; Fits 2005 GMC Jimmy, N/A; Fits 1996-2002 GMC Jimmy, N/A; Fits 1996-2005 GMC Safari, N/A; Fits 1996-2005 GMC Savana 2500, N/A; Fits 2002 Chevrolet Blazer, N/A; Fits 1996-2002 Chevrolet Express 3500, N/A; Fits 2001-2002 Chevrolet G30, N/A; Fits 1999-2002 Chevrolet S10, N/A; Fits 1996-2002 GMC Savana 3500, N/A; Fits 1999-2002 GMC Sonoma, N/A; Fits 1999-2002 Saab 9-3, N/A; Fits 1999-2000 Cadillac Escalade, N/A; Fits 1996-2000 Chevrolet C2500, N/A; Fits 1996-2000 Chevrolet C3500, N/A; Fits 1996-2000 Chevrolet K2500, N/A; Fits 1996-2000 Chevrolet K3500, N/A; Fits 1996-2000 Chevrolet Tahoe, N/A; Fits 1996-2000 GMC C2500, N/A; Fits 1996-2000 GMC C3500, N/A; Fits 1996-2000 GMC K2500, N/A; Fits 1996-2000 GMC K3500, N/A; Fits 1996-2000 GMC Yukon, N/A; Fits 1996-1999 Chevrolet C1500, N/A; Fits 1996-1999 Chevrolet K1500, N/A; Fits 1996-1999 Chevrolet P30, N/A; Fits 1996-1999 Chevrolet Silverado, N/A; Fits 1996-1999 GMC C1500, N/A; Fits 1996-1999 GMC K1500, N/A; Fits 1996-1999 GMC P3500, N/A; Fits 1996-1998 Chevrolet C1500 Suburban, N/A; Fits 1996-1998 Chevrolet C2500 Suburban, N/A; Fits 1996-1998 Chevrolet K1500 Suburban, N/A; Fits 1996-1998 Chevrolet K2500 Suburban, N/A; Fits 1996-1998 GMC C1500 Suburban, N/A; Fits 1996-1998 GMC C2500 Suburban, N/A; Fits 1996-1998 GMC K1500 Suburban, N/A; Fits 1996-1998 GMC K2500 Suburban, N/A; Fits 1996-1998 Saab 900, N/A; Fits 1996-1998 Saab 9000, N/A

Quality Assurance

Motorad manufactures this thermostat with OEM-quality materials and OE-supplier standards, using processes aligned with original equipment specifications for consistent cooling-system performance.