Gates 33914 Engine Coolant Thermostat

OE Type Thermostat for Honda and Acura Cooling Systems

The Gates 33914 OE Type Thermostat is built for precise coolant temperature control and a leak-free OEM-equivalent fit. It is a direct replacement choice for a wide range of Honda and Acura applications, including Honda Odyssey, Accord, Pilot, Ridgeline, and Acura TL, MDX, and RL models.

Gates OE Type Thermostat line focuses on factory-style fit and temperature regulation for everyday cooling system service. This thermostat is engineered to match OE performance expectations while maintaining the dimensions and operating characteristics needed for proper engine warm-up and stable coolant flow.

• OE Type thermostat for factory-style cooling system service
• Start-to-open temperature: 167 degrees
• Reverse poppet bottom-blocking by-pass design
• Stainless steel and copper construction
• Jiggle pin weep hole included for air bleeding
• OE performance comparison rating
• Part number: 33914

Detailed Product Overview

This Gates 33914 thermostat is designed to regulate coolant flow at the specified opening temperature so the engine reaches and maintains normal operating range. The reverse poppet bottom-blocking by-pass design supports proper coolant routing in applications that require OE-style thermostat geometry. With stainless steel and copper materials, a 2.52-inch sealing flange outside diameter, and a 0.05-inch flange thickness, it is built to match the dimensional requirements of the listed Honda and Acura platforms.

Fits 1999-2017 Honda Odyssey, N/A; Fits 2000-2015 Honda Accord, N/A; Fits 2003-2015 Honda Pilot, N/A; Fits 2006-2014 Honda Ridgeline, N/A; Fits 2001-2013 Acura MDX, N/A; Fits 2000-2014 Acura TL, N/A; Fits 1996-2012 Acura RL, N/A; Fits 2010-2014 Acura TSX, N/A; Fits 2010-2013 Acura ZDX, N/A; Fits 2012 Honda Crosstour, N/A; Fits 2010-2011 Honda Accord Crosstour, N/A; Fits 2002-2009 Honda S2000, N/A; Fits 2004-2007 Saturn Vue, N/A; Fits 2001-2003 Acura CL, N/A.

This part cross-references Motorad 302-170 and Stant 14337 for the same application.

Common Cooling Issues It Can Address

• Engine running too cool or taking too long to warm up
• Temperature fluctuation caused by a worn thermostat
• Coolant flow control problems in OE-style cooling systems
• Thermostat leakage at the sealing surface
• Check-engine concerns related to thermostat performance

Installation Notes and Tips

Confirm the 167-degree opening specification before installation and verify the thermostat orientation matches the reverse poppet bottom-blocking by-pass design used in the vehicle. Inspect the housing, sealing surfaces, and coolant condition during service, and replace any damaged components before reassembly. This thermostat does not include an installation tool.

Quality Assurance

Gates OE Type Thermostats are engineered for precise temperature control and OEM-equivalent fit. The 33914 is built to OE performance expectations for the listed Honda, Acura, and Saturn applications, with materials and construction selected for consistent cooling system operation.