33971

Description

Technical Specifications

Part Number 33971Application Summary 1999-1992 Isuzu, NPR, Isuzu 4BD2-TC Diesel, ThermostatBy-Pass Flange Diameter (in) 1.26California Proposition 65 WARNING: Cancer and Reproductive Harm – www.P65Warnings.ca.gov.Depth from Flange (in) 1.44Design Bottom By-PassFlange Diameter (in) 2.94Height from Flange (in) 1.42Includes Installation Tool NoJiggle Pin/Check Valve YesMarketing Description

Quality controlled factory calibration assures accurate heat control under extreme variations in temperature, load and engine vibrations. Approved for marine applications.

• Heavy-gauge brass and stainless steel with positive piston heat motor.
• Available in Choke type, Top By-Pass, Bottom By-Pass, Side By-Pass, Normally Open and other types to meet heavy-duty cooling system designs.

Note: Seal should always be changed when new thermostat is installed.

Gates – Driven By Possibility

Material Brass, CopperNumber of Gaskets 0Number of Jiggle Pins/Check Valves 1Number of Seals 1Product Description – Invoice Heavy-Duty ThermostatProduct Description – Long Heavy-Duty ThermostatProduct Description – Short ThermostatSeal Type O-RingTemperature (C) 82Temperature (F) 180Total Height (in) 2.86Type Heavy-Duty Thermostat

Vehicle Fitment

Make	Model	Years
CHEVROLET	W3500 TILTMASTER	1995-1998
CHEVROLET	W4500 TILTMASTER	1987-1989, 1992-1998
GMC	W4500 FORWARD	1995
ISUZU	NPR	1988-1998
ISUZU	NRR	1993-1994

This list of compatible vehicles and years is accurate, but it may not be complete. There may be additional vehicle applications and years compatible with this part not listed.