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Weir Stats | NAPA Belts & Hose

Improve fuel economy with Weir-Stat Heavy Duty Thermostats.

Weir-Stat Heavy Duty Thermostats provide faster engine warm-up, stable temperature control, longer thermostat and seal life, improved fuel economy and better driver comfort. Vehicles can operate without radiator shutters, reducing front axle weight, cost and noise. Fleet vehicles can operate at higher temperatures without the unnecessary activation of shutdown devices or fan clutches.

Tech Tips

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NAPA Heating/Cooling Training

Watch videos and find info about a variety of NAPA Heating/Cooling products, from water pumps to fuel hose, on our training page. Learn More