1978 GMC P-Series Thermostats & Parts

Replacement Thermostats
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  • MotoRad® - Engine Coolant Thermostat
    MotoRad®Engine Coolant Thermostat
    0
    # 5738875494
    GMC P-Series 1978, Engine Coolant Thermostat by MotoRad®. State-of-the-art equipment, strict quality control, and functional testing to each thermostat ensure customers that they can trust the high-quality product used in their vehicle....
    Offer precise pressure controlEnsure the proper fit
    $4.04 - $4.98
  • Gates® - Premium Engine Coolant Thermostat
    Gates®Premium Engine Coolant Thermostat
    0
    # 1216228580
    GMC P15 / P25 / P35 1978, Premium Engine Coolant Thermostat by Gates®. If you want to keep your vehicle safe on the road for many years to come, go with this Gates product. Developed with the utmost attention to detail and manufactured...
    Great design and functionMade from sturdy materials
    $9.65 - $10.44
  • Gates® - OE Type Engine Coolant Thermostat
    Gates®OE Type Engine Coolant Thermostat
    1
    # 1216228582
    GMC P15 / P25 / P35 1978, OE Type Engine Coolant Thermostat by Gates®. If you want to keep your vehicle safe on the road for many years to come, go with this Gates product. Developed with the utmost attention to detail and manufactured...
    Map Controlled - Bolt-on solution with included sensor that links to the engine control unitSame easy installation as standard ITH
    $7.89 - $8.47
  • MotoRad® - High-Flow™ Series Thermostat
    MotoRad®High-Flow™ Series Thermostat
    1
    # 5739053133
    GMC P-Series 1978, High-Flow™ Series Thermostat by MotoRad®. State-of-the-art equipment, strict quality control, and functional testing to each thermostat ensure customers that they can trust the high quality product used in their...
    $4.82
  • MotoRad® - Fail Safe™ Series Thermostat
    MotoRad®Fail Safe™ Series Thermostat
    0
    # 5738755273
    GMC P-Series 1978, Fail Safe™ Series Thermostat by MotoRad®. Fail-Safe Thermostats offer premium, patented technology for superior protection over any thermostat on the market. Only Fail-Safe is designed to lock in the open position...
    $10.87 - $11.33
  • Stant® - OE Type Engine Coolant Thermostat
    Stant®OE Type Engine Coolant Thermostat
    0
    # 3145249904
    GMC P15 / P25 / P35 1978, OE Type Engine Coolant Thermostat by Stant®. Without Gaskets, Check Valves and Seal. Stant Coolant Temperature Sensor, which can be found as original equipment on most major nameplates, is the perfect companion...
    Made to keep your vehicle's engine running coolDesigned to maintain proper cooling level and prevent overheating
    $4.59 - $5.72
  • ACDelco® - Professional™ Engine Coolant Thermostat
    ACDelco®Professional™ Engine Coolant Thermostat
    0
    # 1216228591
    GMC P-Series 1978, Professional™ Engine Coolant Thermostat by ACDelco®. ACDelco has a Thermostat and Cap for most GM vehicles on the road today. Engineered to work with your car, truck or SUV, ACDelco Professional™ Thermostats come...
    Heavier-duty components and greater flow rates than standard-line thermostats.Designed to be OE-like
    $2.76 - $12.68
  • MotoRad® - UltraStat™ Series Thermostat
    MotoRad®UltraStat™ Series Thermostat
    0
    # 5738784025
    GMC P-Series 1978, UltraStat™ Series Thermostat by MotoRad®. The new MotoRad UltraStat® thermostats are an innovative line offering many features and benefits over the original equipment. Heavy gauge stainless steel construction...
    $7.50 - $9.08
  • Gates® - Economy Engine Coolant Thermostat
    Gates®Economy Engine Coolant Thermostat
    0
    # 1216228584
    GMC P15 / P25 / P35 1978, Economy Engine Coolant Thermostat by Gates®. If you want to keep your vehicle safe on the road for many years to come, go with this Gates product. Developed with the utmost attention to detail and manufactured...
    Great design and functionMade from sturdy materials
    $6.94 - $7.38
  • Stant® - Engine Coolant Thermostat Gasket
    Stant®Engine Coolant Thermostat Gasket
    0
    # mpn4617538534
    GMC P15 / P25 / P35 Replaces # 25153 1978, Engine Coolant Thermostat Gasket by Stant®. Cut installation time by as much as 50% with Stat Lok® adhesive backed thermostat gaskets. They’ll hold the thermostat in place, leaving your...
    Gaskets are cut to specific application requirementsStat Lok® Gaskets have adhesive backs to aid installation
    $0.91
  • Victor Reinz® - Engine Coolant Thermostat Gasket
    Victor Reinz®Engine Coolant Thermostat Gasket
    0
    # mpn4732964227
    GMC P15 / P25 / P35 4.8L 1978, Engine Coolant Thermostat Gasket by Victor Reinz®. Location: Housing to Head. Increase the life of your vehicle's engine by keeping your cooling system in top condition. Replace your faulty engine cooling...
    OE quality parts from top original equipment and aftermarket manufacturersThe finest quality at a great price
    $2.33


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