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Heavy Duty Thermostat Seal O-Ring for Semi Trucks & Big Rigs

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$4.46
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Don't let a failed thermostat seal leave you stranded on the side of the highway. This heavy-duty thermostat seal O-ring is engineered specifically for the demanding conditions your big rig faces mile after mile.

Key Features & Benefits

  • Perfect Seal Every Time: Premium rubber construction creates an airtight seal that prevents coolant leaks and maintains optimal engine temperature
  • Built Trucker Tough: Designed to withstand extreme temperature fluctuations and constant vibration that would destroy cheaper seals
  • Easy Roadside Installation: Standard sizing fits most semi-truck thermostats - perfect for emergency repairs or routine maintenance

Technical Specifications

This thermostat O-ring seal is manufactured from high-grade synthetic rubber that resists cracking, hardening, and chemical degradation from coolant additives. The precision-molded design ensures consistent thickness and proper compression for reliable sealing performance.

Compatible with most heavy-duty truck engines including Caterpillar, Cummins, Detroit Diesel, and International applications. Always verify fitment with your specific thermostat housing before installation.

When you're running hard and putting miles behind you, you need parts you can count on. This thermostat seal delivers the reliability and performance that keeps your rig rolling and your loads delivered on time.

 

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