82℃ 180℉ Thermostat with O-Ring Seal for 1998.5-2002 Cummins 5.9 24V ISB 5337966
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Compatible Models
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82℃ 180℉ Thermostat with O-Ring Seal for 1998.5-2002 Cummins 5.9 24V ISB 5337966
This 82℃ 180℉ thermostat with O-Ring Seal is a direct thermal control component for 1998.5-2002 Cummins 5.9 24V ISB engines, providing precise coolant temperature regulation. It cross-references OEM part number 5337966 to serve as a dependable replacement for your cooling system. This thermostat for Cummins ensures your engine reaches optimal operating temperature quickly and maintains it under load.
Overview
This 82℃ 180℉ thermostat with O-Ring Seal is designed to open at the correct temperature to regulate coolant flow for 1998.5-2002 Cummins 5.9 24V ISB engines. It delivers reliable temperature control to protect your engine from overheating or running too cold. The included O-ring ensures a tight, leak-free seal during installation, making this 82℃ 180℉ thermostat a complete solution for routine maintenance.
Built For Performance
- 82℃ (180℉) opening temperature matches the factory specification for 24V ISB engines
- Includes a high-quality O-Ring Seal for a secure, no-leak fit
- Constructed with corrosion-resistant materials for long service life
- Precision-engineered valve for consistent coolant flow regulation
- Direct replacement for OEM part 5337966
Fits These Machines
- for 1998.5-2002 Dodge Ram 2500 with Cummins 5.9 24V ISB
- for 1998.5-2002 Dodge Ram 3500 with Cummins 5.9 24V ISB
On-The-Job Use
- Day-to-day over-the-road driving where precise engine temperature is critical
- Heavy towing and hauling that increases cooling system demand
- Engine rebuild or cooling system overhaul projects
- Cold-weather operation requiring a faster warm-up cycle
Specs At A Glance
| Opening Temperature | 82℃ / 180℉ |
| Part Number(s) | 5337966 |
| Included | Thermostat and O-Ring Seal |
Good To Know
Q: Will this thermostat work for my 2001 Cummins 5.9 24V ISB? A: Yes, it is designed for 1998.5-2002 model years, so your 2001 engine is fully compatible. The O-ring seal ensures a proper fit with the housing.
Q: Do I need to replace any gasket with this thermostat? A: This kit includes the required O-Ring Seal, which replaces the traditional gasket. Make sure to clean the mating surfaces before installation.
Slight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.