82℃ 180℉ Thermostat 5337966 w/ O-Ring Seal for 1998.5-2002 Cummins 5.9 24V ISB
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Compatible Models
We do our best to list all compatible models. Although this may be the part you need, your exact model may not appear below.
Thermostat for Cummins
This 82℃ 180℉ thermostat with O-Ring Seal fits the 1998.5-2002 Cummins 5.9 24V ISB engine and references OEM part number 5337966.
Overview
This thermostat opens at 82℃ (180℉) to maintain proper engine temperature for the 5.9 24V ISB Cummins. It includes an O-Ring seal for a hassle-free replacement. This part is a direct cross-reference for the original 5337966 unit.
Built For Performance
- 82℃ (180℉) opening temperature for efficient warm-up
- Cross-references OEM part number 5337966
- O-Ring seal included, no extra gasket needed
- Durable construction resists corrosion and sticking
- Precision engineered for the 5.9 24V ISB engine
Fits These Machines
- for Cummins 5.9 24V ISB (1998.5-2002)
- for Dodge Ram 2500 with 5.9 ISB
- for Dodge Ram 3500 with 5.9 ISB
On-The-Job Use
- Solves overheating or slow warm-up issues
- Replaces OEM 5337966 thermostats in various Dodge trucks
- Ideal for maintenance during cooling system service
Specs At A Glance
| Part Number(s) | 5337966 |
| Opening Temperature | 82℃ (180℉) |
| Included Gasket | O-Ring Seal |
| Engine Fitment | 5.9 24V ISB Cummins |
Good To Know
Q: What does the O-Ring seal do? A: It creates a leak-proof seal between the thermostat housing and engine, preventing coolant loss and ensuring proper pressure.
Q: Is this a direct OE replacement? A: Yes, it is designed to match the dimensions and function of the original 5337966 thermostat for a direct fit.
Slight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.