Gates
OE Type Thermostat

Gates 33888 Engine Coolant Thermostat

Brand Gates 33888
0
0
.83
1.09
1.3
By-Pass Flange Diameter (in) 1.14
Design Bottom By-Pass
Design Bottom By-Pass
Flange Thickness .05
Gasket Quantity 0
Height 2
Height 2.1
Height Between Flanges 1.17
Height Between Flanges 1.47
Height from Flange (in) .83
Includes Installation Tool No
Installation Tool Included No
Jiggle Pin Weep Hole No
Material Stainless Steel, Copper
Material Steel, Copper
Number of Gaskets 0
Number of Jiggle Pins/Check Valves 0
Number of Seals 0
OE Comparison Rating OE Performance
Sealing Flange Outside Diameter 2.48
Sealing Flange Outside Diameter 2.49
Start to Open Temperature 82
Start to Open Temperature 180
Type OE Type Thermostat
Product line OE Type Thermostat
Fits Dodge · 10 vehicles

OE type thermostat. Provides precise temperature control with leak-free, OEM-equivalent fit.

Bottom by-pass design. Supports efficient coolant flow for stable engine temperature control.

Steel and copper construction. Built with durable metals for reliable sealing and heat response.

Cross-references Carlson 14248, Gates 33888 and Motorad 309-180 for the same application. See all 9.

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OE Type Thermostat for Ram 2500 and Ram 3500

Gates 33888 is an OE Type Thermostat built for precise engine coolant temperature control and a leak-free OEM-equivalent fit. It is a direct replacement choice for 1994-1998 Dodge Ram 2500 and 1994-1998 Dodge Ram 3500 models with 180-degree OE temperature requirements.

Key Features

  • OE Type Thermostat construction for factory-style cooling system performance
  • Start-to-open temperature: 180 degrees
  • Bottom by-pass design for the listed applications
  • Stainless steel and copper construction for corrosion resistance
  • OE Performance comparison rating
  • Fits 1994-1998 Dodge Ram 2500 and 1994-1998 Dodge Ram 3500, N/A
  • Part number 33888 for easy catalog matching

Product Details

Gates OE Type Thermostat 33888 is engineered to regulate coolant flow at the specified opening temperature so the engine can reach and maintain proper operating range. The thermostat uses a bottom by-pass design and OE-style dimensions to support correct housing fitment in the cooling system. For Ram truck owners searching for a 180 degree thermostat for a 1994-1998 Dodge Ram 2500 or 1994-1998 Dodge Ram 3500, this part provides a direct replacement option built around the original application requirements.

This part cross-references Motorad 309-180 for the same application.

Common Cooling System Issues It Can Address

  • Engine running too cool or too warm due to thermostat wear
  • Delayed warm-up after cold starts
  • Temperature fluctuation from a sticking thermostat
  • Cooling system performance concerns tied to incorrect opening temperature
  • Fitment problems from non-OE-style replacement parts

Installation Notes and Tips

Verify the thermostat orientation, bypass design, and housing dimensions before installation. Clean the sealing surfaces thoroughly and inspect the coolant housing and gasket surfaces for damage or corrosion. Because no installation tool is included, use the proper service tools and follow the vehicle service procedure for coolant refill and air bleeding after replacement.

Quality Assurance

Gates OE Type Thermostats are built to deliver precise temperature control with OEM-equivalent fit characteristics. The stainless steel and copper construction supports dependable service in the cooling system, and the OE Performance rating reflects its factory-style replacement focus.

This part fits 10 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersFuel TypePositionNotes
1998DodgeRam 25005.9LL6DIESELN/A180 Degree; OE Temperature; OE Type Thermostat
1998DodgeRam 35005.9LL6DIESELN/A180 Degree; OE Temperature; OE Type Thermostat
1997DodgeRam 25005.9LL6DIESELN/A180 Degree; OE Temperature; OE Type Thermostat
1997DodgeRam 35005.9LL6DIESELN/A180 Degree; OE Temperature; OE Type Thermostat
1996DodgeRam 25005.9LL6DIESELN/A180 Degree; OE Temperature; OE Type Thermostat
1996DodgeRam 35005.9LL6DIESELN/A180 Degree; OE Temperature; OE Type Thermostat
1995DodgeRam 25005.9LL6DIESELN/A180 Degree; OE Temperature; OE Type Thermostat
1995DodgeRam 35005.9LL6DIESELN/A180 Degree; OE Temperature; OE Type Thermostat
1994DodgeRam 25005.9LL6DIESELN/A180 Degree; OE Temperature; OE Type Thermostat
1994DodgeRam 35005.9LL6DIESELN/A180 Degree; OE Temperature; OE Type Thermostat
Directly replaces or cross-references 9 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Carlson — 14248Gates — 33888Motorad — 309-180OSC — 4248370-180727-1803296847968695014568AA