HomeBelts and Cooling > Thermostat and HousingMotorad 2026-195 Engine Coolant Thermostat
Part #: 2026-195

Motorad 2026-195 Engine Coolant Thermostat

High Flow
⚙️ 65 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦High Flow
🚗Fitment: Cadillac, Commercial Chassis, DeVille, Eldorado, Fleetwood, and Seville
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Reliable Engine Coolant Thermostat for Cadillac Models

The Motorad High Flow 2026-195 engine coolant thermostat is designed to maintain optimal engine temperature for Cadillac vehicles including Commercial Chassis, DeVille, Eldorado, Fleetwood, and Seville models. Engineered to open at 195 degrees Fahrenheit, this thermostat ensures efficient coolant flow and engine performance.

  • Sealing flange outside diameter: 2.12 inches
  • Bypass diameter: 0.93 inches
  • Bypass length: 1.04 inches
  • Flange thickness: 0.06 inches
  • Includes jiggle pin weep hole for air bleeding
  • Temperature rating: 195°F
  • Gasket or seal not included

Product Details and Specifications

The Motorad High Flow 2026-195 thermostat features a precise 195°F opening temperature, suitable for maintaining proper engine operating temperature in Cadillac Commercial Chassis, DeVille, Eldorado, Fleetwood, and Seville vehicles. The sealing flange outside diameter measures 2.12 inches, providing a secure fit within the thermostat housing. The bypass diameter of 0.93 inches and bypass length of 1.04 inches allow controlled coolant circulation when the thermostat is closed, preventing hot spots and ensuring consistent engine temperature. The flange thickness of 0.06 inches contributes to proper sealing and fitment. Additionally, the thermostat includes a jiggle pin weep hole to facilitate air bleeding from the cooling system, reducing the risk of air pockets that can cause overheating.

High Flow Product Line Overview

The Motorad High Flow line focuses on thermostats designed to optimize coolant flow and temperature regulation. This product line emphasizes precise temperature control and reliable operation under demanding conditions. The 2026-195 thermostat is part of this line, engineered to meet the specific cooling requirements of select Cadillac models, ensuring consistent engine performance and longevity.

Common Applications and Problem Solving

  • Prevents engine overheating by regulating coolant flow at 195°F
  • Reduces risk of coolant bypass issues with precise bypass diameter and length
  • Helps eliminate air pockets in the cooling system via jiggle pin weep hole
  • Ensures proper sealing with accurate flange dimensions
  • Compatible with Cadillac Commercial Chassis, DeVille, Eldorado, Fleetwood, and Seville models

Installation Notes and Tips

When installing the Motorad High Flow 2026-195 thermostat, ensure the sealing flange matches the housing dimensions for a proper fit. Note that this thermostat does not include a gasket or seal, so use the appropriate gasket for your vehicle. The jiggle pin weep hole should be positioned at the highest point to allow air to escape during coolant filling. Verify the thermostat orientation according to the vehicle’s service manual to ensure correct operation.

Quality Assurance and Warranty

Motorad thermostats are manufactured to meet OEM specifications for fit and function. The High Flow 2026-195 thermostat undergoes quality control testing to ensure reliable temperature regulation and durability. Warranty information is available from the manufacturer and should be confirmed at the time of purchase.

BrandMotorad
Part Number2026-195
PositionHigh Flow
Sealing Flange Outside Diameter2.12
Gasket Or Seal IncludedNo
Jiggle Pin Weep HoleYes
Bypass Diameter0.93 in
Bypass Length1.04 in
Flange Thickness0.06 in
Installation Tool IncludedNo
Temperature195 deg. f
Temperature (Degree)195

This part fits 65 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
1984CadillacCommercial Chassis6.0LV8N/AEngine coolant thermostat set to OEM specifications of 195°F.; High Flow
1984CadillacFleetwood6.0LV8N/AEngine coolant thermostat set to OEM specifications of 195°F.; High Flow
1983CadillacCommercial Chassis6.0LV8N/AEngine coolant thermostat set to OEM specifications of 195°F.; High Flow
1983CadillacFleetwood6.0LV8N/AEngine coolant thermostat set to OEM specifications of 195°F.; High Flow
1982CadillacCommercial Chassis6.0LV8N/AEngine coolant thermostat set to OEM specifications of 195°F.; High Flow
1982CadillacFleetwood6.0LV8N/AEngine coolant thermostat set to OEM specifications of 195°F.; High Flow
1981CadillacCommercial Chassis6.0LV8N/AEngine coolant thermostat set to OEM specifications of 195°F.; High Flow
1981CadillacDeVille6.0LV8N/AEngine coolant thermostat set to OEM specifications of 195°F.; High Flow
1981CadillacEldorado6.0LV8N/AEngine coolant thermostat set to OEM specifications of 195°F.; High Flow
1981CadillacFleetwood6.0LV8N/AEngine coolant thermostat set to OEM specifications of 195°F.; High Flow
1981CadillacSeville6.0LV8N/AEngine coolant thermostat set to OEM specifications of 195°F.; High Flow
1980CadillacCommercial Chassis6.0LV8N/AEngine coolant thermostat set to OEM specifications of 195°F.; High Flow
1980CadillacDeVille6.0LV8N/AEngine coolant thermostat set to OEM specifications of 195°F.; High Flow
1980CadillacEldorado6.0LV8N/AEngine coolant thermostat set to OEM specifications of 195°F.; High Flow
1980CadillacFleetwood6.0LV8N/AEngine coolant thermostat set to OEM specifications of 195°F.; High Flow
1980CadillacSeville6.0LV8N/AEngine coolant thermostat set to OEM specifications of 195°F.; High Flow
1980CadillacSeville5.7LV8N/AEngine coolant thermostat set to OEM specifications of 195°F.; High Flow
1979CadillacCommercial Chassis7.0LV8N/AEngine coolant thermostat set to OEM specifications of 195°F.; High Flow
1979CadillacDeVille7.0LV8N/AEngine coolant thermostat set to OEM specifications of 195°F.; High Flow
1979CadillacDeVille5.7LV8N/AEngine coolant thermostat set to OEM specifications of 195°F.; High Flow
1979CadillacFleetwood7.0LV8N/AEngine coolant thermostat set to OEM specifications of 195°F.; High Flow
1978CadillacCommercial Chassis7.0LV8N/AEngine coolant thermostat set to OEM specifications of 195°F.; High Flow
1978CadillacDeVille7.0LV8N/AEngine coolant thermostat set to OEM specifications of 195°F.; High Flow
1978CadillacEldorado7.0LV8N/AEngine coolant thermostat set to OEM specifications of 195°F.; High Flow
1978CadillacFleetwood7.0LV8N/AEngine coolant thermostat set to OEM specifications of 195°F.; High Flow
1977CadillacCommercial Chassis7.0LV8N/AEngine coolant thermostat set to OEM specifications of 195°F.; High Flow
1977CadillacDeVille7.0LV8N/AEngine coolant thermostat set to OEM specifications of 195°F.; High Flow
1977CadillacEldorado7.0LV8N/AEngine coolant thermostat set to OEM specifications of 195°F.; High Flow
1977CadillacFleetwood7.0LV8N/AEngine coolant thermostat set to OEM specifications of 195°F.; High Flow
1976CadillacCommercial Chassis8.2LV8N/AEngine coolant thermostat set to OEM specifications of 195°F.; High Flow
1976CadillacDeVille8.2LV8N/AEngine coolant thermostat set to OEM specifications of 195°F.; High Flow
1976CadillacEldorado8.2LV8N/AEngine coolant thermostat set to OEM specifications of 195°F.; High Flow
1976CadillacFleetwood8.2LV8N/AEngine coolant thermostat set to OEM specifications of 195°F.; High Flow
1975CadillacCommercial Chassis8.2LV8N/AEngine coolant thermostat set to OEM specifications of 195°F.; High Flow
1975CadillacDeVille8.2LV8N/AEngine coolant thermostat set to OEM specifications of 195°F.; High Flow
1975CadillacEldorado8.2LV8N/AEngine coolant thermostat set to OEM specifications of 195°F.; High Flow
1975CadillacFleetwood8.2LV8N/AEngine coolant thermostat set to OEM specifications of 195°F.; High Flow
1974CadillacCommercial Chassis7.7LV8N/AEngine coolant thermostat set to OEM specifications of 195°F.; High Flow
1974CadillacDeVille7.7LV8N/AEngine coolant thermostat set to OEM specifications of 195°F.; High Flow
1974CadillacEldorado8.2LV8N/AEngine coolant thermostat set to OEM specifications of 195°F.; High Flow
1974CadillacFleetwood7.7LV8N/AEngine coolant thermostat set to OEM specifications of 195°F.; High Flow
1973CadillacCommercial Chassis7.7LV8N/AEngine coolant thermostat set to OEM specifications of 195°F.; High Flow
1973CadillacDeVille7.7LV8N/AEngine coolant thermostat set to OEM specifications of 195°F.; High Flow
1973CadillacEldorado8.2LV8N/AEngine coolant thermostat set to OEM specifications of 195°F.; High Flow
1973CadillacFleetwood7.7LV8N/AEngine coolant thermostat set to OEM specifications of 195°F.; High Flow
1972CadillacCommercial Chassis7.7LV8N/AEngine coolant thermostat set to OEM specifications of 195°F.; High Flow
1972CadillacDeVille7.7LV8N/AEngine coolant thermostat set to OEM specifications of 195°F.; High Flow
1972CadillacEldorado8.2LV8N/AEngine coolant thermostat set to OEM specifications of 195°F.; High Flow
1972CadillacFleetwood7.7LV8N/AEngine coolant thermostat set to OEM specifications of 195°F.; High Flow
1971CadillacCommercial Chassis7.7LV8N/AEngine coolant thermostat set to OEM specifications of 195°F.; High Flow
1971CadillacDeVille7.7LV8N/AEngine coolant thermostat set to OEM specifications of 195°F.; High Flow
1971CadillacEldorado8.2LV8N/AEngine coolant thermostat set to OEM specifications of 195°F.; High Flow
1971CadillacFleetwood7.7LV8N/AEngine coolant thermostat set to OEM specifications of 195°F.; High Flow
1970CadillacCommercial Chassis7.7LV8N/AEngine coolant thermostat set to OEM specifications of 195°F.; High Flow
1970CadillacDeVille7.7LV8N/AEngine coolant thermostat set to OEM specifications of 195°F.; High Flow
1970CadillacEldorado8.2LV8N/AEngine coolant thermostat set to OEM specifications of 195°F.; High Flow
1970CadillacFleetwood7.7LV8N/AEngine coolant thermostat set to OEM specifications of 195°F.; High Flow
1969CadillacCommercial Chassis7.7LV8N/AEngine coolant thermostat set to OEM specifications of 195°F.; High Flow
1969CadillacDeVille7.7LV8N/AEngine coolant thermostat set to OEM specifications of 195°F.; High Flow
1969CadillacEldorado7.7LV8N/AEngine coolant thermostat set to OEM specifications of 195°F.; High Flow
1969CadillacFleetwood7.7LV8N/AEngine coolant thermostat set to OEM specifications of 195°F.; High Flow
1968CadillacCommercial Chassis7.7LV8N/AEngine coolant thermostat set to OEM specifications of 195°F.; High Flow
1968CadillacDeVille7.7LV8N/AEngine coolant thermostat set to OEM specifications of 195°F.; High Flow
1968CadillacEldorado7.7LV8N/AEngine coolant thermostat set to OEM specifications of 195°F.; High Flow
1968CadillacFleetwood7.7LV8N/AEngine coolant thermostat set to OEM specifications of 195°F.; High Flow

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

12TP01E154592026-1956526992026195P15459

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.