Standard Ignition TS-169 Engine Coolant Temperature Sender

Brand Standard Ignition TS-169
Connector Gender Female
Terminal Type Blade
Thread Size - NPT 3/8" - 18 Thread
Fits Chevrolet, Buick, Oldsmobile, Pontiac, Cadillac, and GMC · 112 vehicles

Factory-calibrated. Delivers precise switch actuation at the specified temperature.

Robust design. Built with high-grade materials for demanding service use.

OE-quality manufacturing. Made by a global original-equipment ignition products manufacturer.

Cross-references Four Seasons 37930, Four Seasons 85223 and 1T1057 for the same application. See all 10.

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Engine Coolant Temperature Sender for OE-Style Signal Control

Standard Ignition TS-169 is an engine coolant temperature sender built for vehicles that use a dashboard coolant temperature indicator light. It features a female connector, one blade terminal, and a 3/8"-18 NPT thread size for the specified applications. This TS-169 sender is a direct-fit option for many GM cars, including Chevrolet Cavalier, Buick Century, and Pontiac 6000 applications.

Key Features

  • Engine coolant temperature sender for indicator-light applications
  • Female connector with 1 blade terminal
  • 3/8"-18 NPT thread size
  • Factory-calibrated and tested for specified switch actuation temperature
  • Uses a formed bimetal contact arm for precise electrical contact movement
  • Built with high-grade materials for service use

Product Details

Standard Ignition TS-169 is engineered to transfer the electrical signal used by the fan controller and temperature warning circuit in the proper temperature range. The internal thermal design uses calibrated wax and bimetallic contact movement to deliver consistent switch action at the lower-temperature set point. For buyers searching for a coolant temperature sender for 1988-1991 Chevrolet Cavalier, 1989-1990 Chevrolet Celebrity, or 1984-1987 Buick Regal, this part number provides the OE-style thread, terminal layout, and signal function required by the listed vehicles. This part cross-references Four Seasons (e.g., 37930, 85223) for the same application.

Common Problems This Part Can Address

  • Inoperative coolant temperature warning light
  • Incorrect temperature signal to the fan controller
  • Intermittent gauge or indicator-light operation on listed vehicles
  • Failed sender due to age, heat cycling, or internal contact wear
  • Need for a replacement 3/8"-18 thread coolant temperature sender

Installation Notes and Tips

  • Verify the vehicle uses a coolant temperature indicator light before ordering.
  • Confirm the connector style, terminal count, and 3/8"-18 thread size match the original part.
  • Inspect the harness connector and terminal condition before installation.
  • Use the listed application notes for vehicles with Canada emissions or dashboard light configurations where shown.

Quality Assurance

Standard Ignition manufactures this sender under complete quality control from component selection through final testing. Each unit is calibrated and tested to confirm switch actuation at the specified temperature, supporting consistent performance in the listed Chevrolet, Buick, Oldsmobile, Pontiac, and Cadillac applications. Part number TS-169 is built to meet the demands of professional service replacement.

This part fits 112 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelSubmodelLitersCylindersFuel TypePositionNotes
1991ChevroletCavalier—2.2LL4—N/A3/8 Inch x 18 Thread Engine Coolant Temperature Sender with Light
1990BuickCentury—2.5LL4—N/ACompatible with vehicles equipped with a coolant temperature indicator light on the dashboard.
1990BuickLeSabre————N/ACompatible with vehicles equipped with a coolant temperature indicator light on the dashboard.
1990ChevroletCaprice————N/A3/8 Inch x 18 Thread; 2 Blade Term.; With Light
1990ChevroletCavalier—2.2LL4—N/A3/8 Inch x 18 Thread Engine Coolant Temperature Sender with Light
1990ChevroletCelebrity—2.5LL4—N/A3/8 Inch x 18 Thread Engine Coolant Temperature Sender with Light
1990OldsmobileCustom Cruiser————N/ACompatible with vehicles equipped with a coolant temperature indicator light on the dashboard.
1990OldsmobileCutlass Ciera—2.5LL4—N/ACompatible with vehicles equipped with a coolant temperature indicator light on the dashboard.
1990Pontiac6000—2.5LL4—N/A3/8 Inch x 18 Thread Engine Coolant Temperature Sender with Light
1990PontiacSunbird————N/ACompatible with vehicles equipped with a coolant temperature indicator light on the dashboard.
1989BuickCentury—2.5LL4—N/A3/8 Inch x 18 Thread Engine Coolant Temperature Sender with Light
1989BuickLeSabre————N/ACompatible with vehicles equipped with a coolant temperature indicator light on the dashboard.
1989BuickSkyhawk————N/ACompatible with vehicles equipped with a coolant temperature indicator light on the dashboard.
1989BuickSkylark————N/ACompatible with vehicles equipped with a coolant temperature indicator light on the dashboard.
1989CadillacBrougham—5.0LV8—N/ACompatible with vehicles equipped with a coolant temperature indicator light on the dashboard.
1989ChevroletCavalier—2.0LL4—N/A3/8 Inch x 18 Thread Engine Coolant Temperature Sender with Light
1989ChevroletCelebrity—2.5LL4—N/A3/8 Inch x 18 Thread Engine Coolant Temperature Sender with Light
1989OldsmobileCustom Cruiser————N/ACompatible with vehicles equipped with a coolant temperature indicator light on the dashboard.
1989OldsmobileCutlass Calais————N/ACompatible with vehicles equipped with a coolant temperature indicator light on the dashboard.
1989OldsmobileCutlass Ciera—2.5LL4—N/A3/8 Inch x 18 Thread Engine Coolant Temperature Sender with Light
1989OldsmobileDelta 88————N/ACompatible with vehicles equipped with a coolant temperature indicator light on the dashboard.
1989Pontiac6000—2.5LL4—N/A3/8 Inch x 18 Thread; 2 Blade Term.; With Light
1989PontiacSunbird————N/ACompatible with vehicles equipped with a coolant temperature indicator light on the dashboard.
1989PontiacTempest—2.0LL4—N/A3/8 Inch x 18 Thread; 2 Blade Term.; With Light
1988BuickLeSabre————N/ACompatible with vehicles equipped with a coolant temperature indicator light on the dashboard.
1988BuickSkyhawk————N/ACompatible with vehicles equipped with a coolant temperature indicator light on the dashboard.
1988BuickSkylark————N/ACompatible with vehicles equipped with a coolant temperature indicator light on the dashboard.
1988CadillacBrougham—5.0LV8—N/ACompatible with vehicles equipped with a coolant temperature indicator light on the dashboard.
1988ChevroletCavalier—2.0LL4—N/A3/8 Inch x 18 Thread Engine Coolant Temperature Sender with Light
1988ChevroletCorsica—2.0LL4—N/A3/8 Inch x 18 Thread; 2 Blade Term.; With Light
1988OldsmobileCustom Cruiser————N/ACompatible with vehicles equipped with a coolant temperature indicator light on the dashboard.
1988OldsmobileCutlass Calais————N/ACompatible with vehicles equipped with a coolant temperature indicator light on the dashboard.
1988OldsmobileCutlass Supreme—5.0LV8—N/A3/8 Inch x 18 Thread Engine Coolant Temperature Sender with Light
1988OldsmobileDelta 88————N/ACompatible with vehicles equipped with a coolant temperature indicator light on the dashboard.
1988OldsmobileFirenza————N/ACompatible with vehicles equipped with a coolant temperature indicator light on the dashboard.
1988PontiacBonneville—3.8LV6—N/ACompatible with vehicles equipped with a coolant temperature indicator light on the dashboard.
1988PontiacSunbird————N/ACompatible with vehicles equipped with a coolant temperature indicator light on the dashboard.
1988PontiacTempest—2.0LL4—N/Aw/ Canada Emissions; 3/8 Inch x 18 Thread; With Light
1987BuickLeSabre————N/ACompatible with vehicles equipped with a coolant temperature indicator light on the dashboard.
1987BuickRegal—5.0LV8—N/A3/8 Inch x 18 Thread Engine Coolant Temperature Sender with Light
1987BuickSkylark————N/ACompatible with vehicles equipped with a coolant temperature indicator light on the dashboard.
1987CadillacBrougham—5.0LV8—N/ACompatible with vehicles equipped with a coolant temperature indicator light on the dashboard.
1987ChevroletCorsica—2.0LL4—N/ACoolant Temp; 3/8 Inch x 18 Thread; With Light
1987Oldsmobile98————N/ACompatible with vehicles equipped with a coolant temperature indicator light on the dashboard.
1987OldsmobileCalais————N/ACompatible with vehicles equipped with a coolant temperature indicator light on the dashboard.
1987OldsmobileCutlass Supreme—5.0LV8—N/A3/8 Inch x 18 Thread Engine Coolant Temperature Sender with Light
1987OldsmobileDelta 88————N/ACompatible with vehicles equipped with a coolant temperature indicator light on the dashboard.
1987PontiacBonneville————N/ACompatible with vehicles equipped with a coolant temperature indicator light on the dashboard.
1987PontiacTempest—2.0LL4—N/Aw/ Canada Emissions; With Light
1986BuickLeSabre————N/ACompatible with vehicles equipped with a coolant temperature indicator light on the dashboard.
1986BuickRegal—5.0LV8—N/A3/8 Inch x 18 Thread Engine Coolant Temperature Sender with Light
1986BuickSkylark————N/ACompatible with vehicles equipped with a coolant temperature indicator light on the dashboard.
1986CadillacFleetwood—5.0LV8—N/A3/8 Inch x 18 Thread Engine Coolant Temperature Sender with Light
1986Oldsmobile98Regency———N/ACompatible with vehicles equipped with a coolant temperature indicator light on the dashboard.
1986Oldsmobile98Regency Brougham———N/ACompatible with vehicles equipped with a coolant temperature indicator light on the dashboard.
1986OldsmobileCalais————N/ACompatible with vehicles equipped with a coolant temperature indicator light on the dashboard.
1986OldsmobileCustom Cruiser————N/ACompatible with vehicles equipped with a coolant temperature indicator light on the dashboard.
1986OldsmobileCutlass—5.0LV8—N/ACompatible with vehicles equipped with a coolant temperature indicator light on the dashboard.
1986OldsmobileCutlass Salon—5.0LV8—N/ACompatible with vehicles equipped with a coolant temperature indicator light on the dashboard.
1986OldsmobileCutlass Supreme—5.0LV8—N/A3/8 Inch x 18 Thread Engine Coolant Temperature Sender with Light
1986OldsmobileDelta 88————N/ACompatible with vehicles equipped with a coolant temperature indicator light on the dashboard.
1986PontiacGrand Am————N/ACompatible with vehicles equipped with a coolant temperature indicator light on the dashboard.
1986PontiacParisienne—5.0LV8—N/A3/8 Inch x 18 Thread Engine Coolant Temperature Sender with Light
1985BuickCentury—4.3LV6—N/A3/8 Inch x 18 Thread Engine Coolant Temperature Sender with Light
1985BuickLeSabre—5.7LV8—N/A3/8 Inch x 18 Thread Engine Coolant Temperature Sender with Light
1985BuickLeSabre—5.0LV8—N/A3/8 Inch x 18 Thread Engine Coolant Temperature Sender with Light
1985BuickRegal—4.3LV6—N/A3/8 Inch x 18 Thread Engine Coolant Temperature Sender with Light
1985BuickSkylark————N/ACompatible with vehicles equipped with a coolant temperature indicator light on the dashboard.
1985CadillacEldorado—5.7LV8—N/ACoolant Temp; 3/8 Inch x 18 Thread; With Light
1985CadillacFleetwood—5.7LV8—N/A3/8 Inch x 18 Thread; 2 Blade Term.; With Light
1985CadillacSeville—5.7LV8—N/A3/8 Inch x 18 Thread; 2 Blade Term.; With Light
1985ChevroletCelebrity—4.3LV6—N/A3/8 Inch x 18 Thread Engine Coolant Temperature Sender with Light
1985ChevroletImpala—5.7LV8—N/A3/8 Inch x 18 Thread Engine Coolant Temperature Sender with Light
1985Oldsmobile98Regency———N/ACompatible with vehicles equipped with a coolant temperature indicator light on the dashboard.
1985Oldsmobile98Regency Brougham———N/ACompatible with vehicles equipped with a coolant temperature indicator light on the dashboard.
1985OldsmobileCalais————N/ACompatible with vehicles equipped with a coolant temperature indicator light on the dashboard.
1985OldsmobileCustom Cruiser————N/ACompatible with vehicles equipped with a coolant temperature indicator light on the dashboard.
1985OldsmobileCutlass Ciera—4.3LV6—N/A3/8 Inch x 18 Thread Engine Coolant Temperature Sender with Light
1985OldsmobileCutlass Supreme—5.0LV8—N/A3/8 Inch x 18 Thread Engine Coolant Temperature Sender with Light
1985OldsmobileCutlass Supreme—5.7LV8DIESELN/A3/8 Inch x 18 Thread Engine Coolant Temperature Sender with Light
1985OldsmobileDelta 88—5.7LV8—N/A3/8 Inch x 18 Thread Engine Coolant Temperature Sender with Light
1985OldsmobileDelta 88—5.0LV8—N/A3/8 Inch x 18 Thread Engine Coolant Temperature Sender with Light
1985OldsmobileToronado————N/ACompatible with vehicles equipped with a coolant temperature indicator light on the dashboard.
1985Pontiac6000—4.3LV6—N/A3/8 Inch x 18 Thread Engine Coolant Temperature Sender with Light
1985PontiacGrand Am—2.5LL4—N/ACompatible with vehicles equipped with a coolant temperature indicator light on the dashboard.
1985PontiacGrand Am—3.0LV6—N/ACompatible with vehicles equipped with a coolant temperature indicator light on the dashboard.
1985PontiacParisienne—5.7LV8—N/A3/8 Inch x 18 Thread Engine Coolant Temperature Sender with Light
1984BuickCentury—4.3LV6—N/A3/8 Inch x 18 Thread Engine Coolant Temperature Sender with Light
1984BuickLeSabre—5.7LV8—N/A3/8 Inch x 18 Thread Engine Coolant Temperature Sender with Light
1984BuickLeSabre—5.0LV8—N/A3/8 Inch x 18 Thread Engine Coolant Temperature Sender with Light
1984BuickRegal—4.3LV6—N/A3/8 Inch x 18 Thread Engine Coolant Temperature Sender with Light
1984BuickRiviera————N/A3/8 Inch x 18 Thread; 2 Blade Term.; With Light
1984CadillacDeVille—5.7LV8—N/ACoolant Temp; 3/8 Inch x 18 Thread; With Light
1984CadillacEldorado—5.7LV8—N/A3/8 Inch x 18 Thread; 2 Blade Term.; With Light
1984CadillacFleetwood—5.7LV8—N/A3/8 Inch x 18 Thread; 2 Blade Term.; With Light
1984CadillacSeville—5.7LV8—N/A3/8 Inch x 18 Thread; 2 Blade Term.; With Light
1984ChevroletCaprice—5.7LV8—N/A3/8 Inch x 18 Thread Engine Coolant Temperature Sender with Light
1984ChevroletCelebrity—4.3LV6—N/A3/8 Inch x 18 Thread; 2 Blade Term.; With Light
1984ChevroletImpala—5.7LV8—N/A3/8 Inch x 18 Thread Engine Coolant Temperature Sender with Light
1984ChevroletMonte Carlo———DIESELN/A3/8 Inch x 18 Thread Engine Coolant Temperature Sender with Light
1984Oldsmobile98————N/ACompatible with vehicles equipped with a coolant temperature indicator light on the dashboard.
1984OldsmobileCustom Cruiser—5.7LV8—N/ACompatible with vehicles equipped with a coolant temperature indicator light on the dashboard.
1984OldsmobileCustom Cruiser—5.0LV8—N/ACompatible with vehicles equipped with a coolant temperature indicator light on the dashboard.
1984OldsmobileCutlass Calais———DIESELN/ACompatible with vehicles equipped with a coolant temperature indicator light on the dashboard.
1984OldsmobileCutlass Ciera—4.3LV6—N/A3/8 Inch x 18 Thread Engine Coolant Temperature Sender with Light
1984OldsmobileCutlass Supreme———DIESELN/A3/8 Inch x 18 Thread Engine Coolant Temperature Sender with Light
1984OldsmobileDelta 88—5.0LV8—N/A3/8 Inch x 18 Thread Engine Coolant Temperature Sender with Light
1984OldsmobileDelta 88—5.7LV8—N/A3/8 Inch x 18 Thread Engine Coolant Temperature Sender with Light
1984OldsmobileToronado————N/ACompatible with vehicles equipped with a coolant temperature indicator light on the dashboard.
1984Pontiac6000—4.3LV6—N/A3/8 Inch x 18 Thread Engine Coolant Temperature Sender with Light
1984PontiacBonneville—5.7LV8—N/A3/8 Inch x 18 Thread Engine Coolant Temperature Sender with Light
1984PontiacParisienne—5.7LV8—N/A3/8 Inch x 18 Thread Engine Coolant Temperature Sender with Light
Directly replaces or cross-references 10 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Four Seasons — 37930Four Seasons — 852231T105753-7747834025036629TS169TTS6662TW133WT416