HomeBelts and Cooling > Sending UnitsStandard Ignition TS-78 Engine Coolant Temperature Sender
Part #: TS-78

Standard Ignition TS-78 Engine Coolant Temperature Sender

⚙️ 127 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Chevrolet, GMC, and Pontiac, C20, C30, K20, K30, P20, P30, C2500, C3500, K2500, K3500, P2500, P3500, C10, K10, P10, C1500, K1500, P1500, C20 Suburban, Camaro, Caprice, G10, G20, G30, Impala, K2500 Suburban, C10 Suburban, K10 Suburban, K20 Suburban, K5 Blazer, C15, C25, C35, K15, K25, K35, Nova, Jimmy, Blazer, Firebird, and Ventura
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Overview of Standard Ignition Engine Coolant Temperature Sender TS-78

The Standard Ignition TS-78 Engine Coolant Temperature Sender is designed for precise temperature monitoring in select Chevrolet, GMC, and Pontiac vehicles. This sender features a male connector and a single male blade terminal, ensuring reliable electrical connections for accurate engine coolant temperature readings.

  • Connector Gender: Male for secure fitment
  • Terminal Gender: Male blade type
  • Terminal Quantity: Single terminal for straightforward installation
  • Compatible with multiple Chevrolet, GMC, and Pontiac models
  • Part Number: TS-78 for easy identification and replacement

Detailed Product Description

The TS-78 Engine Coolant Temperature Sender by Standard Ignition is engineered to provide consistent and accurate temperature data to the vehicle’s engine control system. Featuring a male connector and a single male blade terminal, this sender is designed to integrate seamlessly with the original equipment wiring harness. Its blade terminal type ensures a secure and corrosion-resistant connection, which is critical for maintaining proper engine temperature readings. This part is compatible with a wide range of Chevrolet, GMC, and Pontiac vehicles, including models such as the Chevrolet Blazer, C10 Suburban, Camaro, and Pontiac Firebird, among others.

Compatible Vehicles and Applications

This temperature sender is compatible with the following makes and models:

  • Chevrolet Blazer, C10, C10 Suburban, C20, C20 Suburban, C30, C1500, C2500, C3500, Camaro, Caprice, Impala, Nova
  • GMC Jimmy, K5 Blazer, K10, K10 Suburban, K20, K20 Suburban, K30, K1500, K2500, K2500 Suburban, K3500
  • Pontiac Firebird
  • G10, G20, G30, P10, P20, P30, P1500, P2500, P3500

Common Issues Addressed by the TS-78 Sender

  • Inaccurate engine temperature readings causing improper cooling fan operation
  • Engine overheating due to faulty temperature sensor signals
  • Erratic temperature gauge behavior on the dashboard
  • Check engine light triggered by temperature sensor faults
  • Engine performance issues related to incorrect coolant temperature data

Installation Notes and Tips

  • Ensure the engine is cool before attempting installation to avoid burns
  • Disconnect the battery to prevent electrical shorts during replacement
  • Verify the connector and terminal type match the vehicle’s wiring harness
  • Use dielectric grease on the blade terminal to prevent corrosion and ensure a solid connection
  • Torque the sender to manufacturer specifications to avoid leaks or damage

Quality Assurance and Warranty

Standard Ignition parts are manufactured to meet or exceed OEM specifications, ensuring reliable performance and durability. The TS-78 Engine Coolant Temperature Sender undergoes rigorous quality control testing to maintain consistent accuracy and fitment. This part is backed by Standard Ignition’s limited warranty, providing coverage against defects in material and workmanship under normal use.

BrandStandard Ignition
Part NumberTS-78
Connector GenderMale
Terminal GenderMale
Terminal TypeBlade

This part fits 127 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
1985ChevroletC204.8LL6N/AMetal Engine Coolant Temperature Sender with Light
1985ChevroletC304.8LL6N/AMetal Engine Coolant Temperature Sender with Light
1985ChevroletK204.8LL6N/AMetal Engine Coolant Temperature Sender with Light
1985ChevroletK304.8LL6N/AMetal Engine Coolant Temperature Sender with Light
1985ChevroletP204.8LL6N/Aw/ Cast Iron Manifold; Metal Temp; With Light
1985ChevroletP304.8LL6N/Aw/ Cast Iron Manifold; Metal Temp; With Light
1985GMCC25004.8LL6N/AMetal Engine Coolant Temperature Sender with Light
1985GMCC35004.8LL6N/AMetal Engine Coolant Temperature Sender with Light
1985GMCK25004.8LL6N/AMetal Engine Coolant Temperature Sender with Light
1985GMCK35004.8LL6N/AMetal Engine Coolant Temperature Sender with Light
1985GMCP25004.8LL6N/Aw/ Cast Iron Manifold; Metal Temp; With Light
1985GMCP35004.8LL6N/Aw/ Cast Iron Manifold; Metal Temp; With Light
1984ChevroletC104.1LL6N/AMetal Engine Coolant Temperature Sender with Light
1984ChevroletC204.1LL6N/AMetal Engine Coolant Temperature Sender with Light
1984ChevroletK104.1LL6N/AMetal Engine Coolant Temperature Sender with Light
1984ChevroletP204.8LL6N/AMetal Engine Coolant Temperature Sender with Light
1984ChevroletP304.8LL6N/AMetal Engine Coolant Temperature Sender with Light
1984GMCC25004.8LL6N/AMetal Engine Coolant Temperature Sender with Light
1984GMCC35004.8LL6N/AMetal Engine Coolant Temperature Sender with Light
1984GMCK25004.8LL6N/AMetal Engine Coolant Temperature Sender with Light
1984GMCK35004.8LL6N/AMetal Engine Coolant Temperature Sender with Light
1984GMCP25004.8LL6N/AMetal Engine Coolant Temperature Sender with Light
1984GMCP35004.8LL6N/AMetal Engine Coolant Temperature Sender with Light
1983ChevroletC204.8LL6N/AMetal Engine Coolant Temperature Sender with Light
1983ChevroletC304.8LL6N/AMetal Engine Coolant Temperature Sender with Light
1983ChevroletK204.8LL6N/AMetal Engine Coolant Temperature Sender with Light
1983ChevroletK304.8LL6N/AMetal Engine Coolant Temperature Sender with Light
1983ChevroletP204.8LL6N/AMetal Engine Coolant Temperature Sender with Light
1983ChevroletP304.8LL6N/AMetal Engine Coolant Temperature Sender with Light
1983GMCC25004.8LL6N/AMetal Engine Coolant Temperature Sender with Light
1983GMCC35004.8LL6N/AMetal Engine Coolant Temperature Sender with Light
1983GMCK25004.8LL6N/AMetal Engine Coolant Temperature Sender with Light
1983GMCK35004.8LL6N/AMetal Engine Coolant Temperature Sender with Light
1983GMCP25004.8LL6N/AMetal Engine Coolant Temperature Sender with Light
1983GMCP35004.8LL6N/AMetal Engine Coolant Temperature Sender with Light
1982ChevroletC204.8LL6N/AMetal Engine Coolant Temperature Sender with Light
1982ChevroletC304.8LL6N/AMetal Engine Coolant Temperature Sender with Light
1982ChevroletK204.8LL6N/AMetal Engine Coolant Temperature Sender with Light
1982ChevroletK304.8LL6N/AMetal Engine Coolant Temperature Sender with Light
1982ChevroletP204.8LL6N/AMetal Engine Coolant Temperature Sender with Light
1982ChevroletP304.8LL6N/AMetal Engine Coolant Temperature Sender with Light
1982GMCC25004.8LL6N/AMetal Engine Coolant Temperature Sender with Light
1982GMCC35004.8LL6N/AMetal Engine Coolant Temperature Sender with Light
1982GMCK25004.8LL6N/AMetal Engine Coolant Temperature Sender with Light
1982GMCK35004.8LL6N/AMetal Engine Coolant Temperature Sender with Light
1982GMCP25004.8LL6N/AMetal Engine Coolant Temperature Sender with Light
1982GMCP35004.8LL6N/AMetal Engine Coolant Temperature Sender with Light
1981ChevroletC204.8LL6N/AMetal Engine Coolant Temperature Sender with Light
1981ChevroletC304.8LL6N/AMetal Engine Coolant Temperature Sender with Light
1981ChevroletK204.8LL6N/AMetal Engine Coolant Temperature Sender with Light
1981ChevroletK304.8LL6N/AMetal Engine Coolant Temperature Sender with Light
1981ChevroletP204.8LL6N/AMetal Engine Coolant Temperature Sender with Light
1981ChevroletP304.8LL6N/AMetal Engine Coolant Temperature Sender with Light
1981GMCC25004.8LL6N/AMetal Engine Coolant Temperature Sender with Light
1981GMCC35004.8LL6N/AMetal Engine Coolant Temperature Sender with Light
1981GMCK25004.8LL6N/AMetal Engine Coolant Temperature Sender with Light
1981GMCK35004.8LL6N/AMetal Engine Coolant Temperature Sender with Light
1981GMCP25004.8LL6N/AMetal Engine Coolant Temperature Sender with Light
1981GMCP35004.8LL6N/AMetal Engine Coolant Temperature Sender with Light
1980ChevroletC104.8LL6N/AMetal Engine Coolant Temperature Sender with Light
1980ChevroletC204.8LL6N/AMetal Engine Coolant Temperature Sender with Light
1980ChevroletC304.8LL6N/AMetal Engine Coolant Temperature Sender with Light
1980ChevroletK104.8LL6N/AMetal Engine Coolant Temperature Sender with Light
1980ChevroletK204.8LL6N/AMetal Engine Coolant Temperature Sender with Light
1980ChevroletK304.8LL6N/AMetal Engine Coolant Temperature Sender with Light
1980ChevroletP10N/AMetal Engine Coolant Temperature Sender with Light
1980ChevroletP204.8LL6N/AMetal Engine Coolant Temperature Sender with Light
1980ChevroletP304.8LL6N/AMetal Engine Coolant Temperature Sender with Light
1980GMCC15004.8LL6N/AMetal Engine Coolant Temperature Sender with Light
1980GMCC25004.8LL6N/AMetal Engine Coolant Temperature Sender with Light
1980GMCC35004.8LL6N/AMetal Engine Coolant Temperature Sender with Light
1980GMCK15004.8LL6N/AMetal Engine Coolant Temperature Sender with Light
1980GMCK25004.8LL6N/AMetal Engine Coolant Temperature Sender with Light
1980GMCK35004.8LL6N/AMetal Engine Coolant Temperature Sender with Light
1980GMCP1500N/AMetal Engine Coolant Temperature Sender with Light
1980GMCP25004.8LL6N/AMetal Engine Coolant Temperature Sender with Light
1980GMCP35004.8LL6N/AMetal Engine Coolant Temperature Sender with Light
1979ChevroletC104.8LL6N/AMetal Engine Coolant Temperature Sender with Light
1979ChevroletC20 Suburban4.8LL6N/ACompatible with vehicles equipped with a coolant temperature indicator light on the dashboard.
1979ChevroletC304.8LL6N/AMetal Engine Coolant Temperature Sender with Light
1979ChevroletCamaro4.1LL6N/ACompatible with vehicles equipped with a coolant temperature indicator light on the dashboard.
1979ChevroletCaprice4.1LL6N/AMetal Temp; w/ Federal Emissions; With Light
1979ChevroletG104.1LL6N/AMetal Engine Coolant Temperature Sender with Light
1979ChevroletG204.1LL6N/AMetal Engine Coolant Temperature Sender with Light
1979ChevroletG304.1LL6N/AMetal Engine Coolant Temperature Sender with Light
1979ChevroletImpala4.1LL6N/AMetal Temp; w/ Federal Emissions; With Light
1979ChevroletK204.8LL6N/AMetal Engine Coolant Temperature Sender with Light
1979ChevroletK304.8LL6N/AMetal Engine Coolant Temperature Sender with Light
1979ChevroletP10N/AMetal Engine Coolant Temperature Sender with Light
1979ChevroletP20N/AMetal Engine Coolant Temperature Sender with Light
1979ChevroletP30N/AMetal Engine Coolant Temperature Sender with Light
1979GMCC15004.8LL6N/ACompatible with vehicles equipped with a coolant temperature indicator light on the dashboard.
1979GMCC35004.8LL6N/ACompatible with vehicles equipped with a coolant temperature indicator light on the dashboard.
1979GMCK25004.8LL6N/ACompatible with vehicles equipped with a coolant temperature indicator light on the dashboard.
1979GMCK2500 Suburban4.8LL6N/ACompatible with vehicles equipped with a coolant temperature indicator light on the dashboard.
1979GMCK35004.8LL6N/ACompatible with vehicles equipped with a coolant temperature indicator light on the dashboard.
1979GMCP1500N/ACompatible with vehicles equipped with a coolant temperature indicator light on the dashboard.
1979GMCP2500N/ACompatible with vehicles equipped with a coolant temperature indicator light on the dashboard.
1979GMCP3500N/ACompatible with vehicles equipped with a coolant temperature indicator light on the dashboard.
1978ChevroletC10 SuburbanN/AMetal Engine Coolant Temperature Sender with Light
1978ChevroletC20 SuburbanN/AMetal Engine Coolant Temperature Sender with Light
1978ChevroletK10 SuburbanN/AMetal Engine Coolant Temperature Sender with Light
1978ChevroletK20 SuburbanN/AMetal Engine Coolant Temperature Sender with Light
1978ChevroletK5 BlazerN/AMetal Engine Coolant Temperature Sender with Light
1977ChevroletC10N/AMetal Engine Coolant Temperature Sender with Light
1977ChevroletC10 SuburbanN/ACompatible with vehicles equipped with a coolant temperature indicator light on the dashboard.
1977ChevroletC20N/AMetal Engine Coolant Temperature Sender with Light
1977ChevroletC20 SuburbanN/ACompatible with vehicles equipped with a coolant temperature indicator light on the dashboard.
1977ChevroletC30N/AMetal Engine Coolant Temperature Sender with Light
1977ChevroletK10N/AMetal Engine Coolant Temperature Sender with Light
1977ChevroletK10 SuburbanN/ACompatible with vehicles equipped with a coolant temperature indicator light on the dashboard.
1977ChevroletK20N/AMetal Engine Coolant Temperature Sender with Light
1977ChevroletK20 SuburbanN/ACompatible with vehicles equipped with a coolant temperature indicator light on the dashboard.
1977ChevroletK30N/AMetal Engine Coolant Temperature Sender with Light
1976ChevroletC10 SuburbanN/AMetal Engine Coolant Temperature Sender with Light
1976ChevroletC20 SuburbanN/AMetal Engine Coolant Temperature Sender with Light
1976ChevroletK10 SuburbanN/AMetal Engine Coolant Temperature Sender with Light
1976ChevroletK20 SuburbanN/AMetal Engine Coolant Temperature Sender with Light
1976ChevroletK5 BlazerN/ACompatible with vehicles equipped with a coolant temperature indicator light on the dashboard.
1976ChevroletNova4.1LL6N/AMetal Temp; Exc. Integrated Cylinder Head; With Light
1976GMCJimmyN/AMetal Engine Coolant Temperature Sender with Light
1975ChevroletC10 SuburbanN/AMetal Engine Coolant Temperature Sender with Light
1975ChevroletC20 SuburbanN/AMetal Engine Coolant Temperature Sender with Light
1975ChevroletK10 SuburbanN/AMetal Engine Coolant Temperature Sender with Light
1975ChevroletK20 SuburbanN/AMetal Engine Coolant Temperature Sender with Light
1974ChevroletBlazerN/AMetal Temp; 1 Term.; With Light
1974PontiacFirebird4.1LL6N/AMetal Engine Coolant Temperature Sender with Light

* 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:

1913925219987131T10873-1884TS6624TU45TW96WT345

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