NTK EF0074 sensor for the 1999-2013 GMC Sierra 1500 4.3L and other vehicles measures engine coolant temperature and sends an analog signal to the ECM, which uses it for the air/fuel ratio, the cooling fan(s) and the temperature gauge.
- Wires and probe length match OE.
- Thermal conductive grease inside the housing gives the sensor a faster response time and passes temperature accurately to the thermistor.
- Thermistor placement within the housing matches OE to ensure proper output.
Signs this engine coolant temperature sensor may be failing include a check engine light, an erratic or dead temperature gauge, and a cooling fan that runs wrong or not at all. A stuck thermostat, low coolant or a fan relay can be behind those signs too, so find the cause before you buy a sensor.
It is listed for a wide range of Chevrolet, GMC, Buick and Pontiac models, including the 1999-2011 Chevrolet Silverado 1500 4.3L and the 1995-2000 Chevrolet Tahoe 5.7L; each vehicle takes one. Open the "Vehicles it fits" section to check your exact model and engine.
Specifications
Fit and size
- Quantity per vehicle: 1
- Mounting type: threaded
- Head tool size: 19.05 mm
- Terminals: 2, male blade
- Connector: 1, oval, female
- Wires: 2
Build and materials
- Grade: standard replacement
- Material: plastic and metal
- Country of origin: Mexico
In the box
Sensor, wiring harness, mounting hardware, mounting bracket and thread sealant. A gasket or seal is not included.
Interchange: J3241950 · J8132906 · J8993298 · WT5134 · 3241950 · TS4032 · 36401 · 8132906 · 8993298 · CTS004 · TX4
This part cross-references / interchanges with the following part numbers:
J3241950, J8132906, J8993298, WT5134, 3241950, TS4032, 36401, 8132906, 8993298, CTS004, TX4
Frequently Asked Questions
Does the NTK EF0074 fit the 1999-2013 GMC Sierra 1500 4.3L? I'm looking at GMC Sierra 1500 sensors.
Yes. The NTK EF0074 is listed for the 1999-2013 GMC Sierra 1500 4.3L, and each truck takes one. For another engine or model, open the "Vehicles it fits" section.
Is the NTK EF0074 one of the sensors for the 1995-2000 Chevrolet Tahoe 5.7L?
Yes. NTK EF0074 is listed for the 1995-2000 Chevrolet Tahoe 5.7L, and for the 1999-2011 Chevrolet Silverado 1500 4.3L as well.
Does the NTK EF0074 come with a wiring harness and thread sealant?
Yes. NTK EF0074 comes with a wiring harness, mounting hardware, a mounting bracket and thread sealant. A gasket or seal is not included.
What connector and terminals does the NTK EF0074 sensor have?
This sensor has one oval female connector with two male blade terminals and two wires. It mounts by thread, and the head tool size is 19.05 mm.
Is the NTK EF0074 a holley NTK sensor or a holley efi NTK sensor?
No. This listing is the NTK EF0074 sensor, sold under the NTK brand and not as a Holley-branded part.
