Skip to product information
SKU:
ZZ3F05204
Same day shipping if ordered by 4PM CST.
40-974 Graded Sensor Air Temperature Fit Thermo King Spectrum Super-II TCI DE SB
$59.19
In Stock
$59.19
Sale price
$59.19
Regular price
Part Number(s)
Estimated delivery between
Let Northline Parts Do the Heavy Lifting for You!
Not sure which part you need? Our team can help you find the right replacement.
Parts Support Hours: Monday–Friday, 8:00 AM–5:00 PM CT
Live Chat: Available 24/7
I reached out for some replacement head bolts and they responded quickly with a few questions and cautionary information and is sending me some bolts. Great customer service! Thanks
Edward H. — Verified customer
Compatible Models
We do our best to list all compatible models. Although this may be the part you need, your exact model may not appear below.
Compatible equipment / model
40-974 Graded Sensor Air Temperature for Thermo King
The 40-974 graded sensor air temperature is a replacement temperature probe for Thermo King Spectrum, Super-II, TCI, DE, and SB refrigeration systems, providing accurate air temperature sensing for climate control. This 40-974 sensor helps maintain reliable temperature readings in Thermo King transport units.
Overview
This 40-974 graded sensor air temperature is a service-grade replacement sensor for select Thermo King transport refrigeration units. It detects air temperature and relays the reading to the system controller, supporting consistent operation. The sensor suits maintenance of Thermo King Spectrum, Super-II, TCI, DE, and SB models.
Built For Performance
- Thermistor-based sensing element for dependable temperature readings
- Sealed construction protects against moisture and road contaminants
- Engineered to match the functional characteristics of the original sensor
- Utilizes the 40-974 reference number for easy cross-referencing
- Built for long service life in demanding transport environments
Fits These Machines
- for Thermo King Spectrum
- for Thermo King Super-II
- for Thermo King TCI
- for Thermo King DE
- for Thermo King SB
On-The-Job Use
- Commonly used in trailer and truck refrigeration units during over-the-road freight transport
- Suitable for cold chain logistics requiring precise temperature control
- Typical replacement part during scheduled Thermo King system maintenance
- Supports temperature accuracy in varied climate conditions
Specs At A Glance
| Part Number(s) | 40-974 |
| Sensor Type | Air temperature sensor |
| Compatible Systems | Thermo King Spectrum, Super-II, TCI, DE, SB |
Good To Know
Q: What is the function of the 40-974 graded sensor air temperature? A: It measures air temperature in the refrigeration unit and sends a signal to the controller so the system can maintain the setpoint accurately.
Q: Is installation of this sensor complex? A: Installation generally involves removing the old sensor, connecting the new 40-974 sensor to the wiring harness, and mounting it in the designated location, similar to the original part.
Slight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.