Good value and functionality. I’ve used your instruments on multiple aircraft thru the years with no issues. These are a nice upgrade over the original instruments in most older aircraft.
P-120 – Oil Temp Probe
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Product Overview

Reliable Probes

An Engine Monitor is only as good as its probes. That’s why Electronics International (EI) has taken the development of its probes, connectors, and accessories very seriously. EI has been designing and manufacturing probes for over 30 years. All of our probes have been designed in-house by our engineering team. Our team has studied, tested and designed temperature probes since the 1970′s. They have written research documents such as The Pilots Manual – Leaning and Diagnosing Engine Problems and Accurate CHT Measurements. Just as an Engine Monitor is only as good as its probes, a probe is only as good as its connector. That’s why EI’s engineering team developed EI’s proprietary OLC-2 connector. The OLC-2 connector greatly increases reliability and reduces installation errors as compared to traditional type connectors. Whether you’re looking for a reliable and accurate CHT, EGT, TIT or various other probe types, EI has what you need. With more than a half million probes sold and tested you can count on EI’s reliability.
Prices
Retail Prices
Packages include:
- P-120 Oil Temp Probe
- Installation Instructions
Description
Package
Retail Price
P-120 Oil Temp Probe
-
$128

Specifications
Specifications
Common Uses
Oil Temp Readings
Type
Screw-in, 5/8″-18
Operating Temp Range
-80°F to 1,700°F
FAA Certifications
TSO’d, PMA’d
Configuration
Type K, Ungrounded
Material
Brass
Videos
Documents
Documents & Manuals
Testimonials
Customer Testimonials
Responsive customer service, kudos to [customer service].
- Customer
James A. From Alabama
- Aircraft
Cessna 182B Skylane
- EI Instrument
Simple and Easy.
- Customer
Aaron H. from Washington
- Aircraft
Cessna 140
- EI Instrument
After a full IFR install on my Cessna 175, my two favorite instruments without question is the CGR-30 Combo set. Simple and customizable, the data is invaluable!
Great Service.
- Customer
Flying Academy from New York
- Aircraft
Piper PA-28-161 Warrior
- EI Instrument
Looks Great, and intuitive to use. Packs a lot of information in a tight area, yet, I don’t need my glasses to read it!
- Customer
Bill M. from Connecticut
- Aircraft
American Champion Citabria 7KCAB
- EI Instrument
Your products always work great! Great customer service and a quality product that we have used for years.
- Customer
Brenton C. from Tennessee
- Aircraft
Cessna 172M
- EI Instrument
I really appreciate the quality of communication about my order. The instrument offers the right functionality (being a primary instrument) in the right form factor for my application.
Big improvement over old cluster (gauges). Good customer service.
- Customer
William P. from Louisiana
- Aircraft
Cessna U206
- EI Instrument
Installed digital volt/amp gauge in PA 28-181. Great unit easy to install. Much better than original.
I have been flying with EI instruments for over 20 years. I purchased the CGR-30P to update my engine instruments into one modern package.
Have had EI instruments in my past plane and current plane and they always performed flawlessly.
- Customer
Gary M. from California
- Aircraft
Cessna 182Q Skylane
- EI Instrument