86245 Alcor EGT/TIT Screw-In Thermocouple Probe 11.56″ (Type K, Model B) | McFarlane Aviation

Please confirm the 86245 thermocouple probe’s compatibility with your aircraft using these documents:

• Instruments, probes, and leads section of McFarlane Aviation catalog (PDF)
• Alcor EGT probe installation instructions (PDF)
• Alcor EGT CHT gauge installation instructions (PDF)

With Alcor’s blanket STC, p/n 86245 can replace many existing Screw-in Type K EGT/TIT probes, including old or obsolete part numbers.

Product Details:

• EGT/TIT Grounded Probe, 11.56″
• Thermocouple Type: K – Red and Yellow
• Mount: Screw-in, 7/16″-20
• Adjustable depth tip and built in radiator
• Stagger: Reverse
• Resistance: 0.70 +/- .10 Ohms
• Replaces: 216-3, 763-503, 86157, 86211, AN5541-1, MS90324-1, P104
• Approved by: EASA-STC (European Union), FAA-PMA, FAA-STC (Modification Article)
• Manufactured by Alcor, Inc.

• Backed by an industry leading 5-year warranty
• Small element diameter provides for near instantaneous instrument response
• Lead wires are configured in reverse stagger(long red and short yellow)
• Built in radiator minimizes the high temperature effects on internal spot weld connections
• Provides sufficient electrical power for Alcor unamplified instruments
• Intended for use with Type K EGT or TIT instruments and leads
• Accurate to ± 25 degrees at 1500 degrees Fahrenheit
• PMA and FAA approved for all reciprocating powered aircraft
• Alcor probes are designed, manufactured, and supported in the U.S.A.