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Instruments, Probes and Leads

123 products

WIRE, Bulk, Type K, 22 GA (Inch)

$0.24
Retail Price: $0.30
Not Eligible for Free Shipping
Must Order in Quantities of 600
In Stock

CHT PROBE BAYONET THERMISTOR

$574.12
Retail Price: $717.65
See Eligibile Aircraft
In Stock

TEMPERATURE PROBE, Coolar, Pilatus PC-12

$489.33
Retail Price: $611.67
Expected ship date is 02-06-2026.

Don't waste your money on cheap instruments and probes. There is a big difference!

McFarlane is your lowest price and quickest source for Alcor products!
Increase engine life and enhance safety through proper monitoring

  • Faster responding probes than low dollar alternatives
  • Temperature compensated gauges for accuracy all year round at any altitude
  • Single gauges monitor one cylinder, dual gauges for twin engine aircraft monitor one cylinder per engine. Add a selector switch to make an economical full engine analyzer. Lighted gauges and custom dials also available!

Alcor: A name you can trust

  • Over 50 years experience - Designed, manufactured and supported in the USA
  • Generous warranty: 3 years for gauges, 5 years for grounded probes, 1 year for ungrounded probes
  • FAA-PMA/STC approved for all aircraft with reciprocating engines

Save with complete kits!

Simple Installation

  • No power required from the aircraft (lighted gauges require power)
  • Works even with an electrical failure
  • Great for homebuilt or antique aircraft with no electrical system
  • Gauges include all mounting hardware
  • Standard 2 1/4" or 3 1/8" gauge sizes

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