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Instruments, Probes and Leads

100 products

CHT PROBE BAYONET STYLE TYPE K

$131.83
Retail Price: $164.78

PROBE, Screw-in Bayonet Style, Type K

$157.52
Retail Price: $196.90
Expected ship date is 07-14-2026.

EGT PROBES MODEL A CLAMP TYPE K

$135.67
Retail Price: $169.58

CHT REFERENCE THERMOCOUPLE FOR

$155.94
Retail Price: $194.93

CHT GASKET, Type K, 18mm

$180.96
Retail Price: $226.20

CHT GASKET, Type K, 14mm

$121.85
Retail Price: $152.31
Expected ship date is 07-14-2026.

EGT PROBE MODEL A CLAMP (REVER

$150.71
Retail Price: $188.39

EGT PROBE MODEL A CLAMP TYPE K

$276.61
Retail Price: $345.76

UNGROUNDED EGT PROBES SCREW-IN

$712.95
Retail Price: $891.19

UNGROUNDED EGT PROBES SCREW-IN

$712.95
Retail Price: $891.19

UNGROUNDED EGT PROBES SCREW-IN

$712.95
Retail Price: $891.19

UNGROUNDED EGT PROBE CLAMP TYP

$712.95
Retail Price: $891.19

UNGROUNDED EGT/TIT CLAMP, Type K

$405.33
Retail Price: $506.67

EGT/TIT THERMOCOUPLE

$712.95
Retail Price: $891.19

CONTROL (Mixture, Vernier)

$231.74
Retail Price: $289.68

WIRE, Bulk Type K Thermocouple Extension (Inch)

$0.53
Retail Price: $0.66
Must Order in Quantities of 12
Not Eligible for Free Shipping
Expected ship date is 06-08-2026.

WIRE, BULK TYPE K (Inch)

$0.51
Retail Price: $0.64
Must Order in Quantities of 12
Not Eligible for Free Shipping
Expected ship date is 07-24-2026.

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

$0.25
Retail Price: $0.32
Must Order in Quantities of 600
Not Eligible for Free Shipping
In Stock

CHT PROBE BAYONET THERMISTOR

$597.08
Retail Price: $746.35
See Eligible Aircraft
In Stock

TEMPERATURE PROBE, Coolar, Pilatus PC-12

$489.33
Retail Price: $611.67
Expected ship date is 08-07-2026.

Instruments, Probes, Leads Category (instrument_probes_leads_category.jpg)

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