Engine Instruments

Monitor your engine’s health with precision. Explore our range of digital Engine Instruments, including single-probe gauges and complete glass-panel engine monitors from JPI and Electronics International.

Showing 1–20 of 118 results

2 1/4″ Diamond Mechanical Tachometer by Superior Labs

$1,078.00
Specifications
Accuracy to within ± 25 RPM
Diameter 2-1/4"
Length 3-1/2" Weight: 13 Oz. Two Years Warranty

2 1/4″ GEM G3 Engine Monitor 4 or 6-Cyl Single G1/600 Upgrade + $500 Core (Applied in Cart)

$2,398.00
Insight 2 1/4″ GEM G3 Engine Monitor 4 or 6-Cyl Single G1/600 Upgrade + $500 Refundable Core (Applied in Cart)

2 1/4″ GEM G3 Engine Monitor 4 or 6-Cyl Single G2 Upgrade + $500 Core (Applied in Cart)

$2,108.00
Insight 2 1/4″ GEM G3 Engine Monitor 4 or 6-Cyl Single G2 Upgrade + $500 Refundable Core (Applied in Cart)

2 1/4″ GEM G3 Engine Monitor 4-Cyl Single

$2,882.00
Insight 2 1/4″ GEM G3 Engine Monitor 4-Cyl Single Now TSO/STC Approved – Fits Most Applications G3-G4 size and depth

2 1/4″ GEM G3 Engine Monitor 4-Cyl Single Turbo

$3,094.00
Insight 2 1/4″ GEM G3 Engine Monitor 4-Cyl Single Turbo Now TSO/STC Approved – Fits Most Applications G3-G4 size and

2 1/4″ GEM G3 Engine Monitor 4-Cyl Single Twin Turbo

$3,164.00
Insight 2 1/4″ GEM G3 Engine Monitor 4-Cyl Single Twin Turbo Now TSO/STC Approved – Fits Most Applications G3-G4 size

2 1/4″ GEM G3 Engine Monitor 6-Cyl Single

$2,970.00
Insight 2 1/4″ GEM G3 Engine Monitor 6-Cyl Single Now TSO/STC Approved – Fits Most Applications G3-G4 size and depth

3 1/8″ Beechcraft Mechanical Tachometer by Superior Labs

$858.00
Specifications
Accuracy to within ± 25 RPM
Diameter 3-1/8"
Length 3-1/2" Weight: 13 Oz. Two Years Warranty

3 1/8″ GEM G4 Engine Monitor 4 or 6-Cyl 1200-062 Twin Upgrade + $1,000 Core (Applied in Cart)

$4,774.00
Insight 3 1/8″ GEM G4 Engine Monitor 4 or 6-Cyl 1200-062 Twin Upgrade + $1,000 Refundable Core (Applied in Cart)

3 1/8″ GEM G4 Engine Monitor 4 or 6-Cyl G2 Single Upgrade + $500 Core (Applied in Cart)

$2,662.00
Insight 3 1/8″ GEM G4 Engine Monitor 4-Cyl Single G2 Upgrade + $500 Refundable Core (Applied in Cart) Now TSO/STC

3 1/8″ GEM G4 Engine Monitor 4 or 6-Cyl Single G1/600 Upgrade + $500 Core (Applied in Cart)

$3,168.00
Insight 3 1/8″ GEM G4 Engine Monitor 4 or 6-Cyl Single G1/600 Upgrade + $500 Refundable Core (Applied in Cart)

3 1/8″ GEM G4 Engine Monitor 4-Cyl Single

$3,542.00
Insight 3 1/8″ GEM G4 Engine Monitor 4-Cyl Single Now TSO/STC Approved – Fits Most Applications G3-G4 size and depth

3 1/8″ GEM G4 Engine Monitor 4-Cyl Single Turbo

$3,960.00
Insight 3 1/8″ GEM G4 Engine Monitor 4-Cyl Single Turbo Now TSO/STC Approved – Fits Most Applications G3-G4 size and

3 1/8″ GEM G4 Engine Monitor 4-Cyl Twin

$5,588.00
Insight 3 1/8″ GEM G4 Engine Monitor 4-Cyl Twin Now TSO/STC Approved – Fits Most Applications G3-G4 size and depth

3 1/8″ GEM G4 Engine Monitor 6-Cyl Twin

$5,804.00
Insight 3 1/8″ GEM G4 Engine Monitor 6-Cyl Twin Now TSO/STC Approved – Fits Most Applications G3-G4 size and depth

3 1/8″ GEM G4 Engine Monitor 6-Cyl Twin Turbo

$6,156.00
Insight 3 1/8″ GEM G4 Engine Monitor 6-Cyl Twin Turbo Now TSO/STC Approved – Fits Most Applications G3-G4 size and

3 1/8″ Mechanical Tachometer by Superior Labs

$858.00
Specifications
Accuracy to within ± 25 RPM Range 0-3500 RPM
Diameter 3-1/8"
Length 3-1/2" Weight: 13 Oz. Two Years Warranty

3 1/8″ Mooney Mechanical Tachometer by Superior Labs

$1,078.00
Specifications
Accuracy to within ± 25 RPM
Diameter 3-1/8"
Length 3-1/2" Weight: 13 Oz. Two Years Warranty

CGR-30P (2 Monitors) & CGR-30C Primary 4-Cylinder Twin Engine Monitor Combo

$7,919.00
  • Models: CGR-30P
  • FAA Certifications: STC’d, PMA’d and TSO’d
  • Weight: 1.1 Lbs
  • Environmental: Designed and Tested to TSO (DO-160G)
  • Software: Designed and Documented to TSO (DO-178B, Level C)
  • Minimum Performance Standards: TSO-C43c, TSO-C44c, TSO-C45b, TSO-C47a, TSO-C48a, TSO-49b and TSO-C55a
  • Power Requirements: 7.5 to 30 Volts, 0.1 amps @ 24V (Typ), 0.2 amps @ 12 Volts (Typ)
  • USB Port: For USB Memory Stick use only
  • Display: Active Matrix TFT, 262,144 colors, Sunlight readable
  • Backlight: External control line, programmable levels
  • Display of Primary Gauges with Red and/or Yellow Ranges: Five on the Main Screen + EGT and CHT, One on the Secondary Screen
  • Display of Primary and Non-Primary Gauges without Red and/or Yellow Ranges: Five on the Main Screen + EGT and CHT, Six on the Secondary Screen

CGR-30P & CGR-30C Primary 4-Cylinder Engine Monitor Combo

$4,443.00
  • Models: CGR-30P
  • FAA Certifications: STC’d, PMA’d and TSO’d
  • Weight: 1.1 Lbs
  • Environmental: Designed and Tested to TSO (DO-160G)
  • Software: Designed and Documented to TSO (DO-178B, Level C)
  • Minimum Performance Standards: TSO-C43c, TSO-C44c, TSO-C45b, TSO-C47a, TSO-C48a, TSO-49b and TSO-C55a
  • Power Requirements: 7.5 to 30 Volts, 0.1 amps @ 24V (Typ), 0.2 amps @ 12 Volts (Typ)
  • USB Port: For USB Memory Stick use only
  • Display: Active Matrix TFT, 262,144 colors, Sunlight readable
  • Backlight: External control line, programmable levels
  • Display of Primary Gauges with Red and/or Yellow Ranges: Five on the Main Screen + EGT and CHT, One on the Secondary Screen
  • Display of Primary and Non-Primary Gauges without Red and/or Yellow Ranges: Five on the Main Screen + EGT and CHT, Six on the Secondary Screen

Upgrade your panel with primary replacement Engine Data Monitors (EDM). We stock the JPI EDM 930, EDM 960, and Electronics International MVP-50 systems. Monitor critical data including EGT, CHT, Oil Pressure, and Fuel Flow to run lean-of-peak safely. Trust Jet Aviation Spare Parts for certified engine monitoring solutions.

The Most Trusted Names in Aviation, Available Now

Thank you for browsing the comprehensive selection at Jet Aviation Spare Parts. We pride ourselves on stocking the most critical components for pilots and mechanics across the USA. If you are planning a panel upgrade, explore our full range of Dynon Avionics and LoneStar Aviation accessories. Need new communication gear? Compare the premium Bose Aviation Headsets against top-tier models from David Clark and Lightspeed ANR Headsets. We carry all required engine instruments, certified transceivers & radios, and innovative uAvionix ADS-B UAT solutions to keep you flying safely and compliantly. Shop confidently with fast, USA shipping on all aircraft lighting systems and pilot supplies.

Didn't find what you were looking for? Contact our certified parts specialists for assistance.