Marine Engine Monitoring
Keep essential engine information in view with digital displays, analog gauges, senders, and interface accessories from Aetna, Veratron, and VDO. Monitor RPM, pressure, temperature, voltage, and more, with options for mechanical and electronically controlled marine engines.
136 products
Subcategories
VeratronVeratron VMH 70 7 in Multifunction Touchscreen Display
7 in Veratron VMH 70 touchscreen for engine, vessel and navigation data with NMEA 2000, dual SAE J1939, EasyLink, analog inputs and composite video.
SKU VER-B00129201
$1,578.90
VeratronVeratron OL43 4.3 in Multifunction TFT Display
Current-generation OL43 4.3 in IPS display with NMEA 2000, SAE J1939, analog inputs, Ethernet, embedded gateway and IPX7 protection.
SKU VER-B00126101
$619.50
Low stock · 2 leftAetna EngineeringAetna 8402R-B-DS Red LED Auto-Dimming Digital Tachometer
Tachometer, round, red LED display with automatic low-light dimming, black anodized aluminum bezel (B) For use on diesel engine.
SKU AET-8402R-B-DS
$310.00MSRP $360.00- Low stock · 2 leftAetna Engineering
Aetna 8402R-B-H-DS Red LED Auto-Dimming Digital Tachometer
Tachometer, round, red LED display with automatic low-light dimming, black anodized aluminum bezel (B) With LCD hour meter, for use on diesel engine.
SKU AET-8402R-B-H-DS
$345.00MSRP $405.00 
Aetna EngineeringAetna 8402R-P-DS Red LED Auto-Dimming Digital Tachometer
Tachometer, round, red LED display with automatic low-light dimming, polished stainless steel bezel (P) For use on diesel engine.
SKU AET-8402R-P-DS
$310.00MSRP $360.00
Aetna EngineeringAetna 8901 Mechanical Tachometer Sender
Sender, mechanically driven, single output, fits most tach drives on diesel engines.
SKU AET-8901
$325.00MSRP $380.00
Aetna EngineeringAetna 8902 Mechanical Tachometer Sender
Sender, mechanically driven, (8901 with dual output, high & reg. voltage output).
SKU AET-8902
$355.00MSRP $415.00
Aetna EngineeringAetna 8905R-B-DS LCD Red-Backlit Digital Tachometer
Tachometer, round, LCD display with red backlight, black anodized aluminum bezel(B) For use on diesel engine.
SKU AET-8905R-B-DS
$325.00MSRP $380.00- Low stock · 2 leftAetna Engineering
Aetna 8905R-B-H-DS LCD Red-Backlit Digital Tachometer
Tachometer, round, LCD display with red backlight, black anodized aluminum bezel (B) With LCD hour meter, for use on diesel engine.
SKU AET-8905R-B-H-DS
$360.00MSRP $420.00 
Aetna EngineeringAetna 8905R-P-H-DS LCD Red-Backlit Digital Tachometer
Tachometer, round, LCD display with red backlight, polished stainless steel bezel (P) With LCD hour meter, for use on diesel engine.
SKU AET-8905R-P-H-DS
$360.00MSRP $420.00
Aetna EngineeringAetna 8910 Flywheel Gear Sensor
Flywheel gear sensor, single output (3/4"- 16 tpi, 2-1/2" long).
SKU AET-8910
$220.00MSRP $255.00
Aetna EngineeringAetna 8922 Flywheel Gear Sensor
Flywheel gear sensor, single output (5/8"- 18 tpi, 4" long).
SKU AET-8922
$240.00MSRP $280.00
VDOVDO 100 PSI Standard Ground Pressure Sender – 1/8-27 NPTF – 360-086
100 PSI VDO analog pressure sender with standard ground, 1/8-27 NPTF thread and 10-32 stud connection.
SKU VDO-360-086
$44.36
VDOVDO 150 PSI Dual-Station Floating-Ground Pressure Sender – 1/8-27 NPTF – 362-002
Analog 150 PSI dual-station VDO pressure sender with floating ground and a 1/8-27 NPTF thread.
SKU VDO-362-002
$86.57
VDOVDO 150 PSI Dual-Station Standard-Ground Pressure Sender – 1/8-27 NPT – 362-034
150 PSI dual-station VDO pressure sender with standard ground, a 1/8-27 NPT connection and knurled-nut terminal.
SKU VDO-362-034
$88.09
VDOVDO 150 PSI Pressure Sender with 11.4 PSI Warning Contact – 1/8-27 NPTF – 360-025
150 PSI standard-ground VDO sender with a 1/8-27 NPTF thread and 11.4 PSI warning contact.
SKU VDO-360-025
$95.32
VDOVDO 150 PSI Pressure Sender with 7 PSI Warning Contact – M10 x 1.0 – 360-023
150 PSI standard-ground VDO pressure sender with M10 x 1.0 thread and a 7 PSI warning contact.
SKU VDO-360-023
$97.19
VDOVDO 150 PSI Pressure Sender – 1/8-27 NPTF – 360-430B
Bulk-pack 150 PSI VDO pressure sender with a 1/8-27 NPTF thread and knurled-nut connection for matching VDO gauges.
SKU VDO-360-430B
$79.34
VDOVDO 150 PSI Standard Ground Pressure Sender Kit – 1/8-27 NPTF – 360-905
Universal 150 PSI VDO pressure sender kit with a standard-ground 1/8-27 NPTF sender and US thread adapters.
SKU VDO-360-905
$88.26
VDOVDO 150 PSI Standard Ground Pressure Sender – 1/8-27 NPTF – 360-004
Analog 150 PSI sender for a matching VDO pressure gauge, with standard ground and a 1/8-27 NPTF thread.
SKU VDO-360-004
$75.21
VDOVDO 1650°F Pyrometer Thermocouple Sender – 1/4-18 NPTF – 323-892
VDO pyrometer thermocouple sender for exhaust-temperature instrumentation up to 1650°F, with a 1/4-18 NPTF thread.
SKU VDO-323-892
$193.21
VDOVDO 2 in Magnetic-Pickup Inductive Sender – 340-020
Two-inch inductive magnetic pickup for compatible inductive and programmable speedometers and tachometers.
SKU VDO-340-020
$99.21
VDOVDO 250°F Dual-Station Floating-Ground Temperature Sender – 1/4-18 NPTF – 325-002
Dual-station floating-ground VDO 250°F/120°C temperature sender with 1/4-18 NPTF thread.
SKU VDO-325-002
$100.60
VDOVDO 250°F Dual-Station Floating-Ground Temperature Sender – 3/8-18 NPTF – 325-007
Dual-station floating-ground VDO 250°F/120°C temperature sender with 3/8-18 NPTF thread.
SKU VDO-325-007
$122.11
