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

Usually ships 3-5 days
Aetna Engineering
Aetna SS-4-40 Speed Sensor
Speed sensor 4" long (use to sense passage ferrous metallic objects or gear teeth).
SKU AET-SS-4-40
$535.00MSRP $625.00
Not currently stocked
VDO
VDO Sender – 362-004B
VDO sender, manufacturer part number 362-004B.
SKU VDO-362-004B
$85.43
Usually ships 3-5 days
Aetna Engineering
Aetna 250-3093 Replacement Magnet
Replacement magnets for 8709 magnetic sensor kit.
SKU AET-250-3093
$14.00MSRP $16.00
Usually ships 3-5 days
Aetna Engineering
Aetna 8104 Tachometer Sender Drive Tip
Drive tip, sender, male 0.104" square x 0.187" round.
SKU AET-8104
$42.00MSRP $50.00
Usually ships 3-5 days
Aetna Engineering
Aetna 8152 Tachometer Sender Drive Tip
Drive tip, sender male 0.152" round x 0.187" round.
SKU AET-8152
$42.00MSRP $50.00
Usually ships 3-5 days
Aetna Engineering
Aetna 8152-F Tachometer Sender Drive Tip
Drive output for 8901 sender, female, 0.152" round.
SKU AET-8152-F
$42.00MSRP $50.00
Usually ships 3-5 days
Aetna Engineering
Aetna 8187 Tachometer Sender Drive Tip
Drive tip replacement for 8901, male 0.187" round x 0.187" round.
SKU AET-8187
$42.00MSRP $50.00
Usually ships 3-5 days
Aetna Engineering
Aetna 8187-D Tachometer Sender Drive Tip
Drive tip for 8901 sender, male 0.187" round x DIN spade.
SKU AET-8187-D
$42.00MSRP $50.00
Usually ships 3-5 days
Aetna Engineering
Aetna 8203 Tachometer Sender Drive Tip
Drive tip, sender, male 0.203" round x 0.187" round.
SKU AET-8203
$42.00MSRP $50.00
Usually ships 3-5 days
Aetna Engineering
Aetna 8619 Tachometer Drive Adapter
Adapter, tachometer drive, Lehman.
SKU AET-8619
$150.00MSRP $175.00
Usually ships 3-5 days
Aetna Engineering
Aetna 8709 Magnetic Sensor Kit
Magnetic sensor kit (for custom application on diesel engine w/ no tach drive).
SKU AET-8709
$115.00MSRP $135.00
Usually ships 3-5 days
Aetna Engineering
Aetna 8875 Tachometer Drive Adapter
Adapter, tachometer drive, Perkins.
SKU AET-8875
$310.00MSRP $360.00
Usually ships 3-5 days
Aetna Engineering
Aetna 8932 Ballast Resistor
32 Volt ballast resistor (drops overall current to 12v dc).
SKU AET-8932
$9.00MSRP $11.00
Usually ships 3-5 days
Aetna Engineering
Aetna 9212 Sender Drive Extension
Drive extension, sender, 1.50" long.
SKU AET-9212
$60.00MSRP $70.00
Usually ships 3-5 days
Aetna Engineering
Aetna 9220 Flexible Drive Pin
Flexible drive pin, 3" long, 0.187" x 0.187".
SKU AET-9220
$75.00MSRP $90.00
Usually ships 3-5 days
Aetna Engineering
Aetna TT-100 Tach Tape
Tach tape, for use with directional sensor SS-3, per foot.
SKU AET-TT-100
$60.00MSRP $70.00