Sensors - Mercury

Air Charge Temp Sensor Mercruiser 805223T
Your Price:
$28.99

Air Charge Temp Sensor Mercruiser 805223T

123-9-42406

AIR Charge Temp Sensor
Replaces: Mercruiser 805223T, Volvo 3854527
Fits: Mercruiser / Volvo 4.3L, 5.0L

The Air Charge Temperature Sensor (ACTS) a thermistor sensor that inputs the temperature of the incoming air stream in the air filter or intake manifold to the computer. It can be located in the intake manifold (EFI systems) or the air cleaner.


Coolant Temp Sensor Mercruiser 805218T
Your Price:
$19.99

Coolant Temp Sensor Mercruiser 805218T

123-9-42402

Coolant Temp Sensor
Replaces: Mercruiser 805218T / Volvo 3850397
Fits: Used with Temp Gauge MCM/MIE EFI Models
  
The coolant temperature sensor is used to measure the temperature of the engine coolant of an internal combustion engine. The readings from this sensor are then fed back to the Engine control unit (ECU). This data from the sensor is then used to adjust the fuel injection and ignition timing.


Knock Sensor Mercruiser 805544T
Your Price:
$39.99

Knock Sensor Mercruiser 805544T

123-9-33500

Knock Sensor
Replaces: Mercruiser 805544T / Volvo 3854512
Fits: MCM/MIE GM V8 454, 502, 540, 572

These Mallory Marine ignition knock sensors maximize your engine's performance--regardless of fuel quality! The knock sensors hear various knock frequencies under many operating conditions to detect shifts and provide an accurate signal to your engine control module. The sensors meet or exceed OE requirements and reduce potential damage to your internal engine components


Knock Sensor Mercruiser 806612T
Your Price:
$74.99

Normally Ships in 7-10 Days. Rush proccessing is available on Mallory items: See here.

Knock Sensor Mercruiser 806612T

676-9-33503

Knock Sensor
Replaces: Mercruiser 806612T / Volvo 3850357
Fits: MCM/MIE 305,350,377

These Mallory Marine ignition knock sensors maximize your engine's performance--regardless of fuel quality! The knock sensors hear various knock frequencies under many operating conditions to detect shifts and provide an accurate signal to your engine control module. The sensors meet or exceed OE requirements and reduce potential damage to your internal engine components


Knock Sensor OMC 3854905
Your Price:
$137.99

Normally Ships in 7-10 Days. Rush proccessing is available on Mallory items: See here.

Knock Sensor OMC 3854905

676-9-33504

Knock Sensor
Replaces: Volvo / OMC 3854905
Fits: Volvo / OMC 4.3L, 5.7L

These Mallory Marine ignition knock sensors maximize your engine's performance--regardless of fuel quality! The knock sensors hear various knock frequencies under many operating conditions to detect shifts and provide an accurate signal to your engine control module. The sensors meet or exceed OE requirements and reduce potential damage to your internal engine components


MAP Sensor Mercruiser 854445
Your Price:
$56.99

MAP Sensor Mercruiser 854445

123-9-33603

MAP Sensor
Replaces: Mercruiser 854445
Fits: MCM 525 EFI

Malfunctioning MAP sensors can often cause problems, such as an intermittent check engine light, hesitation when accelerating, elevated emissions, and even poor engine performance. So, if yours is in need of replacement, do it with Mallory Marine MAP sensors. These MAP sensors provide precise measurements of manifold absolute pressure. They are designed to perform in harsh environments, such as extreme temperatures, vibration, thermal and mechanical shock, and chemical contamination. Safeguard your engine with these quality MAP sensor components.


MAP Sensor Mercruiser 864856A1
Your Price:
$89.99

MAP Sensor Mercruiser 864856A1

123-9-33601

MAP Sensor
Replaces: Mercruiser 864856A1 / Volvo 3850396
Fits: MCM/MIE GM V6 & 350,377,454,502 EFI

Malfunctioning MAP sensors can often cause problems, such as an intermittent check engine light, hesitation when accelerating, elevated emissions, and even poor engine performance. So, if yours is in need of replacement, do it with Mallory Marine MAP sensors. These MAP sensors provide precise measurements of manifold absolute pressure. They are designed to perform in harsh environments, such as extreme temperatures, vibration, thermal and mechanical shock, and chemical contamination. Safeguard your engine with these quality MAP sensor components.


MAP Sensor Mercruiser 881731
Your Price:
$56.99

MAP Sensor Mercruiser 881731

123-9-33604

MAP Sensor
Replaces: Mercruiser 881731
Fits: MCM 496 Mag & 8.1L

Malfunctioning MAP sensors can often cause problems, such as an intermittent check engine light, hesitation when accelerating, elevated emissions, and even poor engine performance. So, if yours is in need of replacement, do it with Mallory Marine MAP sensors. These MAP sensors provide precise measurements of manifold absolute pressure. They are designed to perform in harsh environments, such as extreme temperatures, vibration, thermal and mechanical shock, and chemical contamination. Safeguard your engine with these quality MAP sensor components.


Power Trim Relay Solenoid
Your Price:
$16.99

Mercruiser Power Trim Relay Solenoid

137-8081

  • Main terminals run perpendicular to mounting bracket
  • Replaces Mercruiser OEM # 89-96158T
  • Includes a cap for main terminals
  • Length is 2-1/2", Width is 2-1/4" and Height is 2-3/8"
  • 12v Relay Solenoid, Isolated base
  • Includes nuts for terminals
  • Does not include mounting hardware

TAKE NOTE of which way the main terminals face on the Trim Relay Solenoid you are replacing. This model goes perpendicular of the mounting holes, the 137-8249 goes parallel.

Power Trim Relay Solenoid
Your Price:
$29.99

Power Trim 12v Relay Solenoid

137-8249

  • Main terminals run parallel to mounting bracket
  • Designed for Mayfair Hydraulics or Performance Hydraulics Trim Tabs
  • Length is 3", Width is 2" and Height is 2-5/8"
  • 12V Relay Solenoid
  • Includes nuts and washers for terminals
  • Does not include mounting hardware

TAKE NOTE of which way the main terminals face on the Trim Relay Solenoid you are replacing. This model goes parallel with the mounting holes, the 137-8081 goes perpendicular.


Throttle Position Sensor Mercruiser 803148
Your Price:
$64.99

Throttle Position Sensor Mercruiser 803148

123-9-33700

Throttle Position Sensor
Replaces: Mercruiser 803148 / Volvo 3855296
Fits: MCM / MIE 350 Mag, Blk Scorpion Ski (0L005900 & up)

A throttle position sensor (TPS) is a sensor used to monitor the position of the throttle in an internal combustion engine. The sensor is usually located on the butterfly spindle so that it can directly monitor the position of the throttle.


Throttle Position Sensor Mercruiser 805226A1
Your Price:
$54.99

Throttle Position Sensor Mercruiser 805226A1

123-9-33701

Throttle Position Sensor
Replaces: Mercruiser 805226A1 / Volvo 3855184
Fits: MCM / MIE V6 & 305, 350, 454, 502 EFI

A throttle position sensor (TPS) is a sensor used to monitor the position of the throttle in an internal combustion engine. The sensor is usually located on the butterfly spindle so that it can directly monitor the position of the throttle.