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.
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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.
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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.
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123-805224A1 MOTOR KIT-IAC Mercruiser 805224A1
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123-854445 SENSOR (MAP) Mercruiser 854445
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123-805223T SENSOR ASSY (IAT) Mercruiser 805223T
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123-805226A1 SENSOR KIT-TPS Mercruiser 805226A1
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123-861425 SENSOR-MAP Mercruiser 861425
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123-864856A1 SENSOR-MAP Mercruiser 864856A1
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123-805218T Mercruiser Temperature Sensor Assembly 805218T
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123-853678T Throttle Position Sensor - 853678T
This is an aftermarket part, not OEM
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123-803148 Mercruiser Throttle Position Sensor 803148
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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.
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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.
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221-1090 The Marine Design Corporation IAC Survival Kit is designed specifically for Mercury Racing 600SCi, 662SCi and 700SCi engines but will work with many other applications. See the full list of compatible engines in the additional info section. Our kit eliminates costly PCM damage that can occur when an IAC fails, which can be a common occurrence. The kit was developed for twin engine applications and includes two plug-and-play IAC harnesses that are fused to prevent a direct short to the PCM. Also included are two USA made IAC units with gaskets, hardware, (just in case you drop one in the bilge) spare fuses and a canvas storage pouch. Replacement IACs and fuses are also available.
The advantage of the harness is to prevent a failed IAC from damaging the PCM, which is $2,000+ to replace. The harness contains a replaceable fuse that will blow and prevent the shorted IAC from damaging the PCM (ECU-Computer). This is a common failure point blamed on the IAC but the root problem isn't the IACs, it's the fact that Mercury is exceeding the duty cycle on many of the engines that causes them to overheat and short out.
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221-1091 Replacement pair of harnesses to use with 221-1090.
The advantage of the harness is to prevent a failed IAC from damaging the PCM, which is $2,000+ to replace. The harness contains a replaceable fuse that will blow and prevent the shorted IAC from damaging the PCM (ECU-Computer). This is a common failure point blamed on the IAC but the root problem isn't the IACs, it's the fact that Mercury is exceeding the duty cycle on many of the engines that causes them to overheat and short out. Used on 496MAG, 496MAG HO, 525EFI, 600SCi, 662SCi, 700SCi, 850SCi, 1075/1200SCi and other applications.
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221-1091-1 Single Replacement harness to use with 221-1090.
The advantage of the harness is to prevent a failed IAC from damaging the PCM, which is $2,000+ to replace. The harness contains a replaceable fuse that will blow and prevent the shorted IAC from damaging the PCM (ECU-Computer). This is a common failure point blamed on the IAC but the root problem isn't the IACs, it's the fact that Mercury is exceeding the duty cycle on many of the engines that causes them to overheat and short out. Used on 496MAG, 496MAG HO, 525EFI, 600SCi, 662SCi, 700SCi, 850SCi, 1075/1200SCi, and other applications.
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221-1092 This Marine Design Corporation Replacement IAC is designed specifically for for 850SCi, 1075SCi or 1200SCi engines. Made in the USA. Direct replacement for Mercury Racing #8M0050118.
NOTE: SOLD EACH. Two are required per engine. Image Shows top and bottom view.
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