The Suzuki part number 13650-52G00 is an Intake Air Temperature (IAT) Sensor (also referred to as an inlet air temp sensor). It monitors the temperature of the air entering the engine and relays this data to the Engine Control Unit (ECU) to maintain the optimal air-fuel ratio.
Technical Specifications
- Sensor Type: Negative Temperature Coefficient (NTC) thermistor. Its resistance drops as the air temperature increases. A functioning sensor typically reads between 2,000 and 3,000 ohms at an ambient temperature of 20°C.
- Connector Type: Direct plug-and-play, 2-pin connector layout.
Vehicle & Equipment Applications
This versatile sensor is utilised across a wide variety of Suzuki divisions, including automotive, marine, and powersports:
- Outboard Marine Motors: Fits multiple 4-stroke models ranging from the DF115 and DF140 up to the DF150–DF300hp series.
Symptoms of a Faulty Sensor
When this sensor begins to fail or sends incorrect out-of-range signals, it will typically trigger a Check Engine Light (often logging OBD-II trouble codes like P0096). Common physical signs include:
- Hard or hesitant cold engine starts
- Rough, uneven, or fluctuating idle
- Noticeable drop in fuel economy (poor MPG)
- Loss of acceleration torque or engine stalling
Cross-References & Equivalent Parts
Replaces OEM 5031392. The 13650-52G00 Sensor (Inlet A) is equivalent to:
- REC13650-52G00 – Recmar Marine
- 5031392 – Evinrude / Johnson / OMC / BRP
Related Parts
- Air Temperature Sensor Grommet: Suzuki 13655-87J01 (recommended to replace when removing or replacing this sensor)
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