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SKU:
ZZ3F00074
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491657S Oil Pressure Switch Sensor Fit for Craftsman Zero Turn Lawn Mower
$27.59
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$27.59
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$27.59
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Compatible Models
We do our best to list all compatible models. Although this may be the part you need, your exact model may not appear below.
Compatible equipment / model
Oil Pressure Switch Sensor for Craftsman
The 491657S Oil Pressure Switch Sensor is a direct replacement component that monitors engine oil pressure and alerts the operator if pressure drops to unsafe levels in Craftsman zero turn lawn mowers. This switch helps protect the engine from damage caused by low oil pressure, ensuring reliable operation during mowing sessions.
Overview
This 491657S Oil Pressure Switch Sensor is a critical safety component for Craftsman zero turn lawn mowers, designed to detect low oil pressure and shut off the engine to prevent catastrophic failure. It replaces the original sensor and restores proper oil pressure monitoring functionality. The sensor is built to meet OEM specifications for precise fit and dependable performance in residential and commercial mowing conditions.
Built For Performance
- Direct replacement for OEM part number 491657S
- Precision-threaded fitting for secure installation
- Sealed electrical connection to resist moisture and debris
- Rugged construction to withstand engine vibration and heat
- Compatible with standard wiring harness connectors
- Rapid response time to trigger engine shutdown when pressure drops
Fits These Machines
- for Craftsman Zero Turn Lawn Mowers
- for Craftsman models utilizing the 491657S sensor
On-The-Job Use
- Replaces worn or failed oil pressure switches during routine maintenance
- Installs in engines that intermittently cut out due to faulty sensor readings
- Used when troubleshooting no-start or stalling issues linked to low oil pressure
- Mounted directly into the engine block oil gallery for accurate pressure sensing
Specs At A Glance
| Part Number(s) | 491657S |
| Type | Oil Pressure Switch Sensor |
| Compatible Brand | Craftsman |
| Function | Monitors oil pressure and shuts down engine on low pressure |
Good To Know
Q: How do I know if my oil pressure switch is faulty? A: Common signs include the engine stalling, failing to start, or the oil pressure warning light staying on despite normal oil levels. Testing with a multimeter can confirm if the switch is opening or closing correctly.
Q: Can this sensor be installed without special tools? A: Yes, a standard socket or wrench is typically sufficient, but make sure the engine is cool and the oil has been drained to avoid spills. Tighten to the torque specified in your mower's service manual.
Slight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.