201-6617 Speed Sensor for Caterpillar 3456 3406E 365C C15 C18 PM3456 904-7017
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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.
Speed Sensor for Caterpillar
This 201-6617 Speed Sensor for Caterpillar 3456 3406E 365C C15 C18 PM3456 monitors rotational speed and sends critical data to the engine control unit. It serves as a direct replacement for OEM cross-reference numbers 201-6617 and 904-7017, ensuring reliable performance in demanding environments. This speed sensor for Caterpillar equipment helps maintain accurate engine timing and responsive operation.
Overview
This speed sensor tracks flywheel or crankshaft rotation and communicates that information to the ECM. It is designed for Caterpillar 3456, 3406E, 365C, C15, C18, and PM3456 models, where it plays a key role in engine speed regulation. The sensor is constructed to meet the original factory specifications for these applications.
Built For Performance
- OEM replacement for part numbers 201-6617 and 904-7017
- Robust metal body withstands high vibration environments
- Accurate magnetic sensing element for consistent readings
- Moisture-resistant connector maintains signal integrity
- Compact design fits tight engine compartments
Fits These Machines
- for Caterpillar 3456
- for Caterpillar 3406E
- for Caterpillar 365C
- for Caterpillar C15
- for Caterpillar C18
- for Caterpillar PM3456
On-The-Job Use
- Used in excavators and loaders for precise throttle control
- Supports marine propulsion engines that require stable RPM
- Works in stationary generator sets for reliable power output
Specs At A Glance
| Part Number(s) | 201-6617, 904-7017 |
| Sensor Type | Speed / RPM sensor |
| Compatible Brands | Caterpillar |
Good To Know
Q: Can this sensor be used on a Caterpillar 3406E engine? A: Yes, it is listed for 3406E models, but confirm your engine serial number to ensure proper fitment.
Q: How do I know if this speed sensor is faulty? A: Common signs include rough idling, loss of power, or a check engine light. Replacing with this 201-6617 sensor typically resolves these issues.
Slight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.