Temperature Sensor for Ski-Doo GTX / MX Z 500 600 800 & Lynx Rave RC / RE 600 800 2003-2010
Temperature Sensor for Ski-Doo GTX / MX Z 500 600 800 & Lynx Rave RC / RE 600 800 2003-2010
SKU:RMS140-108571
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Temperature Sensor
Ski-Doo GTX and MX Z 500, 600, 800 and Lynx Rave RC / RE 600, 800 - 2003 to 2010
This is a brand new aftermarket temperature sensor built as a direct replacement for the original unit fitted to Ski-Doo GTX and MX Z snowmobiles in 500, 600 and 800 sizes, and to the Lynx Rave RC and RE in 600 and 800, from 2003 to 2010. It is a plug-and-play, direct fit part with the same 12 mm thread, the same four-terminal plug and the same 135 mm lead as the original, so it screws into the original boss and connects straight to the loom with no modification.
The temperature sensor is what tells the engine management system how hot the engine is running. Its resistance changes with temperature, and the computer reads that change to control fuelling, to decide when to bring the cooling fan or the warning lamp in, and to protect the engine by pulling power if things get too hot. When the sensor drifts or fails, the machine typically throws a temperature warning light, runs badly because the fuelling map is working from a false reading, or fails to warn the rider at all when the engine really is overheating. Because a bad sensor can either hide a genuine overheat or trigger a limp mode that is not needed, it is worth replacing rather than living with. Every unit is tested before shipment.
Key Features
- Brand new aftermarket temperature sensor, not a used or reconditioned unit
- Direct replacement for the original sensor - plug-and-play, direct fit
- 12 mm diameter thread with 10 mm thread length, as original
- Single plug with four terminals and a 135 mm lead
- 17.8 mm nut for a standard spanner
- Monitors engine temperature and reports it to the vehicle computer
- All units tested before shipment
- Cross references to Ski-Doo and Lynx part numbers including 515176043
Technical Specs
| Specification | Detail |
|---|---|
| Length | 34 mm |
| Width | 17 mm |
| Height | 12 mm and 9.4 mm |
| Thread diameter | 12 mm |
| Thread length | 10 mm |
| Nut diameter | 17.8 mm |
| Number of plugs | 1 |
| Number of terminals | 4 |
| Wire length | 135 mm |
| Part number | RMS140-108571 |
Vehicle Fitment Guide
Years shown are the overall coverage span for this part. Please confirm against the OEM part number on your original unit before ordering.
| Make & Model | Years |
|---|---|
| Ski-Doo GTX 500 | 2003-2010 |
| Ski-Doo GTX 600 | 2003-2010 |
| Ski-Doo GTX 800 | 2003-2010 |
| Ski-Doo MX Z 500 | 2003-2010 |
| Ski-Doo MX Z 600 | 2003-2010 |
| Ski-Doo MX Z 800 | 2003-2010 |
| Lynx Rave RC 600 | 2003-2010 |
| Lynx Rave RC 800 | 2003-2010 |
| Lynx Rave RE 600 | 2003-2010 |
| Lynx Rave RE 800 | 2003-2010 |
OEM Part Number Cross Reference
Aftermarket replacement. OEM part numbers are listed for reference only.
| Part Number | Manufacturer / Brand |
|---|---|
| 515176043 | Ski-Doo / Lynx |
| 515177835 | Ski-Doo / Lynx |
| 515175748 | Ski-Doo / Lynx |
| 420664500 | Ski-Doo / Lynx |
Frequently Asked Questions
Will it fit without modification?
Yes. The 12 mm thread, the 10 mm thread length, the 17.8 mm nut and the four-terminal plug all match the original sensor, so it threads into the original boss and connects straight to the loom. No adapters, cutting or rewiring are needed. Take care not to overtighten it, and let the engine cool fully before removing the old sensor.
What is included?
One brand new temperature sensor with its 135 mm lead and plug. Sealing washers or O-rings are not supplied, so check the condition of the original sealing item and renew it separately if it is hardened or damaged.
How do I know my old temperature sensor has failed?
A failing sensor usually announces itself with a temperature warning light that comes on when the engine is plainly not hot, a gauge reading that sits at one extreme and never moves, poor running or heavy fuelling from cold, or a machine that goes into a reduced power mode for no obvious reason. The opposite case is just as important: a sensor that has gone open circuit can leave you with no warning at all while the engine is genuinely overheating. Corrosion in the plug or a chafed lead can produce the same symptoms and is worth checking before condemning the sensor.
Does this sensor read coolant or oil temperature?
It reads the temperature of the engine at the point where it is fitted, which on these machines is the coolant or oil circuit depending on the model and the location of the sensor boss. Fit the new sensor in exactly the position the old one came out of and it will report the same reading to the vehicle computer.
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