278000978 Over Heat Alarm for Sea-Doo GS 720 1997-2001
278000978 Over Heat Alarm for Sea-Doo GS 720 1997-2001
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Over Heat Alarm for Sea-Doo
This over heat alarm is an engine temperature warning sensor for Sea-Doo personal watercraft, referencing OEM part number 278000978, that sounds an alert before overheating causes serious damage.
Overview
This over heat alarm is a direct-fit temperature warning component for Sea-Doo watercraft, referencing OEM 278000978. It alerts the rider when engine temperature climbs past a safe range, protecting the engine during extended runs. It is built for owners of Sea-Doo GS 720 models from 1997 through 2001 who need a replacement warning sensor.
Built For Performance
- References OEM part number 278000978 for cross-fit confirmation
- Audible alert delivers a clear overheat warning before damage occurs
- Corrosion-resistant construction suited to marine engine compartments
- Plug-in style connector for straightforward replacement
- Compact housing fits the factory mounting location
Fits These Machines
- for Sea-Doo GS 720 (1997)
- for Sea-Doo GS 720 (1998)
- for Sea-Doo GS 720 (1999)
- for Sea-Doo GS 720 (2000)
- for Sea-Doo GS 720 (2001)
On-The-Job Use
- Replacing a failed or silent temperature warning sensor
- Restoring overheat protection after an engine rebuild
- Seasonal maintenance on GS 720 watercraft
- Keeping a spare alarm on hand for trailered or stored machines
Specs At A Glance
| Part Number(s) | 278000978 |
| Type | Over heat alarm sensor |
| Compatible Brand | for Sea-Doo |
| Compatible Models | GS 720 |
| Model Years | 1997-2001 |
Good To Know
Q: How do I know if my over heat alarm needs replacing? A: If the alarm never sounds during a known overheat condition, or does not trigger during a self-test at startup, the sensor may have failed. Comparing the part number to OEM 278000978 confirms the correct replacement.
Q: Will this alarm fit other Sea-Doo models? A: This sensor is listed for GS 720 watercraft from 1997 through 2001. Always confirm fitment against your machine's serial number and parts diagram before ordering.
Slight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.
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