Description
841131 Sensor Banjo Bolt – M12×1.5 – For Rotax Injection Engines
The 841131 Sensor Banjo Bolt is a genuine Rotax component used exclusively on injection engines, including the Rotax 912iS, 915iS, and 916iS. It provides a secure threaded connection between the fuel rail and the fuel pressure sensor, ensuring safe and accurate sensor readings in high-pressure fuel systems.
✅ Key Features
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Injection-Only Application: Designed specifically for use on Rotax iS-series fuel-injected engines
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M12×1.5 Threaded Port: Accepts standard Rotax fuel pressure sensors with a secure, leak-free fit
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OEM Quality: Genuine Rotax part ensures compatibility, durability, and precise fuel system integration
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Requires Sealing Rings: Used with copper sealing rings (e.g. A12×18-CU / part 250646) for proper sealing under pressure
Technical Specifications
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Part Number: 841131
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Thread: M12×1.5 (for sensor port)
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Used On:
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Rotax 912iS
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Rotax 915iS
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Rotax 916iS
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Installation Point: Fuel rail to sensor connection (per Rotax SI-PAC-024)
️ Applications
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Connects the fuel pressure sensor to the fuel rail on iS-series Rotax engines
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Required in configurations that use a banjo fitting with integrated sensor mounting
What’s Included
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1x 841131 Sensor Banjo Bolt (M12×1.5)









