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The Mastervolt 48420241 isolating kit is specifically designed for Alpha Compact 14/120 and 14/200 alternators used in Mercedes-Benz engine installations. It enables galvanic isolation of the alternator’s negative pole from the housing, a necessary upgrade in systems requiring isolated ground operation. The kit includes two M8 and four M10 isolating bushings and is not compatible with the N62 engine model.
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Mastervolt 48420241 - Alpha Compact Merc Benz 14/120 & 14/200 Isolating Kit (Does not fit N62)
The Mastervolt Alpha Compact isolating kit (48420241) is a specialized accessory for Alpha Compact 14/120 and 14/200 alternators installed on Mercedes-Benz engines. In standard configuration, these alternators have their negative pole internally connected to the housing. To achieve a fully isolated operation – necessary in certain marine, automotive, and off-grid power systems – this kit provides the required isolating components.
Note: This kit is not compatible with the N62 engine type.
Kit Contents:
- 2 × M8 isolating bushings
- 4 × M10 isolating bushings
Key Features:
- Enables galvanic isolation of the alternator’s negative pole
- Designed for Alpha Compact 14/120 & 14/200 models
- Compatible with most Mercedes-Benz engines (except N62)
- Essential for systems requiring isolated ground configurations
- High-quality bushings for reliable, long-term performance
Technical Specifications:
Part Number 48420241 Compatible Alternator Models Alpha Compact 14/120, Alpha Compact 14/200 Engine Compatibility Mercedes-Benz (not compatible with N62) Isolating Bushings 2 × M8, 4 × M10 Isolation Type Negative pole isolation from housing Installation User-installed; alternator disassembly required -
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