Description
SIERRA Trim Motor for Early Volvo Penta SX Drives – 18-6817 is an electric power-trim motor for early-version Volvo Penta SX sterndrives. Sierra identifies this model by its fine-thread hydraulic/mechanical configuration and approximately 2.5-inch bolt-centre spacing, distinguishing it from later SX motor designs.
Match the original Volvo/OMC number and early SX mounting dimensions before installation. This motor cross-references Volvo Penta/OMC 3858071 and Volvo Penta 854525-3.
Key Features
- For early-version Volvo Penta SX sterndrives
- Fine-thread configuration
- Approximately 2.5-inch bolt-centre spacing
- Replaces Volvo/OMC 3858071
- Cross-references Volvo Penta 854525-3
Specifications
- Sierra part number: 18-6817
- Product type: Trim motor
- Application: Volvo Penta SX
- Version: Early
- Thread style: Fine thread
- Bolt centres: Approximately 2.5 in
Interchange
- OMC: 3858071
- Volvo Penta: 3858071, 854525-3

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