Description
SIERRA Top-Mount Oildyne Trim Pump Reservoir for MerCruiser – 18-6778 is a replacement hydraulic-fluid reservoir for compatible Oildyne power trim/tilt pump assemblies. It is specifically identified for top-mount reservoir configurations with four-screw attachment to the trim motor/pump assembly.
Match the reservoir mounting pattern and original MerCruiser number before ordering. This part is intended for the Oildyne-style pump family and cross-references MerCruiser 883166A1 and 883166A2.
Key Features
- Top-mount trim-pump reservoir
- For Oildyne power trim/tilt pump assemblies
- Four-screw reservoir attachment pattern
- Plastic replacement reservoir
- Replaces MerCruiser 883166A1 and 883166A2
Specifications
- Sierra part number: 18-6778
- Product type: Trim pump reservoir
- Application: MerCruiser Oildyne trim pumps
- Mounting: Top mount
- Attachment: 4-screw
- OEM references: 883166A1; 883166A2
Interchange
- ARCO: M532
- Mallory: 9-18612
- MerCruiser: 883166A1, 883166A2
- MES: RSV01
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