Description
Sierra 18-3714 Mercury MerCruiser Brass Castle Washer is a high-quality marine-grade replacement part designed for Mercury and MerCruiser propeller assemblies. It ensures a secure fit and optimal performance for specific rubber hub propeller systems.
Compatibility
This brass castle washer is engineered to meet or exceed original manufacturer specifications. It is primarily used with older style, non-Flo-Torq II rubber hub propellers:
- Compatible Engines: Mercury / Mariner 135–275 HP (V6, 2-cycle models).
- Compatible Drives: MerCruiser Alpha and Bravo I stern drives (without Flo-Torq II hubs).
- Material: Marine-grade brass for superior corrosion resistance in freshwater and saltwater environments.
- Warranty: Backed by Sierra's limited lifetime warranty.
Interchange & Cross Reference
This part directly replaces several OEM and aftermarket part numbers:
- Mercury / MerCruiser: 12-31211, 12-31211A2, 12-31211A3, 12-31211Q03, 12-835467 1
- Mallory Marine: 9-73902
- GLM: 21360
- EMP: 12-02668
Specifications
- Dimensions:
- 0.65 × 5.00 × 3.95 in
