Description
The Sierra Marine 18-15121 Serpentine Belt is an OE-style replacement belt designed for compatible MerCruiser sterndrive systems. Measuring 87-1/2 inches in outside length and 13/16 inch in top width, it is designed to match the specified original equipment dimensions for a direct-fit replacement without modification.
Built for demanding marine environments, this marine-grade serpentine belt is designed to provide reliable accessory drive performance under regular marine operating conditions.
Features
- OE-style replacement serpentine belt
- Designed for compatible MerCruiser sterndrive systems
- 87-1/2-inch outside length
- 13/16-inch top width
- Direct-fit design intended for installation without modification
- Dimensions designed to match original equipment specifications
- Marine-grade construction
- Designed for demanding marine environments and heavy use
Specifications
- Brand: Sierra Marine
- Manufacturer Part Number: 18-15121
- Product Type: Serpentine Belt
- Type: OE Replacement
- Application: MerCruiser Sterndrive
- Outside Length: 87-1/2"
- Top Width: 13/16"
- Condition: Brand New
- Product: Genuine Sierra Marine Product
Compatibility
Designed for compatible MerCruiser sterndrive systems requiring an 87-1/2-inch long by 13/16-inch wide serpentine belt and Sierra Marine part number 18-15121.
Important Fitment Information
MerCruiser sterndrive engines can use different serpentine belts depending on the engine, accessory configuration and model year. Belt dimensions alone should not be used to confirm compatibility.
Verify the existing belt specifications and confirm Sierra Marine manufacturer part number 18-15121 is correct for the specific MerCruiser application before ordering.
Important
- 87-1/2" outside length
- 13/16" top width
- Intended as a direct-fit replacement for compatible applications.
- Verify the engine and accessory-drive configuration before installation.
Warranty
Backed by a limited lifetime manufacturer warranty.
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