Description
- Marine-grade serpentine belt for Mercruiser stern drives
- 87.50" length with 13/16" width for proper fit and performance
- Designed to replace multiple Mercruiser part numbers for easy cross-reference
- Built to withstand marine conditions for reliable, long-lasting service
Sierra Mercuiser Serpentine Belt - 18-15121 Item # 1780802
Description
Specifications:
- Length: 87.50"
- Width: 13/16"
Replaces:
- Mercruiser Stern Drive:
- 57-8638765
- 57-865423005
- 57-865615005
- 57-865615Q05