Description
SIERRA MerCruiser Serpentine Belt, 87.5 in. x 13/16 in. – 18-15121 is a multi-rib replacement belt for specific MerCruiser inboard and tow-sports engine accessory layouts.
It is commonly associated with 350 MAG MPI MIE and related 5.7L/6.2L configurations. Match the Mercury belt number and engine serial/application before ordering.
Key Features
- 87.5 in. effective belt length
- 13/16 in. belt width
- Multi-rib serpentine profile
- Fits selected MerCruiser 5.7L/6.2L inboard/tow-sports engines
- Cross-references multiple Mercury/MerCruiser service belt numbers
Specifications
- Manufacturer Part Number: 18-15121
- Belt Type: Serpentine
- Effective Length: 87.5 in. / 222.3 cm
- Width: 13/16 in. / 20.6 mm
- Application: Selected MerCruiser 5.7L / 6.2L MIE and tow-sports engines
Interchange / Cross Reference
- MerCruiser 57-8638765
- MerCruiser 57-865423005
- MerCruiser 57-865615005
- MerCruiser 57-865615Q05
Verify engine serial number, accessory configuration and OE belt number before ordering.
Reviews
There are no reviews yet.