MerCruiser 35602 34220 Alpha One 120hp 2.5L Harmonic Balancer Pulley Hub Intake Manifolds For the most part it

For the most part it seems these parts were used from 1976-1982 on 470 models that used a 3" Heat exchanger ****(not the larger 4" model)****

Item Details & Compatibility Removed from a 1963 Mercury Outboard 50hp 500E 4cyl (Serial Number: 1553XX8 - I can't read some of the numbers)

They didn't stamp part numbers on these

please send me your model and serial number to ensure that you are ordering the proper part for your outboard

Also take note of the fittings

MerCruiser 35602 34220 Alpha One 120hp 2.5L Harmonic Balancer Pulley Hub Intake Manifolds For the most part itItem Details Removed from a 1984 MerCruiser 2. 5L. Used from 1982 1989 on MerCruiser 2. 5L 120hp 4cyl power plants Only 3. 0L 140hp Models used an actual Harmonic Balancer, so this is not compatible with those models. Pulley Reads 3793716BW Includes the screws to mount the pulley to the hub Purchase with confidence!