Features: 1.Fitment: Fit for Mariner 45 HP engines 1981?1989; Fit for Mariner 50 HP engines 1976?1985; Fit for Mariner 80 HP engines 1978?1979; Fit for Mariner 85 HP engines 1976?1977. 2.OE Number: Replacing manufacturer part numbers for reference are 134?6452, 73372A1, 73410A 1, 76681A1, 77000A2, 96452A1, 96452A4, and 96452A5 3.High Performance: Outboard engine CDI trigger has high sensitivity and stable performance, designed to replace the old or damaged triggers. 4.Durable Material: CDI electronics trigger is made of pure copper coil and wearproof ABS material to ensure long lasting durable. 5.Safe and Dependable: CDI electronics 4 cylinder trigger has been extensively tested, with strong reliability, making sure safety use. Specification: Item Type: CDI Electronics Outboard Trigger_x000D_ Material: Copper + ABS_x000D_ OE: 134-6452, 73372A1, 73410A 1, 76681A1, 77000A2, 96452A1, 96452A4, and 96452A5_x000D_ Fitment:_x000D_ Fit for Mariner 45 HP engines 1981-1989_x000D_ Fit for Mariner 50 HP engines 1976-1985_x000D_ Fit for Mariner 80 HP engines 1978-1979_x000D_ Fit for Mariner 85 HP engines 1976-1977 Note: 1. Please double check the part number of your item, matching information is for reference only._x000D_ 2. If you are unsure of the item, please contact us before buying to avoid unnecessary return, thanks!