Application: For Garmin echo: 100, 101, 150, 151, 151dv, 200, 201, 201dv, 300c, 301c, 301dv, 500c, 501c, 550c, 551c, 551dv ; echoMAP: 43dv, 44dv, 53cv, 53dv, 54dv, 74dv;echoMAP CHIRP: 42cv, 42dv, 43cv, 43dv, 44cv, 44dv, 45cv, 45dv, 52cv, 52dv, 53cv, 53dv, 54cv, 54dv, 55cv, 55dv. | Application: also for Garmin echoMAP Plus: 42cv, 43cv, 44cv, 45cv, 62cv, 63cv, 63cv Ice Fishing Bundle, 64cv, 65cv; echoMAP UHD: 62cv, 63cv, 64cv, 65cv; STRIKER: 4, 4 Portable Bundle, 4cv, 4dv, 5cv, 5dv, 7cv, 7dv;STRIKER Plus: 4, 4cv, 5 Ice Fishing Bundle, 5cv, 7cv, 7sv;GT20-TM, GT8HW-IF, GT8HW-IH. | Function: This 4-pin Transducer Extension Cable is a 10 ft (3 m) extension cable to connect your 4-pin transducer to your sonar unit.Replaces part numbers: 010-11617-10. | High quality: Marine grade cable; The transducer extension cable connects your fish finder to the transducer, extending its range underwater. High quality material for durability in marine environments. | Satisfaction service: If you are not satisfied with our products.You can request a full refund within 30 days to support a 12 month warranty.