Nautic Laugic Call 360 901-4030 Nauticlaugic@gmail.com GPS upgrades the OEM PaddleWheel sensor. Airguide™ GPS Retrofit GPS for Medallion™ MDC/MMDC/Speedometers PerfectPass™ Accessories Approx Years: 2002 to present Approx Years: 1998 to 2008 Approx Years: 1975 to 2000 NL4 PerfectPass (tm) NL2 Airglide
Make/Year