
AutoMeter · New
Autometer Marine Silver 3-3/8in. 140MPH GPS Speedometer Gauge
MPN 200638-33 · Store SKU atm200638-33
Supplier stock checked 11/7/2026, 10:56:24 AM UTC. Adding a part does not reserve it.
Request a return within 30 calendar days after delivery. New parts must be unopened and unused.
Shipping & returns ↗This policy does not limit rights required by law.Free standard shipping on eligible parts orders of $100 or more. Oversized and freight items excluded. Fitment, taxes, availability and final totals are confirmed before payment.
Product details
The latest in technology and the easiest possible way to add a highly accurate speedometer to your boat! AutoMeter GPS speedometers are capable of working with most aftermarket GPS antenna/receivers or with AutoMeter's 5283 GPS antenna. AutoMeter's ultra fast, omnidirectional micro antenna is available separately for true plug and play functionality and never requires calibration. Configurable Rally Nav display shows odometer, trip odometer, time/date, GPS coordinates, heading info, compass, and peak speed recall. Quite simply, the easiest, most accurate speedometer available. GAUGE, SPEEDOMETER, 3 3/8", 140MPH, GPS, MARINE SILVER
Manufacturer fitment & guides
Check 200638-33 against the manufacturer’s application information below.
Part-specific notes
- California Proposition 65: Y