Boat part number 8402852 is a new active trim kit from Mercury Marine, part number 8M0129437 . Commonly used on MasterCraft Boats, part number 509219 , but may be used on other boats.
Active Trim is an integrated GPS, speed-base automatic engine trim system for Mercury Marine. This intuitive, hands-free system continually adjusts engine trim based on changes in boat speed to improve performance, fuel economy, and ease of operation. It responds to boat maneuvers with precision and delivers a better overall driving experience.
This kit includes the following:
- (1) Active Trim Interface | PN:8M0160998
- (1) Auto Trim Outboard Harness | PN:8M2100482
- (1) Bracket Kit | PN:8M0129561
TRIM CONTROL DASH PAD NOT INCLUDED
Manufacturer fits:
- 1-4 Engine Verado 200‑400 HP
- Single & Dual Engine DTS/JPS MerCruiser Sterndrive and using a VesselView 502 or 702 and newer display or using a VesselView Link and Lowrance or Simrad display.
- 1-4 Engine Mercury 175-300 HP V6 (3.4L) & V8 (4.6L) 4 Strokes Serial 2B529482 and Up.
Please check with your local MasterCraft Boat brand dealer for boat / brand / model / year cross-referencing compatibilities.
Specifications:
- Boat Manufacturer: MasterCraft Boats
- Part Number: 509219
- Part Manufacturer: Mercury Marine
- Part Number: 8M0129437
- UPC: 745061014251
- Color: Black / Silver








