Parts Catalog
Mercury
BRP
Yamaha
Honda
Polaris
Volvo Penta
Replacements
Home
/
Mercury
/
Mercury Marine [Updated: Apr. 10, 2026]
/
Trolling Motor
/
MotorGuide Digital Steering Series
/
[9B189787 & Up] - Cat.# 90-891887
[9B189787 & Up] - Cat.# 90-891887
📄
16 Bow (Black) (MST91642A)
schematic
📄
20.5 Bow (Black) (MST9205BF)
schematic
📄
21 Bow - Gator (Black) (MST921BF)
schematic
📄
23.5 Bow (Black) (MST9235BF)
schematic
📄
24 Big Water - Gator (Black) (MST924BF) (MST924BFW)
schematic
📄
Complete Trolling Motor (Model DS109FB) (36 Volt)
schematic
📄
Complete Trolling Motor (Model DS54FB) (12 Volt)
schematic
📄
Complete Trolling Motor (Model DS82FB) (24 Volt)
schematic
📄
Electrical Connectors And Terminals
schematic
📄
Foot Pedal Assembly (M0099101)
schematic
📄
Gator 360 Flex II Mount (Black) (8M4000308)
schematic
📄
Gator 360 Flex II Mount (Black) (DESIGN II) (8M4501607)
schematic
📄
Gator 360 Flex Mount (Black) (MST9360FW)
schematic
📄
Lower Unit Assembly (109# - Variable) (MXC397022)
schematic
📄
Lower Unit Assembly (109# - Variable) (MXC397052)
schematic
📄
Lower Unit Assembly (54# - Variable) (MCC397022)
schematic
📄
Lower Unit Assembly (82# - Variable) (MTC397022)
schematic
📄
Lower Unit Assembly (82# - Variable) (MTC397052)
schematic
📄
Repair Kit - Lower Unit Assembly (MXC6021)
schematic
📄
Service Support Material
schematic
📄
Tool List (Special)
schematic
📄
Wire Diagram (Model DS109FB) (36 Volt)
schematic
📄
Wire Diagram (Model DS54FB) (12 Volt)
schematic
📄
Wire Diagram (Model DS82FB) (24 Volt)
schematic