54420037 – Wright Mini Fuse Relay 20A (OEM-Spec)
The Wright 54420037 Mini Fuse Relay 20A is a genuine OEM-spec electrical protection and switching component designed to provide reliable circuit control and overload protection in Wright commercial mowing equipment. Engineered to Wright Manufacturing’s exact specifications, this compact relay incorporates a 20-amp fused design to help safeguard critical electrical systems such as starter circuits, PTO/blade engagement, safety interlocks, and accessory power functions. Built for durability in demanding commercial turf environments, the 54420037 mini fuse relay ensures consistent electrical performance and long-term system reliability.
Product Details
Manufacturer Part Number: 54420037
Brand: Wright (OEM-Spec)
Part Type: Mini Fuse Relay
Amperage Rating: 20 Amp
Voltage Rating: 12VDC (equipment-specific)
Function: Electrical circuit switching with integrated fuse protection
Application: Wright commercial mower electrical harness and relay systems
Relay Style: Compact mini relay with fused circuit design
Mounting Style: Plug-in relay socket or relay block mount
Construction: Heavy-duty relay housing for outdoor equipment use
OEM Status: Genuine Wright replacement part
Function
Provides reliable switching of mower electrical circuits
Includes 20A fuse protection to prevent overload and short-circuit damage
Supports proper operation of starter, PTO, safety, and accessory systems
Helps protect wiring harnesses and control switches from excessive current
Ensures dependable electrical performance under vibration and outdoor conditions
Compatible With
The Wright 54420037 Mini Fuse Relay 20A is used on select Wright commercial turf equipment, including:
Wright stand-on and zero-turn mowers utilizing fused relay control circuits
Models requiring OEM mini fuse relay part number 54420037
Equipment specified in Wright parts diagrams for 20A fused relay components
Because relay configurations vary by mower model and serial range, always verify compatibility using your mower’s model and serial number before ordering.
How It’s Used
This mini fuse relay installs into the mower’s relay block or harness socket:
Turn off the mower and disconnect the battery before servicing.
Locate the relay/fuse block within the electrical compartment.
Remove the old relay by pulling it straight out of the socket.
Inspect terminals and fuse seating for corrosion or damage.
Install the Wright 54420037 relay firmly into position.
Reconnect the battery and test the circuit function controlled by the relay.
Proper installation ensures safe switching and fused circuit protection.
Suggested Maintenance
Inspect relay and fuse connections periodically for corrosion or looseness
Replace relay if intermittent electrical operation or circuit failure occurs
Check fuse integrity if electrical systems lose power unexpectedly
Keep electrical compartments clean and protected from moisture intrusion
Use only OEM-spec Wright fuse relays to ensure correct amperage and fit
The Wright 54420037 Mini Fuse Relay 20A is a dependable OEM-spec replacement designed to restore proper electrical switching, provide essential overload protection, and maintain long-lasting performance on compatible Wright commercial mowing equipment.