Description
593902 Relay Briggs & Stratton OEM Electrical Relay
The Briggs & Stratton 593902 Relay is a genuine OEM replacement electrical relay designed to control high-current circuits within the engine and equipment electrical system. Relays play a critical role in safely switching power to components such as the starter circuit, fuel system, charging accessories, or other electrical loads. This OEM relay helps ensure reliable operation and proper electrical performance on compatible Briggs & Stratton small engines used in riding mowers, garden tractors, and outdoor power equipment.
Product Details
Item Number: 593902
Brand: Briggs & Stratton
Part Type: Relay / Electrical Relay
Design: OEM high-current switching relay for engine equipment circuits
Condition: New Genuine OEM Replacement Part
Voltage System: Designed for 12 V electrical systems
Application: Controls starter, ignition, fuel, or accessory circuits (model-specific)
Typical Dimensions: Varies by relay configuration and mounting style
Function
This relay is engineered to:
Act as an electrical switch to control high-current loads safely
Support reliable starter engagement and engine electrical operation
Reduce strain on ignition switches by routing power through relay contacts
Replace faulty relays causing no-start, intermittent electrical issues, or accessory failure
Provide OEM-correct electrical performance and connector fit
Verify Fitment Before Ordering
Before purchasing, confirm:
Part number 593902 matches your engine or equipment parts diagram
Relay terminal layout and connector style match your original relay
Your equipment uses a 12 V electrical system requiring this relay type
Relays may look similar but vary in amperage rating and terminal configuration always verify correct OEM part number before ordering.
Compatibility
This OEM relay is commonly used on select Briggs & Stratton engines and equipment such as:
Riding lawn mower and garden tractor electrical systems
Engines with electric start and accessory control circuits
Equipment requiring OEM relay-controlled power switching
(Compatibility is representative confirm exact fitment through Briggs & Stratton parts lookup.)
Installation / Usage
Disconnect the battery before servicing electrical components.
Locate the relay in the wiring harness or electrical panel area.
Unplug the old relay carefully from its connector or mounting bracket.
Install the new 593902 relay in the same position.
Reconnect wiring securely and ensure proper terminal seating.
Reconnect battery and test starter/accessory operation.
Verify reliable switching with no intermittent faults.
Maintenance Tips
Inspect relay terminals for corrosion or loose connections.
Keep wiring harness connections clean and dry.
Replace relay if clicking occurs without power delivery or if circuits fail intermittently.
Check battery condition, as weak voltage can mimic relay problems.
Notes / Equivalent Replacements
Genuine Briggs & Stratton OEM relay 593902 ensures correct amperage rating, connector fit, and long-term electrical reliability compared to aftermarket relays that may not meet factory specifications.
