Starter Relay Solenoid for Honda Sportrax 300 400 TRX300EX TRX400EX 1999-2003

Product Overview

This aftermarket replacement starter relay solenoid is intended for the 1999 through 2003 Honda Sportrax 300 and 400, TRX300EX, and TRX400EX ATV applications shown in the title. A starter relay solenoid is an electrical component that directs battery current to the starter motor when the starting circuit is activated so the engine can crank. It is supplied for comparison with the part numbers or reference numbers listed in the title.

Key Features & Performance

• Functions as the relay that switches current from the battery to the starter motor during engine cranking
• Fills the relay position in the ATV starting circuit, allowing the starter to receive current needed to turn the engine
• Supplied for the Honda Sportrax 300 and 400, TRX300EX, and TRX400EX applications listed in the title
• Commonly replaced when the original relay no longer engages or no longer passes current to the starter
• Used when servicing or restoring operation of the ATV starting system

Fitment & Compatibility

• for Honda Sportrax 300 applications
• for Honda Sportrax 400 applications
• for Honda TRX300EX applications
• for Honda TRX400EX applications
• for 1999 to 2003 model year applications listed in the title

Common Uses

• Replacing a relay that no longer engages or no longer supplies current to the starter
• Servicing the starting circuit during routine ATV maintenance
• Restoring normal starting function after the original relay has failed

Technical Specifications

• Product Type: Starter relay solenoid
• Model Application(s): Honda Sportrax 300, Sportrax 400, TRX300EX, TRX400EX
• General Application: 1999 to 2003 ATV starting circuit

Frequently Asked Questions

Q: What does a starter relay solenoid do? A: It acts as the electrical switch that closes the high-current circuit between the battery and the starter motor when the start button or switch is pressed, allowing the starter to crank the engine.

Q: How should fitment be verified? A: Confirm that the part number on the existing relay matches the number supplied with this listing, and verify that the machine model, including the full designation such as TRX300EX or TRX400EX, and the model year fall within the applications shown.

This is an aftermarket replacement part and is not represented as genuine or original equipment. Product appearance and specifications may vary slightly by batch. Compatibility may vary by serial number, model year, or existing part number. Verify fitment before purchase.