Starter Relay Solenoid for Suzuki Boulevard M109R, LTA 400 KingQuad & GSX-S 1000 2006-2024
Starter Relay Solenoid for Suzuki Boulevard M109R, LTA 400 KingQuad & GSX-S 1000 2006-2024
SKU:RMS090-104975
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Starter Relay Solenoid - RMS090-104975
Suzuki Boulevard M109R / VZR1800, LTA 400 KingQuad and GSX-S 1000 - 2006-2024
This is a brand new starter relay solenoid switch for the Suzuki Boulevard M109R / VZR1800, the LTA 400 KingQuad and the GSX-S 1000, supplied as a direct replacement to your original unit. The relay is the heavy-duty switch that sits between the battery and the starter motor. Pressing the start button sends a small current to the relay coil, which pulls a pair of large internal contacts together and lets the full starting current flow to the starter. Those contacts carry hundreds of amps on every start, so they slowly arc, pit and corrode until they can no longer pass current cleanly.
The quality of this unit exceeds the OEM equipment it replaces, and all products shipped are tested before dispatch. It reproduces the original 60 mm by 60 mm by 40 mm body and carries four terminals and a single plug, matching the factory layout, so it drops into the standard mounting position and reconnects to the existing loom and battery cables with no cutting, splicing or adapters. On these Suzuki models the relay also houses the main fuse, so a failed unit can take the whole electrical system down with it rather than just the starting circuit.
Key Features
- Brand new aftermarket starter relay solenoid switch
- Quality exceeds the OEM equipment it replaces
- All products shipped are tested before dispatch
- Direct replacement to your original unit
- Four terminals and a single plug - factory connections
- Compact 60 mm high, 60 mm long, 40 mm wide body
- Cross references Suzuki 31800-38G10 and 31800-38G00
- No cutting, splicing or adapters needed
Technical Specs
| Specification | Detail |
|---|---|
| Part code | RMS090-104975 |
| Component type | Starter relay solenoid switch |
| Height | 60 mm |
| Length | 60 mm |
| Width | 40 mm |
| Number of terminals | 4 |
| Number of plugs | 1 |
Vehicle Fitment Guide
Years shown are the overall coverage span for this part. Please confirm against the OEM part number on your original unit before ordering.
| Make & Model | Years |
|---|---|
| Suzuki Boulevard M109R / VZR1800 | 2006-2024 |
| Suzuki LTA 400 KingQuad | 2006-2024 |
| Suzuki GSX-S 1000 | 2006-2024 |
OEM Part Number Cross Reference
Aftermarket replacement. OEM part numbers are listed for reference only.
| Part Number | Manufacturer / Brand |
|---|---|
| 31800-38G10 | Suzuki |
| 31800-38G00 | Suzuki |
Frequently Asked Questions
Does it need any modification to fit?
No. It is a direct replacement to your original unit. The body matches the original at 60 mm high, 60 mm long and 40 mm wide, and the four terminals and single plug match the factory connections, so no cutting, splicing or adapters are required.
What is supplied?
One brand new starter relay solenoid switch, tested before dispatch. Reuse the battery cable, starter cable, terminal nuts, main fuse and mounting rubber from your old relay.
How do I know the old relay has failed?
A single loud click with no crank, rapid repeated clicking, or a starter that turns over slowly on a known-good battery are the usual symptoms. Worn contacts drop voltage before it reaches the starter, so the relay body often warms noticeably after a few attempts. Starting that works cold and fails once the engine is hot points the same way.
Why does it have four terminals rather than two?
This unit uses four terminals and one plug, matching the original Suzuki layout. Two carry the heavy battery and starter cables, and the remaining connections serve the machine's main fuse and supply circuit, which is why a failed relay of this type can cause a complete no-power fault as well as a no-crank fault.
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