Multiquip 1J42360230 Start Relay

The Multiquip 1J42360230 Start Relay is a genuine OEM component designed for the DAW500SA4 diesel arc welder. As a factory-sourced part, it meets the original engineering specifications for this machine, ensuring correct electrical switching behavior during engine startup. This relay is a direct replacement for the original unit and is confirmed to fit the DAW500SA4 welder/generator series.

Key Features

• Genuine OEM Electrical Spec — Sourced directly from Multiquip, this relay carries the correct switching capacity and coil resistance rating required for the DAW500SA4 starting circuit.
• Drop-In Replacement — Engineered to match the original mounting configuration and terminal layout, allowing straightforward installation without modification.
• Confirmed Fitment — Verified for use on the DAW500SA4 diesel arc welder; part number 1J42360230 cross-references directly to this machine.
• Protects Starting System Integrity — A properly functioning start relay delivers a clean, controlled signal to the starter motor. A faulty relay can cause hard starts, failure to crank, or starter motor damage over time.
• Electrical Safety Compliance — Using the correct OEM relay ensures the starting circuit operates within its designed current and voltage parameters, reducing the risk of electrical faults in the welder's ignition system.

The start relay acts as an electrically controlled switch in the engine's ignition circuit. When the operator engages the start key or switch, the relay receives a low-current signal and uses it to close a higher-current circuit that powers the starter motor. This protects the ignition switch from carrying the full starter load. When a start relay fails, the engine may not crank at all, crank intermittently, or remain engaged after the key is released — all signs that the relay needs to be replaced promptly to avoid further damage to the starting system.

Part Details

Compatibility & Fitment

Verify Before You Order

Fitment is machine-number and revision-specific; always confirm your model and serial number against the fitment list.

Why Buy From DHS Equipment

Every part is verified against the manufacturer's part number before it ships, so what you order is what arrives. We carry parts from leading OEM brands and our own DHS Quality Parts line of professional aftermarket components. Need help finding the right part? Our team is available to confirm compatibility whenever you need it. Orders are processed fast to keep your jobs on track. We don't just sell parts. We keep you jobsite ready.

Questions? Contact our team at [email protected] or 866-611-9369 — DHS Equipment is here to help you maintain peak performance.