Product Overview
The VI5825500300 Engine Relay is a standard automotive-style relay mounted in your excavator’s engine bay or main relay box. It acts as a heavy-duty remote-controlled switch, using a low-current signal from the machine’s controller or a switch to safely turn on or off a high-current electrical circuit. Common applications on the 4LE2 engine include controlling the glow plug timer circuit or the fuel cut-off solenoid. Our replacement relay is an exact match for the original, featuring the same pin configuration, coil voltage (typically 24V), current rating, and mounting footprint. This ensures a perfect, plug-and-play installation to restore circuit integrity.
Key Features & Benefits
-
Direct Plug-and-Play OEM Replacement: An exact fit for part number VI5825500300, guaranteeing perfect compatibility with the relay socket and electrical system of your Kobelco SK75-8 with a 4LE2 engine.
-
Solves Intermittent Electrical Faults: Relays are a common failure point. Replacing a worn-out relay can instantly fix problems like failure to start (no glow plugs), engine not shutting off (fuel solenoid stuck on), or other erratic electrical behavior.
-
Ensures Reliable Circuit Control: Provides robust and consistent switching for high-current loads, protecting sensitive control switches and ECUs from damage.
-
Durable Construction for Harsh Environments: Built with a sealed or semi-sealed housing to resist moisture, dust, and vibration, ensuring reliable operation in the demanding conditions of an engine compartment.
-
Quick, Easy & Cost-Effective Fix: Installation takes minutes and requires no special tools—simply locate the old relay, pull it out of its socket, and plug in the new VI5825500300. It’s one of the fastest and most economical repairs you can perform.
-
Essential for Basic Diagnostics: Swapping a suspect relay with a known-good one is a standard and effective first step in troubleshooting many electrical issues on heavy equipment.
Technical Specifications
-
Part Number: VI5825500300
-
Application: Engine Control Relay (e.g., for Glow Plugs, Fuel Shutoff)
-
Engine Compatibility: Isuzu 4LE2 Engine
-
Machine Model: Kobelco SK75-8 Excavator
-
Coil Voltage: 24V DC (Standard for excavators)
-
Contact Configuration: SPDT or ISO Mini Relay Standard
Frequently Asked Questions (FAQ)
Q1: What symptoms indicate a faulty engine relay (VI5825500300)?
A: Symptoms depend on the circuit it controls but often include:
-
Glow Plug Circuit: Engine is very hard to start, especially when cold; glow plug indicator light on dash may not come on.
-
Fuel Shutoff Circuit: Engine will not shut off with the key, or conversely, will not start/crank (if solenoid is not energized to allow fuel).
-
General: Intermittent operation of a specific system, or an audible “clicking” sound from the relay box when the system is activated.
Q2: How can I test if my old relay is bad?
A: A simple test: Locate a similar, identical relay in the fuse/relay box that controls a non-critical system (e.g., a horn or work light relay). Swap the two relays. If the problem moves to the other system, your original relay is faulty. If the problem stays the same, the issue is elsewhere.
Q3: Can I install this relay myself?
A: Absolutely, yes. This is a very simple DIY repair. Step 1: Locate the relay box (consult your operator’s manual for its location, often near the battery or in the engine bay). Step 2: Identify the specific relay (the diagram on the box lid or manual will show its position). Step 3: Firmly pull the old relay straight out of its socket. Step 4: Align the pins on the new VI5825500300 relay with the socket and push it firmly into place. No tools required.
Q4: Is it safe to use a generic automotive relay instead?
A: Not recommended. While the physical socket might fit, a generic relay may not have the exact same current rating, coil resistance, or internal diode/protection circuit as the OEM VI5825500300. Using an incorrect relay can lead to premature failure or damage to other electrical components. Always use the correct specified part.
Q5: Where is the relay box on my SK75-8?
A: The main relay and fuse box is typically located in the engine compartment, often mounted on the inner fender or near the battery. Refer to your machine’s Operation and Maintenance Manual for the exact location and layout diagram.
Fix Electrical Problems in Minutes. Ensure Dependable Starts and Stops – Order the VI5825500300 Engine Relay Today!
