Looking for a high-quality 3379078 relay replacement? As a specialist in heavy-duty electrical components, we offer the 3379078 relay designed for Cummins power systems and compatible industrial equipment. Whether for emergency repairs or scheduled maintenance, our parts ensure your electrical system remains stable under peak loads.
| Model NO. | Cummins 4BT, 6BT, 6CT, QSB Series; Komatsu PC Series Compatible |
|---|---|
| Product Name | Relay / Electrical Starter Relay |
| Part Number | 3379078 (3379078) |
| Type | DC 24V Electrical Switch Component |
| Condition | Brand New, OEM Standard Replacement |
| MOQ | 1 Piece |
| Stock Status | In Stock / Fast Dispatch Available |
| Application | Engine electrical system, starting circuit, control module |
| Critical Quality Factor | Ordinary Aftermarket Part | Our 3379078 Professional Grade |
|---|---|---|
| 1. Contact Material | Mixed alloy (oxidizes quickly) | Silver-plated copper contacts for maximum conductivity |
| 2. Voltage Stability | Frequent flickering | Steady 24V control with high surge resistance |
| 3. Housing Durability | Thin plastic (cracks in heat) | High-temperature flame-retardant nylon shell |
| 4. Vibration Resistance | Internal coils come loose | Reinforced coil fixing for heavy machinery use |
| 5. Weather Sealing | Open gaps | Epoxy-sealed base to prevent moisture entry |
| 6. Compatibility | Rough dimensions | 1:1 Precision mold for 3379078 factory standards |
Q: Why is my engine making a clicking sound but not starting?
A: This is often caused by a failing 3379078 relay where the internal contacts are burnt. Replacing the relay is the fastest way to restore ignition functionality.
Q: Can I use this 3379078 for a 12V system?
A: No, the 3379078 is a 24V relay specifically designed for heavy-duty diesel engines. Using it on a 12V system will result in activation failure.
Why Choose This Relay?
Our 3379078 features an OEM-standard tri-metal structure. It is trusted by repair shops and equipment fleets for its consistent performance in extreme construction environments.
Our team helps operators achieve zero downtime:
Identify potential risks: We spot electrical circuit bottlenecks during maintenance.
Recommend suitable replacement parts: Accurate cross-referencing for 3379078.
Full Support: We offer both inspection advice and reliable parts supply.
Send Your Part Number for an Immediate Quote
We are a leading provider of comprehensive engine solutions. Our expertise covers world-renowned brands including Cummins, Komatsu, Caterpillar, Isuzu, Kubota, Yanmar, and Weichai. We provide everything from small electrical relays like 3379078 to full engine blocks.
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