Volvo Penta Automatic Fuse 874579

The Volvo Penta Automatic Fuse 874579 is a genuine OEM resettable circuit breaker designed to protect electrical systems in Volvo Penta marine engines and accessories. This automatic fuse interrupts power flow in the event of an overload or short circuit, then resets once the fault condition is cleared, eliminating the need for replacement fuses.

Built for marine environments, this breaker provides reliable protection against electrical damage while maintaining consistent system operation. It is commonly used in engine wiring circuits, ignition systems, and auxiliary electrical components.

Key Features

• Genuine Volvo Penta OEM automatic fuse / circuit breaker
• Resettable design no replacement required after trip
• Protects against overloads and short circuits
• Marine-grade construction for durability
• Compact and direct OEM replacement
• Ensures safe operation of engine electrical systems

Engine Compatibility

Used across a range of Volvo Penta marine applications, including:

• Volvo Penta AQ series engines
• Volvo Penta gasoline sterndrive engines (3.0L, 4.3L, 5.0L, 5.7L)
• Volvo Penta inboard and sterndrive electrical systems

Applications include:

• Ignition circuit protection
• Engine harness protection
• Auxiliary electrical components

Suitable for various 12V marine electrical systems
Common in older Volvo Penta electrical setups

Serial Number Fitment Notice

Electrical components can vary by wiring harness and system configuration. Always confirm compatibility using your engine serial number or existing fuse rating before ordering.

When This Part Needs Replacement

• Fuse repeatedly trips under normal operation
• Visible corrosion or damage to terminals
• Intermittent electrical power issues
• Failure to reset properly after trip
• Electrical system service or repair

Installation Notes

• Match amperage rating exactly with original unit
• Ensure clean, corrosion-free terminal connections
• Mount securely in original location
• Inspect wiring for faults before replacing
• Test system after installation

Alternate / Superseded / Cross-Reference Part Numbers

• Volvo Penta: 874579
• May cross-reference to equivalent marine resettable breakers depending on amperage rating
• Aftermarket equivalents available but OEM recommended for correct fit

Parts Desk Insight

These automatic fuses are often overlooked when diagnosing electrical issues. If a breaker keeps tripping, the problem is usually upstream (wiring, starter, alternator), not the fuse itself. Always diagnose the circuit before replacing to avoid repeat failures.

Shipping

Shipping: Ships same or next day for fast Canada wide shipping.