Sierra Circuit Breaker 18-69550 - Replaces 3854164 - Volvo Penta I/O Gasoline Engines

The Sierra 18-69550 is a plug-in mount circuit breaker engineered for Volvo Penta multiple gasoline engine applications in I/O (inboard/outboard) configurations. Rated at 20 amps, this single-pole circuit breaker protects the electrical system from overload by interrupting current flow when the rated threshold is exceeded, helping prevent wiring damage and electrical fires aboard your boat. Its plug-in mounting design allows for straightforward installation into existing panel or harness setups without the need for additional hardware or splicing.

This circuit breaker is a direct replacement for OEM part number 3854164 and is built to Sierra's standard for marine electrical components, offering reliable protection in the demanding marine environment. It is a compact, functional component intended for boat owners and marine technicians servicing Volvo Penta gasoline-powered I/O systems who need a dependable replacement part for electrical system maintenance or repair.

Specifications

• Brand: Sierra
• Manufacturer Part Number: 18-69550
• Current Rating: 20 amps
• Circuit Breaker Type: Standard
• Mounting Type: Plug-In Mount
• Number of Poles: 1
• Weight: 0.13 pounds
• UPC: 808282342715

Fitment

• Volvo Penta multiple gasoline engine applications, I/O

Replaces (OEM)

• 3854164

Frequently Asked Questions

What does the Sierra 18-69550 circuit breaker fit? The Sierra 18-69550 circuit breaker fits multiple Volvo Penta gasoline engine applications in I/O (inboard/outboard) configurations.

Is the 18-69550 a direct replacement for OEM part 3854164? Yes, the Sierra 18-69550 circuit breaker replaces OEM part number 3854164 on applicable Volvo Penta gasoline I/O engines.

What amperage is this circuit breaker rated for? The 18-69550 is rated at 20 amps, suitable for the electrical circuits found on Volvo Penta gasoline I/O engines it is designed for.

How many poles does the 18-69550 circuit breaker have? It is a single-pole (1 pole) circuit breaker.

How is the 18-69550 circuit breaker mounted? This circuit breaker uses a plug-in mount design, allowing it to be installed into an existing panel or harness connection without additional hardware.

How much does the Sierra 18-69550 weigh? The Sierra 18-69550 circuit breaker weighs 0.13 pounds.

Is the 18-69550 genuine Sierra or aftermarket? The 18-69550 is a genuine Sierra-branded circuit breaker, sold as a replacement part for the equivalent OEM number 3854164.

What type of circuit breaker is the 18-69550? It is classified as a standard circuit breaker type, part number 18-69550 from Sierra.

Will the 18-69550 work on any Volvo Penta engine? The 18-69550 is designed for multiple Volvo Penta gasoline engine applications in I/O configurations; it is not stated to fit diesel or sterndrive-only variants outside this range.

What is included when I order the 18-69550? The 18-69550 order includes one Sierra circuit breaker, ready for plug-in installation.

What is the UPC for the Sierra 18-69550 circuit breaker? The UPC for the Sierra 18-69550 circuit breaker is 808282342715.