Sierra Battery Power Pack 18-99281 for Johnson/Evinrude 4-Cylinder Outboards

The Sierra Battery Power Pack 18-99281 is a 12 volt ignition power pack built for Johnson/Evinrude 4-cylinder outboard engines. It serves as the core ignition control component that manages spark timing and delivery for reliable engine starting and running performance. The housing has a brushed exterior finish and measures 8 x 4 x 4 inches, sized to mount in the same location as the power pack it replaces on applicable Johnson/Evinrude 4-cylinder outboards.

This power pack is a direct fit for outboard owners and marine technicians looking to replace a failed or aging ignition power pack without modifying existing wiring or mounting hardware. It is supplied as a complete, ready-to-install unit.

Specifications

• Brand: Sierra
• Manufacturer Part Number: 18-99281
• Fits: Johnson/Evinrude 4 Cylinder Outboards
• Voltage: 12 Volts
• Product Dimensions: 8 x 4 x 4 inches
• Weight: 3.2 pounds
• Exterior Finish: Brushed
• UPC: 808282395537
• OEM Cross Reference: 113-8362

Fitment

Johnson/Evinrude 4 Cylinder outboard engines.

Replaces (OEM)

113-8362

Frequently Asked Questions

What does the Sierra 18-99281 battery power pack fit? The Sierra 18-99281 is built for Johnson/Evinrude 4-cylinder outboard engines and is designed to install in place of the existing ignition power pack.

Is this a direct OEM replacement? Yes, part number 18-99281 cross-references to OEM number 113-8362, so it is a direct equivalent for that ignition power pack on Johnson/Evinrude 4-cylinder outboards.

What voltage does the 18-99281 power pack run on? It operates on a 12 volt system, matching the standard electrical setup on Johnson/Evinrude 4-cylinder outboards.

How much does the power pack weigh? The Sierra 18-99281 battery power pack weighs 3.2 pounds.

What are the dimensions of this power pack? The unit measures 8 x 4 x 4 inches, sized to fit the mounting footprint used on applicable Johnson/Evinrude 4-cylinder outboards.

What finish does the housing have? The 18-99281 power pack has a brushed exterior finish on its housing.

Does 18-99281 replace OEM number 113-8362? Yes, 113-8362 is the OEM number that the Sierra 18-99281 power pack cross-references and replaces.

What function does this power pack serve on the outboard? It is the ignition power pack that controls spark timing and delivery for Johnson/Evinrude 4-cylinder outboard engines.

Will I need to modify wiring to install the 18-99281? No, the Sierra 18-99281 power pack is designed as a direct fit replacement, installing in the same location using the existing wiring and mounting hardware on Johnson/Evinrude 4-cylinder outboards.

What is included when I order this power pack? The order includes one complete Sierra 18-99281 battery power pack unit, ready to install.