Sierra 18-99266 CD Ignition Pack, Replaces 16-3301, Fits Chrysler/Force/Sears & Gamefisher 3/4 Cylinder 1986-1988

The Sierra 18-99266 is a capacitor discharge (CD) ignition pack built as a direct replacement for outboard engines that originally used a Chrysler, Force, or Sears & Gamefisher ignition module. It houses the switching electronics that fire the spark plugs in the correct sequence, and it is a common failure point on these older outboards when an engine starts cranking but will not fire, runs rough, or loses spark intermittently. The pack comes in a black case with a male connector and uses a clamp-on installation type, so it mounts using the same style of bracket as the original unit without requiring modification to the powerhead wiring harness.

This ignition pack is compatible with 1986-1988 Chrysler, Force, and Sears & Gamefisher outboard engines rated at 85 HP (3-cylinder) and 125 HP (4-cylinder). It directly replaces the OEM and aftermarket ignition packs listed below, so it can be used as a like-for-like swap when an original module has failed or is no longer available. At 0.7 pounds, it is a compact, sealed unit designed to withstand the vibration, heat, and moisture exposure typical of a marine engine compartment.

Specifications

• Brand: Sierra
• Manufacturer Part Number: 18-99266
• Product Type: CD Ignition Pack
• Cylinder Application: 3/4 Cylinder
• Case Color: Black
• Connector Gender: Male
• Installation Type: Clamp On
• Weight: 0.7 pounds
• Compatible Engine Brands: Chrysler, Force, Sears & Gamefisher
• Compatible Ratings: 85 HP (3-cylinder), 125 HP (4-cylinder)
• Compatible Years: 1986-1988

Fitment

• Chrysler, Force, and Sears & Gamefisher outboards, 1986-1988, 85 HP (3-cylinder)
• Chrysler, Force, and Sears & Gamefisher outboards, 1986-1988, 125 HP (4-cylinder)

Replaces (OEM)

• 16-3301
• 300-817974A 1
• 300-F817974A 1
• 653301
• 653301-1
• 817974A 1
• F653301
• F653301-1
• FK653301

Frequently Asked Questions

What engines does the Sierra 18-99266 ignition pack fit? The Sierra 18-99266 fits Chrysler, Force, and Sears & Gamefisher outboard engines from 1986-1988, specifically the 85 HP 3-cylinder and 125 HP 4-cylinder models.

Does the 18-99266 replace the original CDI 16-3301 ignition pack? Yes, the Sierra 18-99266 is a direct replacement for 16-3301 as well as the related cross-reference numbers 300-817974A 1, 300-F817974A 1, 653301, 653301-1, 817974A 1, F653301, F653301-1, and FK653301.

How much does this ignition pack weigh? The Sierra 18-99266 ignition pack weighs 0.7 pounds.

What type of connector does the 18-99266 use? This ignition pack uses a male connector for wiring into the outboard's ignition harness.

How is the Sierra 18-99266 installed? It uses a clamp-on installation type, mounting the same way as the original ignition pack it replaces without modifying the engine harness.

Will this ignition pack work on a 125 HP 4-cylinder engine from 1987? Yes, the 18-99266 is compatible with 1986-1988 125 HP 4-cylinder Chrysler, Force, and Sears & Gamefisher outboards, which covers a 1987 model within that range.

Is the Sierra 18-99266 an OEM or aftermarket ignition pack? The 18-99266 is Sierra's replacement ignition pack, engineered to match the fit and function of the original Chrysler/Force ignition modules it cross-references.

What color and case style does the ignition pack come in? The Sierra 18-99266 has a black case housing the ignition electronics.

Can this ignition pack be used on an 85 HP 3-cylinder outboard? Yes, the 18-99266 covers 1986-1988 85 HP 3-cylinder Chrysler, Force, and Sears & Gamefisher engines.

What symptoms indicate I need to replace my ignition pack with the 18-99266? A failing ignition pack on these Chrysler/Force outboards typically causes no-spark no-start conditions, rough running, or intermittent misfires, and the 18-99266 is the replacement part for that failure.