Sierra Electronic Shift Assist 18-99515 for OMC Sterndrive Delco HEI Distributors, Replaces 123-9898-P

The Sierra 18-99515 is an Electronic Shift Assist (ESA) built for OMC Sterndrive ignition systems. It is a high amp ESA designed for Delco HEI distributors with coil-in-cap construction, providing the electronic switching needed for reliable shift-interrupt operation on these ignition systems. This unit can be used in place of OEM part 123-9898-P, making it a straightforward replacement option for boaters whose original shift assist has failed or is being serviced. The 18-99515 also functions as a component within assembly 423-3000, so it can be sourced individually rather than replacing the entire assembly when only the shift assist itself needs attention.

Built for dependable, consistent performance in the marine ignition environment, this shift assist is manufactured to meet quality standards expected of OMC Sterndrive electrical components. It is a compact electrical part intended for direct fitment into systems already equipped with Delco HEI, coil-in-cap distributors.

Specifications

• Brand: Sierra
• Manufacturer Part Number: 18-99515
• Product Type: Electronic Shift Assist (ESA)
• Application: OMC Sterndrive ignition systems
• Compatible Distributors: Delco HEI distributors with coil-in-cap
• Current Rating: High Amp
• Component Of: 423-3000 assembly
• Replaces: 123-9898-P
• Weight: 1 pound
• UPC: 808282395155

Fitment

• OMC Sterndrive systems using Delco HEI distributors with coil-in-cap

Replaces (OEM)

• 123-9898-P

Frequently Asked Questions

What is the Sierra 18-99515 Electronic Shift Assist used for? The Sierra 18-99515 is an Electronic Shift Assist (ESA) that provides shift-interrupt switching for OMC Sterndrive ignition systems equipped with Delco HEI distributors with coil-in-cap construction.

Does the 18-99515 replace OEM part 123-9898-P? Yes, the Sierra 18-99515 can be used in place of OEM part 123-9898-P, making it a direct replacement option for that shift assist.

Is this shift assist compatible with coil-in-cap distributors? Yes, the 18-99515 is designed specifically for Delco HEI distributors that use coil-in-cap construction on OMC Sterndrive systems.

What assembly does the 18-99515 belong to? This shift assist is a component of assembly 423-3000, so it can be purchased on its own when only the shift assist portion of that assembly needs replacement.

How much does the Sierra 18-99515 weigh? The Sierra 18-99515 Electronic Shift Assist weighs 1 pound.

Is the 18-99515 a high amp shift assist? Yes, the Sierra 18-99515 is rated as a high amp ESA, suited to the current demands of Delco HEI coil-in-cap ignition systems.

Will the 18-99515 fit any HEI distributor? The 18-99515 is designed for Delco HEI distributors with coil-in-cap construction on OMC Sterndrive systems specifically, not all HEI distributor types.

What is included with the Sierra 18-99515? The Sierra 18-99515 ships as a single Electronic Shift Assist unit, part number 18-99515.

Is the Sierra 18-99515 genuine or aftermarket? The 18-99515 is sold under the Sierra brand as a replacement Electronic Shift Assist compatible with OMC Sterndrive Delco HEI coil-in-cap systems, cross-referencing to OEM part 123-9898-P.

Can the 18-99515 be identified by its UPC? Yes, the Sierra 18-99515 Electronic Shift Assist carries UPC 808282395155.