Sierra NEW Switch Box Power Pack 18-5790 For: Mercury Force 75-90HP NOS 0810

Sierra Switch Box (Power Pack) — Part Number 18-5790
Brand: Sierra | Condition: New Old Stock (NOS)

You are purchasing a new Sierra Switch Box (Power Pack / CDI Module), part number 18-5790, for Mercury, Mariner, Chrysler, and Force outboard engines. This is a genuine Sierra branded part — never installed, never used.

Condition Details:

This is a New Old Stock (NOS) part. The switch box itself is in new, uninstalled condition. As is common with NOS inventory, the original packaging may show signs of age, including shelf wear, dust, or minor cosmetic blemishes on the bag or box. The part is new and fully functional.

Part Number / Supersede Information:

Primary Part Number: 18-5790
Replaces OEM Mercury: 18495A26, 18495A19, 18495A12
Cross-References: CDI 114-4953 | Mallory 9-25107 | Chrysler 18495A12

Fitment:

• Fits: Mercury / Mariner 75HP and 90HP outboard motors
• Also fits: Chrysler / Force outboard motors in compatible HP range
• Also fits: Mercury Sport Jet applications using 18495A12
• Please verify fitment using your motor's model and serial number before ordering

Why Choose Quality Replacement Parts?

Sierra parts are engineered to meet or exceed OEM specifications, providing reliable performance and a precise fit for your Mercury or Force outboard. Every Sierra part is purpose-built for harsh marine environments and backed by Sierra's limited lifetime warranty covering defects in workmanship and materials.

Returns:

We proudly offer hassle-free returns. If you are not completely satisfied with your purchase for any reason, simply open a return request through eBay within 30 days of purchase and we will take care of you promptly.

Thank you for choosing QBS Parts Inc! We truly appreciate your business. If you have any issues whatsoever with your order, please give us the opportunity to resolve it before leaving feedback — we are committed to making every transaction a great experience. Please verify fitment using your motor's model and serial number before purchasing. Feel free to message us with any questions — we're here to help!

QBS Parts, Inc. — Gardena, CA