Remote Control Tilt Trim Switch – Fits Mercury Mariner Outboard Controls (Replaces 87-18286A43, 87-16991A1, 87-18286A2)
This rocker-style trim switch is designed for Mercury and Mariner outboard remote control boxes, compatible with a wide range of Mercury outboard engines from 25HP to 400HP models manufactured from 1999 and up.
This part is a direct replacement for Mercury part numbers 87-18286A43, 87-16991A1, 87-18286A2, and 87-18286A26.
- Direct plug-and-play installation for the control box.
- Features an OEM-specification electrical connector for a secure connection.
- Built with a durable, long-lasting rocker switch spring mechanism.
Part Number Cross-Reference
Use this table to confirm equivalent part numbers.
Brand |
Part Number |
Mercury |
87-18286A43 |
Mercury |
87-16991A1 |
Mercury |
87-18286A2 |
Mercury |
87-18286A26 |
Compatible Engine Models
Confirm your engine model/year in the table below. For Mercury owners, here’s a guide to help you identify your engine’s serial/model: Mercury Serial Number Guide. You can also review exploded diagrams to verify part numbers: Mercury Parts Diagrams & Catalog.
Brand |
Models |
HP Range |
Years |
Notes |
Mercury |
Various |
25-400 HP |
1999 and up |
Fits most Mercury outboard engines with compatible remote controls |
Compatible Remote Control Boxes
Control Box Model |
OEM Part No. |
Notes |
Mercury 881170A1 |
87-18286A43 |
Compatible control box |
Mercury 881170A2 |
87-18286A43 |
Compatible control box |
Mercury 881170A15 |
87-18286A43 |
Compatible control box |
Mercury 881170A20 |
87-18286A43 |
Compatible control box |
Technical Specifications
Specification |
Value |
Product Type |
Remote Control Tilt Trim Switch |
Installation |
Direct plug-and-play for control box installation |
Connection |
OEM specification electrical connector |
Material |
ABS plastic |
Color |
Black |
Wire Type |
AWG 20 standard harness wire |
Switch Style |
Rocker switch with long-lasting spring |
Operating Voltage |
12V DC |
Package Contents
-
1 x Remote Control Tilt Trim Switch (87-18286A43/87-16991A1/87-18286A2/87-18286A26)
Installation Guide
-
Safety First: Disconnect the boat's battery before beginning work to prevent electrical shorts.
-
Access the Control Box: Open the housing of the remote control box where the trim switch is located.
-
Unplug Old Switch: Locate the electrical connector for the old trim switch and carefully unplug it.
-
Remove Old Switch: Press the retaining clips or remove the screws holding the old switch in place and remove it from the handle.
-
Install New Switch: Insert the new tilt trim switch into the slot, ensuring it clicks securely into place.
-
Connect New Switch: Plug the new switch's electrical connector into the corresponding socket in the control box.
-
Reassemble and Test: Secure the remote control box housing. Reconnect the battery and test the new switch to ensure the trim and tilt functions correctly in both up and down directions.
Troubleshooting & FAQ
Q: How do I confirm this fits my remote control?
A: This switch is a direct replacement for part numbers 87-18286A43, 87-16991A1, and 87-18286A2. It is designed for most standard Mercury/Mariner remote control boxes used on outboards from 1999 and newer. We recommend comparing your old part to the images and part numbers provided to ensure a perfect match.
Q: What are the symptoms of a failing tilt trim switch?
A: Common signs of failure include intermittent operation, the trim only working in one direction (up or down), or a complete lack of response when the button is pressed. This is often due to internal corrosion or wear.
Q: OEM vs. Aftermarket?
A: This listing is an aftermarket replacement part (not an OEM component). We build to OEM specifications using comparable-grade materials. Production is done in an ISO9002-certified facility, and each batch is inspected for consistent performance.
Q: How fast do you ship and how much does it cost?
A: We offer fast global shipping—typically 5–15 days worldwide—and standard shipping is free. Expedited options are available at checkout depending on your location.
Q: What is your warranty and return policy?
A: This product includes a 1-year warranty against manufacturing defects under normal use. If something goes wrong, contact our support team with your order details. Returns are accepted within our standard return window (unused & in original condition); please see our policy page or reach out for instructions.
Important Notes
- Verify that the product images and specifications match your original part. If discrepancies exist—even if your model is listed—do not proceed with the purchase.
- This product is an aftermarket replacement part and is not an OEM component.
- Professional installation is recommended to ensure safety and optimal performance.
Why Choose JLM MARINE?
-
Quality Assured: As a trusted manufacturer for over 20 years, we supply top marine brands globally.
-
Fast Global Shipping: Free delivery worldwide in 5–15 days.
-
Direct from Manufacturer: Competitive pricing without compromising quality.