Best Side Mount Control Box Options for Outboards
Answering the search intent for a reliable side-mount control box, this guide highlights five suitable options for Mercury, Mariner, Evinrude, Johnson, and other common outboard setups. These selections are best for boat owners seeking easy throttle access, durable construction, and practical trim control from the port or starboard side. The following picks cover front-mount and side-mount configurations, with emphasis on build quality, ease of wiring, and compatibility with traditional 8-pin harnesses.
Summary of selected products:
- FASWORX Side-Mount Gen I 8-Pin: Best for Mercury/Quicksilver compatibility and OEM-style wiring.
- 883710A02 Remote Control Box: Best for durable saltwater use and precise throttle action.
- TEC 881170a15-4000 Gen I: Best for 2-stroke Mercury installations with flexible harness options.
- TEC Outboard Remote Box 5006561: Best concealed side-mount option for Evinrude/Johnson installations.
- VEVOR 5006180 Side-Mounted: Best for robust build and integrated trim/tilt features.
Best Mercury-Style Side-Mount Box With 8-Pin Harness
Product name: Boat Throttle Control Box 881170A15 for Mercury/Mariner Outboards, Side Mount Gen I, 8-Pin 15 ft Harness, Power Trim/Tilt, Replaces 8M0178521 & 881170A1 by FASWORX
Best for: Mercury/Mariner owners needing OEM-style function with a side-mount setup and a long 15 ft harness. This option is ideal for classic side-mount installations and those seeking compatibility with Mercury 8M0178521, 881170A1, and 16900A15.
Why chosen: It mirrors OEM wiring and includes the traditional 8-pin connector with a 15 ft lead, simplifying installation on many Mercury installations. The unit supports front-mount trim wiring, expanding compatibility.
Limitations: Compatibility is strongest with specific Mercury/Quicksilver configurations; verify your model year and connector type before purchase.
Rugged Mercury Gen II Side-Mount Box
Product name: 883710A02 Remote Control Box for Mercury with Power Trim Tilt Switch | 883710A02-4000 Gen II Side Mount Outboard Control Box for Mercury/Mariner Engines, with Emergency Lanyard, with 4 Pin
Best for: Mercury and Mariner engines that require a robust, saltwater-ready side-mount control with power trim and a safety lanyard. The die-cast aluminum housing enhances durability in harsh marine environments.
Why chosen: It offers smooth and precise throttle operation with an adjustable throttle friction setting, plus a built-in power trim feature for engine angle control. This makes it a strong pick for boaters who value nuanced control in cruising and maneuvering.
Caution: The presence of a 4-pin configuration means you should confirm connector compatibility with your harness setup to avoid wiring incongruities.
Tec Gen I 881170a15-4000 Side Mount Box
Product name: 881170a15-4000 side mount Gen I for mercury outboard engine throttle control box 2-stroke 8pin
Brand: TEC
Best for: 2-stroke Mercury engines needing a side-mount throttle with both 8-pin and 12-pin harness options and a 5m harness length.
Why chosen: The combination of 8-pin and 12-pin options provides flexibility for various wiring standards, and the 5m harness length supports longer installations without excess slack.
Limitation: Information on materials or corrosion resistance is not specified; verify environmental suitability for saltwater use.
Concealed Side Mount Box for Evinrude/Johnson
Product name: Outboard remote control box 5006561 For Evinrude Johnson Concealed Side Mount Control Box
Best for: Evinrude and Johnson setups seeking a concealed side-mount control that maintains a clean cockpit aesthetic while delivering essential throttle and trim functionality.
Why chosen: It provides a concealed option that can improve cockpit ergonomics and reduce snag hazards in tight spaces, making it a practical pick for boats with limited dash real estate.
Caution: Details on flush-mount compatibility or required mounting hardware are limited; plan for proper mounting space and secure cable routing.
VEVOR Side-Mounted Throttle Box for Evinrude/Johnson
Product name: VEVOR Boat Throttle Control, 5006180 Side-Mounted Outboard Remote Control Box for Evinrude Johnson, Marine Throttle Control Box with Power Trim Switch and Lanyard
Best for: Evinrude/Johnson users needing a robust side-mounted control with integrated trim and lanyard safety, plus a sturdy aluminum construction.
Why chosen: The kit’s structural materials and integrated trim switch support reliable operation in regular and challenging marine conditions, making it a solid all-around pick for coastal or freshwater duties.
Caution: The description notes a cold start air-oil ratio adjustment function; confirm this aligns with your engine’s required starting protocol and outboard model.
Buying Guide: Key Considerations for Side Mount Control Boxes
What should you check before buying a side-mount control box?
- Engine compatibility: Confirm the box matches your engine brand (Mercury, Mariner, Evinrude, Johnson) and model year. Some units are designed for specific generations (Gen I vs Gen II).
- Harness length and connector type: Ensure the included harness length meets your boat’s layout. Check if the connector type (8-pin, 4-pin, 12-pin) matches your wiring harness.
- Trim and tilt features: Decide if you need a power trim/tilt function and whether the trim control is integrated into the throttle lever or as a separate switch.
- Durability and materials: Look for saltwater-ready housings (die-cast aluminum, corrosion-resistant plastics) and weather-sealed wiring to withstand marine environments.
- Mounting style: Side-mount vs. front-mount options affect cockpit ergonomics; consider available space and reach for safe operation.
- Safety features: Some models include lanyard attachments or emergency cutoffs; verify available safety options.
- Ease of installation: Favor units with OEM-style connectors and straightforward wiring paths to minimize custom cabling and troubleshooting.
How to choose between models?
- Best for Mercury/Quicksilver OEM alignment: Look for 8-pin, side-mount Gen I with a long harness for flexible routing.
- Better for saltwater durability: Select units with die-cast housings and corrosion-resistant construction designed for harsh conditions.
- Choose this if you need concealment: Concealed side-mount boxes offer cleaner dashboards and safer storage of controls.
- Avoid this if you require mixed-brand compatibility: Some boxes are optimized for a single brand or require specific harnesses; confirm cross-compatibility before purchasing.
FAQ
- What is a side-mount control box used for? It provides throttle and trim control for outboard motors from the port or starboard side, improving reach and maneuverability.
- Do these boxes require professional installation? Some installations are straightforward for those with marine wiring experience; others may benefit from professional wiring to ensure correct safety connections.
- Can I mix brands with these boxes? Compatibility varies by model and harness type. Verify connector type and engine model before pairing components.
- Is power trim included with all models? Not all boxes include trim control; confirm trim features when comparing models if you need it.
- What maintenance is needed for side-mount boxes? Regular inspection of connectors, seals, and the throttle lever for smooth operation helps prevent performance issues in saltwater or dirty-water environments.
- Are there safety considerations? If a lanyard or emergency shutoff is required by your boating regulations, choose a model that includes or supports this feature.