Best New 115 Hp Outboard Accessories and Parts for Reliable Power
The top picks below focus on 115 hp outboards and nearby HP ranges, helping buyers choose parts and accessories that fit 115 hp class engines. Ideal buyers vary from DIY maintenance enthusiasts to boaters preparing for seasonal service. This guide highlights five compatible products, with quick notes on who benefits most and any practical caveats.
Summary Table of Selected Products
| Product | Best For | Key Benefit | Notable Consideration |
|—|—|—|—|
| OEG Parts New Alternator (Mercury/Mariner 75-115 HP) | 115 HP Mercury/Mariner engines | 12V, 50A, CW rotation, new replacement | Mounting hardware not included |
| OEG Parts New Marine Starter (Yamaha 115-200 HP) | Yamaha 115-200 HP outboards | 12V, 9-tooth, CCW rotation | Mounting hardware not included |
| GHmarine Water Pump Impeller Kit (Yamaha 75-115 HP) | Yamaha 4-stroke 75-115 HP | Complete impeller kit for cooling | Replacement timing not specified |
| DETYI 4-Stroke Transom Saver | 75-300 HP 4-stroke engines | Protects transom during trailering | Not compatible with non-Mercury Mercury Verado |
| STEECA Waterproof Outboard Cover (115-225 HP) | Wide range mid- to high-power outboards | Durable 600D fabric with waterproof coating | Horsepower listed for reference; measure motor first |
OEG Parts New Alternator For Mercury/Mariner 115 HP
This alternator is designed for a 12V system with 50A output and CW rotation, suitable for Mercury/Mariner 115 hp and related models from 2001–2014. Best for boat owners replacing failed charging components in mid-range, saltwater or freshwater use where a 12V, 50A source is needed. Note that mounting hardware is not included, so plan to reuse or source bolts and brackets if required. Selection aligns with engines such as 115 ELPT and similar models in the listed compatibility range.
Best for: 115 hp Mercury/Mariner systems needing a direct replacement alternator.
Limitations: No mounting hardware included; verify pulley and wiring compatibility with your specific model.
OEG Parts New Marine Starter For Yamaha 115–200 HP
This starter is listed for Yamaha outboards from 115 to 200 HP, featuring a 12V system and a 9-tooth design with CCW rotation. It is suitable for mid-range Yamaha engines and can be a direct replacement option when the original is failing to crank reliably. Best for Yamaha 115–200 HP owners seeking a straightforward electrical replacement. Mounting hardware is not included, so check fitment with your mounting bolts and adapters.
Best for: Yamaha 115–200 HP engines needing a reliable starter.
Limitations: Hardware not included; confirm compatibility with your model year and cowling clearances.
GHmarine 68VW0078 Water Pump Impeller Kit For Yamaha 75–115 HP
This water pump impeller kit is intended for Yamaha four-stroke outboards in the 75–115 HP range. Replacing the impeller helps maintain proper cooling and engine efficiency. Best for preventive maintenance or after a cooling system issue in Yamaha 75–115 HP engines. Limitations: Verify you’re purchasing the correct housing and seal kit for your exact model; no timing or service interval details provided here.
Best for: Yamaha 75–115 HP owners performing routine cooling system maintenance.
Limitations: Ensure correct housing compatibility with your specific model year.
SeaSierra Boat Marine Outboard Cover 100–150 HP
SeaSierra’s heavy-duty cover is designed to shield 100–150 HP outboard engines from wind, sand, rain, and sun. Made of Oxford fabric with PVC coating, it aims to reduce sun and abrasion damage while moored or trailering. Best for boaters seeking durable protection for mid-range engines. Note: horsepower is for reference; measure your motor to ensure a proper fit before purchase.
Best for: Protecting 100–150 HP outboards from environmental exposure.
Limitations: Measure engine dimensions first to ensure a proper fit if your motor sits slightly outside the listed range.
DETYI 4-Stroke Transom Saver
The DETYI transom saver provides structural support for 4-stroke outboard engines in the 75–300 HP range. Constructed with a stainless steel frame and rubber buffer blocks, it aims to protect the boat transom from impact and stress during trailering. Best for users transporting heavy outboards or protecting sensitive transoms. Limitation: Not compatible with Mercury Verado or some non-Mercury/ Yamaha configurations; verify compatibility with your setup.
Best for: Trailering protection for heavier four-stroke outboards.
Limitations: Check engine brand compatibility to avoid fit issues with Verado or non-Mercury engines.
STEECA Waterproof Outboard Cover 115–225 HP
STEECA’s cover is designed for a broad HP range, from 115 to 225 HP, offering UV and water resistance. The 600D marine-grade polyester with a waterproof coating makes it suitable for mooring and storage. Best for boaters seeking all-season protection for mid-to-high-power outboards. Note that HP is listed for reference; confirm your motor’s dimensions for a precise fit.
Best for: Storage and protection for 115–225 HP outboards.
Limitations: Horsepower is a reference figure; always measure motor height and width before purchase.
Buying Guide: Key Purchase Considerations
- Engine compatibility: Always verify model year, horsepower, and mounting specifics before buying parts or covers.
- Hardware and mounting: Many components list “hardware included” as not included. Plan to source screws, brackets, or mounting kits separately if needed.
- Environmental conditions: Choose covers and transom savers with material and coating suitable for your climate and trailer use.
- Maintenance vs. replacement: Distinguish between routine maintenance parts (impellers, spark wires) and replacement components (alternator, starter) for long-term engine health.
- Installation notes: Some items require professional installation or exact alignment; ensure you have the tools and know-how or consult a marine technician.
FAQ
- Q: What HP range do these products cover? A: The listed items target 115 HP class engines and nearby ranges, with many compatible for 75–225 HP families.
- Q: Do these parts require professional installation? A: Some items can be installed by experienced DIY enthusiasts; others may require professional help, especially electrical components.
- Q: Are mounting brackets or hardware included? A: Most listings note that mounting hardware is not included; verify what your model needs.
- Q: How do I confirm fit for Yamaha vs Mercury engines? A: Check the specified compatibility notes and match your engine model year, horsepower, and rotation direction (CW/CCW).
- Q: Will a boat cover fit all 115–HP engines? A: Not all; measure motor dimensions (height, width, bolt patterns) to ensure a proper fit with a target HP range.
- Q: Can I mix components from different brands? A: For best results, select parts designed for your specific engine brand and model; mismatched components may affect performance or compatibility.