Best Southmarine Boat Engine Parts in 2025
Daisy
Last Updated: Nov 2, 2025
Daisy
Last Updated: Nov 2, 2025
* PickSmartly editors independently research, review, and endorse the top products through comprehensive data analysis. We may earn a commission for qualifying purchases made through our product links.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| KUS Online | 5.92 | ✅ | ✅ | ✅ |
SIGNAL OUTPUT: Standard American Output, 240 ohm - 30 ohm (Empty - Full), Non-Linear Output, 18-21mm Per Step
MOUNTING METHOD: SAE 5 Hole Mounting Pattern ( NOT equidistant )
OPERATING: 12V/24V, -40° F to + 185° F (-40° C to +85° C)
INCLUDED: Sending Unit (1 pc), NBR Mounting Gasket (1 pc), 10-24 Hex Screws (5 pcs), Installation Instruction (1 pc)
FOR USE IN: Diesel, Fuel, Gasoline, Water, OEM Replacement
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Amazon.com | 9.68 | ✅ | ✅ | ✅ |
Motor mount kit designed for Index inflatable boats
Lets you attach up to 3.5-horsepower motors
Made of plastic backing with aluminum support arms
Attaches and detaches quickly; disassembles for storage
Compatible with most newer model Index boats
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Marine Parts Manufacturer | 9.92 | ✅ | ✅ | ✅ |
Number of Blades: 6, Brass Hub, Net Weight: 40g
Height: 18.71mm(47/64")
External Impeller Overall Diameter: 50.90mm(2")
Internal Shaft Insert Diameter: 19.09mm(3/4")
Can't just rely on horsepower to judge, please check the dimension with your old one carefully, if you still can't confirm that, please consult us.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Amazon.com | 9.68 | ✅ | ✅ | ✅ |
Removes harmful deposits that accumulate from normal use
Improves fuel/air flow and overallengine performance
For use with all 2‐ and 4‐cycle carbureted and fuel‐injected gasoline engines
Restores power to poor or non-running engines
12 ounce spray can
Manufacturer part number 858080Q03
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Marine Parts Manufacturer | 9.92 | ✅ | ✅ | ✅ |
fits 4-30HP Outboard Engine
Fits Tohatsu outboard models: M4 M5 M6 M6 M8 M9.8 MFS4 MFS5 MFS6 MFS9.8 MFS15 MFS18 MFS20C MFS25A MFS30A
Fits Nissan outboard models: NS4 NS5 NS6 NS8 NS9.8 NFS4 MFS5 NFS6 NFS9.8 NFS15 NFS18 NFS20C NFS25A NFS30A
Fits Mercury outboard motors: 4 & 5 hp 2-cycle (1999 & newer), 4 / 5 / 6 hp 4-stroke (1999 & Newer) 8 & 9.9 hp 4-stroke 2005 & Newer) and 15 & 20 hp 4-stroke (351cc 2008 and Newer)
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Marine Parts Manufacturer | 9.92 | ✅ | ✅ | ✅ |
Color: Black Material: Aluminum Alloy Material
Inner Hole Diameter: 10mm
Number Blade: 3 Propeller Size: 7.4 Diameter X 5.7 Pitch
Fit OEM part Number: 309-64107-0 309641070 309641070M
Fit Tohatsu / fits Nissan 2-stroke 2.5hp and 3.5hp outboard motor.Also fits Mercury 3.3hp outboard motor.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Marine Parts Manufacturer | 9.92 | ✅ | ✅ | ✅ |
Fit Tohatsu for Nissan OEM parts number: 353068210 353-06821-0 353068210M
Fit Mercury OEM parts number: 823054 823054Q
For most Tohatsu Nissan Outboard M NS F 2.5HP - 115HP (2/4 stroke).
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Amazon.com | 9.68 | ✅ | ✅ | ✅ |
1/4" Npt Female Three-Way Valve Click
quick and easy way to connect one or more tanks
Three-port diverting valve to regulate flow among three sections of pipe
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Marine Parts Manufacturer | 9.92 | ✅ | ✅ | ✅ |
Number of Blades: 6, Brass Hub, Net Weight: 42g
Height: 13.08mm(33/64")
External Impeller Overall Diameter: 69.37mm(2 47/64")
Internal Shaft Insert Diameter: 12.68mm(1/2")
Can't just rely on horsepower to judge, please check the dimension with your old one carefully, if you still can't confirm that, please consult us.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Jet Ski Plus LLC | 8.07 | ✅ | ✅ | ✅ |
Premium Venom brand VTS trim motor Kit with CLAMPS & BOOTS
No modifications required, Replaces / Compatible With SeaDoo part numbers 278000616 and 278001292
ONLY Fits the following models & years: GSI 1997, GSX 1996-1997, GSX Limited 1998-1999 & GSX RFI 1999-2001
Also Fits: SP 1997, SPX 1996-1999, XP / Limited / DI,1996-2004 & RX & RX DI 2000-20
Also Fits: RXP 2004-2009, RXP-X 2008-2011, RXT-X 2008-2009 & WAKE PRO 2009
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Marine Parts Manufacturer | 9.92 | ✅ | ✅ | ✅ |
Fit OEM part number: 87-859032T3 859032T 3
Fits for Mercury outboard models, remote control box shift throttle control box.
Wire length: approximately 18.5inch / 47cm
Direct replacement, a simple plug & play with no wire splicing.
Please inspect pictures closely to get the best idea of condition or feel free to ask me a question.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Marine Parts Manufacturer | 9.92 | ✅ | ✅ | ✅ |
Number of Blades: 6, Brass Hub, Net Weight: 30g
Height: 18.76mm(47/64")
External Impeller Overall Diameter: 51.41mm(2 1/32")
Internal Shaft Insert Diameter: 15.92mm(5/8")
Can't just rely on horsepower to judge, please check the dimension with your old one carefully, if you still can't confirm that, please consult us.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| ITACO STORE | 9.84 | ✅ | ✅ | ✅ |
100% Made in Taiwan quality
Number of Blades: 6
Height: 30.65mm
External Impeller Overall Diameter: 88.65mm, Internal Shaft Insert Diameter: 22.71mm
Boat Motor for Outboard Engine
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Marine Parts Manufacturer | 9.92 | ✅ | ✅ | ✅ |
This aftermarket Relay replace Yamaha motor part number: 6H1-81950-00-00 6H1-81950-01-00 6H181950000 6H181950010
3 Wires
fits these Yamaha 30-90HP outboard motors
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Marine Parts Manufacturer | 9.92 | ✅ | ✅ | ✅ |
Left Hand
Fit OEM Number: 881170A15
2 with power trim &15ft cable, Built-in warning horn
-Fits Mercury Outboard Rigging Parts, Controls & Gauges Remote Controls and Components Side Mount 1994 & Up - Cat.# 90-8M0125572 Remote Control-4000 Side Mount(Power Trim) -Fits Mercury (1986 thru 1993) Outboard COMMANDER 2000 REMOTE CONTROL (with integral power trim) -Fits Mercury 1994 & Up Outboard Commander 2000 Remote Control (with integral power trim) -Does not include throttle & shift cables
-Fits Mercury Force 1993 and newer outboards 40hp and higher utilizing style cables (with power trim). -Remote Control cables need Gen I style to connect to control box. -When used with MY2005 and newer 8/9.9/15/20 four-stroke outboards an adapter harness 84-892473A01 is required. -for MY2005 and newer 8/9.9 Four Stroke outboards SAE T/S cables must be used.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Cllena | 9.84 | ✅ | ✅ | ✅ |
Wide Compatibility: Fits for Car, Boat, Marine, ATV, RV, Motorcycle and other 12-24V Vehicles. Use for mobile phones, Tablet, GPS, digital cameras, PDAs etc.
Safety Driving: Built-in LED digital display voltage and current monitor, shows the accurate voltage status of device in real-time, prevent your motorcycle or car from starting hard, off and on intermittently and the headlights not enough bright cause by too low battery voltage, or prevent your motorcycle or car from engine instability or horns stopping working cause by too high battery voltage.
Safety Protection: It's certified by CE & ROHS with Overload, Over-current and Short Circuit Protection to ensure charging safety, meanwhile, built-in converse connection protection that ensures the circuit won't be burnt out if wrong wiring.
Intelligent Charging: Quick charge 3.0 USB port, built-in smart charging IC, will auto detects your devices and charges them at optimal speed, better charging performance.
Waterproof and Heat Resistant: with IP66 waterproof grade, made of high and low temperature resistant nylon flame retardant materials, high or low temperature-resistant.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Marine Parts Manufacturer | 9.92 | ✅ | ✅ | ✅ |
Length: 8FT, 2.438Meter, Color: Blue
Universal type 3300/33C
It replaces Yamaha ABA-CABLE-08-GY.
Specifications: 92mm stroke, 200mm bend radius
We can also produce other lengths 10ft-25ft, please contact our service team to check the prices for other length.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Home Essentials ✅ | 9.69 | ❌ | ❌ | ❌ |
New sleeker hydrodynamic profile
Enjoy better performance and greater fuel savings
Easy no-drill installation
By capturing the prop wash, the XRIII harnesses power for added thrust
For engines up to 300 hp
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| REPLACEMENTKITS | 9.82 | ✅ | ✅ | ✅ |
Replaces GLM 85531 & Mercury 26-70080
(2 Stroke) 3 & 4 cylinder 50-125 HP (4 stroke) from 1987 to Current
Highest Quality Aftermarket Parts Available
100% Satisfaction Guaranteed
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Marine Parts Manufacturer | 9.92 | ✅ | ✅ | ✅ |
(1) 1996 and newer engine are suitable adapter harness modle: 0176339 12 Ft 0176340 15 Ft 0176341 20 Ft 0176342 28 Ft
(2) Adapter harness 0768411 required for 1973-1995 engines and includes trim and tilt adapter.
(3) Pre 1979 engines require replacing the control cables with post 1979 control cables CC205XX.
(4) Another option for an adapter harness that includes trim is CDI part number, 423-6344 (engine end only). This is an 18" extension harness for trim and tilt hook up. If converting a pre-1995 motor you may also need this male plug end #514685 and wedge pin #514682 to to convert the female plug to male plug complete the installation when using the existing boat side harness.
Standard Features: -Port or Starboard station mounting -Side of center console mounting -Accepts 1979 and newer control cables -Trim and tilt -Push-to-prime ignition key switch -Fast idle warm-up lever -Emergency cut-off switch and lanyard -Neutral lock -Start-in-gear prevention -Adjustable throttle friction -Warning horn included -Note: Not for use with Stern Drive applications
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Amazon.com | 9.68 | ✅ | ✅ | ✅ |
Separate conical header and an ultra smooth tooled expansion chamber
Constructed of hi-quality steel alloy and is coated with a rust and heat resistant black finish for added protection and appearance
Race inspired exhaust provides increase in power and performance
Creates a Racer like exhaust tone which is thrilling for the user as well as the spectator
Improves performance and provides powerful exhaust note
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| PowerOilCenter | 9.78 | ❌ | ❌ | ❌ |
New Aftermarket Part (Not Rebuilt/Refurbished/Repurposed)
Specs: Starter, Voltage: 12, Rotation: CCW, Starter Type: PMDD, Number of Teeth: 10, Gear OD: 1.272in / 32.3mm, Mtg Ear 1 Hole: 5/16-18 Threaded, Mtg Ear 2 Hole: 5/16-18 Threaded, Mtg Ear 3 Hole: 1/4-20 Threaded, Notes:4.09" / 104mm Field Housing Length, Weight: 5.8 lbs / 2.64 kg
Replaces OEM Part Numbers: Arco Marine: 5385, Mercury Marine: 50-41583, United Technologies: 4438540-M030SM, SM44385
Please verify this is the right part number before ordering
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Modern Boat Sales, INC | 9.56 | ❌ | ❌ | ❌ |
The SKU data provided conflicts with the Amazon catalog. The item_id value(s) provided correspond to the ASIN B003901YYO, but some information contradicts with the Amazon catalog. The following are the attribute value(s) that are conflicting: brand (Merchant: 'Mercury Marine/Mercruiser' / Amazon: 'Mercury - Mercruiser'). If your product is this ASIN, then modify your data to reflect the Amazon catalog values. Else, check your value(s) for item_id are correct.
Sold Each
Please verify your own fitment
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Shay's Minn Kota & Marine | 9.86 | ❌ | ❌ | ❌ |
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Amazon.com | 9.68 | ✅ | ✅ | ✅ |
Easy to install, no fiberglass lamination
German quality Swiss precision
Completely sealed/ long run time/low Battery draw
Maintenance free/ quiet Operation
2Year complete replacement
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Doug Russell Marine | 9.88 | ❌ | ❌ | ❌ |
3/8-18 Thread Temp Sender for Marine Engines
Replaces Mercury Marine/ Quicksilver 806490T
Replaces OMC/Volvo Penta 3853787
Replaces Sierra Marine 18-5897
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| The ROP Shop | 9.85 | ❌ | ❌ | ❌ |
MERCRUISER BRAVO & ALPHA GIMBAL HOUSING UPPER STEERING PIN
REPLACES MERCRUISER PART NUMBER 98230A1 and 866718A01
HIGH QUALITY STAINLESS STEEL 304 HAS BEEN MADE MANUFACTURED WITH UPPER LEVEL HUSBANDRY
INCLUDES THE OEM NUT, SMALL WASHER, LARGE WASHER
2 YEAR WARRANTY
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Jet Ski Parts & JSP Manufacturing | 9.93 | ✅ | ✅ | ✅ |
Seadoo wear ring part # 267000372
rxp rxt gtx Sea-doo 267000105
part #267000372
part #267000105
FREE SHIPPING
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| SOROS | 9.62 | ✅ | ✅ | ✅ |
Constructed with PVC rubber body, this fuel hose has an excellent seal property which means that it possesses a good oil and air leakage resistant performance
Fuel Line Hose brings fuel from the tank up to the line and prevents fuel from returning back to the tank keeping it in the line
There is marked arrow on this fuel hose body showing fluid flow direction, which demonstrates the oil flow direction
With high quality and creative connectors, it will fit your machine perfectly, and it is easy to install
Marine fuel line hose is suitable for most of outboard motors, such as for Yamaha, Mariner, ect
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Sunset Retail | 9.73 | ❌ | ❌ | ❌ |
Here is the list of top-rated brands that were evaluated by PM.
| Brand | Count |
|---|---|
| Southmarine | 39 |
| Quicksilver | 4 |
| Minn Kota | 3 |
| Dynamite | 2 |
| Grojos | 2 |
| Itaco | 2 |
| Anauto | 1 |
| Asaki | 1 |
| Bodao | 1 |
| Cllena | 1 |
We've carried out a comprehensive analysis of 10,119 reviews on boat engine parts, using our selection criteria to identify the best options in the sports apparel & equipment. Our findings reveal that most customers typically select boat engine parts priced around $234.30, with top brands including better boat, newport vessels, mibarco, isure marine, shoreline marine, proppro, attwood, zoyan and yihetop and boatman
Our team of expert editors reviewed these high-quality items and handpicked the top 30 boat engine parts for your consideration. We've also done extensive research on numerous sellers, identifying the best ones in the sports apparel & equipment category. These include love & pieces, amazon.com, qikelier, hightecmarine, proppro llc, zoyan outboard parts, yihetop, boatman propeller and marine parts manufacturer and harvard marine .
We are dedicated to assisting our users in finding the right parts Products based on their needs, saving them considerable time when choosing which boat engine parts to buy. We take pride in the number of satisfied users we've helped through our thorough and insightful reviews.
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