Aftermarket Parts
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Sierra 580148 J/E Contact Set 18-5156
Sierra
$21.69 $15.08Sierra 580148 J/E Contact Set 18-5156- Part Number:
- 47-5156
- Availability:
- In Stock - Ships same or next business day.
$21.69 $15.08 -
Sierra 86234A05 Mc/OMC Fuel Pump 18-7278
Sierra
$359.59 $244.96Sierra 86234A05 Mc/OMC Fuel Pump 18-7278- Part Number:
- 47-7278
- Availability:
- In Stock - Ships same or next business day.
$359.59 $244.96 -
Sierra Anode (Zinc) 18-6249
Sierra
$27.89 $26.62Sierra Anode (Zinc) 18-6249- Part Number:
- 47-6249
- Availability:
- In Stock - Ships same or next business day.
$27.89 $26.62 -
Sierra Draincock1/4Npt 18-4218
Sierra
$16.59 $13.35Sierra Draincock1/4Npt 18-4218- Part Number:
- 47-4218
- Availability:
- In Stock - Ships same or next business day.
- Application:
- Cylinder Block
- Size:
- 1/4" NPT
- OEM #:
- Mercury 22-16951A1 - 22-16951Q1 - 22-16951T1 - OMC 379957 - Volvo 82745
$16.59 $13.35 -
Sierra Marine Module Ignition Mc850487 & Crus 18-5107-1
Sierra
$175.99 $127.99Sierra Marine Module ignition Mc850487&Crus 18-5107-1- Part Number:
- 47-51071
- Availability:
- In Stock - Ships same or next business day.
$175.99 $127.99 -
Sierra Marine Tach-Hour Small Engine Tachometer / Hourmeter with Sensor Wire for 2/4 Stroke 2 Cylinders, 5' 56969P
Sierra
$66.49 $51.64Sierra Tach-Hour Small Engine 56969PFor any gasoline motor up to 2 cylinder. Displays RPM up to 9000. Allows hour monitoring for even the smallest outboard motors. Great for 2 or 4 stroke. Displays...- Part Number:
- 47-56969P
- Availability:
- In Stock - Ships same or next business day.
$66.49 $51.64 -
Sierra Sender-Temp 240F 3/8-18 18-5897
Sierra
$43.39 $32.52Sierra Sender-Temp 240F 3/8-18 18-5897- Part Number:
- 47-5897
- Availability:
- In Stock - Ships same or next business day.
- Replaces:
- 97257A1 - 806490T
- Thread:
- 3/8" - 18 NPT
$43.39 $32.52 -
Sierra Snake Intermed Shift Cable 18-9879
Sierra
$48.69 $38.02Sierra Snake Intermed Shift Cable 18-9879Use to easily remove and install intermediate shift cables in Mercury drives.- Part Number:
- 47-9879
- Availability:
- In Stock - Ships same or next business day.
$48.69 $38.02 -
Sold Out, please call for ETA.
Sierra Thermostat Kohler# 249930 23-3608
Sierra
$29.99 $18.99Sierra Thermostat Kohler# 249930 23-3608- Part Number:
- 47-233608
- Availability:
- In Stock - Ships same or next business day.
- Temp.:
- 190 Deg -
- OEM #:
- Kohler
#249930 - Fits:
- 4EF - 5E - 6EF - 7.3E - 8E - 10E - 12.5E - 12.5CF - 15C - 16CF - 20C
$29.99 $18.99 -
Sierra Trim Motor Suzuki # 38100-96J00 18-18303
Sierra
$487.99 $346.74Sierra Trim Motor Suzuki # 38100-96J00 18-18303O-Ring included.- Part Number:
- 47-18303
- Availability:
- In Stock - Ships same or next business day.
- Replaces:
- 38100-92J02 - 38100-92J10 - 38100-93J01 - 38100-93J02 - 38100-96J00
$487.99 $346.74 -
Uflex Side Mount Dual Lever Rem Control B49
Uflex
$268.89 $203.99Uflex Side Mount Dual Lever Rem Control B49 Suitable for outboard powered boats Made of nylon fiberglass with anodized aluminum levers Left or right side mount installation- Part Number:
- 216-B49
- Availability:
- In Stock - Ships same or next business day.
- Description:
- Black
$268.89 $203.99 -
Martyr Anodes 1/2" x 1-1/2 Pencil Zinc Only Cmez1E
Martyr Anodes
$4.79 $3.33Martyr Anodes 1/2" x 1-1/2 Pencil Zinc Only Cmez1E No plug included.- Part Number:
- 194-CMEZ1E
- Availability:
- In Stock - Ships same or next business day.
- Size:
- 1/2" x 1-1/2"
- Material:
- Zinc
$4.79 $3.33 -
Martyr Anodes Anode-Bennett Trimtab Kit A Cmbnt1Akita
Martyr Anodes
$30.59 $21.06Martyr Anodes Anode-Bennett Trimtab Kit A Cmbnt1Akita- Part Number:
- 194-CMBNT1AKITA
- Availability:
- In Stock - Ships same or next business day.
- Size:
- 3-3/4" L x 1" W x 1/2" H
- Material:
- Aluminum
- Pack:
- 2
$30.59 $21.06 -
NGK Spark Plugs Bkr7Eku Spark Plug 5881
NGK Spark Plugs
$18.39 $9.93NGK Spark Plugs Bkr7Eku Spark Plug 5881 Chosen by more automotive, and marine engine manufacturers than any other. The unique copper core and exclusive electrode design assure fast starts, peak...- Part Number:
- 41-BKR7EKU
- Availability:
- In Stock - Ships same or next business day.
- Model #:
- 5881
- Pkg.:
- Boxed
- What's in the Box:
- (1) Spark Plug
$18.39 $9.93 -
Seachoice 2 & 4 Stroke Outboard Fuel/Water Separator Canister Filter 10 Micron 20911 20934
Seachoice
$13.86Seachoice 20934 Fuel/Water Separating Filter Replaces: Racor: PFF 5510; Moeller: 03332410; Mercury: 35-802893Q01; Valmar: 52113; Volvo: 834337; 145; Sierra: 18-7844 10 Micron Removes water...- Part Number:
- 50-20934
- Availability:
- In Stock - Ships same or next business day.
- Description:
- Fuel/Water Separator Canister
$13.86 -
Seachoice Fuel Pump Dra-Lft 11.5-9Psi 12V 20331
Seachoice
$238.10 $159.99Seachoice Fuel Pump Dra-Lft 11.5-9Psi 12V 20331 This solid state fuel pump can be used on: refrigeration trucks, marine generator sets, diesel filtration systems, industrial applications, and other...- Part Number:
- 50-20331
- Availability:
- In Stock - Ships same or next business day.
- PSI:
- 11.5 - 9
- GPH:
- 33
- OEM #:
- FACET 40222
- Volts:
- 12
$238.10 $159.99 -
Seachoice Fuel Pump Gold Flokit 8.0 50-20291
Seachoice
$292.06 $168.53Seachoice Fuel Pump Gold Flokit 8.0 50-20291 This rugged, lightweight, solid state fuel pump provides the high output performance required by heavy duty construction, agricultural, industrial, marine...- Part Number:
- 50-20291
- Availability:
- In Stock - Ships same or next business day.
- PSI:
- 8.0 - 6.5
- GPH:
- 45
- OEM #:
- 480532E
- Volts:
- 12
$292.06 $168.53 -
Seachoice Fuel Tank Vent Flush 90 Deg 23061
Seachoice
$42.87 $29.99Seachoice Fuel Tank Vent Flush 90 Deg 23061 Made of 316 stainless steelOn the exterior, they have a smooth edge over the competitionUnlike some others, there is no protruding cap to cause damage or...- Part Number:
- 50-23061
- Availability:
- In Stock - Ships same or next business day.
- Hose:
- 5/8" ID
- Max Hull Thickness:
- 7/8"
- Hole:
- 1-3/8"
$42.87 $29.99 -
Seachoice Transom Trim Contol 28131
Seachoice
$42.38 $36.51Seachoice Transom Trim Contol 28131 Provides a weatherproof tilt control system at the stern area of the boatCan be used for remote adjustment of hydraulic plates18" wiring harness included.- Part Number:
- 50-28131
- Availability:
- In Stock - Ships same or next business day.
$42.38 $36.51 -
Seachoice Universal In-Line Fuel Filter 20941
Seachoice
$12.99 $10.45Seachoice Universal In-Line Fuel Filter 20941 In-line style universal fuel filter replaces any 1/4", 5/16" or 3/8" filterProtects all carbureted enginesClear body permits visual inspection.- Part Number:
- 50-20941
- Availability:
- In Stock - Ships same or next business day.
$12.99 $10.45
Aftermarket Boat Parts & Marine Engine Supplies
Looking for dependable aftermarket boat parts? PowerBoatSupply.com carries a wide selection of aftermarket marine parts, engine supplies, oils, fuel components, steering parts, anodes, tools, and maintenance essentials for boat owners and marine professionals.
Whether you're handling routine service, replacing worn components, or stocking up for the season, our aftermarket parts selection helps keep your boat running smoothly and reliably.
Marine Engine Parts & Maintenance Essentials
Keep your motor protected and performing with key maintenance categories like engine parts, motor oil, marine oil systems and accessories, and lubricants, fluids and sealants.
- Engine Parts – Replacement components for service and repair
- Motor Oil – Marine-grade oils for routine maintenance
- Oil Systems & Accessories – Helpful products for oil changes and upkeep
- Lubricants, Fluids & Sealants – Protect, seal, and maintain marine systems
Fuel, Steering & Control Parts
Reliable fuel delivery and responsive steering are critical on the water. Browse marine fuel parts and steering and controls to help maintain safer handling, smoother operation, and dependable performance.
- Fuel Parts – Components for reliable fuel system performance
- Steering & Controls – Parts that help improve control and handling
- Engine Instruments – Monitor key systems while underway
- Engine Tools – Tools for maintenance, repair, and service work
Anodes, Instruments & Service Tools
Small parts can make a big difference in long-term protection and performance. Shop marine anodes, engine instruments, and engine tools to help protect your boat, monitor performance, and complete service work more efficiently.
- Anodes – Help protect metal components from corrosion
- Engine Instruments – Gauges and monitoring products for marine engines
- Engine Tools – Service tools for DIY boaters and marine technicians
- Maintenance Supplies – Everyday essentials for seasonal upkeep
Yamaha Oil Change Kits & Routine Service Products
Staying ahead of routine service is one of the best ways to protect your investment. PowerBoatSupply.com also carries Yamaha oil change kits and other service products that make maintenance easier and more convenient.
- Oil Change Kits – Convenient service kits for scheduled maintenance
- Marine Oils – Protect engines under real boating conditions
- Sealants & Fluids – Support repairs, installs, and regular service
- Tools & Accessories – Make maintenance faster and cleaner
Why Buy Aftermarket Marine Parts from PowerBoatSupply.com?
PowerBoatSupply.com helps boat owners find reliable parts and maintenance products without the guesswork. From routine oil service to engine repair, fuel system work, corrosion protection, and steering maintenance, our aftermarket category is built to support the jobs boaters handle every season.
- Wide selection of aftermarket boat parts and marine supplies
- Products for DIY boat owners and marine professionals
- Helpful categories for seasonal service and repairs
- Fast shipping and dependable support
Shop aftermarket boat parts today and get the engine parts, oils, fuel components, steering supplies, anodes, tools, and maintenance products you need to keep your boat ready for the water.