Aftermarket Parts
-
Special Order! See availaility for details
Martyr Anodes 63 Mm Max Prop Nut Cmmp63Rz
Martyr Anodes
$18.69 $10.99Martyr Anodes 63 Mm Max Prop Nut Cmmp63Rz Comes with cast-in insert. Zinc for saltwater use.- Part Number:
- 194-CMMP63RZ
- Availability:
- In Stock - Ships same or next business day.
- Size:
- 63 mm
- OD:
- 2-3/8"
- Material:
- Zinc
$18.69 $10.99 -
Martyr Anodes Hull Anode 4" x 6" Plate Cmdivermini
Martyr Anodes
$41.19 $26.05Martyr Anodes Hull Anode 4" x 6" Plate Cmdivermini- Part Number:
- 194-CMDIVERMINI
- Availability:
- In Stock - Ships same or next business day.
- Size:
- 6" x 4" x 1/2"
- Hole:
- 1/2" x 1-1/4" 4-1/4"
- Material:
- Zinc
$41.19 $26.05 -
Martyr Anodes Zinc Doka Sea Strainer Cm656934Z
Martyr Anodes
$14.19 $7.51Martyr Anodes Zinc Doka Sea Strainer Cm656934Z Zinc: For use in salt waterAluminum: For use in brackish waterMagnesium: For use in fresh water- Part Number:
- 194-CM656934Z
- Availability:
- In Stock - Ships same or next business day.
- Size:
- 3-1/4" L x 1-1/4" W x 1/2" H
- Hole:
- 1-13/16"
- Material:
- Zinc
$14.19 $7.51 -
Perko FlushPro Inboard Engine Fresh Water Flush Kit (1 Inch Hose) 0457Dp6
Perko
$327.99 $285.98Flush Pro Valve Kit - 1"Finally! Freshwater flushing of your inboard is a- Part Number:
- 9-0457DP6
- Availability:
- In Stock - Ships same or next business day.
- Hose:
- 1"
$327.99 $285.98 -
Racor Filter-Replacement B32013 Merc O/B S3213
Racor
$52.79 $37.03Racor Filter-Replacement B32013 Merc O/B S3213 Aquabloc® II filter replacement elements are offered as retrofits to Racor clear or metal bowl filter assemblies Long-life with 98% filtration...- Part Number:
- 62-S3213
- Availability:
- In Stock - Ships same or next business day.
- Description:
- Element
- Micron:
- 10
- For:
- B32013
- Application:
- Mercury O/B
$52.79 $37.03 -
Seachoice Fuel Pump Gold-Flokt 5.5-4Psi 12V 20301
Seachoice
$269.84 $170.12Seachoice Fuel Pump Gold-Flokt 5.5-4Psi 12V 20301 This rugged, lightweight, solid state fuel pump provides the high output performance required by heavy duty construction, agricultural, industrial,...- Part Number:
- 50-20301
- Availability:
- In Stock - Ships same or next business day.
- PSI:
- 5.5 - 4
- GPH:
- 34
- OEM #:
- 40131E
- Volts:
- 12
$269.84 $170.12 -
Seastar Back Mount Rack Nfb Helm Sh5230P
Seastar
$228.29 $176.26Seastar Back Mount Rack Nfb Helm Sh5230P Four bolts and nuts secure cable's rack housing to helm Dual cable has one rack housing with two cables attached. Single helm works on both single and...- Part Number:
- 1-SH5230P
- Availability:
- In Stock - Ships same or next business day.
$228.29 $176.26 -
Sold Out, please call for ETA.
Seastar Clutch Detent Kit S And Twin S 22328
Seastar
$60.95Seastar Clutch Detent Kit S And Twin S 22328- Part Number:
- 1-022328
- Availability:
- In Stock - Ships same or next business day.
- Description:
- Clutch Detent Kit
$60.95 -
Seastar Dual Cyl Purge Hose For Ha5445 Ha5461
Seastar
$459.19 $330.78Seastar Dual Cyl Purge Hose For Ha5445 Ha5461- Part Number:
- 1-HA5461
- Availability:
- In Stock - Ships same or next business day.
- Description:
- 2 Cylinder adapter
$459.19 $330.78 -
Seastar Elbow Fit.Tube 3/8 Npt Male Hf5534
Seastar
$47.89 $37.99Seastar Elbow Fit.Tube 3/8 Npt Male Hf5534All Older Style SeaStar manual hydraulic steering systems. These are 3/8" compression fittings which utilize a 9/16"-24 extra fine thread. (Seastar Solutions...- Part Number:
- 1-HF5534
- Availability:
- In Stock - Ships same or next business day.
- Type:
- Elbow Fitting
- Material:
- Brass
- Bag:
- 3
$47.89 $37.99 -
Seastar Hose Kit-2Pc Seastar O/B 6 Ft Ho5106
Seastar
$201.59 $147.95Seastar Hose Kit-2Pc Seastar O/B 6 Ft Ho5106 Includes two hoses - can be used with all SeaStar systems, except SeaStar PRO, BayStar, Capilano and 3-line inboard systems. ID of 5/16".- Part Number:
- 1-HO5106
- Availability:
- In Stock - Ships same or next business day.
- Length:
- 6'
- Box:
- 2
$201.59 $147.95 -
Seastar Kit Changes Hc4645 Into Hc4648 Ha4642
Seastar
$200.89 $119.99Seastar Kit Changes Hc4645 Into Hc4648 Ha4642- Part Number:
- 1-HA4642
- Availability:
- In Stock - Ships same or next business day.
- Description:
- Adapter Plate
- For:
- J/E '77-'89. 65-150 hp
- Fits:
- HC4645
$200.89 $119.99 -
Seastar Seal Kit F/Hc5313-Old #Hs0773 Hs5155
Seastar
$85.59 $62.93Seastar Seal Kit F/Hc5313-Old #Hs0773 Hs5155- Part Number:
- 1-HS5155
- Availability:
- In Stock - Ships same or next business day.
$85.59 $62.93 -
Seastar Service Kit For Seastar Helms Hp6032
Seastar
$23.79 $15.99Seastar Service Kit For Seastar Helms Hp6032- Part Number:
- 1-HP6032
- Availability:
- In Stock - Ships same or next business day.
- Description:
- Kit for Seastar helms 1990-newer - Baystar HH4313 - HH43133-3 HH4315 - HH4315-3
$23.79 $15.99 -
Seastar Twin Mt3 Top Mount Dual Func Lev Ch5300P
Seastar
$960.49 $644.72Seastar Twin Mt3 Top Mount Dual Func Lev Ch5300P Combines classic binnacle styling with dual function levers, a neutral safety switch, and an engine warm-up feature. Now features longer shift travel...- Part Number:
- 1-CH5300P
- Availability:
- In Stock - Ships same or next business day.
- Description:
- Twin Control - Dual Function
$960.49 $644.72 -
Special Order! See availaility for details
Sherwood Pump Raw Water Pump Cummins Qsb P2708X
Sherwood Pump
$1,232.89 $930.24Sherwood Pump Pump-Cummins Qsb P2708X Impeller Kit: 27000K Minor Repair Kit: 25125 Major Repair Kit: 25126 Sold w/o port elbows- Part Number:
- 762-P2708X
- Availability:
- In Stock - Ships same or next business day.
- Engine:
- Cummins QSB
- Replaces:
- P2701X
$1,232.89 $930.24 -
Sierra 393088 OMC Fuel Pump Kit 18-7823
Sierra
$18.39 $14.99Sierra 393088 OMC Fuel Pump Kit 18-7823- Part Number:
- 47-7823
- Availability:
- In Stock - Ships same or next business day.
$18.39 $14.99 -
Sierra Amega Tachometer 7Krpm-Gas Ob-Io-Ib 58255P
Sierra
$148.39 $92.98Sierra Amega Tachometer 7Krpm-Gas Ob-Io-Ib 58255PSmart white and red graphics on a black dial background; these very low profile bezels follow the curve of the lenses to eliminate water trapping...- Part Number:
- 11-58255P
- Availability:
- In Stock - Ships same or next business day.
- Size:
- 3"
- Type:
- Tachometer
- Dial Range:
- 0-7000 rpm
- Sender Code:
- O/B Alt or Coil
$148.39 $92.98 -
Sierra Belt MerCruiser 57-69143Q OMC 311606 18-15400
Sierra
$39.49 $26.69Sierra Belt MerCruiser 57-69143Q OMC 311606 18-15400High strength synthetic cords resist shockload failure.The compression section is a special rubber compound that assures smooth and even transfer...- Part Number:
- 47-15400
- Availability:
- In Stock - Ships same or next business day.
- Eff. Length:
- 40"
- Top Width:
- 29/64"
- OEM #:
- 57-32850 - 57-69143T - OMC 311606
$39.49 $26.69 -
Sierra C-Water Pump Kit-Mc & Mercury 18-3317
Sierra
$87.89 $61.22Sierra C-Water Pump Kit-Mc & Mercury 18-3317- Part Number:
- 47-3317
- Availability:
- In Stock - Ships same or next business day.
- Replaces:
- 46 96148A 8
$87.89 $61.22
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.