Aftermarket Parts
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Centek 3.00 Thru Hull Black with Flapper 1200299
Centek
$145.79 $105.54Centek 3.00 Thru Hull Black with Flapper 1200299- Part Number:
- 383-1200299
- Availability:
- In Stock - Ships same or next business day.
- Color:
- Black
- Hose:
- 3"
- Length:
- 5-1/2"
$145.79 $105.54 -
GROCO 1/2" NPT Bronze Inline Fuel Valve FV-500
Groco
$49.00 $36.991/2" NPT Bronze Inline Fuel Valve Features: Selectable handle rotation Full flow Mount foot included C83600 bronze construction Stainless steel handle and hardware 400 WOG PTFE seats and...- Part Number:
- 34-FV500
- Availability:
- In Stock - Ships same or next business day.
- Size:
- 1/2" NPT
- A:
- 4.1
- B:
- 2.2
- C:
- 1.85
- D:
- 2.05
$49.00 $36.99 -
Martyr Anodes 1 1/4 Zinc Shaft Anode Cmx05
Martyr Anodes
$14.39 $14.03Martyr Anodes 1 1/4 Zinc Shaft Anode Cmx05 Aluminum for salt and brackish waterMagnesium for fresh waterZinc for salt water- Part Number:
- 194-CMX05
- Availability:
- In Stock - Ships same or next business day.
- ID:
- 1-1/4"
- OD:
- 2-1/2"
- Length:
- 2-1/2"
- Material:
- Zinc
$14.39 $14.03 -
Seastar Back Mount Rack Helm Sh5210P
Seastar
$113.59 $86.99Seastar Back Mount Rack Helm Sh5210P HPS&trade, Rack by Seastar Solutions is the best 4-turn way to steer a power-assisted sterndrive or outboard! Ideal for small inboardsand ski boats too, HPS...- Part Number:
- 1-SH5210P
- Availability:
- In Stock - Ships same or next business day.
- Type:
- Back Mount Rack Helm
$113.59 $86.99 -
Seastar Back Mount Rack Tilt Helm Sh91610P
Seastar
$158.39 $120.77Seastar Back Mount Rack Tilt Helm Sh91610P Back mount single-cable rack & pinion helm. Requires separate tilt mechanism SH91800P.- Part Number:
- 1-SH91610P
- Availability:
- In Stock - Ships same or next business day.
$158.39 $120.77 -
Sherwood Pump Pump-Onan# 132-0358 G702
Sherwood Pump
$601.69 $417.14Sherwood Pump Pump-Onan# 132-0358 G702 Impeller Kit: 10077K- Part Number:
- 762-G702
- Availability:
- In Stock - Ships same or next business day.
- Engine:
- Onan 6.5-10 KW
- OEM #:
- 132-0358
- Inlet:
- 1"
- Outlet:
- 1"
$601.69 $417.14 -
Sierra Carburetor Kit Suz 13910-95D00 18-7755
Sierra
$58.39 $42.80Sierra Carburetor Kit Suz 13910-95D00 18-7755- Part Number:
- 47-7755
- Availability:
- In Stock - Ships same or next business day.
$58.39 $42.80 -
Sierra Exhaust Manifold Gasket Setsm Blkv8M- 18-4349
Sierra
$44.09 $33.20Sierra Exhaust Manifold Gasket Setsm Blkv8M- 18-4349- Part Number:
- 47-4349
- Availability:
- In Stock - Ships same or next business day.
$44.09 $33.20 -
Sold Out, please call for ETA.
Sierra MerCruiser Cc Intake Manifold Gasket Set 18-0868
Sierra
$34.28Sierra MerCruiser Cc Intake Manifold Gasket Set 18-0868- Part Number:
- 47-0868
- Availability:
- In Stock - Ships same or next business day.
$34.28 -
Sold Out, please call for ETA.
Sierra Pkg Needle Hi&Lo 18-7106
Sierra
$1.77Sierra Pkg Needle Hi&Lo 18-7106- Part Number:
- 47-7106
- Availability:
- In Stock - Ships same or next business day.
$1.77 -
Sierra Riser Spacer Kit-3 Marine Power 18-1908K
Sierra
$502.79 $400.39Sierra Riser Spacer Kit-3 Marine Power 18-1908K- Part Number:
- 47-1908K
- Availability:
- In Stock - Ships same or next business day.
- Application:
- Marine Power small block V8 305 - 350 - 4.3L - 454 - 5.0L - 7.4L & 8.2L. Complete with mounting hardware and 3" center rise. Use with manifold 19521
$502.79 $400.39 -
Sierra Shift Cable-MerCruiser #865437A02 18-2145
Sierra
$171.49 $128.57Sierra Shift Cable-MerCruiser #865437A02 18-214547-2190 & 47-2190E: For AFT installation into bell housing. For use in applications using core wire with armored strand construction (No Support Tube)...- Part Number:
- 47-2145
- Availability:
- In Stock - Ships same or next business day.
- Replaces:
- 815471A3 - A6
$171.49 $128.57 -
Uflex Rotech Steering System
Uflex
$286.39 $212.89Uflex Rotech Steering System Featuring the Planetary Gear designed helm, the Rotech delivers the ultimate in durability, reduced torque loads, and more balanced steering effort. A direct "drop in"...- Part Number:
- NW-216ROTECH
- Availability:
- In Stock - Ships same or next business day.
$286.39 $212.89 -
Attwood Marine SS Fuel Tank Vent Strgt Card 66031-3
Attwood Marine
$56.65 $29.45Attwood Marine SS Fuel Tank Vent Strgt Card 66031-3 316 Stainless Steel. On the exterior, they have a smooth edge over the competition. There is no protruding cap to cause damage- or be damaged by-...- Part Number:
- 23-660313
- Availability:
- In Stock - Ships same or next business day.
- Type:
- Straight
- Hose:
- 5/8" I.D.
- Max Hull Thickness:
- 7/8"
- Hole:
- 1-3/8"
$56.65 $29.45 -
Camco DIY RV Boat Marine Winterize Engine Anti-freeze Flush System KIT 65501
Camco
$72.99 $49.99Camco DIY RV Boat Marine Winterize Engine Anti-freeze Flush System KIT 65501Quickly and efficiently service inboard/outboard marine engines. The Do-It-Yourself Winterizer allows flushing and...- Part Number:
- 117-65501
- Availability:
- In Stock - Ships same or next business day.
$72.99 $49.99 -
Martyr Anodes 1 1/4 Zinc Shaft Anode Ext Heavy Cmx05A
Martyr Anodes
$25.29 $15.92Martyr Anodes 1 1/4 Zinc Shaft Anode Ext Heavy Cmx05AAluminum for salt and brackish waterMagnesium for fresh waterZinc for salt water- Part Number:
- 194-CMX05A
- Availability:
- In Stock - Ships same or next business day.
- ID:
- 1-1/4" Heavy Duty
- OD:
- 2-3/4"
- Length:
- 2-1/2"
- Material:
- Zinc
$25.29 $15.92 -
NGK Spark Plugs 3133 Spark Plug 3133
NGK Spark Plugs
$20.39 $10.93NGK Spark Plugs 3133 Spark Plug 3133 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-BPZ8HS10
- Availability:
- In Stock - Ships same or next business day.
- Model #:
- 3133
- Pkg.:
- Boxed
- What's in the Box:
- (1) Spark Plug
$20.39 $10.93 -
NGK Spark Plugs 5887 Spark Plug 5887
NGK Spark Plugs
$30.69 $16.90NGK Spark Plugs 5887 Spark Plug 5887 Original equipment on many late model applications Iridium at the fine-wire center electrode and platinum at the ground electrode provides maximum...- Part Number:
- 41-IZFR5G
- Availability:
- In Stock - Ships same or next business day.
- Model #:
- 5887
- What's in the Box:
- (1) Spark Plug
$30.69 $16.90 -
NGK Spark Plugs Br8Es Spark Plug 5422
NGK Spark Plugs
$6.62 $4.59NGK Spark Plugs Br8Es Spark Plug 5422 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:
- 41-5422
- Availability:
- In Stock - Ships same or next business day.
- Model #:
- BR8ES
- Pkg.:
- Boxed
$6.62 $4.59 -
Seachoice Marine Boat Adj Fuel Tank Sender 6-12" 15461
Seachoice
$48.98 $42.99Seachoice Adj Fuel Tank Sender 6-12" 15461 Can be used for gas or dieselMade of non-ferrous materials and compatible with 35 (full) to 240 (empty) ohm gaugesMounting screws and gasket included- Part Number:
- 50-15461
- Availability:
- In Stock - Ships same or next business day.
- Tank Depth:
- 6" to 12"
$48.98 $42.99
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.