Paint & Maintenance
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GROCO Stainless Steel Hose Barb Thru-Hull Fitting - 1-1/8" HTH-1125-S
Groco
$43.00 $34.99Stainless Steel Hose Barb Thru-Hull Fitting - 1-1/8" Features: NPS Thread With Hose Connection #316 Stainless Steel UL Listed 647B- Part Number:
- 34-HTH1125S
- Availability:
- In Stock - Ships same or next business day.
- Thread NPS:
- 1"
- Hose ID:
- 1-1/8"
- A:
- 2.8
- B:
- 0.3
- C:
- 2.3
- D:
- 1.2
- E:
- 1.3
$43.00 $34.99 -
Sea-Dog Line Deckfill 1-1/2" Water No Key 357033
SEA-DOG LINE
$12.65 $11.23Sea-Dog Line Deckfill 1-1/2" Water No Key 357033Injection molded fiberglass filled nylon. Does not require grounding. Each deck fill has a special cap with a built-in key for easy cap removal. Cap threads are 1-1/4" x 11-1/2 NPSM-Straight. Gas, diesel; &...- Part Number:
- 354-357033
- Availability:
- In Stock - Ships same or next business day.
- Type:
- Water
- Color:
- Blue
- A:
- 1-1/2" Hose
- B:
- 2-1/2"
- C:
- 3-3/8"
- Pkg.:
- Bulk
$12.65 $11.23 -
Sierra Gas Lift 12In To 20In 60Lb Gs62800
Sierra
$36.99 $28.99Sierra Gas Lift 12In To 20In 60Lb Gs62800Marine grade; exact fit OE replacement gas filled supports. Nitride coated annealed steel rods for corrosion resistance. Features engineered polymer rod ends; bronze bushings and a unique multi-lobe internal seal...- Part Number:
- 11-GS62800
- Availability:
- In Stock - Ships same or next business day.
- Extended:
- 20"
- Compressed:
- 12"
- Stroke:
- 8"
- Force:
- 60 lbs.
$36.99 $28.99 -
Starbrite Screw Thread Adapter 40034
Starbrite
$10.99 $7.55Starbrite Screw Thread Adapter 40034 • Allows the use of screw thread accessories with Extend-A-Brush handles- Part Number:
- 74-40034
- Availability:
- In Stock - Ships same or next business day.
$10.99 $7.55 -
Starbrite Silicone Sealant Clear 300Ml 82122
Starbrite
$18.99 $16.82Starbrite Silicone Sealant Clear 300Ml 82122 • The #1 selling marine sealant is a 100% marine grade silicone that won't turn yellow, shrink or sag• Remains flexible from - 70°, to +480°, F• Bonds to fiberglass, plastic, wood, glass...- Part Number:
- 74-82122
- Availability:
- In Stock - Ships same or next business day.
- Size:
- 10.3 oz. cart.
- Color:
- Clear
$18.99 $16.82 -
Attwood Marine Neat Cleat 8" 66519-1
Attwood Marine
$196.99 $103.86Attwood Marine Neat Cleat 8" 66519-1A retractable stainless steel cleat with a thin profile that installs easily. Spring loaded stay up design. Each stanchion is a 7/8" stainless steel rod. Drainage receptacles (included) capture moisture and send it to...- Part Number:
- 23-665191
- Availability:
- In Stock - Ships same or next business day.
- Size:
- 8" L x 1-15/16" W
- Height:
- 2" (Lowered)
- Depth:
- 3-3/4"
$196.99 $103.86 -
Interlux VC Performance Epoxy Kit- 1/2 Gallon V127KITQ
Interlux
$107.59 $92.99Interlux VC Performance Epoxy Kit- 1/2 Gallon V127KitqHard Epoxy Finish for Performance and Trailered Boats - can be applied by roller for professional results For use on the bottoms of boats that do not require antifouling properties Semi-gloss...- Part Number:
- 94-V127KITQ
- Availability:
- In Stock - Ships same or next business day.
- Color:
- White
- Size:
- Half Gallon Kit
- Also avail in case of:
- 3
$107.59 $92.99 -
Sold Out, please call for ETA.
Johnson Pump Electro-Magnetic Float Switch 36152
Johnson Pump
$80.00 $46.77Johnson Pump Electro-Magnetic Float Switch 36152Compact mechanical switch. False start prevention, no mercury, high impact plastic and encapsulated electronics adds up to dependability. Activates pump at 2" water level, deactivates pump at ¾" water level...- Part Number:
- 189-36152
- Availability:
- In Stock - Ships same or next business day.
- Volts:
- 12
- Amps:
- 15
$80.00 $46.77 -
Rule Marine Boat 2000 gph Bilge Pump 12V Sv-10
Rule
$202.99 $149.99Rule 2000gph Pump 12V Sv-10 Designed for the toughest applications. Designed to produce the highest capacity available for a pump its size.106UL & 14A6UL: UL Listed and include 6' leads. Gold Series: feature a 5-year warranty.- Part Number:
- 29-10
- Availability:
- In Stock - Ships same or next business day.
- Description:
- Standard Series
- GPH:
- 2000
- Hose:
- 1-1/8"
- Volts:
- 12
- Amps:
- 8.4
$202.99 $149.99 -
Sold Out, please call for ETA.
Sea-Dog Line Replacement Drain Plug For 520051
SEA-DOG LINE
$2.41Sea-Dog Line Replacement Drain Plug For 520051- Part Number:
- 354-520051
- Availability:
- In Stock - Ships same or next business day.
- Description:
- Replacement Plug
- Pkg.:
- Bulk
$2.41 -
Special Order! See availaility for details
Seachoice 4 Twin Pack 3Mm Thick Roller 92301
Seachoice
$4.69 $4.10Seachoice 4 Twin Pack 3Mm Thick Roller 92301 Rollers are extra thick for longer painting action • Great for tight spots • Can be used with bottom paints • Polypropylene core- Part Number:
- 50-92301
- Availability:
- In Stock - Ships same or next business day.
- Size:
- 4"
- Color:
- Yellow
- Thickness:
- 3mm
- Pack:
- 1 pr.
$4.69 $4.10 -
Seachoice 9 Plastic Paint Tray Liner 92221
Seachoice
$2.99 $2.95Seachoice 9 Plastic Paint Tray Liner 92221- Part Number:
- 50-92221
- Availability:
- In Stock - Ships same or next business day.
- Description:
- Plastic Tray Liner
- Size:
- 9"
$2.99 $2.95 -
Attwood Marine Gas Spring 10" 20 Lb. Blade Sl1-20-5
Attwood Marine
$29.67 $19.99Attwood Marine Gas Spring 10" 20 Lb. Blade Sl1-20-5 Popular replacement gas springs. Made with bio-degradable, no hazard to water, grade oil (WGK), making them the marine industry's most environmentally friendly gas springs. All springs pass ASTM B117,...- Part Number:
- 23-SL1205
- Availability:
- In Stock - Ships same or next business day.
- Extended:
- 10"
- Compressed:
- 7"
- Stroke:
- 3
- Socket:
- 10mm Blade
- Force:
- 20 lbs.
- Rod:
- 8mm
$29.67 $19.99 -
Attwood Marine Gas Spring 20X11.75C 90Lb Sl34-90-5
Attwood Marine
$29.67 $19.99Attwood Marine Gas Spring 20X11.75C 90Lb Sl34-90-5 Popular replacement gas springs. Made with bio-degradable, no hazard to water, grade oil (WGK), making them the marine industry's most environmentally friendly gas springs. All springs pass ASTM B117,...- Part Number:
- 23-SL34905
- Availability:
- In Stock - Ships same or next business day.
- Extended:
- 20"
- Compressed:
- 12"
- Stroke:
- 8
- Socket:
- 10mm Composite
- Force:
- 90 lbs.
- Rod:
- 8mm
$29.67 $19.99 -
Beckson Marine 4 White Screw-In Deck Plate Dp40-W
Beckson Marine
$23.95 $20.96Beckson Marine 4 White Screw-In Deck Plate Dp40-WBeckson screw-out plates provide access without the use of tools, with a single start, non-jamming (no cross-thread), extra strong, self-cleaning buttress thread. A self-aligning center and an innovative...- Part Number:
- 35-DP40W
- Availability:
- In Stock - Ships same or next business day.
- ID:
- 4"
- OD:
- 6-1/8"
- Hole:
- 4-1/2"
- Color:
- White
- Center:
- Smooth
$23.95 $20.96 -
Boat Life Life Seal Cartridge - Clear 1169
BoatLIFE
$42.89 $26.99Boat Life Life Seal Cartridge - Clear 1169 Designed specifically for fiberglass boats. A fast-curing (24 hours) polyurethane/silicone adhesive sealant. Permanently flexible, non shrinking. Outstanding adhesion to fiberglass, glass, plastic and wood...- Part Number:
- 76-1169
- Availability:
- In Stock - Ships same or next business day.
- Size:
- 10.6 oz. cart.
- Color:
- Clear
$42.89 $26.99 -
Bomar Inspect Hatch White 14 x 31 G8103022
Bomar
$238.49 $194.99Bomar Inspect Hatch White 14 x 31 G8103022 Flush mounting, molded low profile hatch is fully gasketed with UV stabilized resin and non-skid surface. Comes with "T" handles for easy operation and stainless steel hinge pins.- Part Number:
- 49-G8103022
- Availability:
- In Stock - Ships same or next business day.
- ID:
- 9-3/4" x 26-3/4"
- OD:
- 14" x 31"
- Cut Out:
- 11-3/8" x 28-3/8"
- Color:
- Off-White
$238.49 $194.99 -
GROCO 1" NPS NPT Combo Bronze Thru-Hull Fitting w/Nut TH-1000-W
Groco
$33.00 $23.991" NPS NPT Combo Bronze Thru Hull Features: NPSM / NPT combination thread C83600 Bronze Sizes from 1/2" to 5" UL Listed 647B Available with (-W) or without nut (-L) BSPP and Stainless Steel models available- Part Number:
- 34-TH1000W
- Availability:
- In Stock - Ships same or next business day.
- Thread NPS:
- 1"
- A:
- 2.85
- B:
- 0.3
- C:
- 2.32
$33.00 $23.99 -
Seachoice Large Self Bailing Scupper 18281
Seachoice
$41.40 $40.99Seachoice Large Self Bailing Scupper 18281 Automatically seals and drains self bailing decksMade of polycarbonate materialSolid polyethylene ball and PVC seal mounts on transom above water line18271 and 18291 designed to retrofit Model 18261- Part Number:
- 50-18281
- Availability:
- In Stock - Ships same or next business day.
- Size:
- Large
- Fits:
- 1-1/2" - 3" openings
- Color:
- Clear
- Fastener:
- (6) #10
$41.40 $40.99 -
Beckson Marine 4 White Screw-In Dp with Clear Ctr Dp40-W-C
Beckson Marine
$33.90 $31.99Beckson Marine 4 White Screw-In Dp with Clear Ctr Dp40-W-C Beckson screw-out plates provide access without the use of tools, with a single start, non-jamming (no cross-thread), extra strong, self-cleaning buttress thread. A self-aligning center and an...- Part Number:
- 35-DP40WC
- Availability:
- In Stock - Ships same or next business day.
- ID:
- 4"
- OD:
- 6-1/8"
- Hole:
- 4-1/2"
- Color:
- White
- Center:
- Clear
$33.90 $31.99
Boat Paint & Maintenance Supplies
Keeping your boat clean, protected, and ready for the water starts with the right maintenance products. PowerBoatSupply.com carries a wide selection of boat paint and maintenance supplies, including cleaners, coatings, sanding products, sealants, repair materials, and everyday tools for routine upkeep.
Whether you're restoring a finish, repairing fiberglass, sealing hardware, or stocking up for seasonal maintenance, our selection helps DIY boat owners and marine professionals get the job done with confidence.
Essential Boat Maintenance Products
From quick cleanups to larger repair projects, having the right supplies on hand makes every job easier. Shop core maintenance categories like cleaners and solvents, sanding and buffing supplies, waxes and polishes, and cleaning equipment.
- Cleaners & Solvents – Remove grime, residue, stains, and buildup
- Sanding & Buffing – Prep, smooth, polish, and restore surfaces
- Waxes & Polishes – Protect gelcoat and improve shine
- Cleaning Equipment – Keep your boat ready for every trip
Paint, Epoxy, Fiberglass & Repair Supplies
Larger jobs require products that hold up in marine environments. Browse paint, epoxy and coating products, filler and fiberglass repair supplies, sealants and adhesives, putty, and West System products for repairs, refinishing, bonding, and structural maintenance.
- Paint, Epoxy & Coating – Protect and refinish marine surfaces
- Fiberglass Repair – Fix cracks, chips, wear, and surface damage
- Sealant & Adhesive – Bond, seal, and protect hardware and surfaces
- West System Products – Trusted epoxy solutions for marine repair
Tools, Hardware & Shop Essentials
The right tools and accessories help make maintenance faster and cleaner. Shop hardware, painting equipment, sprayers and bottles, buckets, air tool oil, and maintenance parts and accessories for everyday upkeep and project work.
- Painting Equipment – Brushes, rollers, trays, and prep tools
- Sprayers & Bottles – Apply cleaners, coatings, and treatments
- Hardware – Replacement parts and project essentials
- Maintenance Accessories – Helpful items for ongoing care
Seasonal Storage, Protection & Specialty Supplies
Boat maintenance is not just about cleaning and repairs. It also means protecting your boat during storage, transport, and changing weather. Find boat stands, dehumidifiers, protective clothing, marine carpet, teak products, and wood deck plugs to help keep your vessel in better condition year-round.
- Boat Stands – Support your boat during storage and service
- Dehumidifiers – Help reduce moisture in cabins and storage areas
- Teak Products – Clean, restore, and protect wood surfaces
- Protective Clothing – Stay safer during paint, repair, and cleaning work
Hoses, Tape & Sealing Products
For sealing, masking, rinsing, and cleanup, PowerBoatSupply.com also carries hoses, hoses and hose reels, hose nozzles and accessories, duct tape, foam and weatherseal tape, and packing and sealing tape.
Why Buy Boat Paint & Maintenance Supplies from PowerBoatSupply.com?
For decades, PowerBoatSupply.com has helped boaters find dependable marine parts, accessories, and maintenance products. Whether you're doing a quick cleanup, handling seasonal prep, or taking on a larger repair, our selection is built around products boaters can trust.
- Wide selection of marine maintenance supplies
- Products for DIY boat owners and marine professionals
- Fast shipping and dependable support
- Trusted marine-grade materials and brands
Shop boat paint and maintenance supplies today and get the cleaners, coatings, tools, repair products, and accessories you need to keep your boat looking great and performing season after season.