Original: $46.30
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$16.20The Story
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Classic Marine Universal Adapter â Motive Power Bleeder Cap for Boat & Trailer Brakes
Convert your Motive Power Bleeder into a one-person marine brake bleeder with the Classic Marine Universal Adapter. Designed to seal securely to round metal or plastic master cylinder reservoirs on most boat trailers, hydraulic surge actuators, and vintage inboard/outboard craft, it delivers a fast, leak-free setup in seconds.
| Feature | Benefit |
|---|---|
| Universal round-cap fit (â 2.8 â 3.2 in OD) | Covers EZ-Loader, ShoreLandâr, Dexter, Titan, and many classic marine systems. |
| Adjustable chain-&-hook clamp | Thumb-screw tensioner delivers even pressure for a drip-free sealâno special tools. |
| Œ-in NPT quick-connect nipple | Snaps to any Motive Power Bleeder hose for instant pressurization up to 20 psi. |
| Marine-grade plating & VitonÂź gasket | Resists salt-spray corrosion and aggressive DOT 3/4 brake fluids. |
| One-person operation | Maintain or flush brakes soloâperfect at the dock, the ramp, or the shop. |
Whether youâre servicing a tandem-axle trailer, bleeding a surge-brake actuator, or restoring a classic wooden runabout, the Classic Marine Universal Adapter delivers fast, clean, professional-grade results and helps keep corrosive brake fluid off gel-coat and deck hardware.
Cap outside diameter should measure ~2.8â3.2 inches (71â81 mm). For rectangular marine reservoirs or automotive master cylinders, see Motiveâs adapter guide.

Details & Craftsmanship
Every detail has been carefully considered to bring you the perfect product.

Details & Craftsmanship
Every detail has been carefully considered to bring you the perfect product.

Details & Craftsmanship
Every detail has been carefully considered to bring you the perfect product.
Description
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Classic Marine Universal Adapter â Motive Power Bleeder Cap for Boat & Trailer Brakes
Convert your Motive Power Bleeder into a one-person marine brake bleeder with the Classic Marine Universal Adapter. Designed to seal securely to round metal or plastic master cylinder reservoirs on most boat trailers, hydraulic surge actuators, and vintage inboard/outboard craft, it delivers a fast, leak-free setup in seconds.
| Feature | Benefit |
|---|---|
| Universal round-cap fit (â 2.8 â 3.2 in OD) | Covers EZ-Loader, ShoreLandâr, Dexter, Titan, and many classic marine systems. |
| Adjustable chain-&-hook clamp | Thumb-screw tensioner delivers even pressure for a drip-free sealâno special tools. |
| Œ-in NPT quick-connect nipple | Snaps to any Motive Power Bleeder hose for instant pressurization up to 20 psi. |
| Marine-grade plating & VitonÂź gasket | Resists salt-spray corrosion and aggressive DOT 3/4 brake fluids. |
| One-person operation | Maintain or flush brakes soloâperfect at the dock, the ramp, or the shop. |
Whether youâre servicing a tandem-axle trailer, bleeding a surge-brake actuator, or restoring a classic wooden runabout, the Classic Marine Universal Adapter delivers fast, clean, professional-grade results and helps keep corrosive brake fluid off gel-coat and deck hardware.
Cap outside diameter should measure ~2.8â3.2 inches (71â81 mm). For rectangular marine reservoirs or automotive master cylinders, see Motiveâs adapter guide.






















