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Load Rite Knott Disc Brake Caliper w/Brake Pads Left Side - 4265.48K
$133.99
$299.99
Unit price
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SKU:
109085
Manufacturer Part #: 4265.48K
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Load Rite Knott Disc Brake Caliper w/Brake Pads Left Side - 4265.48K
Keep your trailering safe and fully operational with the Load Rite Knott Disc Brake Caliper with Pads – Left Side (Part # 4265.48K). Designed as an exact OEM replacement for Load Rite boat trailers equipped with Knott-Autoflex braking systems, this caliper unit ensures reliable stopping power during every launch and retrieve.
Marine trailer brakes endure continuous submersion, thermal shock, and exposure to road debris and salt. The Knott 4265.48K caliper is built specifically to meet these demands, featuring a high-durability protective finish and corrosion-resistant internal components. Pre-assembled with marine-grade ceramic brake pads, it installs directly out of the box to restore smooth, consistent braking force to your trailer's left (driver) side.
Key Features & Marine-Grade Construction
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E-Coated Corrosion Protection: Features an electro-deposited protective coating over the body and hardware, engineered to resist rust and galvanic corrosion from both saltwater and freshwater exposure.
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Pre-Loaded with Marine Pads: Comes pre-assembled with low-dust, high-friction ceramic/semi-metallic brake pads designed to resist fade and maintain stopping power when wet.
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Direct-Fit OEM Replacement: Designed specifically for Load Rite trailers utilizing Knott-Autoflex disc brake setups, eliminating fitment guesswork or custom brackets.
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Stainless Steel Piston: Utilizes a corrosion-resistant piston to prevent binding and piston stick caused by saltwater intrusion and internal humidity.
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Accessible Bleeder Port: Features a top-mounted brass bleeder screw positioned for easy access during single-person hydraulic system bleeding.
Technical Specifications
| Feature | Specification |
| Part Number | 4265.48K (also listed as 4265.48) |
| Position | Left Side (Driver Side / Port) |
| Manufacturer | Knott-Autoflex (OEM for Load Rite) |
| Finish | E-Coated / Galvanized Protection |
| Inland/Coastal Rating | Saltwater & Freshwater Rated |
| Included Components | Caliper Body, Piston, Bleeder Valve, Pre-Installed Pads |
| Fluid Compatibility | DOT 3 or DOT 4 Marine Hydraulic Brake Fluid |
Maintenance & Installation Best Practices
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Bleeding Position: Verify the bleeder screw is situated at the top of the caliper body once mounted. Trapped air rises to the top, ensuring a firm brake pedal/actuator response when bled.
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Hardware & Torque: Inspect caliper mounting slides and bracket bolts during replacement. Torque mounting bolts to 40–50 ft-lbs using medium-strength threadlocker.
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Axle Balance: When replacing a caliper due to corrosion or piston failure, inspect the right-side caliper (4265.49K) and replace in pairs to maintain even braking pressure across the axle.
BRAND: Load Rite
Manufacturer Part Number: 4265.48K
Load Rite Knott Disc Brake Caliper w/Brake Pads Left Side - 4265.48K is backordered and will ship as soon as it is back in stock.
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