EZLoaderParts411.com  |  SKU: 250-021787-10

EZ Loader 12" Upright Support Bunk Roller Bracket (250-021787-10)

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Description

EZ Loader 12" Upright Support Bunk Roller Bracket (250-021787-10)

Heavy-Duty. Adjustable Height. Built to Last.

The EZ Loader 12" Upright Support Bunk Roller Bracket is a purpose-built OEM component designed to provide elevated bunk or roller support on EZ Loader trailers. This design allows for precise height adjustment while maintaining a rigid, stable platform under load.

Constructed from galvanized steel, this bracket is engineered for long-term durability in both freshwater and saltwater environments. The 12" vertical height gives additional flexibility when dialing in proper hull support—especially important for deeper V-hulls, pontoons, and custom fitment setups.

Notably, EZ Loader is one of the only manufacturers using this upright support design, giving their trailers a more stable and adjustable bunk system compared to common low-profile brackets.

Product Details
Part Number: 250-021787-10
Fits: EZ Loader trailers using 3" × 3" trailer boom frames with bunk or roller systems
Part Type: Upright Support Bunk / Roller Bracket
Material: Galvanized Steel
Suspension Type: N/A (Frame-Mounted Component)
Dimensions: 3-1/2" L × 3-1/2" W × 12" H
Function: Provides adjustable vertical support for bunk boards or roller assemblies to maintain proper hull alignment and load distribution
Why Buyers Like This Part: OEM EZ Loader design, increased height adjustability, stronger support than standard brackets, reduces bunk flex, improves load stability
Important Fitment Note: Confirm your trailer uses a 3" × 3" frame and requires a vertical upright support bracket. Proper height and positioning are critical for correct hull support

Key Features

  • OEM EZ Loader Part — designed specifically for factory trailer configurations
  • 12" Vertical Upright Design — allows increased bunk/roller height adjustment
  • Galvanized Steel Construction — corrosion-resistant for long-term use
  • Multiple Mounting Holes — fine-tune bunk positioning and angle
  • Rigid Structural Support — reduces bunk flex and improves load stability
  • American Made — built for durability and consistent quality

Associated / Compatible Parts

The following components are commonly used with this bracket and will be linkable to the correct matching parts as they are added to EZLoaderParts411.com.

Part Description Part Number
Top Hat Bracket 250-022387-10
Hex Head Bolt (1/2" × 4-1/2") 290-001555
Hex Head Bolt (1/2" × 1-1/2") 300-130038
Lock Nut (3/8"-16) 3342-130000
Lag Screw/Bolt (5/16" × 1-1/2") 290-035256-S

Typical EZ Loader Trailer Applications

Commonly used across EZ Loader trailers ranging from 1,950 lb – 17,500 lb capacity, depending on bunk configuration, frame design, and intended application.

Installation Considerations

  • Designed to mount directly to 3" × 3" trailer boom frames
  • Works with bunk boards or roller assemblies depending on setup
  • Mounting hardware is not included — select based on your trailer configuration
  • Proper alignment is critical for correct hull support and loading performance

Fitment Guidance

This is not a one-size-fits-all mounting component.

  • Hull shape (V-hull, pontoon, flat bottom)
  • Bunk layout or roller system
  • Trailer frame configuration
  • Looking for a shorter upright? See the 9" version (250-021786-10)

Questions or Need Help Matching Parts?

We’re based in Hardeeville, South Carolina, serving customers across the Southeast and nationwide.

📞 Call us during normal business hours — if we’re not already on another call, we answer the phone and help you get it right.
📧 Prefer email? Send us your trailer details and photos and we’ll point you in the right direction.

At EZLoaderParts411.com, we focus on matching parts correctly the first time—not guesswork.

Real-World Insight

At EZLoaderParts411.com, upright brackets like this are typically used when standard bunk supports do not provide enough height or adjustment. They are common on setups where hull shape or trailer geometry requires a more tunable support system.

Getting the bracket height and positioning correct directly impacts how the boat loads, unloads, and rides on the trailer.

What to Have Ready When You Call

To help us match the correct part quickly, having a few details ready makes a big difference:

  • Trailer Year, Make, and Model
  • VIN (if available)
  • Basic Measurements (frame size, bracket height, spacing, or mounting points)
  • Photos of Your Trailer or Current Setup (highly recommended)

Photos are often the fastest way to confirm the correct part—especially when descriptions vary or part names aren’t known.

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