At a Glance

> Confirm DB35: Match your trailer brake system to UFP DB35 before purchasing.
> Check hardware condition: Replace missing, damaged, worn, or corroded caliper service hardware as needed.
> Service carefully: Inspect related brake components during installation and follow proper brake service practices.
> Match the system: Use only where the UFP DB35 application and included component numbers match your service need.
> Inspect related parts: Check the caliper body, pads, rotor, hydraulic connections, and fluid condition while servicing brake hardware.
Brand: R & P Carriages
SKU: TWDB35RBK

Before You Order

Match the part number, measurements and connection points that apply to your trailer.

Part Number	Compare the original manufacturer number when available.
Dimensions	Verify critical dimensions.
Connection	Confirm how the original part mounts or connects.
Rating	Verify capacity or electrical rating when applicable.

Product Details

Marine Trailer Disc Brake Service Kit

UFP DB35 Caliper Rebuild Kit for Marine Trailer Disc Brakes

Complete DB35 caliper hardware service kit for replacing spring clips, retaining wires, caliper bolts, slider pin boots, and slider boot plugs on compatible UFP DB35 marine trailer brake systems.

Part Number: TWDB35RBK Fits UFP DB35 Brake Systems One Complete Rebuild Kit

Key Measurements & Specs

Specification	Detail
Part Number / SKU	TWDB35RBK
Brand	UFP application service kit
Product Type	DB35 caliper rebuild / hardware kit
Brake System	UFP DB35 disc brake system
Caliper Bolt Size	1" length, 7/16"-20 thread size
Material / Finish	Not specified
Quantity Included	One complete kit with 18 total components

Fitment / Application

Category	Details
Trailer Type	Marine trailers equipped with compatible UFP DB35 brake components
Primary Fit	UFP DB35 brake system service applications
Fitment Method	Verify DB35 brake system and match included component numbers before ordering
Important Note	Confirm brake system model, existing hardware, and service needs before installation. This kit is not listed for DB42 or other brake systems.

Top Features

Feature	Buyer Benefit
DB35 service kit	Groups common caliper hardware service pieces into one convenient kit.
18-piece component set	Includes spring clips, retaining wires, caliper bolts, slider pin boots, and plugs.
Verified bolt detail	Includes four 33090U caliper bolts with 1" length and 7/16"-20 thread size.
Marine trailer application	Designed for service work on compatible UFP DB35 brake systems used on boat trailers.

Overview

The TWDB35RBK UFP DB35 Rebuild Kit is a caliper hardware service kit for compatible UFP DB35 marine trailer disc brake systems. This kit is used to replace the spring clips, retaining wires, caliper bolts, slider pin boots, and slider boot plugs during DB35 brake service.

R&P Service Insight

Brake hardware should be matched carefully to the brake system being serviced. DB35 and other UFP brake systems may use different hardware, so confirm the system and component numbers before ordering.

Confirm DB35: Match your trailer brake system to UFP DB35 before purchasing.
Check hardware condition: Replace missing, damaged, worn, or corroded caliper service hardware as needed.
Service carefully: Inspect related brake components during installation and follow proper brake service practices.

R&P Knowledge Hub

Compatibility: This kit is for compatible UFP DB35 brake system applications. Verify before ordering if your trailer brake system is not clearly identified as DB35.

Vehicle / System Fit: Marine trailer disc brake applications using the UFP DB35 brake system.

Installation Notes: Compare the included hardware against your existing brake components before installation. Brake work should be performed by a qualified person using safe service procedures.

Performance Insight: Caliper hardware such as clips, retaining wires, boots, plugs, and bolts helps support proper caliper assembly and service integrity when matched to the correct DB35 brake system.

Brand & Fitment Note

Selling Brand: UFP application service kit

Application Reference: UFP and DB35 names are used to identify the compatible brake system application.

What This Means: This listing is for one TWDB35RBK UFP DB35 caliper rebuild / hardware kit for compatible DB35 brake systems.

Before Ordering: Verify your brake system model, component numbers, bolt size, and included parts list before installation.

R&P Repair Insight

This kit is intended for DB35 caliper hardware service, not for replacing every possible brake component. Inspect pads, rotors, hydraulic lines, pistons, seals, bleeders, and caliper bodies separately if your brake issue involves braking performance, fluid leakage, uneven wear, or seized components.

Match the system: Use only where the UFP DB35 application and included component numbers match your service need.
Inspect related parts: Check the caliper body, pads, rotor, hydraulic connections, and fluid condition while servicing brake hardware.
Do not assume interchange: DB35 hardware should not be assumed to fit DB42 or other trailer disc brake systems.

Features

Complete DB35 Hardware Service Kit

Includes the key hardware pieces listed for servicing compatible UFP DB35 caliper assemblies.

Spring Clips Included

Comes with four 33003U spring clips for DB35 brake service applications.

Retaining Wires Included

Includes two 33006U retaining wires for compatible DB35 caliper hardware replacement.

Slider Boot Hardware Included

Includes four 33305U slider pin boots and four 33306U slider boot plugs.

Caliper Bolts Included

Includes four 33090U caliper bolts measuring 1" long with 7/16"-20 thread size.

Marine Trailer Brake Application

Built for service use on compatible UFP DB35 disc brake systems commonly found on marine trailers.

Included Components

Quantity	Part Number	Component	Details
4	33003U	Spring Clips	For compatible UFP DB35 brake service
2	33006U	Retaining Wires	For compatible UFP DB35 brake service
4	33090U	Caliper Bolts	1" length; 7/16"-20 thread size
4	33305U	Slider Pin Boots	For compatible UFP DB35 slider hardware service
4	33306U	Slider Boot Plugs	For compatible UFP DB35 slider boot service

Package Quantity: This listing includes one (1) TWDB35RBK rebuild kit with the components listed above.

Final Verification Note

Before ordering, verify that your trailer uses the UFP DB35 brake system and that the included hardware matches the components you need to replace. Fitment should be confirmed by brake system model and existing part numbers, not by trailer brand alone.

Verify Fitment Before Ordering

UFP DB35 rebuild kit TWDB35RBK, UFP DB35 caliper rebuild kit, DB35 brake hardware kit, marine trailer brake rebuild kit, boat trailer disc brake caliper hardware, 33003U spring clip, 33006U retaining wire, 33090U caliper bolt, 33305U slider pin boot, 33306U slider boot plug, R and P Carriages trailer brake parts.

UFP DB35 Caliper Rebuild Kit. Trailer. Boat. Marine (TWDB35RBK)