UFP / Dexter DB-35 Boat Trailer Disc Brake Caliper — Left Side — Zinc Plated
Left-hand DB-35 disc brake caliper for boat trailer hydraulic disc brake applications. Designed for compatible UFP by Dexter DB-35 brake systems using DB35 hub and rotor assemblies. Important Note : Replacement for UFP (41050LU) DB-35
Overview
This left-side DB-35 disc brake caliper is a replacement solution for boat trailers equipped with compatible UFP by Dexter DB-35 hydraulic disc brake systems. It is designed for use with DB35 hub and rotor assemblies and features a zinc plated finish for corrosion resistance in marine trailer environments where water exposure, road spray, and launch ramp use are common.
R&P Service Insight
Caliper orientation matters. A left-hand caliper must match the existing brake layout so the hydraulic connection, bleeder position, rotor alignment, and mounting bracket relationship are correct during installation.
- Side Specific: This listing is for the left-hand side caliper only.
- Marine Use: Zinc plating helps resist corrosion from normal boat trailer water exposure.
- Fit Check: Confirm DB-35 brake system, rotor style, mounting bracket, and existing caliper orientation before ordering.
R&P Knowledge Hub
Compatibility: Designed for compatible UFP by Dexter DB-35 disc brake systems using DB35 hub and rotor assemblies.
Vehicle / System Fit: Commonly used on boat trailers with hydraulic disc brake systems rated up to 3,700 lb axle applications.
Installation Notes: Verify left-hand orientation, rotor compatibility, caliper bracket fit, hydraulic connection, and included components before installation.
Performance Insight: Disc brake calipers apply clamping force to the rotor when hydraulic pressure is delivered from the trailer’s surge brake actuator. The caliper pistons press the brake pads against the rotor to create friction and slow the trailer.
Brand & Fitment Note
Selling Brand / Application Reference: UFP / Dexter DB-35 application replacement.
Application Reference: Any OEM or platform names in this listing describe compatibility, fitment target, or application style only where supported by verified brake system, rotor, mounting, and orientation details.
What This Means: This listing is for a left-hand DB-35 boat trailer disc brake caliper for compatible UFP by Dexter DB-35 applications. It should not be assumed to fit every trailer without confirming the existing brake system.
Before Ordering: Verify brake system, rotor style, mounting bracket compatibility, left/right orientation, axle rating, and included components before installation.
R&P Repair Insight
Marine trailer calipers often need replacement when corrosion, sticking pistons, uneven pad wear, leakage, or poor braking performance appears. A caliper replacement should be matched carefully to the existing brake system rather than ordered by appearance alone.
- Confirm Orientation: This is the left-hand side caliper. Match it to the side being serviced.
- Check Rotor Fit: Confirm your trailer uses compatible DB35 hub and rotor assemblies.
- Inspect Related Parts: Review pads, retaining wire, brake lines, actuator function, and rotor condition during repair.
Features
DB-35 Brake System Fit
Designed as a replacement caliper for compatible UFP by Dexter DB-35 disc brake applications.
Left-Hand Installation
Side-specific caliper intended for the left side of the trailer axle brake assembly.
Zinc Plated Finish
Zinc plating provides corrosion resistance for boat trailers exposed to water, road spray, and marine conditions.
Service-Ready Components
Includes the left-hand DB35 caliper, brake pad set, and caliper retaining wire references listed below.
Specifications
| Specification | Detail |
|---|---|
| SKU / Part Number | 130-99-112 |
| Product Type | Boat Trailer Disc Brake Caliper |
| Brake System | DB-35 Disc Brake |
| Installation Side | Left Hand |
| Material / Finish | Zinc Plated |
| Compatible Rotor | DB35 Hub / Rotor Assemblies |
| Brake Rating | Up to 3,700 lb axle applications |
| Pad Replacement Reference | 31766UK |
| Retaining Wire Reference | 33006U |
Fitment / Application
| Category | Details |
|---|---|
| Trailer Type | Boat Trailer |
| Primary Fit | Compatible UFP by Dexter DB-35 hydraulic disc brake systems |
| Rotor Application | DB35 hub and rotor assemblies |
| Notes | Verify existing caliper side, rotor type, mounting bracket compatibility, and brake system before ordering. This listing is for one left-hand caliper assembly only. |
Included Components
| Quantity | Item |
|---|---|
| 1 | Left Hand DB35 Brake Caliper — 130-99-112 |
| 1 | Brake Pad Set — replaces 31766UK |
| 1 | Caliper Retaining Wire — replaces 33006U |
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