2000# Trailer Axle Brake Backing Plate Mount Flange 1.64" size spindle axel (004-034-00)

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2,000 lb Trailer Axle Brake Backing Plate Mount Flange – 1.64″ Spindle Size

Part Number / SKU: 004-034-00

Standard 4-bolt brake mounting flange for 2,000 lb trailer axles with 1.64″ spindle diameter – fits most light-duty boat, utility, and cargo trailers.

About This Product

The Trailer Axle Brake Backing Plate Mount Flange provides a solid, precise mounting surface for brake assemblies on 2,000 lb axles. This 4-bolt welded-on flange is machined to fit axles using a 1.64″ spindle shoulder, ensuring correct brake alignment and reliable braking performance.

Features

4-bolt pattern brake mounting flange for 2,000 lb axles
Weld-on design fits 1.64″ spindle shoulder diameter
Accepts standard 7″ electric or hydraulic backing plates
Machined for square, true brake plate alignment
Forged-steel construction with corrosion-resistant black finish
Ideal for utility, cargo, and small boat trailers

Specifications

Specification	Detail
Part Number / SKU	004-034-00
Axle Capacity	2,000 lb
Spindle Shoulder Diameter	1.64″
Mount Type	Weld-on Brake Flange
Bolt Pattern	4-Bolt Standard (7″ Brake)
Material	Forged Steel
Finish	Black Coated / Unpainted Weld Surface
Outer Diameter	≈ 2.875″
Thickness	0.25″ (¼″ Steel)
Sold As	Individual Flange (1 pc)

Fitment & Applications

Fits most 2,000 lb trailer axles using 7″ brake assemblies
Works with electric or hydraulic brake systems
Compatible with Dexter, Lippert, Rockwell, and similar spindle profiles (1.64″ shoulder)
Use for replacement or new-axle fabrication

Note: Welding should be performed by a qualified technician. Verify spindle alignment and brake offset prior to final weld. Sold individually – order two for a complete axle.

2,000 lb Trailer Axle Brake Backing Plate Mount Flange 1.64 inch Spindle