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Basic Kit 5x5 Drum 3500# 10" Self Adjusting Backing Plate Right & Left Trailer (94550-B-FSA-IMP)

$231.48
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At a Glance

  • SKU: 94550-B-FSA-IMP
PRODUCT INFORMATION

Product Details

R & P Carriages

5 x 5 Bolt Pattern Trailer Brake & Drum Kit
10" Self-Adjusting Electric Brakes — 3,500 lb Axle

Part Number: 94550-B-FSA-IMP

Complete self-adjusting electric brake and drum kit for one braked trailer axle. Commonly used on standard 3,500 lb trailer axles equipped with 10" × 2.25" electric brakes and a 5 on 5" wheel bolt pattern.

This kit replaces all braking and rotating components from the backing plates outward, including brake assemblies, drums, bearings, seals, and hardware for both sides of the axle.

Key Features

  • Self-adjusting electric brakes for consistent braking performance
  • Complete kit for both sides of one axle
  • Common 5 on 5" GM-style wheel bolt pattern
  • Includes drums, bearings, seals, hardware, and dust caps
  • Designed for standard 3,500 lb trailer axles

Kit Includes (One Axle)

  • (2) Self-adjusting electric brake backing plates — 10" × 2.25"
  • (2) Brake drums with races pre-installed — 5 on 5" bolt pattern
  • (2) Inner grease seals — 10-19 (1.70" ID)
  • (2) Inner bearings — L68149
  • (2) Outer bearings — L44649
  • (10) 1/2"-20 lug nuts
  • (2) EZ-Lube style dust caps
  • Backing plate mounting hardware (7/16" nuts)
  • Complete brake hardware, springs, magnets, shoes, and levers

Specifications

Axle Rating 3,500 lb
Brake Type Electric, self-adjusting
Brake Size 10" × 2.25"
Brake Mount 4-bolt flange
Wheel Bolt Pattern 5 on 5"
Stud Size 1/2"-20
Backing Plate Bolt Spacing 2-7/8" center-to-center

Commonly used on 3,500 lb axles from Dexter, AL-KO, AXIS, Quality, and similar manufacturers. Verify axle tube diameter, brake flange bolt pattern, bearing sizes, and wheel clearance before ordering.

94550-B-FSA-IMP L68149 L44649 10-19 5 on 5 10x2.25

Related Parts & Kits

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BEHIND THIS LISTING
PHOTOGRAPHY & RESEARCH Ariah Granados Ariah’s handwritten signature
DIGITAL PRESENTATION & DEVELOPMENT Ken Martin Ken’s handwritten signature
ONLINE SALES & QUALITY ASSURANCE Rayn Fisher
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815-357-3292  ·  270 E Jackson St  ·  Seneca, IL 61360

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Ordered trailer repair parts repeatedly; praised fast service, careful packing, and accurate orders.

Luke HeiserOCT 2026
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Found the correct RV keys at a good price with free shipping; the keys worked as expected.

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Needed an unusual axle and leaf-spring size; the team listened and helped him sort out the fit.

Cory StrubertOCT 2026
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