Description
DEXTER STYLE ELECTRIC BRAKE ASSEMBLY 12-1/4" X 3-3/8" RH – 10,000 LB, NEVER ADJUST, 7-BOLT
PART NUMBER(S):
Fleet Products: FP12-1222SA (New) | OE: K23-451, K23-451-00, 12-1222SA, 23-452
DESCRIPTION:
Model: 12-1/4" x 3-3/8" RH Electric Self-Adjusting
Vehicles: 10,000 lb axle trailers (Dexter, Lippert, AL-KO, Rockwell American, Quality, etc.)
• Brake Size: 12.25" diameter x 3.375" width
• Load Capacity: 10,000 lbs per axle
• Mounting Pattern: 7-bolt flange
• Orientation: Right-hand (passenger side)
• Brake Type: Electric, Self-Adjusting ("Never Adjust")
• Wiring: Dual non-polarized leads
• Plate Finish: Painted or E-coated for corrosion resistance
• Features: Includes adjuster access ports with rubber plugs
• Compatibility: For use with standard 12-1/4" x 3-3/8" drum assemblies
Applications:
Ideal for commercial and industrial trailers equipped with 10K-rated axles including livestock trailers, flatbeds, utility trailers, RV haulers, and car carriers. Compatible with axle assemblies from Dexter, Lippert, AL-KO, Rockwell, and others. Ensures consistent brake force with self-adjusting design for low maintenance.
CROSS-REFERENCE(S):
023-451-00, 02345100, K23-451-00, K2345100, 186255, 188915, 23-451, 23451, EB01-145, EB01145, FP12-1222BSA, K23-452-00, 023-452-00, 023-452-01, K23-452-01, K23-452, 12-1222SA, 122238, AKEBRK-10R-SA, B12E-22-NA, 4705-R, EB01-105, 363388.2, NUP89223, RD12-1222, B1210H42, UTR023-452-00, 160.23451
A cross-reference listing means this part should be a suitable replacement for the part numbers listed. Please confirm all dimensions match your application before installing.
IMPORTANT INSTALLATION NOTES:
✔ Installs to 7-bolt axle flange using standard hardware
✔ Non-polarized dual-lead wiring — either wire can connect to power or ground
✔ Designed for use with 12-1/4" x 3-3/8" drum/hub assemblies
✔ Self-adjusting mechanism eliminates the need for manual clearance checks
✔ Always replace RH and LH assemblies together for balanced braking
✔ Inspect pads, electrical integrity, and drum interface during install
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Warranty Information
Reviews
1 Review
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Exactly what I needed for my flatbed
Running these 12-1/4" × 3-3/8" assemblies on my tandem 10K trailer. The right-hand unit matched perfectly with my existing left side. Bolted right up, no grinding or shimming needed. Stopping power feels stronger and smoother than before. Arrived earlier than the estimate.
