Description
DEXTER STYLE ELECTRIC BRAKE ASSEMBLY 12-1/4" X 3-3/8" LH – 10,000 LB, NEVER ADJUST, 7-BOLT
PART NUMBER(S):
Fleet Products: FP12-1221SA (New) | OE: 023-450-00, 23-450, K23-450-00, 23/450, K23-450, K23/450
DESCRIPTION:
Model: 12-1/4" x 3-3/8" LH Electric Self-Adjusting
Vehicles: 10,000 lb axle trailers (Dexter, AL-KO, Lippert, Rockwell American, Quality)
• Brake Size: 12.25" diameter x 3.375" width
• Load Capacity: 10,000 lbs per axle
• Mounting Pattern: 6-bolt flange
• Orientation: Left-hand (driver side)
• Brake Type: Electric, Self-Adjusting ("Never Adjust")
• Wiring: Dual non-polarized leads
• Plate Finish: Painted or E-coated for corrosion resistance
• Features: Rubber adjuster plug covers, OEM-grade friction components
• Compatibility: Matches standard 12-1/4" x 3-3/8" drums
Applications:
For use on high-capacity trailers such as livestock haulers, flatbeds, utility trailers, RVs, and heavy-duty commercial or industrial trailers equipped with 10K axles. Compatible with major axle systems from Dexter, Lippert, Rockwell, and AL-KO. Used in fleet, agriculture, and RV transport. Designed to provide consistent brake force without manual adjustments.
CROSS-REFERENCE(S):
023-450-00, 02345000, K23-450-00, K2345000, 186235, 188910, 23-450, 23450, EB01-140, EB01140, FP12-1221SA, 12-1221SA, K23-451-00, 023-451-00, K23-451, 23-451, 363387.2, B12E-21-NA, AKEBRK-10L-SA, 160.23450, NUP89222, 122237
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:
✔ Mounts to 7-bolt axle flange using included nuts
✔ Use with 12-1/4" x 3-3/8" compatible brake drums only
✔ Connect either wire to power or ground — non-polarized design
✔ Auto-adjust system maintains shoe clearance — minimal maintenance
✔ Replace left and right brake assemblies together to ensure even braking
✔ Inspect electrical connection, lining condition, and hardware regularly
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Warranty Information
