Specifications: Direct Replacement for Dexter 23-411 Right Hand Hydraulic Brakes – Dimensions: 12-1/4 x 3-3/8″ – Mounting Flange Bolt Pattern: 7 Bolt – Wheel Size: 15″ or Larger – Axle Range: 9,000-10,000 Lbs – Configuration: Right Hand (Passenger Side) – Mounting Bolts and Hardware NOT INCLUDED OEM Part Number: 23-411, K23-411-00, 77-1210H-2 Fit For the Following Models: Direct Replacement for Dexter Right Hand 12.25″ x 3.375″ 9K 10K Trailer Axle Hydraulic Brake Assemblies .

Specifications: Direct Replacement for Dexter 23-410 Left Hand Hydraulic Brakes – Dimensions: 12-1/4 x 3-3/8″ – Mounting Flange Bolt Pattern: 7 Bolt – Wheel Size: 15″ or Larger – Axle Range: 9,000-10,000 Lbs – Configuration: Left Hand (Driver Side) – Mounting Bolts and Hardware NOT INCLUDED OEM Part Number: 23-410, K23-410-00, 77-1210H-1, 023-410-00 Fit For the Following Models: Direct Replacement for Dexter Left Hand 12.25″ x 3.375″ 9K 10K Trailer Axle Hydraulic Brake Assemblies .