The Meritor A1-3263M1157 or A13263M1157 is a genuine OEM air disc brake caliper assembly for the Meritor ADB1560 disc brake axle. This is the left-hand (LH) caliper, featuring an axial pad carrier, one-piece bridge design, and a single piston. The caliper mounts via a pin slide arrangement with two radial bracket mounting holes sized at 1 in. Pad length is 11.65 in., and the FMSI designation is 268. The assembly includes the power shaft, piston, and related internal parts; it uses standard grease. Compatible disc pad kits include KIT15625PM and KIT15627PM. Call us to confirm proper fit for your specific brake assembly and axle configuration.

• Position: Left-Hand (LH) Brake Model: ADB1560 Pad Carrier: Axial Bridge Style: One-Piece Number of Pistons: 1 Mount Type: Pin Slide Chamber Mount: Radial Bracket Mounting Holes: 2 Mounting Hole Size: 1 in. Pad Length: 11.65 in. FMSI: 268 Application: Emergency/Multiple Related Disc Pad Numbers: KIT15625PM; KIT15627PM VMRS Code: 013-013-001 Includes: Power shaft, piston, and related parts Lubricant: Standard grease

Meritor part number A1-3263M1157 or A13263M1157 is listed in Meritor Air Disc Brake Catalog PB1461. Cross-reference numbers for this caliper include: 1111302, 597371C91, 8235A13263M1157, 9628A13263M1157, A13263M1157RI, ATIA13263M1157, D1560MA13263L, HRA13263M1157, MERA13263M1157, ROA13263M1157, TDAA13263M1157, and TWDA13263M1157. These interchange numbers are provided for reference only; confirm part fitment with your axle model and serial number before ordering.