Pai 3209-003 Mack 8235-1229D3124 Retaining Ring

Retaining Ring External 1.503in Free O.D. x 0.062in Thickness 38.17mm Free O.D. x 1.57mm Thickness

• Part number: HBK-3209-003
• OE MFG: MACK
• OEM Reference: 8235-1229D3124
• Cross Reference: MACK : 8235-1229A1119, 8235-1229D3124; NAVISTAR : 1676230C1; ROCKWELL (EXCEL PRODUCTS) : 1229-A-1119, 1229-D-3124; OTHER : 04-315, 5100-162, B8622, E-1569, M-1046
• Product Class: Brake Shoes & Kits

The PAI HBK-3209-003 is an external retaining ring with a 1.503-inch (38.17 mm) free outside diameter and 0.062-inch (1.57 mm) thickness. Retaining rings are heavy duty diesel truck parts that seat in a machined groove to hold an assembly component in position and limit axial movement. The paired inch and metric dimensions provide clear size details when matching this ring to an assembly. MACK lists 8235-1229D3124 as the OEM reference, with MACK 8235-1229A1119 as an additional cross-reference.