Pai 121368 Cummins 3533955 O-Ring

O-Ring 0.094 in C/S x 0.366 In I.D. 2.4 mm C/S x 9.3 mm I.D. Viton (75) Black

• Part number: 121368
• OE MFG: CUMMINS
• OEM Reference: 3533955
• Cross Reference: CUMMINS : 3533955; OTHER : BS4518-0096-24 | INTERSTATE-MCBEE : M-3533955
• Product Class: Air Compressors & Parts

The PAI 121368 is a Viton O-ring with a 0.094-inch (2.4 mm) cross-section and 0.366-inch (9.3 mm) inside diameter, identified by Cummins reference 3533955. O-rings are heavy duty diesel truck parts that seal mating surfaces in fluid or air systems, preventing passage across the assembled joint when properly sized and installed. These dimensions and the Viton specification provide key details for matching the sealing component, while BS4518-0096-24 is an additional cross-reference.