BBTV 2C5047 Engine Piston Ring

Engine Piston Ring Set for Classic Trucks

This engine piston ring set is built for vintage International and GMC truck applications with a standard bore of 3.56 inches (90.50 mm). Part number 2C5047 uses grey iron ring construction with chrome and phosphate surface treatments for the top and lower rings.

Key Features

• Standard bore sizing: 3.56 in. / 90.50 mm
• Grey iron top, second, and third rings for consistent sealing performance
• Triple chrome top ring surface treatment for added wear resistance
• Chrome rail and phosphate finishes on the oil control components
• Designed for six-cylinder engine applications

Detailed Description

Part number 2C5047 is an engine piston ring set for a wide range of International and GMC truck engines from the 1940s through the 1960s. The ring package includes a 3/32-inch top groove, 1/8-inch second groove, and 1/8-inch third groove, with grey iron ring materials and surface treatments selected for durability and cylinder sealing. This part cross-references Monroe Shocks & Struts (e.g., 501P, 511P) for the same application.

Compatible fitment includes International M1100, M1200, M800, MA1200, M1400, M700, AB1200, AB140, AB1400, AM120, AM130, CM110, CM75, CM80, AB120, AM150, C1000, C1100, C1200, C1300, C100, C102, C110, C112, C120, C122, C130, C132, B100, B102, B110, B112, B120, B122, B130, B132, A102, A130, A132, S100, S102, S110, S112, S120, S122, S130, S132, SA120, SA122, R100, R102, R110, R111, R112, R120, R121, R122, R130, R131, R132, L110, L111, L112, L120, L121, L122, L130, L150, L151, L153, LB140, LM120, LM153, and GMC Truck applications listed in the fitment data. Fits 1965-1968 International M1100, N/A; Fits 1950-1953 GMC Truck, N/A; Fits 1940-1942 GMC AF240, N/A.

What It Is Used For

• Restoring compression in worn cylinder bores
• Reducing oil consumption caused by ring wear
• Improving cylinder sealing in rebuilds
• Replacing worn piston rings during engine overhaul

Installation Notes and Tips

Verify bore size, groove widths, and ring end gap before installation. Confirm the engine uses the standard 3.56-inch bore listed for this part number 2C5047. Match the ring set to the exact engine family and cylinder configuration shown in the fitment data before assembly.

Quality Assurance

This part is specified with standard bore dimensions and material treatments intended for classic engine rebuild work. Review the fitment list carefully to confirm application coverage for your International or GMC truck engine before installation.