Compression Piston Ring 3973242

positive OEM
Cummins
Part# 3973242
note
Engine piston ring sealing combustion chamber for compression retention.
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Description

The Cummins Compression Piston Ring (3973242) is a critical engine component that maintains combustion chamber compression by sealing the piston to the cylinder wall. It supports efficient combustion and engine performance by preventing gas leakage during piston movement under high temperature and pressure conditions.

Key Specifications

  • Application: Tier 2 8.3L ISC/ISL engines
  • Function: Seals combustion chamber to maintain compression
  • Compatibility: Cummins QSC8.3 CM850 (CM2850) engine family
  • Construction: Heat-resistant alloy steel
  • Features: Advanced coating, specific groove pattern, wear-resistant
  • Quality: OEM Cummins part

Shipping Info

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More Information

Current Part# 3973242
Type OEM
Part# variations 3973242 CUM,
3973242CUM
Manufacturer Cummins
Warranty Standard Manufacturer Warranty