Hastings 2D4744S Diesel Piston Ring Set Standard Bore 1-Cylinder

The Hastings 2D4744S is a standard bore (STD) single-cylinder diesel piston ring set engineered for demanding diesel engine applications including the HMMWV/Humvee platform. Hastings Manufacturing has been a trusted name in piston ring technology for decades, producing rings used in automotive, truck, and military/government vehicle engines.

Key Features:

• Single-cylinder set — includes all rings needed for one cylinder (compression, second groove, and oil control rings)
• Standard bore (STD) sizing — designed for engines at original factory bore specifications, not oversized
• Diesel-specific design — engineered to handle the higher combustion pressures and temperatures of diesel engines
• Quality construction — manufactured to OEM specifications for proper sealing, oil control, and longevity
• HMMWV / Humvee compatible — sourced and validated for military-grade diesel engine platforms
• MPN: 2D4744S | Base ring part: 2D4744

Hastings piston ring sets are a proven choice for engine rebuilds and overhauls, restoring compression, reducing oil consumption, and returning lost power. The 2D4744S is sold as a single-cylinder set, making it ideal for targeted cylinder repairs or purchasing the exact quantity needed for a full engine overhaul.