C.A.T C7 Engine 325D Excavator Piston Kit 238-2720 2382720 Cylinder Parts

ASPHALT PAVER AP‑1055D,BG‑2455D,BG‑260D

COLD PLANER PM‑102

EXCAVATOR 325D,325D FM,325D FM LL,325D L,325D MH,328D LCR,329D,329D L,329D LN,M325D L MH

FORWARDER 584

INDUSTRIAL ENGINE C7,C9.3

INTEGRATED TOOLCARRIER IT62H

MOBILE HYD POWER UNIT 325D,325D L,329D L

MOTOR GRADER 12M,140G,140K,140K 2,140M,160K

PETROLEUM ENGINE C7

SOIL COMPACTOR 815B

TRUCK ENGINE C7

WHEEL FELLER BUNCHER 573

WHEEL LOADER 950H,962H

WHEEL SKIDDER 525C,535C,545C

• Precision Triple-Ring Pack & Optimized Radial Tension: The kit includes a pre-matched triple-ring set (Chromium-Moly top ring, tapered second ring, and spring-loaded oil ring) with factory-calibrated radial tension and end gaps. This delivers superior cylinder sealing and oil scraping under high combustion pressures, drastically reducing blow-by and oil consumption. 
• Balancing Precision & Fatigue-Resistant Gudgeon Pin: Pistons within the kit undergo precision dynamic mass-matching to keep weight tolerances strictly minimal, effectively eliminating engine vibration across cylinders. The included alloy steel gudgeon pin is deep-carburized and mirror-polished to provide exceptional shear strength and fatigue resistance. 
• All-in-One Overhaul Kit & Pre-Lubricated Surface Barrier: Delivered as a complete, drop-in repair solution integrating the piston body, wrist pin, retaining rings, and ring set to eliminate tolerance mismatches. Piston skirts feature a factory-applied break-in lubricant coating that shields metal surfaces from scuffing during initial cold start-up.