CAT piston ring std
,C7.1 Engine piston ring std
,4367786
Product: Piston Kit 436-7786 / 4367786 / T415832
STD for C7.1 Excavator Engine
Key Features
• Direct Fit & OEM Dimensions Precision machined to meet factory tolerances for cylinder bore, pin bore and piston ring grooves, enabling seamless drop-in installation.
• High Strength & Heat Resistance Made of premium-grade aluminum alloy. The piston skirt is coated with a special treatment layer to withstand extreme combustion pressure and thermal loads.
• Complete Kit Components Comes with precision-engineered piston, piston rings, wrist pin and secure C-type circlips for full cylinder reconstruction.
• Optimized Combustion Chamber Features a precision bowl geometry design to achieve excellent air-fuel mixing, high-efficiency combustion and reduced emissions.
• Rigorous Quality Inspection Fully tested for structural integrity, dimensional accuracy and surface finish to guarantee defect-free engine rebuilds.
Product Specifications
• Direct Replacement: Directly replaces OEM part number 436-7786 (4367786). Cross-references with T415832, 493-3262 and 445-2945. • Engine Compatibility: Designed for heavy-duty diesel engines, including the C7.1 EFI platform. • Wide Equipment Coverage: Fits industrial excavators such as 320D2, 324E and forestry machines including 525D, 545D. • Restore Compression & Power: Effectively recovers optimal cylinder compression, prevents blow-by and delivers durable performance during engine overhaul.
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