Caterpillar genuine piston ring 1765749 is a vital component in Caterpillar engine combustion systems, designed to form a tight seal between the piston and cylinder wall. This seal prevents combustion gas leakage, controls oil consumption, and reduces friction—key to maintaining engine compression, fuel efficiency, and power output in heavy-duty applications like mining, construction, and industrial machinery. Ningbo Qiuning Trading Co., Ltd., a trusted supplier, offers both genuine and aftermarket versions to meet diverse needs.
The genuine piston ring 1765749 is manufactured to Caterpillar’s strict specifications, using high-grade alloy cast iron with a molybdenum or chrome coating. This material combination delivers exceptional heat resistance (up to 500°C) and wear resistance, ensuring longevity even under extreme combustion pressures (over 220 bar). Its precision-machined surface (Ra ≤0.4μm) ensures proper contact with the cylinder wall, minimizing oil consumption by up to 15% compared to inferior alternatives.
In terms of performance, the ring set includes compression rings and oil control rings. Compression rings maintain optimal cylinder pressure with precise radial tension, while oil control rings feature multi-piece designs with scrapers to remove excess oil from cylinder walls, preventing carbon buildup and oil burning. This design ensures stable operation across a wide range of engine loads and speeds.
For compatibility, 1765749 is engineered for specific Caterpillar engine models, matching original dimensions (thickness, diameter) and tension standards. It integrates seamlessly with Caterpillar pistons and cylinders, requiring no modifications during installation—critical for restoring engine performance during overhauls.
Ningbo Qiuning Trading Co., Ltd. provides genuine rings that undergo rigorous testing (including pressure and wear tests) to meet Caterpillar’s OEM standards, ideal for those prioritizing reliability. Our aftermarket rings, produced by reputable manufacturers, replicate genuine specs with comparable materials and performance, offering a cost-effective option.
Our team assists with model verification to ensure perfect fit. For inquiries or orders, contact:
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CATERPILLAR excavators Excavator series: 312D, 313D, 315D, 318D, 320C, 320CL, 320D, 320DL, 323D, 323DL, 324D 326D, 325C, 325D, 329D, 329DL, 330D, 330C, 330CL, 330DL, 336D, 336DL, 345C, 345CL, 345D, 345DL, 349D, 349DL, 365C, 365CL, 374D, 374DL, 385C, 3 85CL, 390D, 390DL, 305.5, 306, 307, 307C, 307D, 308, 308C, 308D, 305.5E, 306E, 307E, 308E, 305.5E2, 306E2, 307E2, 308E2, 313D2, 318D2, 320D2 323D2, 326D2, 329D2, 330D2, 336D2, 349D2, 374F, 390F.
Caterpillar engine Series: 4M40, C4.2, C6.4, C6.6, C7, C-9, C13, C15, C18, C10, C11, C12, C16, C-16, C-15, C27, C32, C175; 3066, 3056, 3054, 3116, 3126, 3204, 3304, 3306, 3406, 3408, 3412, 3456, 3504, 3508, 3512, 3516, 3606, 3608, 3612, 3616.
Carter engine model C-9, C-10, C-11, C-12, C-13, C-15, C-16, C-18, C0.5, C0.7, C1.1, C1.5, C1.6, C2.2, C3.3, C3.4, C4.4, C6.4, C6.6, C7, C9, C11, C12 C13, C15, C18, C27, C32, C175, C280
Main models D315, D318, D326, D330, D330, D333, D334, D336, D339, D340, D342, D343, D346, D348, D349, D353, D364, D375, D379, D397, D398, D399 1140,1145 1150,1160,1670,1673,1674,1676,1693, 3003,3011,3013,3014,3024,3034,3044,3054,3056,3064,3066, 3114,3116,3126,3145,3150,3160 3176,3181,3196 3204,3208, 3304,3306 3406,3408,3412,3456 3508,3512,3516,3524.
Caterpillar self-propelled motor graders 14M, 16M, 24M, 160K, 140K
Caterpillar iron plates AS2302C, AS2252C, AP555E, AP1055E, AP300
Caterpillar milling machine PM200-2.0m,PM102-Track, PM200-2.2m,PM102-Wheel Caterpillar stabilized soil mixer
Caterpillar stabilized soil mixer RM500,RM300
Caterpillar Off-road and mining dump trucks 770G 772G 773G 785G 777G
Caterpillar mining trucks 785D, 789C, 793F, 795FAC, 797F
Caterpillar compilers CP44, CP54, 836H, 826H, CB24
