This piston ring (178-6543) is a vital component in the engine, mounted on the piston grooves. It mainly functions to seal the combustion chamber, preventing high-pressure gas from leaking into the crankcase, while controlling the amount of oil entering the combustion chamber to avoid excessive oil consumption and carbon deposition. Its performance directly affects engine power, fuel efficiency and service life.
We offer both original and replacement versions of this piston ring. The original rings are manufactured through stringent processes using high-grade alloy materials, featuring excellent wear resistance, heat resistance and elasticity. They are precisely engineered to match the specific dimensions and operating requirements of corresponding engine models, undergoing rigorous testing to ensure perfect fit and long-term reliable sealing performance even under high-temperature and high-pressure conditions. Choosing original rings helps maintain the engine's optimal operating efficiency.
The replacement piston rings are produced by professional manufacturers with advanced production technology. While meeting basic functional standards, they come at a more economical price. These replacements are designed in accordance with the technical parameters of target engines, with strict quality control during production to ensure proper sealing and durability. They are a cost-effective option for customers focusing on practicality and economy.
Our supply chain for this product is well-established, ensuring sufficient inventory and timely delivery. We understand that timely replacement of piston rings is crucial for minimizing engine downtime, so we strive to shorten delivery cycles. Additionally, our professional team provides comprehensive pre-sales and after-sales support, including model compatibility checks, installation guidance and maintenance advice, to assist you in selecting the most suitable piston ring.
Investing in a high-quality 178-6543 piston ring can effectively enhance the sealing performance of the combustion chamber, reduce gas leakage and oil consumption, lower the risk of engine performance degradation, and extend the engine's service life. We are committed to providing reliable products and satisfactory services, aiming to establish long-term cooperative relationships with customers.
We are a supplier of various engine assemblies and engine accessories in China, with a wide range of brands and types, and a huge warehouse storage and professional after-sales maintenance team. Both original and subsidiary factories can provide it, supplied globally.
Ningbo Qiuning Trading Co., Ltd. Service Supply and Sales Center
Our company provides more engine assemblies and accessories of different brands and models
If you are interested, please add my contact information directly:
WeChat/WhatsApp：+86 15888032469
E-mail： allen@perkins-rx.com
Remarks: The model or serial number processing is faster and the price is more favorable
We provide global logistics and delivery services, genuine product guarantee, and support online ordering.
Engine
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
Engine parts
Pump bearing 1B3867, Caterpillar C15 engine 1B3867
Caterpillar C15 engine seal ring 11788011178801
Caterpillar C15 engine hood assembly 7E65087E6508
Engine gasket 9Y6089/ Caterpillar C15 Engine 9Y6089
Transmission seal 5P5846/ Caterpillar C15 engine 5P5846
O-ring 5P8068/ Caterpillar C15 engine 5P8068
Gasket 280795/ Caterpillar C15 engine 2S0795
Lip fuel injector 389643/ Caterpillar C15 engine 3S9643
Transmission seal 8C3089/// Caterpillar C15 engine 8C3089
Caterpillar C15 engine transmission Seal 8T43518J4351
Caterpillar C15 Engine CAT diesel Engine Oil /15W-40 18L3E99003E9900
Transmission seal ring 2147568/ Caterpillar C15 engine 2147568
Engine O-ring 2385080/ Caterpillar C15 engine 2385080
Engine sealing ring 2385081// Caterpillar C15 Engine 2385081
Caterpillar C15 engine seal ring 21475662147566
Type 0 sealing ring 9X7317/ Caterpillar C15 engine 9X7317
Type 0 sealing ring 1075769/ Caterpillar C15 Engine 1075769
Turbocharger pad 184295/ Caterpillar C15 engine 1S4295
Engine sealing ring 1135304/ Caterpillar C15 engine 1135304
O-ring 8C5230/ Caterpillar C15 engine 8C5230
Transmission seal 9H0846// Caterpillar C15 Engine 9H0846
Caterpillar C15 engine O-ring 22849472284947
