Caterpillar CAT overhaul filter accessories are the core components of engine maintenance, designed specifically for Caterpillar engine overhaul, covering multiple key filtration units such as air filters, oil filters, and fuel filters. These filters are made of high-performance materials such as fiberglass, with a filtration accuracy range of 1-100 microns. They can effectively intercept impurities such as dust, metal particles, and oil stains, prevent pollutants from entering the engine interior, reduce wear on key components such as pistons and cylinders, extend engine life, and improve operating efficiency. For example, an air filter achieves a filtration efficiency of up to 99% through a multi-layer filtration structure (pre filtration layer and main filtration layer), ensuring pure intake air; The oil filter uses resin permeable filter paper technology to work stably in a high-pressure environment, keeping the oil clean; The fuel filter focuses on removing moisture and particles from the fuel to ensure sufficient combustion.
This accessory set is compatible with multiple engine models of Caterpillar, such as 3406, C9, C15, etc., and is widely used in construction machinery such as excavators, loaders, and generator sets. During the overhaul process, using genuine filters can maximize compatibility and reliability, avoiding engine failures or performance degradation caused by filter failure. Users can purchase genuine filters that meet the original factory standards through reliable suppliers such as Ningbo Qiuning Trading Co., Ltd., ensuring that the products meet the requirements in terms of material, size, and performance. In addition, the market also offers aftermarket replacement versions, which use common materials and simplified processes to replace basic filtering functions, and are more competitively priced, suitable for budget limited or short-term emergency scenarios.
Choosing genuine filters can ensure long-term stability and safety, while the aftermarket option provides a cost-effective solution. It is recommended that users choose the appropriate type based on equipment operating conditions, usage environment (such as dusty or high-temperature environment), and maintenance plan, and regularly inspect and replace it (usually every 500 working hours or according to maintenance indicator prompts). By purchasing through compliant channels and installing correctly, this filter set will significantly improve the operational efficiency of the engine after major repairs, reducing downtime and maintenance costs. Whether choosing genuine products or substitute products, it is necessary to confirm the supplier's qualifications and product testing reports to avoid engine damage caused by inferior parts.
Contact Information
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:+8615888032469
-
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
Transmission gasket 1U88461U8846
Caterpillar Ring Fixed 1W-7020
Caterpillar guard ring 2W-4032
Caterpillar turbocharger cooling water pipe 4W-7322
Caterpillar Bolt OS-1594
Caterpillar Gasket 3V-3308
Caterpillar Bolt OS-1595
Caterpillar Gasket 5P-8245