The main function of the excavator pilot filter is to filter out impurities from the fuel, lubricating oil, and air supplied to the system, ensuring the cleanliness of the machinery. This helps protect the engine and hydraulic system from damage caused by contaminants, thereby extending the lifespan of the machinery.

The excavator pilot filter is an essential component in construction machinery such as excavators, responsible for filtering impurities from the fuel, lubricating oil, and air that enter the engine and hydraulic systems. If these impurities were to enter the machinery directly, they could cause severe wear and blockages in the engine and hydraulic systems, leading to decreased performance and potential damage. By installing and using a pilot filter, these impurities are prevented from entering critical components, protecting the machinery from harm.

Specifically, the functions of the excavator pilot filter include:

Protecting the engine: By filtering impurities from the air and fuel entering the engine, the pilot filter prevents the accumulation of contaminants in internal engine components, ensuring the engine’s normal operation and extending its lifespan.

Protecting the hydraulic system: By filtering the hydraulic oil in the hydraulic system, the pilot filter prevents impurities from clogging hydraulic pipelines and valves, maintaining the smooth operation of the hydraulic system and improving work efficiency.

Improving work efficiency: Keeping the internal machinery clean can reduce failures and maintenance needs caused by contaminants, thereby enhancing work efficiency and reducing costs.

Different types of construction machinery, such as excavators, loaders, and bulldozers, all require the use of pilot filters to protect their engines and hydraulic systems. These filters are usually manufactured by specialized manufacturers and adapted to different brands and models of machinery to ensure optimal filtration effectiveness. Additionally, regularly replacing filters is an important measure to maintain the machinery in good working condition.

Product NO.	Applicable models	Size/Dimension	Weight	Packaging unit
65.12501-7023	DH130LC-V DH130W-V DH150LC-7 DH150W-7 DH210W-7(S/N:20001~21000) DH210W-7(S/N:21001~) DH215-7 DH220LC-7 DH220LC-V DH225LC-7 DH258LC-V DH300LC-7 DH300LC-V DH360LC-V DH370LC-7 DH420LC-7 DH500LC-7 DX225LC DX260LC DX300LC S150LC-7B DX140W / DX160W TIER-II DX140W TIER-II DX210 / DX225LCB DX220A / DX225LCA DX220LC DX300LCA DX340LCA SOLAR 130-V SOLAR 130LC-V SOLAR 130W-V(2) SOLAR 140-V SOLAR 140LC-V SOLAR 140W-V SOLAR 160W-V SOLAR 170LC-V SOLAR 170W-V SOLAR 175LC-V SOLAR 180W-V SOLAR 185W-V SOLAR 200W-V SOLAR 210W-V SOLAR 220LC-6 SOLAR 220LC-V SOLAR 220N-V SOLAR 225LC-7A SOLAR 225LC-V SOLAR 225NLC-V SOLAR 230LC-V SOLAR 250LC-V SOLAR 255LC-V SOLAR 290LC-V SOLAR 290LC-V SOLAR 300LC-7A SOLAR 300LC-V SOLAR 330LC-V SOLAR 340LC-7 SOLAR 340LC-V SOLAR 370LC-V SOLAR 400LC-V SOLAR 420LC-V SOLAR 450LC-V SOLAR 470LC-V SOLAR 500LC-V TXC140-1 TXC175-1 TXC225-1 TXC255-1 TXC300-1 TXC340-1 TXC420-1 TXC470-1 TXC500-1 SOLAR 130LC-V SOLAR 140LC-V SOLAR 140W-V & S160W-V SOLAR 140W-V RAIL WAY SOLAR 150LC-V SOLAR 155LC-V SOLAR 170LC-V SOLAR 175LC-V SOLAR 210W-V SOLAR 220LC-V SOLAR 225LC-V SOLAR 250LC-V SOLAR 255LC-V DX225LCA		1.09 KG	EA
65.12501-7042C	DH150LC-7 DH150W-7 DH150W-7S DH210W-7(S/N:20001~21000) DH210W-7S DH215-7 DH215-9 DH215-9E DH220LC-7 DH220LC-9E DH225LC-7 DH225LC-9 DH258LC-7 DH300LC-7 DH370LC-7 DH370LC-9 DH420LC-7 DH500LC-7 DX150LCS DX150W(S2) DX230LC-SKD DX230LCS DX260LC DX300LC DX345LC DX380LC S150LC-7B DX140 DX140A DX140LC DX140LC-3 / DX160LC-3 DX140W / DX160W TIER-III DX140W TIER-III DX140W-3 / DX160W-3 DX140WA DX170W DX180LC DX180LC-3 DX190W DX190W-3 DX210W DX210WA DX220A / DX225LCA DX220LC (TIER-3) DX220LCA DX225LC (S/N 5433~) DX225LC-3 DX225NLC DX230LC DX235LCR DX255LC DX255LC-3 TXC140LC-2 TXC180LC-2 TXC225LC-2 DX140LC-3 DX140W-3 / DX160W-3 DX160LC-3 DX160W RAIL WAY DX180LC DX180LC-3 DX225LC-3 DX235NLC DX255LC DX255LC-3	220X140X100	1.2KG	EA
400403-00129	DH150LC-7 DH150W-7 DH210W-7(S/N:20001~21000) DH210W-7S DH215-9E DH220LC-9E DH225LC-9 DH300LC-7 DH370LC-9 DH420LC-7 DH500LC-7 DX150LC DX260LC DX300LC DX345LC DX380LC DX420LC DX500LC/DX500LCG DX140 DX140A DX140LC DX140LC-3 / DX160LC-3 DX140W / DX160W TIER-II DX140W / DX160W TIER-III DX140W ACE DX140W TIER-II DX140W TIER-III DX140W-3 / DX160W-3 DX140WA DX170W DX180LC DX180LC-3 DX190W DX190W-3 DX210 / DX225LCB DX210W DX210WA DX220AF DX220LC (TIER-3) DX220LCA DX225LC DX225LC (S/N 5433~) DX225LC-3 DX225NLC DX230LC DX235LCR DX255LC DX255LC-3 DX300LCA DX340LCA DX420LCA DX480LCA / DX500LCA / DX520LCA SOLAR 180W-V SOLAR 185W-V SOLAR 210W-V SOLAR 225LC-7A SOLAR 225NLC-V SOLAR 255LC-V SOLAR 340LC-V SOLAR 420LC-V SOLAR 470LC-V SOLAR 500LC-V DX140LC-3 DX140W-3 / DX160W-3 DX160W RAIL WAY DX180LC DX180LC-3 DX225LC-3 DX235NLC DX255LC DX255LC-3 SOLAR 255LC-V DX225LCA		1.2KG	EA
400403-00272	DH150W-7 DH210W-7(S/N:20001~21000) DH210W-7(S/N:21001~) DH210W-7S DH215-9E DH220LC-9E DH225LC-9 DH300LC-7 DX140AF/DX140LCA DX150LC DX220LCA-2 / DX220A-2 DX220LCA-2M / DX220A-2M DX260LC DX300LC DX380LC DX420LC DX500LC/DX500LCG DX140 DX140A DX140LC DX140LC-3 / DX160LC-3 DX140W / DX160W TIER-II DX140W / DX160W TIER-III DX140W ACE DX140W ACE PLUS(S/N:8141~) DX140W TIER-II DX140W TIER-III DX140W-3 / DX160W-3 DX140W-5 DX140W-5 / DX160W-5 DX140W-5K(L)/DX160W-5K(L)(S/N:2485~) DX140WA DX170W DX170W-5 DX180LC DX180LC-3 DX190W DX190W-3 DX190W-5 DX190WA(T-2) DX200A DX200A(S/N:1001~) DX210 / DX225LCB DX210W DX210W-5 DX210W-5K(L) DX210WA DX210WA(T-2) DX220A / DX225LCA DX220AF DX220AF(S/N:1001~) DX220AF-7M DX220LC (TIER-3) DX220LC-5 DX220LC-5K(L) DX220LCA DX225LC DX225LC (S/N 5433~) DX225LC-3 DX225LC-5 DX225LCA(S/N:1001~) DX225LCA-2 / DX200A-2 DX225LCA-7M / DX200A-7M DX225NLC DX225NLCA DX230LC DX235LC-5 DX235LCR DX235LCR-5 DX235LCR-5K(L) DX235NLC-5 DX255LC DX255LC-3 DX255LC-5 DX260LCA DX300LCA DX300LCA-7M DX340LCA DX360LCA(S/N:5950~) DX420LCA DX480LCA / DX500LCA / DX520LCA SOLAR 255LC-V SOLAR 340LC-V SOLAR 420LC-V SOLAR 470LC-V SOLAR 500LC-V DX140LC-3 DX140W-3 / DX160W-3 DX160W RAIL WAY DX180LC DX180LC-3 DX225LC-3 DX235NLC DX255LC DX255LC-3 SOLAR 255LC-V DX225LCA		0.8KG	EA
65.12501-7023B	DH210W-7(S/N:20001~21000) DH210W-7(S/N:21001~) DH225LC-7 DH300LC-7 DX260LC DX300LC DX140W / DX160W TIER-II DX140W TIER-II DX210 / DX225LCB DX220A / DX225LCA DX220LC DX300LCA DX340LCA SOLAR 140-V SOLAR 140LC-V SOLAR 140W-V SOLAR 160W-V SOLAR 175LC-V SOLAR 180W-V SOLAR 185W-V SOLAR 210W-V SOLAR 220LC-V SOLAR 225LC-7A SOLAR 225LC-V SOLAR 225NLC-V SOLAR 230LC-V SOLAR 255LC-V SOLAR 300LC-7A SOLAR 300LC-V SOLAR 340LC-7 SOLAR 340LC-V SOLAR 370LC-V SOLAR 420LC-V SOLAR 470LC-V SOLAR 500LC-V SOLAR 255LC-V DX225LCA	260X150X110	1.468KG	EA
897011-6850	DH55GOLD SOLAR 55 SOLAR 55-V (S/N 1~)		0KG	EA
894151-7451	DH55GOLD SOLAR 55 SOLAR 55-V (S/N 1~)		0.654KG	EA
K1018840	DH55GOLD DH55GOLD(S/N:50001~)		0.55KG	EA
119000-55600	DH60-7 SOLAR 55-V GOLD SOLAR 55-V GOLD PLUS SOLAR 55-V PLUS SOLAR 55-V SUPER SOLAR 55W-V SOLAR 75-V		0KG	EA
400403-00237	DX120	300X160X160
400403-00506	DX120 DX120-9C DX130-9C/DX130-9CN		0.087KG	EA
400403-00237A	DX120
400403-00395	DX120
400403-00300A	DX150-9C/DX150LC-9C/DX150LC-9CN DX150W-7B DX150W-9C/DX150W-9CN DX210-7M DX210W-7B DX210W-9C (S/N:30001~) DX210W-9C/DX210W-9CN DX215-9C ACE/DX215-9CN ACE DX215-9C/DX215-9CN DX220LC-7M DX220LC-9C DX220LC-9C ACE DX230LC-9C DX245LC-9C ACE DX260LC-9C DX270LC-9C ACE DX210W-5B DX225LC-7M / DX225-7M		0.8KG	EA
K1044605	DH150W-7S DH210W-7S DX150LC DX150LCS DX230LC-SKD DX230LCS DX140 DX140A DX140LC DX140LC-3 / DX160LC-3 DX140LCR DX140LCR-3 DX140R DX140W / DX160W TIER-III DX140W TIER-III DX140W-3 / DX160W-3 DX140WA DX170W DX180LC DX180LC-3 DX190W DX190W-3 DX210W DX210WA DX220A / DX225LCA DX220AF DX220LC (TIER-3) DX220LCA DX225LC (S/N 5433~) DX225LC-3 DX225NLC DX230LC DX235LCR DX255LC DX255LC-3 DX420LC-3 DX490LC-3 DX530LC-3 TXC140LC-2 TXC180LC-2 TXC255LC-2 DX140LC DX140LC-3 DX140W-3 / DX160W-3 DX140W/DX160W DX160LC DX160LC-3 DX160W RAIL WAY DX180LC DX180LC-3 DX225LC DX225LC-3 DX235NLC DX255LC DX255LC-3	325X140X125	2.1KG	EA
400403-00300	DX150-9C/DX150LC-9C/DX150LC-9CN、DX150W-7B DX150W-9C/DX150W-9CN DX210-7M DX210W-7B DX210W-9C (S/N:30001~) DX210W-9C/DX210W-9CN DX215-5B DX215-9C ACE/DX215-9CN ACE DX215-9C/DX215-9CN DX220LC-7M DX220LC-9C DX220LC-9C ACE DX225CD-9C DX225LC-9C DX230LC-9C DX245LC-9C ACE DX260LC-9C DX270LC-9C ACE DX210W-5B DX225LC-7M / DX225-7M		0.8KG	EA
65.12501-7042C	DH150LC-7 DH150W-7 DH150W-7S DH210W-7(S/N:20001~21000) DH210W-7S DH215-7 DH215-9 DH215-9E DH220LC-7 DH220LC-9E DH225LC-7 DH225LC-9 DH258LC-7 DH300LC-7 DH370LC-7 DH370LC-9 DH420LC-7 DH500LC-7 DX150LCS DX150W(S2) DX230LC-SKD DX230LCS DX260LC DX300LC DX345LC DX380LC S150LC-7B DX140 DX140A DX140LC DX140LC-3 / DX160LC-3 DX140W / DX160W TIER-III DX140W TIER-III DX140W-3 / DX160W-3 DX140WA DX170W DX180LC DX180LC-3 DX190W DX190W-3 DX210W DX210WA DX220A / DX225LCA DX220LC (TIER-3) DX220LCA DX225LC (S/N 5433~) DX225LC-3 DX225NLC DX230LC DX235LCR DX255LC DX255LC-3 TXC140LC-2 TXC180LC-2 TXC225LC-2 TXC255LC-2 DX140LC-3 DX140W-3 / DX160W-3 DX160LC-3 DX160W RAIL WAY DX180LC DX180LC-3 DX225LC-3 DX235NLC DX255LC DX255LC-3	220X140X100	1.2KG	EA
65.12501-7023B	DH210W-7(S/N:20001~21000) DH210W-7(S/N:21001~) DH225LC-7 DH300LC-7 DX260LC DX300LC DX140W / DX160W TIER-II DX140W TIER-II DX210 / DX225LCB DX220A / DX225LCA DX220LC DX300LCA DX340LCA SOLAR 140-V SOLAR 140LC-V SOLAR 140W-V SOLAR 160W-V SOLAR 175LC-V SOLAR 180W-V SOLAR 185W-V SOLAR 210W-V SOLAR 220LC-V SOLAR 225LC-7A SOLAR 225LC-V SOLAR 225NLC-V SOLAR 230LC-V SOLAR 255LC-V SOLAR 300LC-7A SOLAR 300LC-V SOLAR 340LC-7 SOLAR 340LC-V SOLAR 370LC-V SOLAR 420LC-V SOLAR 470LC-V SOLAR 500LC-V SOLAR 255LC-V DX225LCA	260X150X110	1.468KG	EA
400403-00527	DX300LC-7B DX300LC-9C DX305LC-9C ACE DX340LC-9C DX140W-7 / DX160W-7 DX190W-7 DX210W-7 DX225LC-7 DX225LC-7X DX235LCR-7 DX255LC-7 DX300LC DX300LC-3(S/N:1512~) DX300LC-5(S/N:20001~) DX300LC-5K(L) DX300LC-7K DX300LC-7M / DX320LC-7M DX300LCA DX340LC-3 / DX350LC-3 DX340LC-5 / DX350LC-5(S/N:20001~) DX340LCA-K/DX360LCA-K(S/N:20001~) DX350LC DX350LC-7K DX350LCA / DX360LCA DX350LCR-7 DX360LC-7M DX360LCA-7M DX380LC DX380LC-3 DX380LC-3(OCEANIA) DX380LCA DX420LCA DX420LCA-K(S/N:20001~) DX450LCA-7M DX480LCA / DX500LCA DX480LCA-K/DX520LCA-K(S/N:20001~) DX490LCA-7M / DX530LCA-7M DX520LCA HX355ALCR		1.734KG	EA
400403-00527	DX300LC-7B DX300LC-9C DX305LC-9C ACE DX340LC-9C DX140W-7 / DX160W-7 DX190W-7 DX210W-7 DX225LC-7 DX225LC-7X DX235LCR-7 DX255LC-7 DX300LC DX300LC-3(S/N:1512~) DX300LC-5(S/N:20001~) DX300LC-5K(L) DX300LC-7K DX300LC-7M / DX320LC-7M DX300LCA DX340LC-3 / DX350LC-3 DX340LC-5 / DX350LC-5(S/N:20001~) DX340LCA-K/DX360LCA-K(S/N:20001~) DX350LC DX350LC-7K DX350LCA / DX360LCA DX350LCR-7 DX360LC-7M DX360LCA-7M DX380LC DX380LC-3 DX380LC-3(OCEANIA) DX380LCA DX420LCA DX420LCA-K(S/N:20001~) DX450LCA-7M DX480LCA / DX500LCA DX480LCA-K/DX520LCA-K(S/N:20001~) DX490LCA-7M / DX530LCA-7M DX520LCA HX355ALCR		1.734KG	EA
400403-00025	DX300LCS DX350LC DX300LC DX300LC-3 DX300LC-3(S/N:1001~1511) DX300LC-3(S/N:1512~) DX300LC-5(S/N:20001~) DX300LC-5K(L) DX300LCA DX340LC DX340LC-3/DX350LC-3 DX340LC-5/DX350LC-5(S/N:20001~) DX350LC DX350LCA / DX360LCA DX380LC DX380LC-3 DX380LC-3(OCEANIA) DX380LCA DX420LC DX420LCA DX480LC DX480LCA / DX500LCA DX520LC DX520LC / DX520LCA DX520LCA TXC300LC-2 TXC340LC-2 DX300LC-3	120X110X270	1.73KG	EA
400403-00223	DX380LC-9C DX450LC-3B/DX450LC-9C DX490LC-9C/DX500LC-9C/DX520LC-9C		2.1KG	EA
400403-00216A	DX60-9C
400403-00686A	DX60-9C
400403-00508	DX60-9C DX55-5 DX55-5K(L)(S/N:2066~) DX55MT-5 DX55MT-5K(L)(S/N:2066~) DX55W-5 DX55W-5K(L)(S/N:1701~) DX57W-5 E57W
400403-00055	DX700LC DX700LCA		2.1KG	EA
400403-00627	DX60-9C DX55-5K(L)(S/N:2066~) DX55MT-5K(L)(S/N:2066~) DX55W-5K(L)(S/N:1701~) DX57W-5 E57W		0.87KG	EA