The main function of the excavator fuel pre-filter assembly is to remove harmful particles and moisture from the fuel system of the engine, thereby protecting components such as the fuel pump, fuel injectors, cylinder liners, and piston rings, reducing wear and preventing blockages.

Fuel filters, including the excavator fuel pre-filter assembly, are essential for blocking particles, water, and impurities in the fuel, ensuring that the precision components of the fuel system are protected from wear and other damage. Specifically, the functions of the fuel filter include:

Removing Impurities: It eliminates solid contaminants such as oxidized iron and dust from the fuel, preventing blockages in the fuel system, particularly avoiding clogging of the fuel injectors.

Protecting Engine Components: It safeguards critical engine components like the fuel pump, fuel injectors, cylinder liners, and piston rings, reducing mechanical wear and ensuring stable engine operation, thereby increasing reliability.

Extending Service Life: By filtering out impurities from the fuel, it can reduce wear on internal engine components, thus prolonging the engine’s service life.

In summary, the excavator fuel pre-filter assembly effectively protects the engine from damage through its filtration capabilities, enhancing the overall performance and reliability of the excavator.

Product NO.	Applicable models	Weight	Packaging unit
400403-00314	DH150W-7 DH210W-7(S/N:21001~) DH215-9E DH220LC-9E DH300LC-7		EA
K1006520	DH215-9 DH215-9E DH220LC-9E DH225LC-9 DX150LC DX225LC DX260LC DX140 DX140LC DX140W / DX160W TIER-III DX180LC DX190W DX210W DX225LC DX225NLC DX255LC DX420LC-3 DX490LC-3 DX530LC-3 TXC140LC-2 TXC180LC-2 TXC225LC-2 TXC255LC-2 DX140LC DX140W/DX160W DX160LC DX180LC DX225LC DX255LC	2.091 KG	EA
K1044607	DH370LC-7 DH370LC-9 DX300LCS DX345LC DX350LC DX380LC DX420LC DX500LC/DX500LCG DX700LC DX300LC DX300LC-3 DX300LCA DX340LC DX340LC-3 / DX350LC-3 DX340LCA DX350LC DX350LCA / DX360LCA DX380LC DX380LC-3 DX380LC-3(OCEANIA) DX380LCA DX420LC DX420LCA DX480LC DX480LCA / DX500LCA DX480LCA / DX500LCA / DX520LCA DX520LC DX520LC / DX520LCA DX520LCA DX700LC DX700LCA TXC300LC-2 TXC340LC-2 TXC420LC-2 TXC480LC-2 TXC520LC-2 DX300LC-3	2.32 KG	EA
K1006519	DH500LC-7 DX300LC DX350LC DX700LC DX300LC DX300LCA DX340LC DX350LC DX380LC DX420LC DX480LC DX520LC DX520LC / DX520LCA DX700LC DX700LCA SOLAR 470LC-V SOLAR 500LC-V TXC300LC-2 TXC340LC-2 TXC420LC-2 TXC480LC-2 TXC520LC-2 DX300LC	2.391 KG	EA
400403-00686	DX150W-10/DX150W-10N DX210W-10/DX210W-10N DX215-10/DX215-10N DX225-10 DX225LC-10 DX245HD-10 DX270HD-10 DX300LC-7B DX305HD-10 DX305LC-9C ACE	0.002 KG	EA
400403-00851A	DX150WE-10/DX150WE-10N DX150WE-9C/DX150WE-9CN DX190-3B/DX200-3B DX200-9C (CN)/DX200-9C (CN) ACE DX205-10/DX205-10N DX205-10A/DX205-10NA	2.218 KG	EA
400403-00651	DX150-9C/DX150LC-9C/DX150LC-9CN 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-9C DX220LC-9C ACE DX230LC-9C DX260LC-9C DX270LC-9C ACE DX140W-5 / DX160W-5 DX140W-5K(L)/ DX160W-5K(L)(S/N:2485~) DX170W-5 DX180LC DX190W DX190W-5 DX190WA(T-2) DX200A DX200A(S/N:1001~) DX210W DX210W-5 DX210W-5B DX210W-5K(L) DX210WA(T-2) DX220A / DX225LCA DX220AF DX220AF(S/N:1001~) DX220AF-7M DX220LC-5 DX220LC-5K(L) DX225LC (S/N 5433~) DX225LC-5 DX225LC-7M / DX225-7M DX225LCA(S/N:1001~) DX225LCA-7M / DX200A-7M DX225NLCA DX230LC DX235LCR DX235LCR-5 DX235LCR-5K(L) DX255LC DX255LC-5 DX260LCA	2.06 KG	EA
400403-00203A	DX360LC-3B DX360LC-9C DX380LC-9C	2.1 KG	EA
400403-00673	DX300LC-9C DX340LC-9C DX360LC-7B DX380-9C ACE DX380LC-9C DX380LC-9C ACE DX400LC-7B DX450LC-3B/DX450LC-9C DX490LC-9C/DX500LC-9C/DX520LC-9C DX500-9C ACE/DX500LC-9C ACE/DX560LC-9C ACE DX500LC-9C (S/N:22001~22044) DX500LC-9C ACE/DX560LC-9C ACE (S/N:30001~) DX300LC DX300LC-7M / DX320LC-7M DX300LCA DX300LCA-7M DX340LC DX340LCA-K/ DX360LCA-K(S/N:20001~ DX350LCA / DX360LCA DX360LC-7M DX360LCA-7M DX380LC-3 DX380LC-3(OCEANIA) DX400LC-7M DX420LC DX420LCA-K(S/N:20001~) DX450LC-7M DX450LCA-7M DX480LCA / DX500LCA DX480LCA-K/ DX520LCA-K(S/N:20001~) DX490LC-7M / DX530LC-7M DX490LCA-7M / DX530LCA-7M DX530LC-5B DX650LC-7	2.4 KG	EA
400403-00207	DX420LC DX450LC-3B/DX450LC-9C DX490LC-9C/DX500LC-9C/DX520LC-9C DX500LC/DX500LCG DX700LC DX300LC DX300LC-3 DX300LC-3(S/N:1512~) DX300LCA DX340LC DX340LC-3 / DX350LC-3 DX340LCA DX340LCA-K/ DX360LCA-K(S/N:20001~) DX350LC DX350LCA / DX360LCA DX360LCA(S/N:5950~) DX380LC DX380LC-3 DX380LC-3(OCEANIA) DX380LCA DX420LC DX420LCA DX420LCA-K(S/N:20001~) DX480LC DX480LCA / DX500LCA / DX520LCA DX480LCA-K/ DX520LCA-K(S/N:20001~) DX520LC / DX520LCA DX530LC-5B DX700LC DX700LCA	2.1 KG	EA
400403-00705	DX55-5B DX55-9C(CN)/DX60E-9C(CN)/DX60E-9C ACE DX60 ACE-10/DX60 ACE-10N DX60-5B DX60-9C GOLD/DX65-9C PLUS/DX65-9CN PLUS DX60E-10/DX60E-10N(S/N:20001~) DX75-10/DX75-10N DX75-5B(S/N:22712~) DX75-7B DX75-9C ACE/DX75-9CN ACE DX75-9C PLUS/DX75-9CN PLUS(S/N:22712~) DX75E-9C/DX75E-9CN DX88-9C (S/N:20233~) E58 DX55-5K(L)(S/N:2066~) DX55MT-5K(L)(S/N:2066~) DX55W-5K(L)(S/N:1701~) DX57W-5 E57W	1.29 KG	EA