The crankshaft front oil seal is one of the most common devices for controlling fluid flow in an engine and is a crucial component. It is used to prevent oil leakage within the engine while also serving as a protective barrier against dust, dirt, and other external contaminants from entering the engine.

1. Preventing Oil Leakage:
During the operation of the engine, lubricating oil is one of the key factors for normal functioning. If the lubricating oil leaks, it can lead to the entire engine system malfunctioning, and in severe cases, it can damage the engine components, affecting performance and lifespan. The crankshaft front oil seal is specifically designed to prevent oil leakage; it effectively seals the oil at the front end of the crankshaft, preventing it from escaping.

2. Protecting the Engine Internals:
The crankshaft front oil seal also plays an important role in protecting the internal components of the engine from external contaminants. In everyday use, the engine inevitably encounters various dust, fine particles, and other impurities that can accelerate wear and corrosion, shortening its lifespan. The crankshaft front oil seal forms an effective protective layer, preventing these contaminants from entering the engine and ensuring its normal operation.

3. Ensuring Engine Efficiency:
Proper installation and maintenance of the crankshaft front oil seal are essential for ensuring the engine operates efficiently. The oil seal plays a critical role in controlling oil flow; any leakage or related issues can lead to decreased operational efficiency and unusual noises. Therefore, timely replacement and maintenance of the crankshaft front oil seal can extend the engine’s lifespan and ensure it runs efficiently.

The crankshaft front oil seal is a small yet indispensable component of the engine, playing an important role in ensuring normal operation. Understanding the functions and importance of the crankshaft front oil seal is essential for the future maintenance and care of the vehicle.

Product NO.	Applicable models	Weight	Packaging unit
65.01510-0001	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-7 DX140AF/DX140LCA DX150LC DX220LCA-2/DX220A-2 DX220LCA-2M / DX220A-2M DX225LC S150LC-7B DX140W / DX160W TIER-II DX140W TIER-II DX190WA(T-2) DX200A DX200A(S/N:1001~) DX210 / DX225LCB DX210WA(T-2) DX220A/DX225LCA DX220AF DX220AF(S/N:1001~) DX220AF-7M DX220LC DX225LCA(S/N:1001~) DX225LCA-2 / DX200A-2 DX225LCA-7M / DX200A-7M DX225NLCA SOLAR 130-2 SOLAR 130-III SOLAR 130-V SOLAR 130LC-V SOLAR 130W-III SOLAR 130W-V(1) SOLAR 130W-V(2) SOLAR 140-V SOLAR 140LC-V SOLAR 140W-V SOLAR 160W-V SOLAR 170-III 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 255LC-V SOLAR 70-III SOLAR 80W-III TXC140-1 TXC175-1 TXC225-1 TXC255-1 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 255LC-V DX225LCA	0.04KG	EA
401106-00217	DX150-9C/DX150LC-9C/DX150LC-9CN DX150W-10/DX150W-10N DX150W-7B DX150W-9C/DX150W-9CN DX210-7M DX210W-10/DX210W-10N DX210W-7B DX210W-9C (S/N:30001~) DX210W-9C/DX210W-9CN DX215-10/DX215-10N DX215-9C ACE/DX215-9CN ACE DX215-9C/DX215-9CN DX220LC-7M DX220LC-9C DX220LC-9C ACE DX225-10 DX225LC-10 DX230LC-9C DX245HD-10 DX245LC-9C ACE DX260LC-9C DX270HD-10 DX270LC-9C ACE DX140 DX140A DX140LC DX140W ACE DX140W ACE PLUS(S/N:8141~) DX140W TIER-III DX140W-5 DX140W-5 / DX160W-5 DX140W-5K(L)/DX160W-5K(L)(S/N:2485~) DX140W-7 / DX160W-7 DX140WA DX150W-7 / DX170W-7 DX170W-5 DX170W-7 DX180LC DX190W DX190W-5 DX190W-7 DX210-7 / DX210LC-7 / DX210NLC-7 DX210W DX210W-5 DX210W-5 DX210W-5B DX210W-5K(L) DX210W-7 DX210WA DX220LC (TIER-3) DX220LC-5 DX220LC-5K(L) DX220LCA DX220W-7 DX225LC (S/N 5433~) DX225LC-5 DX225LC-7 DX225LC-7M / DX225-7M DX225LC-7X DX230LC DX235LC-5 DX235LC-7 / DX245NHD-7 DX235LCR DX235LCR-5 DX235LCR-5 DX235LCR-5K(L) DX235LCR-7 DX235NLC-5 DX240LC-7 DX240LC-7X DX240LCR-7 DX255LC DX255LC-5 DX255LC-7 DX260LCA DX300LCA DX300LCA-7M DX340LCA DX360LCA(S/N:5950~) DX420LCA DX480LCA / DX500LCA / DX520LCA DX160W RAIL WAY DX180LC DX235NLC DX255LC
401107-01135	DX360LC-3BDX360LC-7BDX360LC-9C DX380-10 DX380-9C ACE DX380HD-10 DX380LC-9C DX380LC-9C ACE DX400LC-7BDX450LC-3B/DX450LC-9C DX490LC-9C/DX500LC-9C/DX520LC-9C DX500-9CACE/DX500LC-9C ACE/DX560LC-9C ACE DX500HD-10/DX560HD-10 DX500LC-9C (S/N:22001~22044) DX500LC-9CACE/DX560LC-9CACE (S/N:30001~) DX680HD-10 DX300LC-5 DX300LC-5(S/N:1001~1057) DX300LC-5(S/N:1058~) DX340LC-5/DX350LC-5(S/N:10001~10049) DX340LC-5 / DX350LC-5(S/N:10050~) DX380LC-5 DX380LC-5 / DX400LC-5 DX380LC-5K(L) DX380LC-7 DX380LC-7K DX400LC-7 DX400LC-7M DX420LC-5(S/N:10001~10010) DX420LC-5(S/N:10011~) DX420LC-7 DX420LC-7K DX450LC-7M DX490LC-5/DX530LC-5 DX490LC-5(S/N:10001~10011) DX490LC-5(S/N:10012~) DX490LC-7/DX530LC-7 DX490LC-7K / DX530LC-7K DX490LC-7M / DX530LC-7M DX530LC-5(NT)(S/N:10001~10024) DX530LC-5(NT)(S/N:10025~) DX530LC-5(S/N:10001~10006) DX530LC-5(S/N:10001~10055) DX530LC-5(S/N:10007~) DX530LC-5(S/N:10056~) DX530LC-5B DX530LC-5K(L) DX550LC-7 DX650LC-7	0.16KG	EA