Mining dump trucks parts HD785-7 427-12-11343 SEAL OIL

Mining dump trucks parts HD785-7 427-12-11343 SEAL,OIL，427-12-11343 GENUINE PARTS

Product Name: Oil Seal (SEAL, OIL) 
Part number: 427-12-11343 
Applicable model: HD785-7 mining rigid dump truck 
Brand attribute: genuine original parts (Genuine Parts)

427-12-11343 is a key sealing component in the power transmission system of HD785-7 mining dump trucks. According to the cross-reference information for parts, this oil seal belongs to the powertrain and transmission case assembly subsystem. Its main function is to form a reliable static fluid barrier on the mating surface between the transmission and the axle housing, preventing leakage of synthetic transmission oil and hydraulic oil under high pressure and severe thermal cycling conditions. For the HD785-7, which performs heavy-haul transportation tasks in open-pit mines, the integrity of the oil seal in the transmission system is directly related to the overall machine availability and the service life of transmission components.

This part number has a clear substitution relationship: 427-12-11340, 427-12-11341, and 427-12-11342 have all been replaced by 427-12-11343. The currently produced 427-12-11343 is the directly compatible current version. When replacing inventory or making purchases, users can directly use this number without needing to search for parts with old numbers. The compatible models include HD785-7, as well as HD785-5, HD785-7R, and HD1500-7 mining dump trucks