Products

Product Overview The 417509 oil seal is a multi‑lip nitrile shaft seal designed to prevent lubricant leakage and keep contaminants out in rotating equipment. It’s widely used as an industrial oil and grease sealing solution in aftermarket applications, ideal for heavy‑duty machinery maintenance and repair. Product Details: Part Name:  417509...

Choose the seal kit of Ruijueparts. Slash costly downtime.Fits equipment: 545, 558, 568, WA400, WA500-6, WD600-6 Condition: New – Open box: A new, unused item Brand: KOMATSU replacementTarget Audience: Customers with long-term procurement needs for sealing kits, including repair shops, distributors, import/export trading companies, and construction machinery rental companies.

Product Overview This Caterpillar 433‑5903 U‑Cup Seal is a durable hydraulic cylinder rod seal designed for heavy equipment suspension systems, ensuring reliable sealing and reduced leakage in demanding work conditions. Suitable for aftermarket use and direct replacement of OEM parts. Product Details: Part Name:  433-5903 seal kit Machine Models: AD60,...

Product Overview The 436-8721 hydraulic cylinder seal kit is a reliable aftermarket replacement for Caterpillar machinery. Designed for hydraulic cylinder resealing and maintenance applications, it includes rod seals, piston seals, backup rings, and O-rings to restore sealing performance and prevent fluid leakage. It is suitable for servicing hydraulic cylinders used...

Part Name: 4368721 Seal KitMachine Models: 444F, 444, 434, 434F2, 434FBrand: Caterpillar replacementType: Hydraulic Cylinder Seal KitApplication: Used for hydraulic cylinder repair and maintenance in backhoe loaders to restore sealing performance and prevent hydraulic oil leakage.Size: Standard SizeSupply Ability: 10,000 sets per monthPerformance: Oil SealingPlace of Origin: ChinaPackaging Details: PP...

Product Overview The 437-3547 hydraulic cylinder seal kit is a reliable aftermarket replacement for Caterpillar machinery. Designed for hydraulic cylinder resealing and maintenance applications, it includes rod seals, piston seals, backup rings, and O-rings to restore sealing performance and prevent fluid leakage. This seal kit is suitable for repairing hydraulic...

Choose the seal kit of Ruijueparts. Slash costly downtime. Fits equipment: DL420A 400-V Condition: New – Open box: A new, unused item Brand: DOOSAN replacementTarget Audience: Customers with long-term procurement needs for sealing kits, including repair shops, distributors, import/export trading companies, and construction machinery rental companies.

Product Overview The 4535733 seal kit is an aftermarket hydraulic cylinder seal kit developed for Caterpillar backhoe loader applications. It is mainly used for bucket cylinder sealing repair, helping restore hydraulic sealing performance and reduce internal oil leakage. This Caterpillar seal kit typically includes rod seals, piston seals, and O-rings...

Product Overview The 4540380 hydraulic cylinder seal kit is an aftermarket replacement solution designed to fit hydraulic cylinders on Caterpillar loaders and backhoe loaders. It includes essential sealing components such as rod seals, piston seals, wipers, and O‑rings that help restore cylinder sealing performance and prevent hydraulic fluid leakage during maintenance...

Product Overview The 4548636 hydraulic seal kit is a reliable aftermarket replacement designed for Caterpillar backhoe loader lift cylinders. The seal kit includes rod seals, piston seals, backup rings, and O‑rings that help restore the cylinder’s sealing performance and prevent hydraulic fluid leakage during lift operations. Product Details: Part Name: 4548636...

Product Overview The 4548652 seal kit is a reliable aftermarket replacement for Caterpillar backhoe loader hydraulic systems. Designed specifically for boom cylinder applications, it contains sealing components such as piston seals, rod seals, backup rings, and O‑rings that help prevent hydraulic fluid leakage and restore the original sealing performance of...

Product Overview The 4560584 hydraulic seal kit is a reliable aftermarket replacement seal kit for Caterpillar heavy equipment. Designed for use in hydraulic cylinders on wheel loaders and track loaders, it contains essential sealing components such as rod seals, piston seals, O‑rings, and backup rings. These parts help restore sealing...