Product Description Looking for a reliable aftermarket repair solution? Part number 4639936 is a premium hydraulic boom cylinder seal kit precisely engineered to fit mid-to-large excavators. Manufactured with high-grade NBR and polyurethane materials, this kit ensures excellent wear resistance and leak prevention under high pressure. At Ruijueparts, we specialize in...

Product Description 5442390 is an aftermarket hydraulic seal kit reference for the boom swing, or arm-rotation, cylinder on MST backhoe loaders. It supports the cylinder that pivots the excavator boom laterally, rather than the lift, dipper, or bucket cylinder. Published catalogs list MST M542, M544, M542 Plus, M544 Plus, M642,...

Choose the seal kit of Ruijueparts. Slash costly downtime.Fits equipment: 432E, 420E, 434E, 420F Condition: New – Open box: A new, unused item Brand: CATERPILLAR 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 79099850 hydraulic seal kit is a reliable aftermarket replacement for CASE machinery. Designed for hydraulic cylinders and ram lift 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 in...

Choose the seal kit of Ruijueparts. Slash costly downtime.Fits equipment: DX225LC, DX255LC, DX230LC, TXC225LC-2 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 Description Restore the digging power of your Komatsu excavator with the 707-98-24530 Bucket Cylinder Seal Kit. Specifically engineered for the PC120-5 series, this high-performance aftermarket kit fits 105mm bore and 70mm rod bucket cylinders perfectly. It provides a reliable seal against high-pressure hydraulic fluids, preventing power loss and external...

Choose the seal kit of Ruijueparts. Slash costly downtime.Fits equipment: SD300 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 Description 1543274C1 is an aftermarket hydraulic cylinder seal kit for selected CASE backhoe loader and crawler dozer/loader applications. This reference is used across more than one cylinder function, including specified dipper, loader lift, loader bucket, and loader clam cylinders. For distributors, the key is cylinder-level identification—not machine model alone....

Product Description 5422690 is an aftermarket hydraulic cylinder seal kit for the excavator-side dipper arm cylinder on MST backhoe loaders. It is referenced for MST M542, M544, M542 Plus, and M544 Plus machines, with KK470 also appearing as a market reference. This kit is intended for cylinder resealing during repair...

Product Overview The 242‑2547 Hydraulic Cylinder Seal Kit is an aftermarket replacement designed to restore hydraulic cylinder sealing performance in Caterpillar construction equipment. Ideal for maintenance and rebuild applications, this kit meets quality expectations for reliable operation and reduced leakage.  Product Details: Part Name:  242-2547 seal kit Machine Models: D6B,...

Choose the seal kit of Ruijueparts. Slash costly downtime.Fits equipment: 416E, 416F, 432E, 420E, 434E, 422E, 420F, 428E Condition: New – Open box: A new, unused item Brand: CATERPILLAR replacementTarget Audience: Customers with long-term procurement needs for sealing kits, including repair shops, distributors, import/export trading companies, and construction machinery rental...

Product Overview The 110507A1 hydraulic seal kit is a reliable aftermarket replacement for CASE machinery. Designed for lift cylinder repair applications on skid steer loaders, it includes rod seals, piston seals, backup rings, and O-rings to restore sealing performance and prevent hydraulic fluid leakage. It is commonly used in CASE...

Product Description 707-99-71440 is an aftermarket ripper lift cylinder seal kit matched 1:1 to the original Komatsu repair kit reference. It is used on the D355A-3 crawler dozer ripper lift cylinder, which raises and lowers the rear ripper assembly during ground-breaking work. The referenced cylinder configuration uses a 90 mm...

Choose the seal kit of Ruijueparts. Slash costly downtime.Fits equipment: 966H, 966L, 966K, 966, 966M, 972H, 972K, 972M, 950, 972, 966XE, 966K XE, 972XE, 966M XE, 950M Z, 966 GC, OTHER Condition: New – Open box: A new, unused item Brand: CATERPILLAR replacementTarget Audience: Customers with long-term procurement needs for...

Product Description 707-98-52140 is an aftermarket tilt cylinder seal kit matched 1:1 to the original Komatsu repair kit reference. It services specified crawler dozer blade tilt and tilt/pitch cylinders, helping maintain blade cross-slope adjustment during grading, leveling, and material spreading. This kit is associated with 70 mm rod × 140...

Product Description 535-1471 is an aftermarket boom cylinder seal kit reference for Caterpillar mining hydraulic shovels. An independent mining seal-kit guide maps this reference to cylinder group 471-2158 on 6050 and 6050 FS machines and to boom/backhoe cylinder groups 459-2031 and 471-2158 on 6060. The listed cylinder size is a...

Product Description 6803472 is an aftermarket hydraulic cylinder seal kit referenced for selected older Bobcat compact loaders and skid-steer loaders. It is a 1-in. rod × 2-in. bore cylinder repair kit. Its installation position varies by machine: it is referenced for lift-cylinder service on some models and tilt-cylinder service on...

Product Description 132-6783 is an aftermarket hydraulic blade lift cylinder seal kit for Caterpillar D11N and D11R crawler dozers. It services the left- or right-hand dozer lift cylinders that raise and lower the blade; it is not the blade tilt, ripper or pin-puller kit. Published catalogues identify cylinder 4T2727 for...

Choose the seal kit of Ruijueparts. Slash costly downtime. Fits equipment: EX165 Condition: New – Open box: A new, unused item Brand: HITACHI replacementTarget Audience: Customers with long-term procurement needs for sealing kits, including repair shops, distributors, import/export trading companies, and construction machinery rental companies.

Choose the seal kit of Ruijueparts. Slash costly downtime. Fits equipment: ZX240-3-HCMC, ZX250K-3, ZX250LC-3-HCMC, ZX250LC-3-HCME, ZX270-3, ZX270-HHE, ZX280LC-3, ZX280LC-3-HCME, ZX280LCH-3 Condition: New – Open box: A new, unused item Brand: HITACHI replacementTarget Audience: Customers with long-term procurement needs for sealing kits, including repair shops, distributors, import/export trading companies, and construction...

Choose a Kit & Save Instantly.  Condition: New – Open box: A new, unused item Brand: BOBCAT replacement

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.

Choose the seal kit of Ruijueparts. Slash costly downtime. Fits equipment: SY65, SY75  Condition: New – Open box: A new, unused item Brand: SANY replacement

Product Description The 7X-2710 Hydraulic Cylinder Seal Kit is an aftermarket replacement for selected Caterpillar wheel loaders, not a dedicated wheel-dozer kit. Official models include 966D, 966E, 966F, 966F II, 970F, 992C, and 992D. Catalogs show lift use on 966/970 and steering use on 992C/992D; function varies by cylinder. Use...