Product Overview The 5439705 hydraulic seal kit is a reliable aftermarket replacement for Caterpillar machinery. Designed for motor grader hydraulic applications, it includes rod seals, piston seals, backup rings, and O-rings to restore sealing performance and prevent hydraulic fluid leakage. It is suitable for grader hydraulic maintenance where reliable sealing...

Product Description This aftermarket 561-34-71580 brake backup ring is referenced in the front wheel brake sealing arrangement of selected Komatsu HD785-7 rigid mining dump trucks. It is a single brake-assembly component rather than a complete repair kit. The backup ring works with its specified mating seal to support the sealing...

Product Description267-8985 is an aftermarket O-ring referenced for the steering axle on selected Caterpillar wheeled excavators. It is an individual sealing component rather than a full axle repair kit. The nearby 267-8984 reference describes another ring, so verify the exact groove and original number before ordering. Ruijueparts can assist with...

Product DescriptionCB11457801 is an aftermarket boom flex cylinder seal kit supplied by Ruijueparts. John Deere identifies this as a boom flex cylinder kit for selected 1850 and 2254 equipment; replacement catalogues list 2.5 inch rod and 4 inch bore. Some listings use boom lift wording, but the original product reference...

Product Description 4P-9942 is an aftermarket EPDM rubber radiator end-tank seal for selected Caterpillar cooling-system assemblies. With a 22.5 mm thickness, this reference is used during radiator repair to seal the specified joint between the radiator core and end tank, helping service teams address coolant leakage at the cooling-unit connection....

Product Description AT280406 is an aftermarket hydraulic control-valve spool seal kit for selected John Deere construction equipment. It reseals the movable spool section inside a control valve and may help address leakage or control loss from worn seals. It is not a hydraulic cylinder, pump, or engine seal kit. Parts...

Product Description Upgrade your equipment with this high-performance 1543279C1 Tilt Cylinder Seal Kit. Designed for CASE 580SK, 621B, and 721C models, this aftermarket solution ensures leak-free operation under high pressure. Engineered with premium wear-resistant materials to extend cylinder life and reduce downtime. Item specifics Part Number: 1542915C2 Fits Models: CASE...

Product Description 548/12801 is an aftermarket replacement quick hitch ram seal kit for selected JCB attachment-locking hydraulic cylinders. It is commonly used for a small 12.7 mm (1/2 in) rod × 25 mm bore cylinder that operates the quick-hitch or carriage locking pins. A correctly resealed locking ram helps maintain...

Product Overview The 71470760 hydraulic seal kit is a reliable aftermarket replacement for CASE machinery. Designed for hydraulic cylinders and 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 lift hydraulic cylinders used in...

Product Description087-6654 is an aftermarket bucket cylinder seal-kit reference in replacement catalogues for Caterpillar excavators. The listed families include 325B, 330, 330B and 350, subject to the installed cylinder configuration. A shared machine family is not enough to establish fit for every bucket cylinder. Check the original kit number and...

Product Description21N-30-16190 is an aftermarket O-ring identified by its complete Komatsu reference. The manufacturer catalogue classifies the reference as an O-ring, so this offer should not be confused with a floating seal assembly or a complete hydraulic repair kit. Confirm the installed assembly and the groove location before ordering. A...

Product Description 707-99-78450 is an aftermarket bucket cylinder seal kit referenced for the Komatsu PC2000-8 mining excavator. It is used when rebuilding the hydraulic cylinder that curls and dumps the bucket, helping restore sealing performance after leakage, pressure loss, or extended service wear. This reference is associated with bucket cylinder...

Product Description The 259-1035 Transmission Overhaul Gasket Kit is an aftermarket replacement for Caterpillar D9R track-type tractor transmission service. The official compatibility listing identifies D9R, but fitment may vary by serial-number range and transmission arrangement. Use it to disassemble, inspect, reseal, and rebuild the transmission. As the official catalog does...

Product Description This aftermarket 991/00061 loader lift cylinder seal kit is referenced for selected JCB backhoe loader lift rams with a 50 mm piston rod and 80 mm cylinder bore. It is commonly listed for later serial applications from M320000 onward, making serial-number verification essential when distinguishing it from earlier...

Product DescriptionVOE14589727 is an aftermarket bucket cylinder seal kit with a documented reference application on the Volvo EW160D wheeled excavator. An assembly table identifies bucket cylinder 14547546, providing a useful check beyond the machine model. The kit services the cylinder that curls and opens the bucket, while the dipper-arm cylinder...

Product Overview 2877722 is an aftermarket hydraulic seal kit developed for Caterpillar sealing applications. It is commonly used in hydraulic steering cylinder maintenance, helping restore sealing performance, reduce oil leakage, and support stable hydraulic system operation in heavy equipment service. Product Details: Part Name: 2877722 Seal Kit Machine Models: RM500, RM500B, RM500B,...

Product Description High-quality 1542923C2 aftermarket bucket cylinder seal kit by Ruijueparts. Specifically engineered for CASE 580K, 580SL, and 590 backhoe loaders. This durable repair kit features premium-grade materials to ensure leak-free operation and high-pressure resistance in tough working conditions. A cost-effective solution to restore hydraulic performance. Item specifics Part Number:...

Product Description 471-0276 is an aftermarket hydraulic steering cylinder seal kit for selected Caterpillar wheel loaders. It is cross-referenced to steering cylinder 395-0387, with a 55 mm rod and 95 mm bore. This cylinder operates the machine steering system and is not used for lift, bucket, or tilt functions. Caterpillar...

Product Description Maintain peak hydraulic performance with the 707-99-26220 Blade Lift Cylinder Seal Kit, designed specifically for Komatsu GD705-5 motor graders. This high-quality aftermarket kit provides a reliable solution for preventing fluid leaks and restoring cylinder pressure. Each set includes precision-engineered components such as dust seals, piston seals, O-rings, and...

Product Description161097A1 is an aftermarket o-ring supplied by Ruijueparts. The CASE Construction catalogue identifies this part as an individual O-ring and lists it in hydraulic service assemblies. The catalogue reference alone does not establish a universal excavator fit; supply the machine serial and diagram position. Neutral or customer-specified packaging is...

Product Description Aftermarket 87428628 front loader lift cylinder seal kit for compatible Case and New Holland backhoe loader applications. This kit is used to rebuild 90.00 mm bore and 50.80 mm rod hydraulic lift cylinders, helping replace worn sealing parts, reduce hydraulic oil leakage, and restore smooth loader lift and...

Product Description AH149842 is an aftermarket 80 mm hydraulic-cylinder bore seal kit for selected John Deere equipment. It is an internal piston-side kit: published data lists a four-piece capped T-seal, with no rod seal or wiper. This matters when diagnosing leaks—external rod-end leakage needs a different kit. AH212091 is the...

Product Description Since the arm cylinder (dipper) is constantly extending and retracting during excavation, its dust seals and rod seals are highly susceptible to wear from external mud and debris. When replacing the 12989100 kit, we recommend inspecting the piston rod for any bends or scratches; the intense lateral forces...

Product Description The 707-99-25280 Drawbar Shift Cylinder Seal Kit is an essential maintenance solution for Komatsu GD-series motor graders. Engineered for precision, this aftermarket kit restores hydraulic integrity to the drawbar shift system, ensuring smooth lateral movement and stable blade positioning. Designed to withstand heavy lateral loads and abrasive environments,...