Choose the seal kit of Ruijueparts. Slash costly downtime.Fits equipment: SD300N 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: EX400-5, ZAXIS 240 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. 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: DX300-7 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 This aftermarket 561-33-71550 rear brake backup ring is referenced for selected Komatsu HD785-7 rear wheel and rear axle final brake assemblies. It is an individual sealing-support component used in the brake-piston arrangement, not a full brake repair kit or a standard O-ring. The correct component must be selected...

Product Description This aftermarket 561-33-71471 brake backup ring is referenced for selected Komatsu HD785-7 front axle brake assemblies. It is an individual support ring in the brake sealing arrangement, not a complete brake seal kit or a standard O-ring. The reference is listed in both left- and right-hand front brake...

Product Description The 7D-8436 D-Ring Seal is an aftermarket replacement transmission seal ring for selected Caterpillar motor graders. Its official reference inside diameter is 152.40 mm. The seal supports clutch operation in transmissions and torque converters by allowing oil to pass from a stationary component to a rotating component while...

Choose the seal kit of Ruijueparts. Slash costly downtime.Fits equipment: PC1250, PC1250SP 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.

Choose the seal kit of Ruijueparts. Slash costly downtime.Fits equipment: 14M, 14M-3, 14M3, 14 Condition: New – Open box: A new, unused item Brand: CATERPILLAR (CAT) 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 AH173410 is an aftermarket 80 mm unitized hydraulic-cylinder piston for verified John Deere applications. Deere identifies AH173410 as a hydraulic cylinder piston, rather than a complete rod-and-bore seal kit. It is the piston-side assembly that provides sealing within compatible 80 mm bore cylinders. Published dimensions list a 30.58...

Choose the seal kit of Ruijueparts. Slash costly downtime.Fits equipment: 14H NA 14M 14 14M-3 14M3 14H 14G D353E D346 D348 D353C D353D D375D Condition: New – Open box: A new, unused item Brand: CATERPILLAR (CAT) replacementTarget Audience: Customers with long-term procurement needs for sealing kits, including repair shops, distributors,...

Product Description This aftermarket 561-34-71680 brake backup ring is referenced for selected Komatsu HD785-7 rigid mining dump truck front wheel brake assemblies. It is an individual backup ring within the brake sealing arrangement, not a complete seal kit or a general-purpose O-ring. During brake service, the ring must be matched...

Product Description This aftermarket 561-33-71480 brake backup ring is referenced for the front wheel brake assembly of selected Komatsu HD785-7 rigid mining dump trucks. It is an individual sealing-support ring used within the brake assembly, rather than a complete seal kit or a standard O-ring. When the brake assembly is...

Choose the seal kit of Ruijueparts. Slash costly downtime. Condition: New – Open box: A new, unused item Brand: JCB 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 711-60-05030 is an aftermarket torque converter service kit matched 1:1 to the original Komatsu repair kit reference. It is used for service work on the torque converter in the specified D375A-5D crawler dozer powertrain configuration. The torque converter transfers engine power into the transmission system, making the original...

Choose the seal kit of Ruijueparts. Slash costly downtime.Fits equipment: FB518, PR-105, GH52, 57H, 56H, 57, 56, 55, D4HTSK III, D4HTSK II, 627, 621, 623, 637, 631D, 631E, 631C, 623B, 623E, 621B, 633C, 621R, 621E, 633D, 639D, 627B, 637D, 637E, 615, 633, 611, 621E, 633B, 633D, 621B, 623B, 623E, 639D,...

Part Name: 7J-3863 9J-1203 Seal KitMachine Models: 994, 69D, 773, 769D, 769C, 771D, 771CBrand: Caterpillar replacementType: Seal‑Ring / Ring SealApplication: Used in hydraulic and mechanical assemblies of Caterpillar machines to provide wear‑resistant sealing, prevent fluid leakage, and support pressure retention in heavy equipment systems.Size: Standard SizeSupply Ability: 10,000 sets per...

Choose the seal kit of Ruijueparts. Slash costly downtime.Fits equipment: DL300-3 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 AH205062 is an aftermarket 100 mm unitized hydraulic-cylinder piston for verified John Deere applications. Deere identifies it as a hydraulic cylinder piston, not a complete seal kit. This piston-side assembly incorporates sealing and bearing elements for cylinders built around its specific piston geometry. Published reference dimensions include a...

Product Description 6I-2435 is an aftermarket replacement radiator spacer for selected Caterpillar cooling-system assemblies. This EPDM rubber component has an 80 mm inner diameter, a 108 mm outer diameter, and a 25 mm thickness. It creates the required clearance between the radiator and its mounting structure within radiator or aftercooler...

Product Description This aftermarket 569-33-71510 rear brake piston ring is referenced in selected Komatsu mining dump truck rear axle and rear wheel brake assemblies. It is an individual ring used with the brake piston and adjacent sealing components during brake overhaul; it is not a complete brake seal kit or...

Product Description 17M-15-05121 is an aftermarket transmission control valve service kit matched 1:1 to the original Komatsu kit reference. It is used for servicing the transmission control valve on selected D155AX-5, D275A-5, and D275AX-5 crawler dozers. This valve manages transmission hydraulic circuits and gear-control functions within the powertrain; it is...

Product Description The aftermarket 195-22-05030 service kit is referenced for the transmission control and steering-related service system of verified Komatsu D375A-6 track-type tractors. It should be treated as a control service kit, rather than a hydraulic cylinder repair kit or a full transmission overhaul gasket set. This distinction matters when...