Product Description 375-1287 is an aftermarket steering cylinder seal kit for selected Caterpillar wheeled excavators and material-handling equipment. This reference is intended for steering-cylinder service, helping repair teams renew sealing components when diagnosing external leakage or pressure loss at the steering cylinder. It should not be selected as a general...

Product Description 233-9204 is an aftermarket hydraulic blade tip cylinder seal kit for selected Caterpillar motor graders. Published hydraulic-kit catalogues cross-reference it to blade tip cylinder group 131-7191, with a 1.50 in rod and 2.75 in bore. On a grader, this cylinder adjusts blade-tip position; it is not a blade...

Product Description 238-4462 is an aftermarket hydraulic cylinder seal kit for selected Caterpillar equipment with a 2 in rod and 3 in bore reference. It is not limited to one cylinder function: published references associate this kit with motor grader blade lift and centershift cylinders, plus selected articulated-truck hydraulic cylinder...

Product Description 160-6386, 9Y-1655, and 8N-7139 are cross-reference numbers for an aftermarket radiator core and end-tank seal used in selected Caterpillar cooling-system assemblies. Made for radiator service work, this EPDM rubber seal reference helps buyers identify the correct component when rebuilding folded-core radiator sections or addressing leakage around radiator tank...

Product Overview The 6229417 hydraulic seal kit is a reliable aftermarket replacement for Caterpillar machinery. Designed for motor grader hydraulic applications, it includes sealing components such as rod seals, piston seals, backup rings, and O-rings to restore sealing performance and prevent hydraulic fluid leakage. It is suitable for grader hydraulic...

Product Description High-quality 289-6336 Drive Motor Seal Kit designed for Caterpillar skid steer loaders and asphalt compactors. This aftermarket repair kit includes all necessary seals to restore hydraulic performance and prevent leaks in single-speed drive motors. Durable, reliable, and precision-engineered for long-lasting service in harsh working environments. Item specifics Part...

Product Description The 489-1720 Bucket Cylinder Seal Kit from Ruijueparts is a high-performance aftermarket solution engineered for 50-ton class heavy excavators. Designed for 110mm Rods and 160/170mm Bores, this kit provides superior hydraulic retention and debris exclusion for high-pressure digging operations. We utilize premium materials to ensure our seals withstand...

Part Name: 3980963 Seal KitMachine Models: 320D / 320D2 / 320D3 / 323D3Brand: Caterpillar replacementType: Hydraulic Cylinder Seal KitApplication: Used in boom hydraulic cylinders of excavators to maintain hydraulic pressure, prevent oil leakage, and ensure stable operation of the lifting system.Size: Standard SizeSupply Ability: 10,000 sets per monthPerformance: Oil SealingPlace of...

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...

Product Description Restore the hydraulic integrity of your heavy machinery with the high-grade 244-2050 Tilt Cylinder Seal Kit from Ruijueparts. Designed for Caterpillar’s heavy-duty applications, this 9-piece kit is engineered to withstand high-pressure environments, preventing fluid bypass and protecting your equipment from contamination. This kit features a 6.50" (165.1 mm)...

Part Name: 7J-3864 9J-1186 Seal KitMachine Models: 994, 69D, 773, 769D, 769C, 771D, 771CBrand: Caterpillar replacementType: Buffer Seal / Seal RingApplication: Installed in hydraulic or mechanical assemblies to protect contact surfaces, absorb shock, cushion movement, and prevent dust, dirt, or debris from entering the seal area.Size: Standard SizeSupply Ability: 10,000...

Product Description The 387-2867 aftermarket solenoid valve seal kit is a reference replacement for selected Caterpillar-compatible powertrain and hydraulic-control applications. Although described as a kit, the OEM reference identifies it as an O-ring sealing item for a solenoid valve; it is not a complete solenoid valve and not a hydraulic...

Product Overview The 5439716 hydraulic seal kit is a reliable aftermarket replacement for Caterpillar machinery. Designed specifically for articulation cylinder applications in motor graders, 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 articulation systems...

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...

Product Description 1K-6982 is an aftermarket press-in hydraulic cylinder wiper seal for selected Caterpillar equipment. It is a Type A, single-lip wiper designed for a 2.50 in. rod application, not a complete cylinder repair kit. The wiper is fitted at the rod-end gland and cleans the rod as it retracts,...

Product Description 6I-2431 is an aftermarket radiator core seal for selected Caterpillar cooling-system assemblies. It is a 160 mm EPDM rubber seal installed between the radiator core and the lower radiator tank; it is not a hydraulic cylinder, pump, or engine oil seal. A damaged seal can allow coolant leakage...

Product Description The 218-6824 Lift Cylinder Seal Kit is an aftermarket reseal kit for Caterpillar skid steer, multi-terrain, and compact track loaders. Published parts information identifies lift-cylinder service, including the 258-2558 lift cylinder group on the 246C. The compatibility list also includes selected 252B, 262B/C, 272C, 277C, 287C, 289C, 297C,...

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 Description The 164-3213 Hydraulic Cylinder Seal Kit is an aftermarket reseal kit for selected Caterpillar skid steer, multi-terrain, compact track, and compact wheel loaders. Published fitment data covers 216–272 skid steer models, 247–297 multi-terrain loaders, 259B3 and 289D compact track loaders, plus 904B/904H wheel loaders. Application is cylinder-group specific;...

Product Description 4P-9943 is an aftermarket EPDM rubber radiator end-tank seal for selected Caterpillar cooling-system assemblies. Also identified as a radiator fan-side end-tank seal, this 121 mm × 140 mm × 22.5 mm component is used during radiator service to seal the designated end-tank connection. It is not a hydraulic...

Product Description 258-0500 is an aftermarket replacement stick cylinder seal kit for selected Caterpillar wheeled excavators and material-handling machines. The reference kit is designed for a 120 mm cylinder-bore assembly and includes matched sealing, guiding and backup components for resealing the applicable cylinder group. Compatibility is configuration-specific: one machine may...

Product Description 8G-4190 is an aftermarket equalizer bar seal for selected Caterpillar tracked equipment. Also called an E-bar seal, it is installed at equalizer bar end-pin or center-pin joints to retain grease while the undercarriage oscillates and to help exclude dirt and moisture. It is a single undercarriage sealing component,...

Product Description RuijueParts offers the high-performance 233-2623 Stabilizer Cylinder Seal Kit, engineered to resolve hydraulic leaks and pressure loss in Caterpillar backhoe loaders. Manufactured from premium, wear-resistant materials, this kit ensures exceptional sealing integrity under extreme job site conditions. As a leading aftermarket specialist, we understand that downtime is costly....

Product Description 246-0655 is an aftermarket blade lift cylinder seal kit for selected Caterpillar crawler and wheel dozers. It services the hydraulic cylinders that raise and lower the blade, rather than the blade tilt or ripper system. Caterpillar lists D11N, D11R, and 854G as compatible models; published seal-kit catalogues also...