Excavator Seal Kits

YNF18301 / 707-98-47720 Bucket Cylinder Seal Kit is designed for Komatsu PC220-8 excavator bucket cylinder repair. When the bucket cylinder starts leaking oil, losing pressure, or moving weakly, a reliable seal kit is the fastest way to restore performance and reduce downtime. This kit is built for excavator hydraulic cylinder maintenance, helping reduce internal leakage, improve sealing performance, and support stable bucket movement under demanding jobsite conditions. Stop

Reliable Sealing Starts with the Right Arm Cylinder Seal Kit When the arm cylinder on a Komatsu PC220-8 begins to leak, the machine usually shows the same warning signs: reduced digging force, unstable arm movement, oil seepage around the cylinder, and more downtime during daily work. For fleet owners, repair shops, and equipment users, choosing the correct seal kit is the fastest way to restore hydraulic performance without replacing the entire cylinder. YNF18300 707-98

YNF18215 Bucket Cylinder Seal Kit 172481-72510 for VIO20-3 – Bucket Repair Kit Product Overview YNF18215 Bucket Cylinder Seal Kit (Part No. 172481-72510) is a high-quality replacement kit designed for VIO20-3 machinery. This bucket repair kit includes all essential seals required to maintain the bucket hydraulic cylinder, prevent leaks, and ensure smooth operation. Made from durable materials with precision engineering, it provides reliable performance, long service life, and

YNF18214 Arm Cylinder Seal Kit 172481-72310 for VI020-3 – Middle Arm Repair Kit Product Overview YNF18214 Arm Cylinder Seal Kit (Part No. 172481-72310) is a high-quality replacement kit designed for VI020-3 machinery. This middle arm repair kit includes all essential seals to maintain the hydraulic cylinder, prevent leaks, and ensure smooth movement of the arm. Manufactured with durable materials and precise engineering, it guarantees reliable operation, long service life,

YNF18213 Boom Cylinder Seal Kit 172481-72410 for VI020-3 Product Overview YNF18213 Boom Cylinder Seal Kit (Part No. 172481-72410) is a high-quality replacement kit designed for VI020-3 machinery. This kit includes all essential seals for the boom hydraulic cylinder, ensuring smooth movement, preventing leaks, and maintaining optimal hydraulic performance. Manufactured with durable materials and precise engineering, it provides reliable operation, long service life, and easy

YNF18212 Bucket Cylinder Seal Kit 70-95MM for SH100-1 / SH100-2 / SH100-3 Product Overview YNF18212 Bucket Cylinder Seal Kit is a high-quality replacement kit designed for SH100-1, SH100-2, and SH100-3 machinery. This kit includes all essential seals required to maintain the bucket hydraulic cylinder, prevent leaks, and ensure smooth operation. Manufactured with durable materials and precision engineering, it guarantees reliable performance, long service life, and easy

YNF18211 Arm Cylinder Seal Kit 31Y1-30111 for R290-9 – Middle Arm Repair Kit Product Overview YNF18211 Arm Cylinder Seal Kit (Part No. 31Y1-30111) is a high-quality replacement kit designed for R290-9 machinery. This middle arm repair kit includes all essential seals to maintain hydraulic cylinder performance, prevent leaks, and ensure smooth movement of the arm. Made from durable materials with precision engineering, it guarantees reliable operation, extended service life,

YNF17851 PC200-6 Slewing Ring Outer Rubber Seal – Small Size, Black Product Overview The YNF17851 Slewing Ring Outer Rubber Seal is designed for PC200-6 excavators. This small-sized black rubber seal fits the outer ring of the slewing bearing, effectively preventing dust, dirt, and debris from entering the bearing assembly while retaining lubricant inside. Made from high-quality, wear-resistant rubber, it ensures long-lasting performance, protects the slewing ring from

YNF05276 PC200-7 / PC200-8 Slewing Ring Outer Rubber Seal – Small Size, Black Product Overview The YNF05276 Slewing Ring Outer Rubber Seal is designed for PC200-7 and PC200-8 excavators. This small-size, black rubber seal fits the outer ring of the slewing bearing, effectively preventing dust, dirt, and debris from entering the bearing assembly while retaining lubricant inside. Made from high-quality, wear-resistant rubber, it ensures long-lasting performance and protects the

YNF17865 VOE11707029 Tilt Cylinder Seal Kit – Hydraulic Cylinder Repair Kit Product Overview The YNF17865 Tilt Cylinder Seal Kit (VOE11707029) is a high-quality repair kit designed for tilt cylinders in construction machinery. This kit contains precision-engineered seals, including oil seals, O-rings, and wiper seals, to restore the cylinder’s hydraulic performance and prevent leakage. Made from durable, wear-resistant, and oil-resistant materials, the seals ensure long

YNF17621 YW32W01018P1 Oil Seal – Hydraulic & Engine Shaft Seal Product Overview The YNF17621 Oil Seal (YW32W01018P1) is a precision-engineered sealing component designed for hydraulic systems, engines, and rotating shafts. Made from high-quality, oil-resistant materials, this seal effectively prevents oil leakage and protects shafts and housings from dust, dirt, and contaminants. Its durable construction ensures stable performance under pressure, rotation, and heavy-duty

YNF17620 2441U815S132 Oil Seal – Hydraulic & Engine Shaft Seal Product Overview The YNF17620 Oil Seal (2441U815S132) is a precision-engineered sealing component designed for hydraulic systems, engines, and rotating shafts. Made from high-quality, oil-resistant materials, this seal effectively prevents oil leakage while protecting shafts and housings from dust, dirt, and other contaminants. Its durable construction ensures reliable performance under pressure, speed, and heavy

YNF17557 4481863 Seal Kit – Hydraulic & Engine Seal Set Product Overview The YNF17557 Seal Kit (4481863) is a complete set of high-quality seals designed for hydraulic systems, engines, and rotating machinery. This kit includes oil seals, dust seals, and O-rings, providing all necessary components for maintenance, overhaul, or repair. Manufactured from durable, oil-resistant materials, the seals ensure reliable performance, prevent oil leakage, and protect equipment from dust

YNF17556 4369768 Seal Kit – Hydraulic & Engine Seal Set Product Overview The YNF17556 Seal Kit (4369768) is a comprehensive set of high-quality oil seals designed for hydraulic systems, engines, and rotating machinery. Each kit contains essential seals, including oil seals, dust seals, and O-rings, to ensure complete replacement and maintenance of critical components. Manufactured from durable, oil-resistant materials, this seal kit provides reliable sealing performance,

YNF17533 230×260×10 Dust Seal – Heavy-Duty Protective Oil Seal Product Overview The YNF17533 Dust Seal (230×260×10) is a high-quality protective seal designed for heavy-duty hydraulic and industrial applications. It prevents dust, dirt, and other contaminants from entering machinery components while retaining lubricants for smooth operation. Made from durable, wear- and heat-resistant materials, this seal ensures long service life and reliable performance in harsh working

YNF17391 CFW 45×75×8–8.5 Oil Seal – Hydraulic & Engine Shaft Seal Product Overview The YNF17391 Oil Seal (45×75×8–8.5, CFW type) is a precision-engineered component designed for hydraulic systems, engines, and rotating shafts in construction and industrial machinery. Made from high-quality, oil-resistant materials, this seal effectively prevents oil leakage while protecting shafts and housings from dust and contaminants. Its durable construction ensures stable performance

YNF17379 60×75×8 PC120-6 Dust Seal – Hydraulic & Engine Protective Seal Product Overview The YNF17379 Dust Seal (60×75×8) is a high-quality protective seal designed for the PC120-6 excavator. It prevents dust, dirt, and other contaminants from entering hydraulic systems, engines, or rotating components, while retaining lubricants for smooth operation. Made from durable, wear- and heat-resistant materials, this seal ensures long service life and reliable performance under

YNF17332 SK100/200/300 O-Ring Kit – Dedicated O-Ring Box for Kobelco SK Excavators Product Overview The YNF17332 O-Ring Kit is a specially prepared set of O-rings designed for Kobelco SK series excavators, including SK100, SK200, and SK300 models. Each kit contains a range of commonly used O-rings for hydraulic systems, engines, and rotating components, ensuring reliable sealing and preventing oil leakage. Made from high-quality oil-resistant rubber, the O-rings provide long

YNF17153 200×223×10–15 PU-DSI Seal – Heavy-Duty Hydraulic Oil Seal Product Overview The YNF17153 PU-DSI Seal (200×223×10–15) is a heavy-duty hydraulic oil seal designed for large-diameter applications in construction and industrial machinery. Made from high-performance polyurethane (PU) material, this seal offers excellent wear resistance, high load-bearing capacity, and reliable sealing under harsh working conditions. The PU-DSI design ensures stable performance in dynamic

YNF17152 200×230×19 Oil Seal – Heavy-Duty Hydraulic & Industrial Seal Product Overview The YNF17152 Oil Seal (200×230×19) is a heavy-duty sealing component designed for large-diameter shafts and housings in hydraulic systems and industrial machinery. Manufactured from high-quality, oil-resistant material, this seal provides reliable sealing performance under high load and demanding working conditions. It effectively prevents oil leakage and protects internal components from