Boom Cylinder

Durable boom cylinder assembly for ZX870-5G/ZX870LC-5G excavators. Features 25Mn steel tube, induction-hardened rod (HRC 55), hard chrome plating, and Japan/USA imported seals. 1-year warranty, OEM quality, wooden case packing.

Direct factory replacement boom cylinder assembly for Hyundai R290LC-9 and R300LC-9A excavators. Features OEM compatibility, 1-year warranty, and premium NOK/SKF seals for durability and leak-free performance.

Precision-engineered boom cylinder for Komatsu PC350-8, PC300-8, and PC300-7 excavators. Made from 25Mn steel with imported NOK/SKF seals for leak-proof performance. 100% pressure tested, 1-year warranty. OEM quality, durable and reliable.

Hydraulic boom cylinder for CAT 330 and 320 excavators. Made from 25 Mn steel with NOK and SKF seals. 1-year warranty, OEM quality, and over 16 years of manufacturing expertise. Durable, efficient, and built to last.

High-quality boom hydraulic cylinder for Komatsu PC400-7 excavator. Made from durable 25Mn steel with NOK/SKF seals. OEM standard, 1-year warranty. Over 16 years of export experience to 100+ countries. Custom options available.

Factory-direct boom hydraulic cylinder for CAT 5090b. OEM part number 4914653. ISO quality, 1-year warranty, and custom options available. Fast shipping to 100+ countries.

Boom hydraulic cylinder for Volvo EC700B/C EC750D excavators. Made from 25Mn steel with hardened chrome-plated rod and robotic welding. Equipped with NOK/SKF seals for low leakage. 100% pressure-tested to ISO standards. 1 year warranty and OEM quality.

Direct replacement boom cylinder for Hitachi ZX650-3 to ZX690-5A excavators. OEM quality, 1-year warranty, and durable construction. Custom options available. Packed in wooden case for safe shipping.

High-strength 25Mn steel boom cylinder for Hitachi ZX270 excavator. Features hard chrome-plated rods and NOK/SKF seals for durability. ISO certified, 100% tested, 1 year warranty. Custom options available.

Ultra-low leakage hydraulic boom cylinder with triple protection: dual-lipped NOK seals, forged end caps, and 55 HRC hardened rod with 30μm chrome plating. 100% pressure tested at 1.5x load. 12-month warranty. OEM quality for Volvo EC700B/EC700.

High-quality boom cylinder for Caterpillar 385C excavator. Features 55 HRC hardened chrome-plated piston rods, forged steel welded joints, 25Mn steel tubes, and imported NOK/SKF seals with

High-quality boom cylinder for Hitachi EX1200-6 excavator. Made with 25Mn steel tube, hardened chrome-plated rod, and Japan/USA imported seals. 1-year warranty, OEM standard, and leak rate under 1%. Durable and reliable for heavy-duty use.

High-strength 25Mn steel tube with dual-layer baked paint. Hardened chrome rod (HRC 55) for wear resistance. Premium NOK/SKF seals ensure ultra-low leakage. OEM quality, one-year warranty, wooden case packing.

New hydraulic boom cylinder for Hitachi EX750-5 and ZX800 excavators. Durable construction, 1-year warranty, and OEM quality. Custom options available. Ideal for heavy-duty applications.

New replacement bucket cylinder for Hitachi ZX470 excavator. Compatible with multiple models. Durable, OEM quality, 1-year warranty. Custom options available. 6000pcs monthly capacity.

New OEM boom cylinder for Hitachi ZX350LC-5B and ZX350LCN-5B excavators. 1-year warranty, 6000pcs monthly capacity. Durable, precision-engineered, and available in custom options. Packed in wooden case for safe shipping.

High-strength 45# steel hydraulic cylinder for Hyundai excavators. Supports 21-35 MPa pressure, -30-100°C range. Custom dimensions available. Over 16 years of export experience, ISO quality, and OEM service.

High-strength 45# steel boom cylinder for Komatsu PC300-8 excavator. Rated 21-35 MPa, -30-100°C. Custom dimensions available. OEM quality with over 16 years export experience.

High-strength 25Mn steel hydraulic cylinder for LG60 LG65 excavators. Features precision CNC machining, hard chromium plating, and Japan NOK/US SKF seals. Supports OEM customization. Reliable performance under 21-35 MPa pressure.

High-strength XE60 excavator boom cylinder for XCMG. Features hardened chrome rod, forged steel ends, and premium seals for zero leakage. Custom sizes available. Durable, efficient, and built for demanding jobs.