BELPARTS MACHINERY LIMITED
| Payment Terms | L/C,D/A,D/P,T/T,TRADE ASSURANCE,WEST UNION,PAYPAL |
| Part name | Hydraulic Boom Cylinder |
| Part number | 22438U1177F4 2438U1177F2 |
| Condition | New |
| Emission standards | Stage V |
| Warranty | 1 Year |
| Quality | Aftermarket High Quality |
| Shipment | DHL FEDEX TNT EMS UPS / Ses / Air |
| Packaging Details | Wooden Case Packing |
| Certifiion | CE |
| Model | SK300LC IV SK300 IV |
| Supply Ability | 100 PCS / Months |
| Delivery Time | 3-7 Day |
| Appliion | Excavator |
| Brand Name | Belparts |
| Place of Origin | China |
| Model Number | SK300LC IV SK300 IV |
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Product Specification
| Payment Terms | L/C,D/A,D/P,T/T,TRADE ASSURANCE,WEST UNION,PAYPAL | Part name | Hydraulic Boom Cylinder |
| Part number | 22438U1177F4 2438U1177F2 | Condition | New |
| Emission standards | Stage V | Warranty | 1 Year |
| Quality | Aftermarket High Quality | Shipment | DHL FEDEX TNT EMS UPS / Ses / Air |
| Packaging Details | Wooden Case Packing | Certifiion | CE |
| Model | SK300LC IV SK300 IV | Supply Ability | 100 PCS / Months |
| Delivery Time | 3-7 Day | Appliion | Excavator |
| Brand Name | Belparts | Place of Origin | China |
| Model Number | SK300LC IV SK300 IV | ||
| High Light | SK300LC IV hydraulic boom cylinder ，Kobelco excavator spare parts ，aftermarket hydraulic cylinder Assy | ||
High-quality aftermarket LEFT HAND boom cylinder exclusively for Kobelco SK300LC-IV, SK300-IV crawler excavator, dual interchange OEM part numbers: 2438U1177F2,2438U1177F4, direct OEM replacement for original factory boom cylinder, controls boom lifting/lowering for heavy quarry mining, rock loading, large earthmoving and highway construction projects. Fully matched original dimension, pin pitch, oil port layout for plug-and-play installation without field machining modifiion.
| Item | Details |
|---|---|
| Product Name | Hydraulic Boom Cylinder (Left Side) |
| Fit Model | Kobelco SK300-IV, SK300LC-IV; also compatible with partial SK330LC-IV LH boom |
| OEM Part No. | 2438U1177F2, 2438U1177F4 |
| Quality Grade | Brand New High Standard Aftermarket |
| Warranty | 12 months against factory defects |
| MOQ | 1 unit in ready stock |
| QC Standard | ISO9001 certified, full hydraulic pressure inspection before shipment |
| Spec Item | Parameter |
|---|---|
| Bore Inner Dia | 150mm |
| Piston Rod Dia | 100mm |
| Rated Working Pressure | 34.3MPa |
| Factory Test Pressure | 51.45MPa (1.5×working pressure) |
| Barrel Tube | ST52 seamless alloy steel, precision deep inner honing |
| Piston Rod | 40Cr quenched & tempered steel, hard chrome coating 28~32μm, surface hardness HRC67-70 anti-bending & abrasion-resistant |
| Complete Seal Kit PN | 2438U1170R100 (optional separate purchase) |
| Operating Temp | -25℃ ~ +85℃ |
| Mount Structure | Double ear with wear-resistant copper bushing, piston rod side built-in buffer structure |
Our factory specializes in Kobelco SK series hydraulic cylinders over 12 years, complete boom/arm/bucket cylinder range covering SK200, SK250, SK300, SK330, SK350 IV series, products mainly exported to Africa, Southeast Asia, Middle East aftermarket spare parts market.
Q1: Can this LH cylinder replace right-hand boom cylinder (PN:2438U1170F series)?
A: No, RH boom uses separate part number 2438U1170F1/F2/F3/F4 with different oil port layout, cannot cross installation.
Q2: Does standard package include matching seal kit?
A: Standard cylinder without seal set; matched repair seal kit 2438U1170R100 available with bundle discount when ordered together.
Q3: Export anti-rust packaging for long ocean transport?
A: Inner cylinder filled anti-rust hydraulic oil, piston rod coated anti-rust grease, wrapped waterproof PE film + solid export plywood case.
Q4: Discount for full set boom+arm+bucket cylinder bulk purchase?
A: Full set combined order enjoys tiered unit discount plus consolidated single shipment to cut total logistics expense.
Q5: Warranty support for abnormal oil leakage?
A: Provide on-site leakage photos + excavator serial number, we supply free replacement seal kit or remote installation guidance within warranty period.
Company Details
Business Type:
Manufacturer,Exporter
Year Established:
2013
Total Annual:
$28000000-$41660000
Employee Number:
1200~1300
Ecer Certification：
Verified Supplier
Since 2013 Excavator Hydraulic Parts Manufacturer & Global Supplier Since 2013 Belparts Machinery Limited — Your Trusted Partner in Excavator Hydraulic Parts Who We Are Founded in September 2013 and headquartered in Guangzhou, China's premier engineering machinery hub, Belparts ha... Since 2013 Excavator Hydraulic Parts Manufacturer & Global Supplier Since 2013 Belparts Machinery Limited — Your Trusted Partner in Excavator Hydraulic Parts Who We Are Founded in September 2013 and headquartered in Guangzhou, China's premier engineering machinery hub, Belparts ha...
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