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Kobelco SK115DZ IV Bucket Hydraulic Cylinder | PN:2438U738F2 | Premium Aftermarket Replacement
1. Basic Product Info
High-quality aftermarket bucket hydraulic cylinder exclusively for Kobelco SK115DZ IV mid-size crawler excavator, OEM part number 2438U738F2, direct OEM replacement for original factory cylinder, controls bucket opening/closing for earthmoving, landscaping, municipal construction and rock loading jobs. Full compliance with original drawing dimension, pin spacing and oil port layout for direct bolt-on installation without machining modification.
| Item | Specification |
|---|
| Product Name | Hydraulic Bucket Cylinder |
| Fit Model | Kobelco SK115DZ IV |
| OEM Part No. | 2438U738F2 |
| Grade | Brand New Premium Aftermarket |
| Warranty | 12 months against manufacturing defects |
| MOQ | 1pc available from stock |
| QC Standard | ISO9001 certified, full hydraulic pressure testing |
2. Core Technical Parameters
| Spec Item | Data |
|---|
| Bore Diameter | 100mm |
| Piston Rod Diameter | 65mm |
| Rated Working Pressure | 34.3MPa |
| Factory Test Pressure | 51.45MPa(1.5*rated pressure) |
| Barrel Material | ST52 seamless alloy steel, precision inner honing finish |
| Piston Rod | 40Cr quenched & tempered steel, 28~32μm hard chrome plating, HRC67~70 anti-wear & anti-bending |
| Seal Set | Imported PU+NBR composite high-pressure oil seals, matched repair seal kit PN:2438U738R200 |
| Working Temperature | -25℃~+85℃ |
| Mount Type | Double ear lug with wear-resistant copper bushings |
3. Product Advantages
- 100% OEM Interchangeability: Same installation size as original 2438U738F2, perfectly matches original bucket linkage and hydraulic pipeline of SK115DZ IV.
- Strengthened Lug Design: Thickened ear root avoids crack under frequent heavy-load digging & rock impact, adapted to rugged construction site.
- Strict Pre-shipment Inspection: Every cylinder completes full-stroke reciprocating test & tightness test to eliminate inner/outer oil leakage before delivery.
- Cost-Effective Alternative: Equivalent working performance as genuine Kobelco spare parts while saving 42%~50% purchasing cost for repair dealers.
- Flexible Logistics: In-stock goods ship within 3 working days; air shipment 3~7 days for urgent order, sea cargo 30~38 days for bulk purchase.
4. Supplier Info
Our factory focuses on Kobelco SK series hydraulic cylinders over 12 years, complete boom/arm/bucket cylinder lineup for SK60, SK100, SK115DZ, SK120, SK130 series, products mainly exported to Africa, Southeast Asia and Middle East aftermarket market.
5. FAQ
Q1: Can it fit SK115SRDZ model?
A: No, SK115SRDZ uses different part number YX01V00005F1 and different cylinder dimension, not interchangeable.
Q2: Does cylinder come with seal kit?
A: Standard package without seal kit; matched repair seal kit PN:2438U738R200 can be purchased separately with bundle discount.
Q3: Anti-rust packing for ocean transit?
A: Inner barrel filled anti-rust oil, piston rod coated anti-rust grease, wrapped waterproof PE film + export plywood case.
Q4: Discount for full set boom+arm+bucket cylinder order?
A: Combined full-set purchase gets tiered unit discount and consolidated one-time freight to cut total logistics cost.
Q5: Warranty for abnormal oil leakage?
A: Provide leakage photos + excavator serial number, we offer free replacement seal kit or remote installation guidance within warranty period.
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