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330DL Hydraulic Arm(Stick) Cylinder | PN:234-4601 / 2344601 | High-Grade Aftermarket Replacement
Remark: Original text wrong marked Hyundai, this cylinder fits 330D / 330DL / 330DLN Excavator, not Hyundai machine
1. Basic Product Info
Premium aftermarket stick hydraulic cylinder assembly for 330D,330DL,330DLN heavy excavator, OEM part No.:234-4601 / 2344601 / CA2344601, direct interchange original factory arm cylinder, controls stick extend & retraction for quarry mining, rock excavation, heavy earthmoving engineering. Full original dimension, pin pitch, oil port layout for plug-and-play installation without machining modification.
| Item |
Specification |
| Product Name |
Hydraulic Arm / Stick / Dipper Cylinder |
| Fit Model |
330D,330DL,330DLN Crawler Excavator |
| OEM PN |
234-4601,2344601 |
| Quality Grade |
New High Quality Aftermarket |
| Warranty |
12 months against manufacturing defect |
| MOQ |
1 unit available in stock |
| QC Standard |
ISO9001 certified, full high-pressure leakage test before delivery |
2. Core Technical Parameter
| Spec Item |
Data |
| Bore Diameter |
150mm |
| Piston Rod Diameter |
110mm |
| Rated Working Pressure |
34.3MPa |
| Factory Test Pressure |
51.45MPa(1.5×nominal working pressure) |
| Barrel Tube |
ST52 seamless alloy steel, precision deep inner honing, low roughness inner wall |
| Piston Rod |
40CrMo quenched & tempered, hard chrome coating 28~32μm, surface hardness HRC67~70 anti-abrasion & anti-rust |
| Matched Seal Kit PN |
234-4601-KIT |
| Operation Temp |
-25℃ ~ +85℃ |
| Structure |
Double ear with copper wear-resistant bushing, built-in end buffer to reduce impact damage |
3. Product Advantages
- 1:1 OEM Interchange: Fully same mounting size & hydraulic interface as original CAT spare parts, compatible with original arm linkage and hydraulic pipeline.
- Heavy-Duty Reinforced Design: Thickened lug root to avoid cracking under frequent heavy-load rock digging, customized for mine & harsh construction site.
- Strict Pre-delivery Inspection: Full-stroke reciprocating cycling + high-pressure tightness test to eliminate inner & outer oil leakage before shipment.
- Cost-Effective: Same service performance as genuine CAT cylinder while saving 40%~52% purchasing cost for global parts dealers & repair workshops.
- Flexible Shipment: In-stock items ship within 3 working days; urgent order via air freight(3~7days), bulk wholesale by sea(30~40days).
4. Supplier Profile
Our factory specializes in CAT D-series hydraulic cylinders over 12 years, complete boom/arm/bucket cylinder range covering 320D/330D/336D/345D series, products mainly exported to Africa, Southeast Asia, Middle East aftermarket spare parts market.
5. FAQ
Q1: Can it fit 336D?
A: No, 336D uses independent part number, dimension differs, cannot cross installation.
Q2: Standard package includes seal repair kit?
A: Standard cylinder without seal set; matched seal kit available separately with preferential price when purchasing together.
Q3: Export anti-rust packaging?
A: Barrel filled anti-rust hydraulic oil, piston rod coated anti-rust grease, wrapped waterproof PE film + solid export plywood case for long ocean transit.
Q4: Discount for full set boom+arm+bucket cylinder bulk order?
A: Combined full-set purchase enjoys tiered discount plus consolidated shipment to cut total logistics cost.
Q5: After-sales for oil leakage within warranty?
A: Provide onsite leakage photos + excavator serial number, we supply free replacement seal kit or remote installation guidance in warranty period.
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