141‑1974 180‑8500 180‑9367 Boom Arm Bucket Hydraulic Cylinder Assembly For CAT Excavator
Heavy‑duty hydraulic cylinder assembly with OEM part numbers 141‑1974, 180‑8500, 180‑9367, high‑pressure cylinder for CAT medium‑large excavator boom arm bucket overhaul.
Key Features
- Standard OEM part numbers 141‑1974, 180‑8500, 180‑9367, exact match for CAT excavator hydraulic cylinders
- Precision honed seamless cylinder tube, hard‑chrome plated piston rod, high wear‑resistant & anti‑corrosion
- Heavy‑duty high‑pressure structure, strong output force for digging, loading, mining heavy‑load working conditions
- Complete internal assembly: piston, rod, guide bushing, buffer ring, full oil seal kit pre‑installed
- Standard mounting dimensions, pin holes and port positions, direct bolt‑on replacement without modification
- Dust‑proof & buffer design, anti‑impact for rocky, muddy, dusty construction/mining sites
- Strict high‑pressure leakage testing before delivery, stable performance & long service life
- Compatible with CAT D‑series large excavator hydraulic system
| Item |
Specification |
| Part Number |
141‑1974 / 180‑8500 / 180‑9367 |
| Product Name |
Boom / Arm / Bucket Hydraulic Cylinder Assembly |
| Material |
High‑Strength Seamless Steel Tube, Hard Chrome‑Plated Piston Rod, NBR/FKM Oil Seals |
| Included Parts |
Cylinder Tube, Piston Rod, Piston, Guide Bushing, Buffer Ring, Complete Seal Kit, End Cover |
| Function |
Provide hydraulic power for boom lifting, arm crowding, bucket digging & dumping |
| Application |
CAT Medium‑Large Excavator Hydraulic Working System |
| Condition |
Brand New Aftermarket Replacement |
Related products
| Category |
Replaceable Part Numbers / Compatible Models |
| General OEM Series |
141‑1974, 180‑8500, 180‑9367 |
| Compatible Excavator Models |
325D, 329D, 330D, 336D, 345D |
Fitment Application
Specially designed for Cat D‑series medium‑large excavators, widely used in open‑pit mining, quarrying, large‑scale earthmoving, municipal engineering and heavy‑duty construction machinery maintenance.





FAQ
Q1: What are the OEM part numbers?
A1: 141‑1974, 180‑8500, 180‑9367.
Q2: Which CAT excavators do they fit?
A2: CAT 325D, 329D, 330D, 336D, 345D D‑series excavators.
Q3: Do they come with oil seals?
A3: Yes, full oil seal repair kit pre‑installed.
Q4: Can they be installed directly?
A4: OEM standard size, direct replacement without modification.
Q5: Are they suitable for mining heavy‑load work?
A5: Yes, heavy‑duty high‑pressure design for mining and rocky digging conditions.