5I8401 Hydraulic Piston fit Caterpillar
5I8401 Hydraulic Piston fit Caterpillar
- New aftermarket part
- 30 day returns
- Manufacturer's warranty
5I8401 Hydraulic Piston for Caterpillar
The 5I8401 is a hydraulic piston used in Caterpillar equipment, including Caterpillar engines, machines, and excavators. This is a new aftermarket hydraulic piston manufactured by CTP (Costex Tractor Parts).
Fitment
The piston is listed for use with the following Caterpillar equipment models and machine series:
- Caterpillar 3176C
- Caterpillar 3306
- Caterpillar 330
- Caterpillar 330 L
- Caterpillar 330B L
- Caterpillar 330B LN
- Caterpillar 345B
- Caterpillar 345B L
- Caterpillar W330B
The supplied application data identifies the part for Caterpillar engine and machine applications as well as Caterpillar excavator equipment. Fitment should be checked against the equipment model and the part number installed on the machine before assembly.
Cross-reference numbers
| CTP SKU | 5I8401 |
| Part number format | 5I-8401 |
The numbers 5I8401 and 5I-8401 identify the same hydraulic piston reference in the supplied product data. The hyphenated and non-hyphenated formats are included for parts catalogue and equipment identification purposes.
Specifications
| Part type | Hydraulic piston |
| Product category | Hydraulic barrels and pistons |
| Equipment brand | Caterpillar |
| Application | Caterpillar engine, machine, and excavator equipment |
| Weight | 0.91 lb |
| Width | 5.5 cm |
| Length | 11 cm |
| Depth | 5.5 cm |
The listed dimensions are width 5.5 cm, length 11 cm, and depth 5.5 cm. The stated weight is 0.91 lb. The available product data does not specify the piston material, bore size, operating pressure, sealing arrangement, installation position, or additional components supplied with the part.





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