4J-3420 127 mm Bore Piston Guide
Cat® Plastic Wear Ring Piston Guide for Steering Ripper and Lift Cylinders
Description
Cat wear rings guide the hydraulic piston or rod to maintain alignment and prevent metal-to-metal contact, reducing wear and distributing pressure evenly across the seals.
Applications
Used as needed for servicing hydraulic cylinder components to ensure leak-free equipment. Refer to your Operation and Maintenance Manual or contact MECHSC for more information.
Specifications
| Width – A (+/- 0.762 mm) | 39.67 mm |
|---|---|
| Inside Diameter – B (+/- 0.08 in) | 120.42 mm (4.74 in) |
| Outside Diameter | 127.00 mm (5.00 in) |
| Width – A (+/- 0.03 in) | 1.56 in |
| Material | Mixed Plastic Plastic |
Compatible Equipment
- Motor Graders: 16
- Track Loaders: 824C
- Dozers: D4, D6R III, D6R, D6N, D6M, D6T, D6R II, D6K2, D5H, D6T LGP, D4E
- Excavators: 621H, 621G
- Wheel Loaders: R3000H, 834, 980, R2900G, R1700 II, R1700G
- Off-Highway Trucks: 785
- Asphalt Pavers: AD63, AD45
Additional information
| Machine Model | 16, 621G, 621H, 785, 824C, 834, 980, AD45, AD63, D4, D4E, D5H, D6K2, D6M, D6N, D6R, D6R II, D6R III, D6T, D6T LGP, R1700 II, R1700G, R2900G, R3000H |
|---|---|
| Equipment Type | Excavators, Wheel Loaders, Track Loaders, Dozers, Motor Graders, Off-Highway Trucks, Asphalt Pavers |
| Part Source | Genuine OEM |








