8J0112 Piston Wear Ring fit Caterpillar
8J0112 Piston Wear Ring fit Caterpillar
- New aftermarket part
- 30 day returns
- Manufacturer's warranty
8J0112 Piston Wear Ring for Caterpillar Equipment
The 8J0112 piston wear ring is a guiding component used with hydraulic pistons or rods in Caterpillar backhoe loaders. It supports piston or rod alignment and separates moving metal surfaces within the assembly. This is a new aftermarket spare part manufactured by CTP (Costex Tractor Parts).
Fitment
The part is listed for the following Caterpillar backhoe loader models:
- Caterpillar 416C
- Caterpillar 416D
- Caterpillar 420D
- Caterpillar 422E
- Caterpillar 424D
- Caterpillar 426C
- Caterpillar 428B
- Caterpillar 428C
- Caterpillar 428D
- Caterpillar 428E
Fitment should be checked against the machine model and the part number removed from the hydraulic piston or rod assembly before installation.
Cross-reference numbers
| SKU | 8J0112 |
| Part number format | 8J-0112 |
8J0112 and 8J-0112 are two written formats for the same referenced part number.
Specifications
| Part type | Piston wear ring |
| Application | Hydraulic piston or rod guidance |
| Equipment manufacturer | Caterpillar |
| Equipment type | Backhoe loader |
| Material | Nylon Type 6 |
| Outside diameter | 2.75 in |
| Hole diameter | 2.75 in |
| Inner diameter, B | 2.49 in ±0.08 in |
| Width, A | 0.94 in ±0.03 in |
| Weight | 0.1 lb |
| Length | 6.9 cm |
| Width | 6.9 cm |
| Depth | 2.3 cm |
The dimensional tolerances shown for the inner diameter and width are part of the supplied specification. The outside diameter and hole diameter are listed as 2.75 in.







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