5J8019 Piston Wear Ring fit Caterpillar
5J8019 Piston Wear Ring fit Caterpillar
- New aftermarket part
- 30 day returns
- Manufacturer's warranty
5J8019 Piston Wear Ring for Caterpillar Equipment
The 5J8019 piston wear ring is a component used in piston ring sets for Caterpillar equipment. It is installed on the equipment listed in the fitment section below and is identified by the Caterpillar part number format 5J-8019. This is a new aftermarket spare part manufactured by CTP (Costex Tractor Parts).
The part is listed as a piston wear ring and is intended for use in the piston assembly of compatible Caterpillar machines. The supplied dimensions identify the ring by its internal diameter, outside diameter, and axial width. These measurements can be used for comparison with the removed component and the machine service documentation before installation.
Fitment
The 5J8019 piston wear ring is listed for the following Caterpillar equipment models and machine series:
- Tracked bulldozers: 6A
- Tracked bulldozers: 6S
- Tracked bulldozers: 6SU
- Tracked bulldozers: D6H
- Tracked bulldozers: D6H II
- Off-road dump trucks: 768B
- Off-road dump trucks: 768C
- Off-road dump trucks: 769
- Off-road dump trucks: 769B
- Off-road dump trucks: 769C
- Off-road dump trucks: 769D
- Off-road dump trucks: 771C
- Off-road dump trucks: 771D
Fitment is specified by machine model or series. The model designation should be checked against the equipment identification information and the existing piston assembly before the part is installed, particularly where the same machine series has more than one configuration.
Cross-reference numbers
The part number is shown in two formatting variants used to identify the same component:
- 5J8019
- 5J-8019
SKU: 5J8019.
The number 5J-8019 is the equipment manufacturer part-number format provided for this piston wear ring. No additional supplier cross-reference numbers are specified in the available product data.
Specifications
| Part type | Piston wear ring |
| Product category | Piston Ring Sets |
| Equipment brand | Caterpillar |
| Part status | New aftermarket spare part |
| Manufacturer | CTP (Costex Tractor Parts) |
| Inner diameter | 3.49 in, tolerance ±0.08 in |
| Outside diameter | 3.75 in |
| Width | 1.25 in, tolerance ±0.03 in |
| Listed weight | 0.2 lb |
| Listed length | 30.48 cm |
| Listed width | 30.48 cm |
| Listed depth | 2.54 cm |
The ring dimensions are provided in inches, while the listed product dimensions are provided in centimetres. The inner diameter, outside diameter, and width refer to the wear ring specification. The length, width, depth, and weight are the product dimensions and weight stated in the available data.























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