1899377 FKM O-Ring fit Caterpillar
1899377 FKM O-Ring fit Caterpillar
- New aftermarket part
- 30 day returns
- Manufacturer's warranty
1899377 FKM O-Ring for Caterpillar Equipment
SKU 1899377 is an FKM O-ring seal for Caterpillar engines and excavators. It is a new aftermarket spare part manufactured by CTP (Costex Tractor Parts).
The seal is made from FKM fluoroelastomer and has a PTFE coating. The supplied part is identified by the Caterpillar equipment part number 189-9377 and is intended for sealing applications on the Caterpillar engine and machine systems listed below.
Fitment
This O-ring is used with the following Caterpillar equipment and engine models:
- Caterpillar 3126 engine
- Caterpillar 3126B engine
- Caterpillar C-9 engine
- Caterpillar C4.2 engine
- Caterpillar C6 engine
- Caterpillar C6.4 engine
- Caterpillar C7 engine
- Caterpillar C9 engine
- Caterpillar 311D LRR excavator
- Caterpillar 312D excavator
The listed fitment covers Caterpillar engine applications and Caterpillar excavator applications. Installation position and the exact sealing location depend on the machine configuration and the assembly in which the O-ring is used.
Before installation, compare the required seal dimensions and the reference number with the component being serviced. The listed Caterpillar models may include different configurations, so equipment identification should be checked against the machine parts documentation.
Cross-reference numbers
| SKU | 1899377 |
| Caterpillar part number | 189-9377 |
| Part type | FKM O-ring seal |
Specifications
| Seal type | O-ring |
| Material | FKM fluoroelastomer |
| Coating | PTFE, polytetrafluoroethylene |
| Temperature range | -40 to 350 °F |
| Temperature range | Approximately -40 to 176.7 °C |
| Inner diameter | 0.92 in |
| Inner diameter | Approximately 23.37 mm |
| Cross-section diameter | 0.12 in |
| Cross-section diameter | Approximately 3.05 mm |
| Weight | 0.1 lb |
| Package length | 3 cm |
| Package width | 3 cm |
| Package depth | 0.3 cm |
The inner diameter and cross-section diameter identify the nominal size of the sealing ring. The material is specified as FKM fluoroelastomer, while the PTFE coating is specified as the surface coating. The stated temperature range is -40 to 350 °F.
Product dimensions are provided as recorded for this part: 0.92 inches inside diameter and 0.12 inches cross-section diameter. The listed length, width and depth are 3 cm, 3 cm and 0.3 cm respectively.
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