2173673 Isolation Seal fit Caterpillar
2173673 Isolation Seal fit Caterpillar
- New aftermarket part
- 30 day returns
- Manufacturer's warranty
2173673 Isolation Seal for Caterpillar Equipment
The 2173673 isolation seal is a sealing component for Caterpillar articulated dump trucks, engines used in machinery, and excavators. It is designed for installation between mating components to limit leakage and contamination and to dampen vibration at the connection. This is a new aftermarket spare part manufactured by CTP (Costex Tractor Parts).
Fitment
The seal is listed for the following Caterpillar equipment and engine applications:
- Caterpillar 725 articulated dump truck
- Caterpillar 730 articulated dump truck
- Caterpillar 3176C engine
- Caterpillar 3196 engine
- Caterpillar C-12 engine
- Caterpillar C-13 engine
- Caterpillar C11 engine
- Caterpillar C13 engine
- Caterpillar 345C excavator
The application categories identified for this part are Caterpillar articulated dump trucks, Caterpillar engine-machine assemblies, and Caterpillar excavators. Confirm the machine serial number and the existing seal dimensions before installation where multiple configurations are possible.
Cross-reference numbers
| SKU | 2173673 |
| Equipment manufacturer reference | 217-3673 |
| Part designation | SEAL-ISOLATI |
Numbers 2173673 and 217-3673 identify the same seal reference in the supplied part data. The designation SEAL-ISOLATI is used for this isolation seal.
Specifications
| Part type | Isolation seal |
| Category | Seals |
| Equipment brand | Caterpillar |
| Main seal material | HNBR rubber |
| Supporting material | Steel |
| Overall length | 1008 mm |
| Overall width | 346 mm |
| Product length | 101 cm |
| Product width | 34 cm |
| Product depth | 1 cm |
| Weight | 2 lb |
| Specified service temperature range | -40 to 115 °C |
Construction and application details
The sealing element is made from HNBR rubber, with a steel component forming part of the seal assembly. The stated material characteristics include resistance to fuels, oils, and lubricants, together with resistance to abrasion and cutting. These properties describe the supplied HNBR material and its intended operating environment; they do not define a separate installation procedure.
In service, the isolation seal is positioned at the interface of mating components. Its functions are to restrict the passage of fluids and contaminants through the joint and to reduce the transmission of vibration between connected parts. The part dimensions supplied for identification are an overall length of 1008 mm, an overall width of 346 mm, and a product depth of 1 cm.
Before fitting, compare the removed component with the listed reference numbers, dimensions, material, and the applicable Caterpillar model. The fitment information includes both complete machines and engines, so the exact installation position depends on the equipment configuration and the relevant assembly.
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