8T7876 O-ring Seal for 8C-3345 fit Caterpillar
8T7876 O-ring Seal for 8C-3345 fit Caterpillar
- New aftermarket part
- 30 day returns
- Manufacturer's warranty
8T7876 O-Ring Seal for 8C-3345
8T7876 is a standard O-ring seal for Caterpillar articulated dump trucks. The part is a new aftermarket spare part manufactured by CTP (Costex Tractor Parts).
The seal is listed for use in Caterpillar articulated dump truck applications. The available fitment information identifies the equipment type and machine models shown below.
Fitment
- Equipment type: Caterpillar articulated dump truck
- Caterpillar 725
- Caterpillar 730
- Caterpillar 735
- Caterpillar 740
- Caterpillar D250E
- Caterpillar D300E
- Caterpillar D350E II
- Caterpillar D400E II
The listed model range includes the Caterpillar 725, 730, 735, and 740 articulated dump truck models, as well as the D250E, D300E, D350E II, and D400E II models. The model 730 and model 740 entries are repeated in the source fitment data; they are listed once here.
Cross-reference numbers
| Part number | 8C-3345 |
| Application reference | The 8T7876 O-ring is listed for the 8C-3345 application |
8C-3345 is the equipment manufacturer part number associated with this 8T7876 seal in the supplied product data. The available information does not identify additional supplier part numbers or a separate supplier numbering system.
Specifications
| Part type | O-ring seal |
| Seal type | Standard |
| Equipment brand | Caterpillar |
| Equipment category | Articulated dump truck |
| Main seal material | Rubber |
| Coating | PTFE, polytetrafluoroethylene |
| Hardness | 90 Shore A |
| Cross-section diameter | 0.06 in |
| Inner diameter | 0.32 in |
| Outside diameter | 0.441 in |
| SAE AS568 dash size | Not specified |
| Weight | 0.1 lb |
| Listed length | 1 cm |
| Listed width | 1 cm |
| Listed depth | 0.2 cm |
The cross-section, inner diameter, and outside diameter are stated in inches. The listed length, width, and depth are supplied as dimensional data in centimeters, while the part weight is stated in pounds. The dimensions describe the product data provided for SKU 8T7876 and should be used together with the equipment model and application reference when checking part identification.
The seal construction is specified as rubber with a PTFE coating and a hardness of 90 Shore A. No additional information is provided for seal color, operating temperature range, pressure rating, installation position, quantity per package, or included components.




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