6H8778 Beaded Gasket fit Caterpillar
6H8778 Beaded Gasket fit Caterpillar
- New aftermarket part
- 30 day returns
- Manufacturer's warranty
6H8778 Beaded Gasket for Caterpillar Equipment
6H8778 is a flat, beaded gasket for Caterpillar marine engine equipment, including the Caterpillar D397D model. It is used as a two-hole flange gasket and is made from medium-compression sheet gasket material. This is a new aftermarket spare part manufactured by CTP (Costex Tractor Parts).
The gasket has a two-hole flange configuration with two mounting holes. The supplied dimensions identify the flange hole spacing, hole diameter, inner diameter, outer diameter, and material thickness. Measurements are stated in inches unless otherwise specified.
Fitment
- Equipment manufacturer: Caterpillar
- Equipment type: Marine engine
- Compatible model: Caterpillar D397D
Cross-reference numbers
- 6H8778
- 6H-8778
Specifications
| Part type | Beaded gasket |
| Gasket design | Flat |
| Flange configuration | 2-hole flange |
| Material | Medium-compression sheet gasket material |
| Flange hole spacing | 2.25 in |
| Hole size | 0.41 in, 2 holes |
| Inner diameter | 0.88 in |
| Outside diameter | 1.87 in |
| Thickness | 0.03 in |
| Product weight | 0.1 lb |
| Product length | 7.7 cm |
| Product width | 4.8 cm |
| Product depth | 1.27 cm |
The 6H8778 gasket is identified by the Caterpillar reference numbers 6H8778 and 6H-8778. The part dimensions are: 2.25 inches between flange holes, 0.41-inch hole diameter for each of the two holes, 0.88-inch inner diameter, 1.87-inch outside diameter, and 0.03-inch material thickness. The equipment application listed for this part is the Caterpillar D397D marine engine.
Before installation, compare the part number and the listed dimensions with the gasket removed from the engine assembly. The two-hole flange layout, hole spacing, diameters, and thickness are the identifying dimensional parameters provided for this part.






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