1L8777 Beaded Gasket for Caterpillar Equipment

The 1L8777 is a beaded gasket used in Caterpillar equipment and engines. It is a new aftermarket spare part manufactured by CTP (Costex Tractor Parts).

The gasket is identified in the product data by SKU 1L8777 and belongs to the Beaded Gaskets category. The Caterpillar brand in this description refers to the manufacturer of the equipment for which the gasket is specified.

Fitment

The gasket is listed for the following Caterpillar equipment, machine series and engines:

• Autograder
• Off-Road Dump Truck: 769, 769B
• Wheel Bulldozer: 824, 824B, 834
• Wheeled Tractor-Scraper: 657, 657B, 666, 666B
• Truck Engine: 1693
• Industrial Engine: D343
• Ship Equipment: D337F, D343, D326F
• Wheel Loader: 988

Fitment is based on the equipment and engine applications listed for part number 1L8777. The model designations above should be matched with the machine identification and parts documentation when selecting the gasket for a specific unit.

The listed applications cover several Caterpillar equipment types, including construction machinery, transport equipment, wheel loaders, tractor-scrapers, industrial engines and ship equipment. The same part number is associated with the applications shown above; no additional models are included in the available product data.

Cross-reference numbers

The numbers 1L8777 and 1L-8777 identify the same gasket reference in different written formats. The available data does not specify additional supplier numbers for this part.

Specifications

The dimensions and weight are the values provided for the listed 1L8777 gasket. The available product information does not specify the gasket material, sealing location, bolt pattern, internal or external diameter, or any additional components supplied with the part.

For identification, use the complete reference 1L8777 together with the Caterpillar machine model or engine designation. This is particularly relevant where the same equipment family contains several model variants, such as the 769 and 769B Off-Road Dump Trucks, the 824 and 824B Wheel Bulldozers, or the 657 and 657B Wheeled Tractor-Scrapers.