1S6820 Pre-Combustion Chamber Gasket

The 1S6820 pre-combustion chamber gasket is used with Caterpillar equipment, including autograders, wheel-type loaders, dumper engines, industrial engines and track loaders. This is a new aftermarket spare part manufactured by CTP (Costex Tractor Parts).

The catalog information identifies the gasket by the Caterpillar part number 1S-6820 and lists applications by machine type, model and engine model. The equipment manufacturer referenced for the listed applications is Caterpillar; CTP is the manufacturer of this aftermarket gasket.

Fitment

• Autograder: 12E
• Wheel-type loader: 972G
• Dumper engine: 1673, 1673B
• Industrial engine: D320A
• Equipment with D330 and D333 engine models: D330A, D330B, D333A, D333B
• Track loader: 955H, 977H

The source catalog also identifies the gasket application by the following engine or equipment model designations: 955, D320, 977 and D333. These designations are included in addition to the specific machine models listed above.

Cross-reference numbers

The product catalog identifies the gasket under the Caterpillar number 1S-6820, corresponding to SKU 1S6820. The source data also lists the following numbers for the related pre-combustion chamber and O-ring components. They are provided as catalog-associated reference numbers and are not identified as additional gasket numbers.

Specifications

The dimensional values above are reproduced from the available catalog data. The catalog does not provide additional information about gasket material, installation position, fastening method or items included with the gasket.