5L9842 Gasket for D379, D379B, D398, D398B and D399 — SKU 5L9842

5L9842 is a gasket used in Caterpillar equipment with D379, D379B, D398, D398B and D399 engines. The part is a new aftermarket spare part manufactured by CTP (Costex Tractor Parts).

The gasket is identified in the supplied application data for Caterpillar industrial and ship equipment engine models. Its purpose is to form a sealing interface between mating engine components during assembly and operation. The exact installation position, mating component and gasket material are not specified in the available product data.

Fitment

• Caterpillar D379 engine and equipment applications
• Caterpillar D379B engine and equipment applications
• Caterpillar D398 engine and equipment applications
• Caterpillar D398B engine and equipment applications
• Caterpillar D399 engine and equipment applications

Fitment is listed by engine model. The available information does not identify a particular machine series, production year, installation position or engine serial-number range. Verification against the equipment model and serial number is required when several gasket configurations are used for the same engine family.

Cross-reference numbers

5L9842 and 5L-9842 identify the same gasket number in the supplied product information; the difference is the formatting of the part number. No additional supplier cross-reference numbers are provided.

Specifications

The stated dimensions and weight apply to the 5L9842 gasket as listed in the product data. The available specification does not include the gasket material, bead profile, bolt-hole pattern, inner or outer diameter, operating temperature range, torque requirements or installation hardware. These parameters should be checked against the service documentation for the specific Caterpillar D379, D379B, D398, D398B or D399 application before installation.