5D6998 Horn Group-Air for Caterpillar Equipment

The 5D6998 Horn Group-Air is an air horn assembly for Caterpillar heavy equipment, including articulated dump trucks, earthmoving compactors, and engine-machine applications. This is a new aftermarket spare part manufactured by CTP (Costex Tractor Parts).

The part is identified as a horn group-air and is listed for the Caterpillar equipment models and series shown below. The equipment manufacturer brand applicable to this part is Caterpillar.

Fitment

The 5D6998 Horn Group-Air is listed for use with the following Caterpillar equipment models:

• Caterpillar D44B
• Caterpillar D550B
• Caterpillar 825
• Caterpillar 816
• Caterpillar 816B
• Caterpillar 826C
• Caterpillar 815
• Caterpillar 815B
• Caterpillar 825C
• Caterpillar 3116

Listed equipment categories are articulated dump truck, earthmoving compactor, and engine-machine applications. Model designation and machine configuration should be matched with the existing horn assembly and the equipment parts documentation before installation.

Fitment information identifies the part for the Caterpillar D44B and D550B series, Caterpillar 815, 815B, 816, and 816B machines, Caterpillar 825 and 825C machines, Caterpillar 826C, and Caterpillar 3116 engine-machine applications. The available data does not specify a production year, serial-number range, or individual installation position within each model.

Cross-reference numbers

The horn group-air is listed under the following Caterpillar and supplier reference numbers:

• 5D6998
• 9D4049
• 2Y3790
• 9F1996
• 5D6995

Part number 5D6998 is the SKU and primary identification number for this product. The numbers 9D4049, 2Y3790, 9F1996, and 5D6995 are additional identification numbers associated with the same horn group-air application in the supplied parts data.

Cross-reference numbers are provided for parts identification and catalog comparison. They do not indicate that all listed numbers are installed simultaneously or that every number applies to every machine model in the fitment list.

Specifications

The stated dimensions and weight refer to the product data supplied for the 5D6998 horn group-air. The available description does not specify the material, thread size, connection type, operating pressure, sound level, mounting hardware, or separate components included in the assembly.