2277449 Engine Air Filter

The 2277449 engine air filter is used in Caterpillar equipment, including D3K, D4K and D5K track-type tractors and Caterpillar backhoe loaders from the 400-series model range listed below. It is a new aftermarket spare part manufactured by CTP (Costex Tractor Parts).

This filter is installed as a secondary element in the engine air filtration system and is intended for applications using a radial-seal connection. The product data identifies it as an air filter with a back-up filtration function for the compatible Caterpillar machines.

Fitment

• Caterpillar track-type tractors: D3K LGP, D3K XL, D4K LGP, D4K XL, D5K LGP and D5K XL.
• Caterpillar backhoe loaders: 416D, 414E, 416E, 420D, 420E, 422E, 424D, 428D, 428E, 430D, 430E, 432D, 432E, 434E, 442D, 442E and 444E.

Fitment is specified for the Caterpillar machine models and series listed above. The filter should be matched with the machine model, existing air-cleaner configuration and the part number used in the equipment documentation before installation.

Cross-reference numbers

• Caterpillar part number: 227-7449.
• Product SKU format: 2277449.

The numbers 2277449 and 227-7449 identify the same filter application in compact and hyphenated formats respectively. The hyphenated number is the format shown for the compatible Caterpillar equipment applications.

Specifications

The listed dimensions are 22 cm in length, 4.7 cm in width and 22 cm in depth. The stated weight is 0.5 lb. The radial-seal design specifies the sealing method between the filter element and the corresponding air-cleaner housing. No additional installation hardware or other components are specified as included with this filter.