4P1660 Elbow Turbo to Muffler for Caterpillar Equipment

The 4P1660 is an exhaust elbow installed between the turbocharger and the muffler on Caterpillar backhoe loaders. This is a new aftermarket spare part manufactured by CTP (Costex Tractor Parts).

The part is identified as an elbow turbo to muffler and is intended for use in the exhaust system of the listed Caterpillar backhoe loader models. The equipment brand referenced for fitment is Caterpillar; the part is supplied as an aftermarket component under SKU 4P1660.

Fitment

The 4P1660 elbow turbo to muffler is listed for the following Caterpillar backhoe loader models:

• Caterpillar 416
• Caterpillar 416B
• Caterpillar 416C
• Caterpillar 426
• Caterpillar 426C
• Caterpillar 428
• Caterpillar 428B
• Caterpillar 428C
• Caterpillar 436C
• Caterpillar 438C

Fitment is specified by the model designation shown above. When checking installation, compare the equipment model and the existing elbow configuration with the part required for the machine.

Cross-reference numbers

The numbers 4P-1660 and 4P1660 refer to the same part-number format, with and without the separator. The equipment manufacturer reference is shown for identification and cross-reference purposes; the supplied component is an aftermarket part.

Specifications

The stated dimensions are 21 cm in length, 18.4 cm in width, and 12.1 cm in depth. The stated weight is 6 lb. No additional information about material, thread specifications, fasteners, gaskets, or other included components is provided for this part.