990159 Metal Face Seal for Caterpillar Equipment

The 990159 Metal Face Seal is a sealing component for Caterpillar construction equipment, including excavators and related machine series. It is used to retain lubricant in the pin and bushing cavity and to help prevent external contaminants from entering the cavity. This is a new aftermarket spare part manufactured by CTP (Costex Tractor Parts).

The part is identified as a metal face seal for applications where the pin and bushing assembly requires a seal between the mating metal faces. The listed dimensions and weight refer to the supplied seal. The Caterpillar model designations below are the equipment applications specified for this part.

Fitment

• Caterpillar 314C
• Caterpillar 314D CR
• Caterpillar 314D LCR
• Caterpillar 314E CR
• Caterpillar 314E LCR
• Caterpillar 314F CR
• Caterpillar 315
• Caterpillar 315 GC
• Caterpillar 315F LCR
• Caterpillar E110B
• Caterpillar E120B
• Caterpillar 313 GX
• Caterpillar 312 GX
• Caterpillar 316 GX
• Caterpillar 312 GC
• Caterpillar 316 GC

Fitment is listed for the Caterpillar models and series shown above. The part is used in the pin and bushing cavity of the applicable machine assembly, where the seal retains lubricant and limits the entry of dirt and other external contaminants.

Cross-reference numbers

• 0990159
• 990159

The number 0990159 is also shown as 990159 in product identification. Both numbers refer to the same metal face seal application described above.

Specifications

Before installation, the part number and the machine model should be compared with the service documentation for the specific Caterpillar equipment. The seal application depends on the pin and bushing cavity configuration of the machine assembly.