Which of the following methods is a good tool to help manage spare parts and service parts?

ABC classification. As it helps in grouping and then using resources for achieving goals.

A. ABC classification................. . . . .

A is the best option to consider in this case

A<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<

The Answer is ABC classification.

A. >>>>>>>>>>>>>>>>>>>>>>> ABC classification.

A. ABC classification                         .

I would agreed with using ABC.... Nonetheless, the are a myriad of methodologies that complement the ABC analysis and subsequent strategy. Using only one methodology doesn't cut it. You need to be familiar with the special characteristics of the business and the usage of spare parts; this will guide you in applying one, two or three methodologies or combination that will bring value to your management and company. 

Please read the following articles that will help to illustrate my point:

• 5 techniques you should NOT use for spare-parts management

• SPARES PARTS MANAGEMENT 

Enjoy the reading.