The impact of seasonality on spare part demand for automobiles
https://doi.org/10.31660/2782-232X-2025-1-102-111
EDN: NUUAJS
Abstract
In structure of road transport operating costs, expenses for purchasing and storing spare parts can account for up to 45 %. Inventory management systems are most often based on analyzing past demand. A number of factors influence the range and quantity of spare parts needed: vehicle reliability, intensity and conditions of operation, demand, inventory availability at retail networks, and other considerations. At the enterprise level, the most significant criterion for inventory management is the total cost, which includes procurement, delivery and maintenance costs. This study revealed that there is no unified method for determining the optimal stock level of vehicle spare parts. The authors found that spare parts consumption is affected by operational intensity and vehicle reliability, as well as seasonal variations. Analysis of statistical data confirmed the seasonal dependence of spare parts stock levels. This dependence can be described by a harmonic model. It was found that there are some shifts in extreme values depending on the spare part group within a single season. More accurate accounting for these shifts can reduce inventory holding costs. The proposed approach to adjusting spare parts stock level norms in the warehouse will reduce the storage period of spare parts and, consequently, increase the efficiency of inventory management. Based on the studied statistical data, this efficiency is justified by a reduction in inventory valued at 470000 rubles per year. This method of adjusting spare parts stock level norms is applicable to both service and operational enterprises.
About the Authors
Yu. D. Ishkin
Industrial University of Tyumen
Russian Federation
Russian Federation
Yuri D. Ishkin, Postgraduate in the Department of Road Transport Operation
Tyumen
N. S. Zakharov
Industrial University of Tyumen
Russian Federation
Russian Federation
Nikolay S. Zakharov, Dr. Sci. (Engineering), Professor, Head of the Department of Automative Service and Technological Machinery
Tyumen
A. V. Rassokhin
LLC "TyumenAutoLuch"
Russian Federation
Russian Federation
Alexander V. Rassokhin, Engineer
Tyumen
E. G. Ishkina
Industrial University of Tyumen
Russian Federation
Russian Federation
Elena G. Ishkina, Cand. Sci. (Engineering), Associate Professor, Associate Professor in the Department of Mechanical Engineering Technology
Tyumen
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Review
For citations:
Ishkin Yu.D., Zakharov N.S., Rassokhin A.V., Ishkina E.G. The impact of seasonality on spare part demand for automobiles. Architecture, Construction, Transport. 2025;5(1):102-111. (In Russ.) https://doi.org/10.31660/2782-232X-2025-1-102-111. EDN: NUUAJS
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