What is the MPN Number?


The MPN Number (Manufacturer Part Number) is an integral component in the manufacturing and retail industries, providing a unique identifier for individual products.

This article will explain MPN, its importance, and its applications in various fields, supported by research and data.

Understanding MPN


MPN stands for Manufacturer Part Number, a unique alphanumeric product code assigned by manufacturers to identify specific products or components. This code typically consists of a series of letters and numbers, uniquely crafted by the product’s manufacturer for precise identification and tracking.

Visibility and accessibility

The MPN is commonly found on the product’s label, packaging, or in some cases, etched directly onto the product. This visibility is crucial for the easy identification and tracking of the product throughout its lifecycle, from manufacturing to its final sale.

MPN Number example-min

Example of an MPN Number

The Role of MPN in Manufacturing and Retail

Inventory management and supply chain operations

In inventory management and supply chain operations, the MPN plays a vital role. For instance, in the automotive industry, where parts are numerous and varied, the use of MPNs ensures accurate tracking and ordering of components. Research indicates that the correct use of MPNs can reduce inventory errors by as much as 25%, significantly enhancing efficiency and reducing costs.

Distinction from other identifiers

MPNs are distinct from stock-keeping units (SKUs) and other identification numbers, which can be generated by retailers or other entities. This exclusivity of the MPN, created and assigned only by the product’s manufacturer, enhances its reliability for product identification and tracking.

Importance in e-commerce and retail

MPNs are crucial in e-commerce and retail, especially on marketplaces where numerous similar items exist from the same brand or manufacturer. In the global e-commerce market, which is projected to reach $6.54 trillion by 2023, MPNs provide a reliable method for consumers to identify specific products and for retailers to manage their inventories accurately.

MPN’s Role in Counterfeit Protection

MPNs also play a significant role in combating counterfeit products. The unique nature of these numbers allows for the verification of a product’s authenticity, crucial in markets where counterfeit goods are prevalent. For instance, in the luxury goods market, which often battles counterfeit issues, the use of MPNs helps in verifying the authenticity of products, thereby protecting brand integrity and consumer trust.


The Manufacturer Part Number is more than just a series of letters and numbers; it is a critical tool in the manufacturing and retail industries. It provides a standardized method for identifying, tracking, and managing products, ensuring efficiency, accuracy, and security in these dynamic sectors. With the continual growth of e-commerce and global trade, the importance of MPNs in maintaining the integrity of supply chains and consumer trust cannot be overstated.

Adrian Gmelch

Adrian Gmelch is a tech and e-commerce enthusiast. He initially worked for an international PR agency in Paris for large tech companies before joining Lengow's international field marketing & content team.

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