How Engon Cut Automotive Plastic Part Costs with Value Engineering & Blow Molding

The Challenge

In this case study, we are summarizing how the Engon team worked with an automotive ancillary supplier whose products were being edged out of the market due to low-cost imported alternatives from competitors. Rising production costs and reduced competitiveness threatened their ability to retain customers.

To help the client regain lost market share, Engon invoked its value engineering expertise in plastics to design a better-performing, cost-optimized product while addressing the customer’s key challenges.

The client’s original reliance on injection molding for large plastic components drove up tooling costs and cycle times. At the same time, they needed to ensure compliance with ISO/TS automotive standards and maintain durability without sacrificing cost efficiency.

Engon’s Approach: Value Engineering in Plastics

Engon Technologies stepped in as an outsourced engineering partner with proven expertise in mechanical and plastic engineering design. Our team performed a detailed value engineering study to identify opportunities for cost reduction while ensuring compliance with OEM quality standards.

Key actions included:

  • Conducted feasibility analysis to compare injection molding vs. blow molding for large parts.
  • Redesigned parts to suit blow molding, enabling reduced tooling cost and faster cycle times.
  • Standardized part geometry to optimize plastic engineering design and facilitate large-scale production.

Results & Impact

  • Reduced tooling cost by 60%
  • Lowered per-part production cost by 40%
  • Improved production speed → shorter lead times
  • Maintained strict compliance with automotive OEM quality standards
  • Enabled client to regain cost competitiveness in their market

Why Partner with Engon?

By leveraging innovative approaches like value engineering in plastics and advanced blow molding techniques, Engon helps clients reduce costs, accelerate timelines, and stay competitive. Our expertise in mold design and tooling solutions ensures not only cost efficiency but also strict compliance with global automotive standards.

As an engineering outsourcing partner, Engon provides scalability and flexibility—allowing OEMs and Tier-1 suppliers to focus on core business while we deliver optimized engineering solutions.

Looking to cut production costs while improving product quality?

Partner with Engon for expert plastic engineering design, mould services, and value engineering solutions.