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Case Study: Dual Mass Flywheel Supply for a marine equipment dealer in North America

Source:Case / Time:2026-09-18

Dual Mass Flywheel for A marine equipment dealer in North America

A marine equipment dealer came to us with a dual mass flywheel programme for North America. The brief was ordinary and unforgiving at the same time: a fixed launch window, a landed cost that had to survive freight and duty, and a part that had to match an existing sample. This case records what was specified, what went wrong in sampling and how the bulk order landed.

The starting point

  • A fitment that looked right on paper and failed on the bench
  • A supplier who changed material without saying so
  • Documentation that arrived after the container shipped

Dual Mass Flywheel case study

What was specified

PartDual Mass Flywheel
ClientA marine equipment dealer
MarketNorth America
Volume2,000 pieces across 2 specifications
Base materialSintered Metal
Sampling rounds2
Delivery window10 weeks from PO to ex-factory
ComplianceIATF 16949

How it was resolved

  1. The specification was rebuilt around Sintered Metal and the tolerance locked before bulk.
  2. A pre-production sample was approved and kept as the golden reference.
  3. Production ran with in-line inspection and a mid-run photo report.
  4. Cartons were packed to the client's own barcode and ratio specification.
  5. Documentation shipped with the goods instead of after them.

Dual Mass Flywheel production run

Result

  • 2,000 pieces delivered inside the 10-week window.
  • Unit cost held within 1.5% of the original quotation.
  • Inspection-related rejection stayed under 1.0%.
  • The specification is on file, so reorders reproduce the approved sample.

What we would repeat

Fix the specification count early. Adding variants after production starts is the most expensive change a client can request.

Planning something similar?

Send the part number, the annual volume and the target market, and we will come back with a specification and a sampling plan.

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