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Case Study: Valve Cover Supply for a marine equipment dealer in West Africa

Source:Case / Time:2026-09-18

Valve Cover for A marine equipment dealer in West Africa

A marine equipment dealer came to us with a valve cover programme for West Africa. 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

  • Packing that arrived crushed at the port
  • Warranty claims traced back to a single lot
  • Reorders that did not match the approved sample

Valve Cover case study

What was specified

PartValve Cover
ClientA marine equipment dealer
MarketWest Africa
Volume50,000 pieces across 4 specifications
Base materialAnodised Aluminium
Sampling rounds3
Delivery window8 weeks from PO to ex-factory
ComplianceISO 9001

How it was resolved

  1. The specification was rebuilt around Anodised Aluminium 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.

Valve Cover production run

Result

  • 50,000 pieces delivered inside the 8-week window.
  • Unit cost held within 4.5% of the original quotation.
  • Inspection-related rejection stayed under 0.5%.
  • The specification is on file, so reorders reproduce the approved sample.

What we would repeat

Lock the material standard before sampling. Once the base changes, every downstream approval has to be redone and the calendar slips.

Planning something similar?

Ask for the current catalogue and the specification sheet for this line.

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