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Case Study: Fuel Tank Cap Supply for a supermarket chain in the Middle East

Source:Case / Time:2026-09-18

Fuel Tank Cap for A supermarket chain in the Middle East

A supermarket chain came to us with a fuel tank cap programme for the Middle East. 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 supplier who changed material without saying so
  • Reorders that did not match the approved sample
  • A specification nobody had written down

Fuel Tank Cap case study

What was specified

PartFuel Tank Cap
ClientA supermarket chain
Marketthe Middle East
Volume2,000 pieces across 3 specifications
Base materialSilicone
Sampling rounds4
Delivery window6 weeks from PO to ex-factory
ComplianceDOT

How it was resolved

  1. The specification was rebuilt around Silicone 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.

Fuel Tank Cap production run

Result

  • 2,000 pieces delivered inside the 6-week window.
  • Unit cost held within 2.0% of the original quotation.
  • Inspection-related rejection stayed under 1.5%.
  • 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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