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Case Study: Fuel Tank Cap Supply for a taxi fleet in Southeast Asia

Source:Case / Time:2026-09-18

Fuel Tank Cap for A taxi fleet in Southeast Asia

A taxi fleet came to us with a fuel tank cap programme for Southeast Asia. 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

  • Reorders that did not match the approved sample
  • Packing that arrived crushed at the port
  • A fitment that looked right on paper and failed on the bench

Fuel Tank Cap case study

What was specified

PartFuel Tank Cap
ClientA taxi fleet
MarketSoutheast Asia
Volume2,000 pieces across 6 specifications
Base materialEPDM Rubber
Sampling rounds2
Delivery window10 weeks from PO to ex-factory
ComplianceSAE J431

How it was resolved

  1. The specification was rebuilt around EPDM Rubber 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 10-week window.
  • Unit cost held within 4.5% of the original quotation.
  • Inspection-related rejection stayed under 2.0%.
  • 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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