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Case Study: Fuel Line Kit Supply for a delivery platform in North America

Source:Case / Time:2026-09-18

Fuel Line Kit for A delivery platform in North America

A delivery platform came to us with a fuel line kit 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

  • Lead time that slipped twice before bulk started
  • A specification nobody had written down
  • Warranty claims traced back to a single lot

Fuel Line Kit case study

What was specified

PartFuel Line Kit
ClientA delivery platform
MarketNorth America
Volume2,000 pieces across 3 specifications
Base materialPolypropylene
Sampling rounds4
Delivery window5 weeks from PO to ex-factory
ComplianceISO/TS 16949

How it was resolved

  1. The specification was rebuilt around Polypropylene 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 Line Kit production run

Result

  • 2,000 pieces delivered inside the 5-week window.
  • Unit cost held within 4.5% 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

Keep one accountable owner on both sides. Most delays come from hand-offs, not from machines.

Planning something similar?

Share a sample or a drawing and we will quote against a written specification, not against a photograph.

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