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Case Study: Fuel Line Kit Supply for a courier company in South Asia

Source:Case / Time:2026-09-18

Fuel Line Kit for A courier company in South Asia

A courier company came to us with a fuel line kit programme for South 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

  • Packing that arrived crushed at the port
  • Warranty claims traced back to a single lot
  • Documentation that arrived after the container shipped

Fuel Line Kit case study

What was specified

PartFuel Line Kit
ClientA courier company
MarketSouth Asia
Volume20,000 pieces across 4 specifications
Base materialSintered Metal
Sampling rounds3
Delivery window10 weeks from PO to ex-factory
ComplianceSAE J431

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.

Fuel Line Kit production run

Result

  • 20,000 pieces delivered inside the 10-week window.
  • Unit cost held within 4.5% 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

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

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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