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Case Study: Intake Manifold Supply for an online marketplace seller in West Africa

Source:Case / Time:2026-09-18

Intake Manifold for An online marketplace seller in West Africa

An online marketplace seller came to us with a intake manifold 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

  • Reorders that did not match the approved sample
  • A specification nobody had written down
  • Warranty claims traced back to a single lot

Intake Manifold case study

What was specified

PartIntake Manifold
ClientAn online marketplace seller
MarketWest Africa
Volume2,000 pieces across 3 specifications
Base materialReinforced Nylon
Sampling rounds3
Delivery window8 weeks from PO to ex-factory
ComplianceISO/TS 16949

How it was resolved

  1. The specification was rebuilt around Reinforced Nylon 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.

Intake Manifold production run

Result

  • 2,000 pieces delivered inside the 8-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

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

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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