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Case Study: Cabin Filter Housing Supply for a delivery platform in Central America

Source:Case / Time:2026-09-18

Cabin Filter Housing for A delivery platform in Central America

A delivery platform came to us with a cabin filter housing programme for Central 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

  • Documentation that arrived after the container shipped
  • Warranty claims traced back to a single lot
  • A fitment that looked right on paper and failed on the bench

Cabin Filter Housing case study

What was specified

PartCabin Filter Housing
ClientA delivery platform
MarketCentral America
Volume50,000 pieces across 2 specifications
Base materialAnodised Aluminium
Sampling rounds4
Delivery window8 weeks from PO to ex-factory
ComplianceDOT

How it was resolved

  1. The specification was rebuilt around Anodised Aluminium 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.

Cabin Filter Housing production run

Result

  • 50,000 pieces delivered inside the 8-week window.
  • Unit cost held within 2.0% 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?

Send the part number, the annual volume and the target market, and we will come back with a specification and a sampling plan.

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