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Case Study: Gearbox Solenoid Supply for a national parts importer in Latin America

Source:Case / Time:2026-09-18

Gearbox Solenoid for A national parts importer in Latin America

A national parts importer came to us with a gearbox solenoid programme for Latin 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

  • Reorders that did not match the approved sample
  • Inconsistent hardness between lots
  • A fitment that looked right on paper and failed on the bench

Gearbox Solenoid case study

What was specified

PartGearbox Solenoid
ClientA national parts importer
MarketLatin America
Volume5,000 pieces across 2 specifications
Base materialNatural Rubber
Sampling rounds3
Delivery window6 weeks from PO to ex-factory
ComplianceISO/TS 16949

How it was resolved

  1. The specification was rebuilt around Natural 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.

Gearbox Solenoid production run

Result

  • 5,000 pieces delivered inside the 6-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

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

Planning something similar?

Ask for the current catalogue and the specification sheet for this line.

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