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Case Study: Piston Ring Supply for a government fleet in Latin America

Source:Case / Time:2026-09-18

Piston Ring for A government fleet in Latin America

A government fleet came to us with a piston ring 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

  • Documentation that arrived after the container shipped
  • Warranty claims traced back to a single lot
  • Lead time that slipped twice before bulk started

Piston Ring case study

What was specified

PartPiston Ring
ClientA government fleet
MarketLatin America
Volume10,000 pieces across 3 specifications
Base materialForged Aluminium
Sampling rounds4
Delivery window6 weeks from PO to ex-factory
ComplianceSAE J431

How it was resolved

  1. The specification was rebuilt around Forged 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.

Piston Ring production run

Result

  • 10,000 pieces delivered inside the 6-week window.
  • Unit cost held within 4.5% of the original quotation.
  • Inspection-related rejection stayed under 0.5%.
  • 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?

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

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