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Case Study: Fuel Tank Cap Supply for a rental company in North America

Source:Case / Time:2026-09-18

Fuel Tank Cap for A rental company in North America

A rental company came to us with a fuel tank cap programme for North 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

  • Lead time that slipped twice before bulk started
  • Packing that arrived crushed at the port
  • Premature wear on the first batch

Fuel Tank Cap case study

What was specified

PartFuel Tank Cap
ClientA rental company
MarketNorth America
Volume50,000 pieces across 3 specifications
Base materialKevlar Composite
Sampling rounds2
Delivery window10 weeks from PO to ex-factory
ComplianceSGS

How it was resolved

  1. The specification was rebuilt around Kevlar Composite 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 Tank Cap production run

Result

  • 50,000 pieces delivered inside the 10-week window.
  • Unit cost held within 3.0% 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

Approve a pre-production sample made from the actual bulk material. Substitute material behaves differently in service.

Planning something similar?

Tell us the model, the fitment and the quantity and we will hold a production slot for you.

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