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Find the wheel construction you want to compare. Write down rim diameter, width, bolt count and PCD before asking for candidate sizes.
Wheel fitment sourcing
Use this guide to prepare a brief for our independent China procurement desk.
Find the wheel construction you want to compare. Write down rim diameter, width, bolt count and PCD before asking for candidate sizes.
If you have a drawing or OE reference, share the revision, axle and target market. Add open checks such as brake clearance and the required load rating.
List year, model, trim, axle position and brake package. If you have a reference wheel, record the marked size and drawing ID separately from your measurements.
Give rim diameter and width in inches. Record center bore, PCD and signed ET in millimeters, wheel load rating in kilograms, and the approved finish reference.
State quantity by size, destination port, target market and intended trade term. Specify the sample and document checks needed before approval.
Compare center bore, fastener seat and brake envelope against the vehicle. For a hypothetical brief marked 18 × 9 in, 6 × 139.7 mm and ET +20 mm, request a mounting-face section drawing and check clearance for the specified caliper and spoke profile.
Compare a forged option when the brief specifies a mass target or geometry that an existing cast design may struggle to meet. Ask both suppliers for finished mass and load rating against the same size and acceptance criteria. Compare tooling and sample costs separately.
Ask for a report ID and the associated SKU, drawing revision, size, offset and load rating. Keep a supplier’s quality-system certificate separate from a product report. Have your compliance reviewer determine which evidence and test edition the destination market requires.
Identify the sample and drawing revision, the mounting datum, the inspection setup and the approved tolerance. Ask the inspector to seat the sample on the agreed datum and record its mounting method, gauge location and range over a full turn. Log radial and lateral runout separately in millimeters and compare each result with the drawing tolerance.