Financial research concept

Commercial Truck Aftermarket Parts Gross Margin

measures gross profit conversion on commercial-truck aftermarket parts sales.

By Lee BaileyPublished Oct 2, 2026
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Oct 2, 2026Use the dated article and cited sources for the definition, examples, and stated limitations.

Commercial truck aftermarket parts gross margin measures gross profit from aftermarket parts sales as a percentage of those sales.

PACCAR reported a 29.8% Parts gross margin in Q2 2026, compared with 30.0% a year earlier.

Sales growth does not guarantee margin expansion

PACCAR said lower sales volume in the U.S. and Canada, a higher mix of lower-margin direct-ship sales, higher material costs, and warehouse costs weighed on margin, partly offset by pricing and supplier rebates.

Read gross margin with commercial truck aftermarket parts sales and commercial truck aftermarket parts pretax profit. Gross margin excludes SG&A and other items that affect segment pretax profit.

Primary source: PACCAR Q2 2026 Form 10-Q filed with the SEC.

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Compare aftermarket parts margins

Compare parts gross-margin conversion while separating price, volume, mix, and warehouse-cost effects.

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