Heavy-duty parts guides, sourcing notes and industry news.https://bulapp.com/https://bulapp.com/insights/brake-chamber-types-t24-t30-3030/https://bulapp.com/insights/brake-chamber-types-t24-t30-3030/What the numbers on a truck brake chamber mean, how service and spring brake chambers differ, and what to tell your supplier before you order a replacement.Sun, 15 Nov 2026 00:00:00 GMTGuidehttps://bulapp.com/insights/euro-7-heavy-duty-what-parts-buyers-should-know/https://bulapp.com/insights/euro-7-heavy-duty-what-parts-buyers-should-know/The EU's Euro 7 regulation brings brake and tyre particles into emissions law for the first time. The heavy-duty dates, the open questions and what it means for the aftermarket.Sat, 14 Nov 2026 00:00:00 GMTRegulationhttps://bulapp.com/insights/importing-truck-parts-from-turkiye/https://bulapp.com/insights/importing-truck-parts-from-turkiye/A plain guide for first-time importers: which delivery terms to ask for, which documents arrive with the goods and how to prepare a request suppliers can quote quickly.Fri, 13 Nov 2026 00:00:00 GMTSourcinghttps://bulapp.com/insights/how-to-read-truck-oe-part-numbers/https://bulapp.com/insights/how-to-read-truck-oe-part-numbers/Each truck maker writes part numbers its own way. Learn the common formats so you can search, cross-reference and order without mistakes.Tue, 10 Nov 2026 00:00:00 GMTGuidehttps://bulapp.com/insights/wva-numbers-brake-linings-explained/https://bulapp.com/insights/wva-numbers-brake-linings-explained/The WVA number describes the shape of a brake pad or lining. Here is how it works and why it is the fastest way to order the right one.Fri, 06 Nov 2026 00:00:00 GMTGuidehttps://bulapp.com/insights/air-spring-failure-symptoms-and-replacement/https://bulapp.com/insights/air-spring-failure-symptoms-and-replacement/A leaking air spring rarely fails without warning. Learn the signs, the usual causes and the details a supplier needs to quote the right part.Wed, 28 Oct 2026 00:00:00 GMTGuidehttps://bulapp.com/insights/oe-oem-oes-aftermarket-difference/https://bulapp.com/insights/oe-oem-oes-aftermarket-difference/The same water pump can be sold under four different labels. This guide explains what each one means and how to choose for a fleet.Tue, 20 Oct 2026 00:00:00 GMTGuide