FalkePro Commercial Vehicle Parts Knowledge Base
Practical knowledge on truck, bus and commercial vehicle spare parts for parts distributors, workshops, fleets and transport companies in international markets.
Explore topics including parts identification, technical systems, quality, diagnostics, maintenance and spare parts sourcing.
Use the search function to find articles by component, term or topic.
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Casting, forging, machining and pressing influence how commercial vehicle parts are produced and where they can be used. Learn why manufacturing method, material, tolerances and quality control should be considered together when evaluating spare parts.
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RoHS and REACH can affect the sourcing and documentation of commercial vehicle components in the European market. Learn what these regulations cover and why material information, supplier declarations and traceability matter.
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Some commercial vehicle spare parts require specific approvals before they can be legally used. Learn why homologation, approval markings and vehicle-specific compatibility should be checked before installation.
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Type approval and homologation can affect whether a commercial vehicle part is suitable for a specific vehicle or market. Learn why part numbers, vehicle specifications, approvals and technical documentation must be checked together.
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E-Mark, ECE, ABE and CE are often mentioned when sourcing commercial vehicle spare parts, but they do not mean the same thing. Understanding their different roles helps workshops and distributors identify which approvals may be relevant for a component.
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Incorrect storage can damage commercial vehicle spare parts before they are installed. Learn how humidity, temperature, packaging and handling affect seals, metal components, electronics and other sensitive parts.
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Packaging and storage conditions can affect commercial vehicle spare parts long before installation. Learn why protective packaging, shelf-life information and correct warehouse handling matter for rubber, metal and electronic components.
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Safety-critical components in commercial vehicles require particular care during identification, sourcing and replacement. Learn why braking, steering and electronic safety components should be checked using part numbers, vehicle data, technical specifications and relevant documentation.
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When a newly installed commercial vehicle part fails, the component itself is not always the cause. Correct diagnostics should distinguish between manufacturing defects, installation errors, incorrect calibration and compatibility problems before a part is replaced or returned.
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Contamination can cause premature wear, hydraulic problems and misleading diagnostic results in commercial vehicles. Learn why cleanliness, protective packaging and correct handling matter when sourcing and installing spare parts.
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Visual inspection is an important first step in commercial vehicle spare parts quality control. Learn what to check for when receiving or installing components, from cracks and corrosion to damaged threads, connectors, coatings and sealing surfaces.
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Seals, hoses, connectors and other commercial vehicle parts must withstand the fluids they contact. Learn why material compatibility matters in diesel, engine oil and AdBlue systems and how incompatible materials can contribute to leakage and premature failure.
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Seal material affects leakage resistance and long-term reliability in commercial vehicles. Learn how material compatibility, temperature and compression set influence sealing performance.
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Surface coatings protect commercial vehicle parts against corrosion and environmental exposure. Learn how zinc coatings, powder coating, phosphating and other protection systems influence component durability.
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Bolt strength classes such as 8.8, 10.9 and 12.9 indicate important mechanical properties of metric fasteners. Learn why the correct strength class, torque specification and surface condition matter when replacing fasteners in commercial vehicles.
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Correct axle identification is essential when selecting commercial vehicle spare parts. Learn why axle type, load class, gear ratio, manufacturer markings and vehicle data must be checked before comparing components.
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R134a and R1234yf are used in commercial vehicle air conditioning systems but should not be treated as interchangeable refrigerants. Learn why refrigerant specification, lubricant compatibility and HVAC component identification matter.
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Low boost pressure does not automatically mean a defective turbocharger. Learn how charge air hoses, intercoolers, sensors and intake leaks can cause boost-pressure problems in commercial vehicles.
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The engine code helps distinguish between different engine variants within the same commercial vehicle model or engine family. Learn why engine code, VIN, emission configuration and OE numbers matter when identifying spare parts.
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VTG and wastegate turbochargers use different methods to control boost pressure. Learn how the systems differ and why actuator type, engine variant and turbocharger identification matter when selecting commercial vehicle spare parts.
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Commercial vehicle oil filters can differ in filter media, flow characteristics and bypass-valve design even when they have similar dimensions. Learn why correct filter specification matters for engine lubrication and component protection.
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Injector replacement in modern commercial vehicles often requires more than mechanical installation. Learn why injector coding, ECU calibration and correct parts identification matter for engine performance, emissions and diagnostics.
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Common rail systems supply diesel engines with precisely controlled high-pressure fuel. Learn how the high-pressure pump, rail, pressure sensor, control valves and injectors work together and why fuel-pressure faults require system-level diagnosis.
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EGR coolers reduce the temperature of recirculated exhaust gas and support emission control in commercial vehicles. Learn how EGR cooling works, which symptoms can indicate a fault, and what matters when identifying replacement components.