Every guide on TruckSpareParts — 17 in-depth articles on air brake systems, maintenance, OEM & aftermarket parts and industry trends.
How truck air brake systems work — compressors, dryers, valves, chambers and slack adjusters — with practical service and replacement guidance.
ABS stops wheel lockup; EBS replaces the pneumatic control signal entirely. How each system works, the component differences, EU mandates, and the service habits each one demands.
Moisture quietly kills air brake systems. How desiccant dryers and purge cycles work, the failure signs to catch early, and realistic cartridge replacement intervals by duty cycle.
What Type 24, Type 30 and long-stroke actually mean, how push rod stroke decides braking force, and the safety rules that keep spring brake work from turning deadly.
What slack adjusters do, manual vs automatic, how to check free stroke and applied stroke, the legal CVSA stroke limits by chamber type, and when to stop adjusting and replace.
Follow the air from compressor to brake chamber: supply circuit, dual circuits, control valves, spring brakes, foundation brakes, and the health checks every fleet should run.
Preventive maintenance schedules, wear symptoms and step-by-step service knowledge for the parts that keep heavy commercial vehicles on the road.
The A/B/C/D preventive maintenance framework for heavy trucks: interval tables by system, daily walkaround essentials, seasonal prep, and the cost math that makes PM pay for itself.
How heavy truck clutches and their air-assisted servos work, the symptoms that give away servo failure, classic wear signs, a symptom-to-cause diagnosis table, and what to replace together.
A shop-floor tour of the truck cooling system — water pump, thermostat, fan clutch, radiator, and coolant chemistry — with a diagnostic tree that turns overheating symptoms into the right repair.
Spot failing truck wheel bearings before a wheel-off: symptoms, jack-up play checks, seal and temperature inspection, TMC-style adjustment, and replacement dos and don'ts.
OEM vs aftermarket explained: quality standards, cross-referencing part numbers, choosing suppliers and avoiding counterfeit truck parts.
Decode OE number formats from Mercedes to Scania, trace supersession chains, and follow a six-step workflow to cross-reference any truck part number with confidence.
Clear definitions of OEM, OES and aftermarket, the three aftermarket quality tiers, a full comparison table, and the fleet TCO math showing when each choice pays.
A practical due-diligence checklist for vetting truck spare parts suppliers — plus the red flags, markings, and packaging checks that keep counterfeit parts out of your fleet.
“OEM quality” is a claim, not a guarantee. Learn the materials, tolerances, tests, and certificates that make it true — and how to verify a supplier before you buy.
Where the commercial vehicle industry is heading — emissions rules, electrification, safety systems — and what it means for spare parts.
What GSR2 actually mandates on heavy trucks, how each ADAS sensor works, and what calibration, brake health, and parts availability mean for your maintenance budget.
Verifiable market size estimates, IAM vs OES share shifts in Europe, Türkiye's rise as a parts manufacturing hub, and what today's aftermarket trends mean for fleet parts buyers.
BEV and FCEV trucks are coming - but slowly. What disappears, what stays, what grows, and how fleets and parts distributors should plan for a diesel parc that runs into the 2040s.
Euro 7 is law: trucks comply from 2028-2029. What changes vs Euro VI, why brake-dust limits reshape the friction market, and what fleets and workshops should do now.
Vaden Original manufactures 12,000+ OEM-compatible spare parts for heavy commercial vehicles — from air brake compressors to clutch and engine components — exported to 110+ countries.