Radiator
Leaks, cracking, corrosion and blockage in heavy-duty truck and construction-equipment radiators.
USA & BRAZIL PARTNER WAREHOUSESDOOR-TO-DOOR SERVICESMALL ORDERS WELCOME
TECHNICAL KNOWLEDGE · TROUBLESHOOTING HUB
DIAGNOSE THE CAUSE.
FIND THE RIGHT PART.
Practical guides for workshops, fleets and parts buyers — organized by system and component, and linked directly to the matching parts and OE cross references.
SYSTEM
COOLING SYSTEM →
How heavy-duty cooling components fail, how to diagnose the root cause and how to identify the correct replacement.
Water Pump
Bearing noise, seal leakage and pulley play — what they mean and how to prevent repeat failures.
EGR Cooler
EGR valve and EGR cooler symptoms, coolant loss and how to diagnose EGR problems.
Intercooler
Charge-air cooler leaks, boost loss and how to identify the correct replacement.
Oil Cooler
Oil-to-coolant leaks, high oil temperature and choosing the correct plate count.
SYSTEM
BELT DRIVE SYSTEM →
Identifying, diagnosing and replacing belt tensioners and idler pulleys on heavy-duty truck engines.
Belt Tensioner
How to match the correct tensioner by OE number, cross reference and dimensions.
Idler Pulley
Pulley diameter, groove profile and bearing bore — the dimensions that decide fitment.
SYSTEM
FUEL SYSTEM →
Diesel injector failure modes, diagnosis and how to protect high-pressure fuel systems.
Diesel Fuel Injector
Why injectors fail, the symptoms to look for and how to reduce premature failure.
SYSTEM
WHEEL END SYSTEM →
Wheel hub bearings, hubs and tapered roller bearings for trucks, trailers and cars: bearing types, failure symptoms, diagnosis and correct replacement.
Wheel Hub Bearing
Car hub units vs truck tapered roller bearings, noise and play symptoms, and how to match the correct replacement.
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