Description: DPF Diesel Particulate Filter
Condition: New
Brand: CAT®
Part Number: 362-9528, 3629528
Vehicle Fitment 362-9528:
The CAT Diesel Particulate Filter (DPF) 362-9528 is a ceramic, honeycomb-structured component located in the exhaust system of Caterpillar Tier 4 engines. Its primary job is to trap and remove 90% or more of particulate matter (soot) from the exhaust gas.
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Collection: As exhaust passes through the filter, the walls of the ceramic substrate trap the soot while allowing gases to flow through.
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Regeneration: To prevent clogging, the system performs "regeneration." This process uses high heat to burn off the trapped soot, converting it into a tiny amount of ash.
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Ash Storage: While soot is burned away, ash (from engine oil additives) remains in the filter. Over thousands of hours, this ash builds up and requires professional cleaning.
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Sensor Monitoring: The engine uses pressure sensors to monitor how "full" the filter is. If the pressure difference becomes too high, the engine will force a regeneration or eventually "derate" (reduce power) to protect the system.
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Signs of Faulty 362-9528:
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Frequent or Failed Regeneration: If the machine attempts to start a "regen" cycle more often than usual, or if the cycle fails to complete, the filter is likely too clogged with ash or soot to be cleaned by heat alone.
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Engine Derate (Reduced Power): To protect the engine from backpressure, the ECM (Electronic Control Module) will limit RPM and power. This is often accompanied by a "Check Engine" or "DPF" light on the dashboard.
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Fault Codes: Common Caterpillar fault codes (such as E1025 or 3701-xx) will appear, indicating high soot loading or high differential pressure.
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Strong Exhaust Odors: A distinct, acrid smell or the smell of unburned diesel can indicate that the DPF substrate is cracked or that the regeneration injectors are malfunctioning.
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Black Smoke from Exhaust: A functional DPF should result in zero visible smoke. If you see black smoke exiting the tailpipe, the ceramic core inside the DPF is likely cracked (melted) and the filter must be replaced.
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High Fuel Consumption: A clogged filter creates backpressure, forcing the engine to work harder and burn more fuel to push exhaust through the obstruction.
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Manufacturer information
When it comes to construction vehicles and equipment, no other brand is more highly respected than Caterpillar®. For over 95 years, Caterpillar has been the leading manufacturer of construction and mining vehicles and components. Its catalog is among the largest in the world, with more than 1.4 million parts in stock ranging from excavator attachments to air-conditioning kits. Each component is designed, manufactured, and assembled according to strict specifications to ensure reliable performance in rugged operating conditions and long-lasting service life. For customers with tighter budgets, Caterpiller also offers remanufactured parts for the drivetrain, air suspension, hydraulics, and other major systems that have the same degree of quality but at a more affordable cost.
Warranty
First Truck Parts offers a 365-days warranty for all types of parts and in any condition. The warranty applies only to buyers who have placed an order on our website.
