Modern Caterpillar engines depend on precise DEF dosing to meet emissions standards and maintain aftertreatment system health. The OEM 6540-71-1110 doser injector delivers reliable performance under those requirements, ensuring your DEF fluid is injected at the right time and in the right quantity to keep your SCR working efficiently and prevent issues down the line.
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Provides accurate DEF injection into the exhaust stream, helping the Selective Catalytic Reduction (SCR) system convert NOx efficiently and keep emissions clean.
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Helps avoid common problems like SCR derate, warning lights, or engine power reduction that stem from under- or over-dosing of DEF.
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Designed to match Caterpillar specifications for models from 2018-2024, ensuring the right fit, correct spray pattern, and dependable electronic control.
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Durable design and backed by a strong warranty (one year or one million miles) give added peace of mind for long service intervals.
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Easy to replace doser injector saves you downtime and protects downstream parts from premature wear or damage due to dosing inaccuracies.
Installing the OEM 6540-71-1110 DEF doser injector is a critical investment in maintaining your engine’s emissions compliance and long-term health. With this genuine part, you help ensure your Caterpillar runs clean, responsively, and reliably.
