ATP 5677803 Cummins Oil Pressure Sensor Switch – Heavy Duty Replacement for ISB/QSB (5.9L & 6.7L) & Paccar PX-7/PX-9
WHY ATP USA ( Advance Truck Parts USA)
- Same Day fulfillment and Shipping
- Premium Pressure sensor as picture
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Key Features:
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Direct-Fit Engineering: Designed for a perfect 1/8-27 NPT thread match and single-pin electrical connection.
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Engine Safeguard: Provides instantaneous pressure signals to the ECM to prevent engine seizure from low lubrication.
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Ruggedized Build: Vibration-resistant housing specifically tested for heavy-duty diesel environments.
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Broad Compatibility: One part covers a massive range of Dodge Ram, Freightliner, Kenworth, and Peterbilt applications.
Product Description: The ATP 5677803 is a high-precision oil pressure switch designed for the rigors of medium and heavy-duty diesel engines. Faulty sensors are a leading cause of erratic dashboard readings and "Check Engine" lights in Cummins-powered vehicles. This sensor ensures your engine’s protection system receives accurate data to maintain optimal lubrication flow. Whether you are running a Dodge Ram 2500/3500 (2002–2007) or a Kenworth/Peterbilt with a Paccar PX-7 or PX-9 engine, this sensor is built to restore factory performance.
Technical Specifications:
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Fitting: 1/8-27 NPT
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Sensor Type: Pressure Switch (On/Off)
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Connector: Single-pin (verify single-wire vs three-wire for 2002 models)
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Engine Platforms: Cummins ISB 5.9L/6.7L, QSB 6.7L, Paccar PX-7/PX-9
Compatibility & Cross-Reference:
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Cummins: 5677803, 4076930, 4076931, 5677544, 4955362
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Paccar: 5677803CUM, 1399522PAC
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Engine Fitment: Cummins ISB 5.9L, ISB 6.7L, QSB 6.7L (EPA13 models)
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Vehicle Application: 2002–2007 Dodge Ram 2500/3500, various Medium/Heavy Duty Freightliner and International chassis.
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