Keep your aftertreatment system fully operational in sub-zero temperatures with the Genuine Paccar 5502-17 DEF Heater Control & Coolant Solenoid Valve. Engineered specifically for Peterbilt and Kenworth heavy-duty trucks, this 2-way solenoid valve regulates engine coolant flow to thaw frozen Diesel Exhaust Fluid (DEF) and prevent costly emissions shutdown codes.
Key Benefits & Features
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Direct OEM Replacement: Factory genuine Paccar component ensures seamless communication with your truck's ECU—preventing false diagnostic fault codes (DTCs).
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Freeze & Crystallization Protection: Automatically regulates hot coolant circulation to keep DEF liquid above its freezing point (12°F / -11°C).
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4-Bolt Mounting: Features the bracket design.
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Heavy-Duty Durability: Thermal-resistant body built to withstand harsh under-hood environmental conditions and chemical exposure.
Cross-Reference Part Numbers
Replaces and interchanges with the following part numbers:
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Paccar / OEM: 5502-17, 5502-02, 550202, 550217
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Kenworth / Peterbilt: F90-6016, F906016, W072846
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Other Cross References: 8590890
Vehicle & Engine Compatibility
Fits various heavy-duty commercial applications equipped with Paccar MX-11 and MX-13 engines, including:
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Peterbilt Models: 367, 389, 567, 579
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Kenworth Models: T680, T880, T800, W900
Fitment Tip: Solenoid valve designs can vary by model year and build revision. Always verify fitment with your VIN or full Chassis Number prior to ordering.
Technical Specifications
| Manufacturer |
Paccar (Genuine OEM) |
| Part Number |
5502-17 |
| Component Type |
DEF Coolant Solenoid / Heater Control Valve |
| Operation / Flow |
2-Way Electric Solenoid |
| Operating Voltage |
12V DC |
| Shipping Weight |
1.0 lb |
