Description
Product Overview
The AUTOMAJOR Turbocharger Boost Pressure Solenoid is a precision‑engineered component designed to regulate boost pressure in turbocharged diesel engines. Constructed from a blend of high‑grade metal and reinforced plastic rubber, the solenoid resists corrosion and wear even under the most demanding conditions. It matches the original equipment specifications for the 5.9L V8 diesel found in popular RAM 2500 and 3500 models from 2004 to 2009, ensuring a seamless fit and reliable operation. Key specifications include a compact package size of 4.06 x 3.23 x 2.17 inches, a lightweight design at just 10.12 ounces, and a part number series that aligns with OEM references such as 5140305AA and 05140305AA.
Usage
This solenoid is ideal for both fleet maintenance shops and individual owners who demand consistent turbo performance. Install it when replacing a faulty boost controller, performing a performance upgrade, or conducting routine preventive maintenance on your diesel engine. The component thrives in heavy‑duty environments, handling the high temperatures and pressure fluctuations typical of towing, off‑road work, and long‑haul trucking. Its universal compatibility with multiple part numbers simplifies inventory management for service centers.

Why Choose Us
Choosing the AUTOMAJOR solenoid means opting for a product that adheres to strict quality guidelines throughout manufacturing. Each unit undergoes rigorous testing for sealing performance, electrical continuity, and durability, guaranteeing that you receive a component that meets or exceeds factory standards. Our commitment to corrosion‑resistant materials extends the service life, reducing the frequency of replacements and minimizing downtime. Additionally, our responsive customer support and comprehensive warranty provide peace of mind for professional technicians and DIY users alike.
Key Features
- High‑quality metal and reinforced plastic construction for superior durability
- Exact OEM fit for 5.9L V8 diesel engines in RAM 2500/3500 (2004‑2009)
- Corrosion‑resistant materials ensure long‑term reliability in harsh conditions
- Precise boost pressure regulation improves engine response and fuel efficiency
- Easy installation with standard bolt pattern and plug‑and‑play electrical connector
FAQ
Is this solenoid compatible with all RAM 2500 models?
Yes, the solenoid is designed for the 5.9L V8 diesel engine found in RAM 2500 and 3500 trucks from model years 2004 through 2009, covering the most common configurations.
What part numbers does this solenoid replace?
It replaces several OEM part numbers including 5140305AA, 05140305AA, 5140887AB, 05140887AB, 5143256AA, 05143256AA, and 2N1311 WGS1.
Can I install the solenoid myself?
Yes, the unit features a standard bolt pattern and a plug‑and‑play electrical connector, making it suitable for both professional mechanics and experienced DIY enthusiasts.
How does the solenoid improve engine performance?
By accurately controlling boost pressure, the solenoid helps maintain optimal turbocharger speed, resulting in smoother power delivery, better fuel efficiency, and reduced turbo lag.
What warranty does AUTOMAJOR offer?
We provide a one‑year limited warranty covering defects in materials and workmanship, backed by responsive customer service for any support needs.








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