Standard Ignition VS137 EGR Vacuum Modulator

Reliable EGR Vacuum Modulator for Nissan Vehicles

The Standard Ignition VS137 Exhaust Gas Recirculation (EGR) Vacuum Modulator is designed to maintain proper EGR system function in select Nissan models. This component helps regulate exhaust gas flow to reduce emissions and improve engine performance.

• Compatible with Nissan 240SX, 720, Altima, D21, Maxima, Pathfinder, Pickup, and Quest
• Part number VS137 ensures exact fit and function
• Controls vacuum signals for accurate EGR valve operation
• Durable construction for consistent performance
• Direct replacement for factory EGR vacuum modulators

Product Details and Functionality

The VS137 EGR Vacuum Modulator from Standard Ignition is engineered to regulate the vacuum pressure that controls the EGR valve in Nissan vehicles. By modulating the vacuum, it ensures the correct amount of exhaust gases are recirculated back into the intake manifold, which helps reduce nitrogen oxide emissions and supports engine efficiency. This part is specifically compatible with Nissan models including the 240SX, 720, Altima, D21, Maxima, Pathfinder, Pickup, and Quest, making it a precise replacement option for maintaining emission control systems.

Common Issues Addressed by the VS137 EGR Vacuum Modulator

• Rough idling or engine hesitation due to improper EGR function
• Increased emissions or failed emissions tests
• Check engine light triggered by EGR system faults
• Reduced fuel efficiency related to exhaust gas recirculation problems
• Vacuum leaks causing erratic engine performance

Installation Notes and Tips

• Ensure the engine is cool before beginning installation
• Verify compatibility with Nissan make and model before replacement
• Inspect vacuum lines for cracks or damage during installation
• Follow vehicle manufacturer torque specifications for mounting
• Clear any diagnostic trouble codes after installation to reset the system

Quality Assurance and Warranty Information

Standard Ignition parts are manufactured to meet or exceed OEM specifications for fit, form, and function. The VS137 EGR Vacuum Modulator undergoes quality control testing to ensure reliable operation within Nissan emission control systems. Warranty coverage details are provided by Standard Ignition and typically cover defects in material and workmanship under normal use conditions.