Dorman 310-204 Evaporative Emissions System Leak Detection Pump

Overview of the Dorman 310-204 Leak Detection Pump

The Dorman 310-204 Evaporative Emissions System Leak Detection Pump is designed specifically for select Chrysler, Dodge, Jeep, and Plymouth vehicles. This black plastic pump plays a critical role in maintaining your vehicle's evaporative emissions system by detecting leaks efficiently and reliably.

• Constructed from durable black plastic material
• Measures 4.5 inches in length with a 3.8-inch diameter
• Features two ports with 0.7-inch inlet and outlet outside diameters
• Equipped with a male 3-blade connector for secure electrical connection
• Designed for specific fitment on Chrysler, Dodge, Jeep, and Plymouth models

Detailed Product Description

The Dorman 310-204 leak detection pump is engineered to meet the exact specifications required for proper operation within the evaporative emissions system of compatible vehicles. Its plastic construction ensures resistance to corrosion and exposure to fuel vapors. The pump’s dimensions, including a 3.8-inch diameter and 4.5-inch length, allow for precise fitment in the designated mounting locations. The two ports, each with a 0.7-inch outside diameter, facilitate proper vapor flow, while the male 3-blade connector ensures a reliable electrical connection to the vehicle’s wiring harness.

Compatible Vehicles and Applications

This leak detection pump is compatible with specific models from Chrysler, Dodge, Jeep, and Plymouth, including the Jeep Grand Cherokee, Jeep Wrangler, Dodge Ram 1500 Van, Ram 2500 Van, Ram 3500 Van, and Plymouth Prowler. The part number 310-204 corresponds directly to these applications, ensuring proper fit and function within the evaporative emissions system.

Common Issues Addressed by the Leak Detection Pump

• Evaporative emissions system leak codes (e.g., P0442, P0455)
• Fuel vapor leaks causing check engine light activation
• Failed emissions tests due to system leaks
• Reduced fuel efficiency related to vapor loss
• Unusual odors from fuel vapor escaping the system

Installation Notes and Tips

• Verify vehicle compatibility using make, model, and part number 310-204 before installation
• Ensure all connections are secure, especially the male 3-blade electrical connector
• Inspect surrounding hoses and fittings for wear or damage during replacement
• Follow manufacturer torque specifications for mounting hardware
• Test the evaporative emissions system after installation to confirm proper operation

Quality Assurance and Warranty

Dorman manufactures this leak detection pump to meet or exceed OEM standards for fit, form, and function. The plastic construction is designed for durability in harsh under-hood environments. While specific warranty details may vary, Dorman typically offers a limited warranty covering defects in material and workmanship. Consult product documentation or the supplier for exact warranty terms.