



🚗 Keep your ride clean and compliant with precision-engineered power!
The Dorman 310-500 Evaporative Emissions System Leak Detection Pump is a direct-fit replacement part designed for select Chrysler, Dodge, and Jeep models. It restores the functionality of your vehicle’s emissions control system with durable, high-quality materials and is backed by over a century of automotive expertise. Easy to confirm fitment via the garage tool, this pump ensures reliable, long-lasting performance to keep your vehicle running clean and compliant.




| Brand | Dorman |
| Fit Type | Vehicle Specific Fit |
| Vehicle Service Type | Car, Truck, Van |
| Item dimensions L x W x H | 6.1 x 5.3 x 4.8 inches |
| Material | Plastic |
| Item Weight | 11.36 ounces |
| Auto Part Position | Front |
| Outlet Connection Type | Threaded |
| Body Material | Plastic |
| Inlet Connection Type | Threaded |
| Gas Type | Gasoline |
| Mounting Type | Rack Mount |
| Operation Mode | Mechanical |
| Product Grade | Performance Part |
| Global Trade Identification Number | 00019495252047 |
| OEM Part Number | 4B1606; 4B1608; ESM1016; ESM1018; 4891427AB; 4891525AB |
| Manufacturer | Dorman Products |
| UPC | 019495252047 |
| Model | Leak Detection Pump |
| Item Weight | 11.4 ounces |
| Product Dimensions | 6.1 x 5.3 x 4.8 inches |
| Item model number | 310-500 |
| Exterior | Machined |
| Manufacturer Part Number | 310-500 |
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