Dorman EVAP Leak Detection Pump 310-233 — Direct-Fit Replacement for Chrysler Dodge Jeep Ram, Durable OEM-Style

Dorman 310-233 is a direct-replacement evaporative emissions system leak detection pump engineered to restore proper EVAP system operation on compatible vehicles. This replacement leak detection pump from Dorman is built to match the fit and function of the factory unit for a range of Chrysler, Dodge, Jeep, Fiat, Mitsubishi and Ram models. It addresses EVAP-system failures that can trigger check-engine lights or allow fuel-vapor leaks by providing a dependable, long-lasting alternative to a clogged or failed original pump. Before ordering, verify your vehicle’s year, make, model and trim in the garage tool to confirm exact fitment.

How does this pump restore my vehicle's evaporative emissions system?

The Dorman 310-233 restores the EVAP system’s ability to detect leaks by replacing a worn or blocked pump with a component that reproduces the original unit’s flow and electrical connections. That helps return the system to normal diagnostic operation and can clear emission-related fault codes once installed and tested.

• Direct-fit design replicates original mounting and connectors
• Compatible with factory electrical and vacuum ports
• Replaces pumps that have clogged or mechanically failed
• Works with vehicle diagnostics to confirm leak detection function

What vehicles does the Dorman 310-233 fit and how can I confirm fitment?

This Dorman pump is intended for specific years and models across several brands, including Chrysler, Dodge, Jeep, Fiat, Mitsubishi and Ram. To avoid ordering the wrong part, use the site’s garage lookup and enter your exact trim and production year—fitment can vary by engine and equipment package.

• Examples: Chrysler 200 (2015–2017), Jeep Cherokee (2014–2019), Dodge Dart (2013–2016)
• Also fits certain Dodge Dakota, Ram 1500, Fiat 500X and Mitsubishi Raider years
• Always verify using VIN or vehicle trim tool for exact match

What are the key build and quality features of this replacement pump?

Dorman engineered this pump from durable materials to withstand typical under-hood conditions and to provide consistent performance over time. The part is supported by Dorman’s product expertise and decades of automotive aftermarket experience, aiming to deliver dependable service life comparable to the original equipment.

• Durable construction suited for fuel-vapor system exposure
• Manufactured to meet form, fit and functional expectations
• Backed by Dorman’s U.S.-based product support and experience
• Intended as a trustworthy replacement for failed factory pumps

How difficult is installation and what should I expect?

Installation complexity varies by vehicle but is generally a straightforward replacement for someone comfortable with basic underbody or under-hood automotive work. Expect to disconnect electrical and vacuum lines, remove fasteners, swap the old pump for the new unit, then clear codes and run a diagnostic cycle to verify proper EVAP function.

• Typical tasks: disconnect battery, remove mounting hardware, swap pump
• May require basic hand tools and access to the vehicle’s underside or trunk area
• Clear diagnostic trouble codes after installation and confirm system tests
• If unsure, have a qualified technician perform the replacement

Who is this for? This Dorman 310-233 pump is aimed at DIY mechanics, independent repair shops and fleet technicians who need a reliable, direct-fit replacement for an EVAP leak detection pump on covered models. It’s the right choice if your vehicle’s check-engine light points to EVAP leaks or if diagnostics indicate a failed leak detection pump and you want a durable aftermarket option that mirrors the original part’s fit and function.

FAQ

Q: Will this pump clear an EVAP leak code by itself?

A: Replacing the pump can resolve EVAP leak codes if the pump caused the fault; you must clear codes and run the vehicle’s diagnostic readiness test afterward.

Q: Can I install the Dorman 310-233 myself?

A: Many owners can install it with basic tools, but if you lack access or diagnostic equipment, a professional technician is recommended.