Gedlex Evaporative Emissions Leak Detection Pump 310-219 — Direct-Fit EVAP LDP, Durable Plastic

Gedlex 310-219 is an OEM-style evaporative emissions leak detection pump designed to replace failed EVAP LDPs in a wide range of Chrysler, Dodge, Ram, Jeep, Fiat and Alfa Romeo vehicles.

If your vehicle is showing EVAP-related trouble codes or you suspect a fuel-vapor leak, this Gedlex unit offers a direct-fit solution that restores the system’s ability to pressurize and test for leaks. Built from durable plastic and manufactured to match common replacement numbers, the pump is intended as a like-for-like swap where compatibility is confirmed.

Which vehicles will accept the Gedlex 310-219 pump?

The pump is compatible with many model years across several makes; always verify your OEM part number or cross-reference the listed replacement numbers before ordering. It fits multiple Dodge, Ram, Chrysler, Jeep, Fiat and Alfa Romeo applications when those vehicles originally used this style of EVAP leak detection pump.

• Dodge Durango (2007–2019), Nitro (2007–2011), Ram 1500 (various years listed)
• Chrysler Aspen (2007–2009); Jeep Liberty (2008–2012), Grand Cherokee (2011–2019)
• Fiat 500/500L generations and Alfa Romeo 4C (2015–2019)
• Ram ProMaster family: City, Rapid, 1500/2500/3500 where specified

How does this pump perform compared with original equipment?

The Gedlex 310-219 is produced to match common OE dimensions and electrical connections so it can perform the same EVAP leak-detection function. It’s constructed from resilient plastic designed for vehicle under-hood and underbody conditions, offering a durable replacement when the factory unit fails.

• Manufactured to align with standard replacement numbers (4B1593, ESM1003, LDP12, VDP12, etc.)
• Plastic housing intended for long-term exposure to typical automotive environments
• Engineered to restore EVAP pressurization and leak-testing capability

What should I check before buying to ensure fitment?

Confirming fitment avoids returns: inspect the failed pump for matching part numbers, compare connector type and mounting points, and verify vehicle model and year against the compatibility list. If in doubt, reference the vehicle’s VIN or consult a parts diagram for the EVAP assembly.

• Match the pump’s replacement numbers to your old unit (e.g., 4861959AA/AB/AC, 52855827AA/AB)
• Compare electrical connector shape and mounting bracket location
• Use VIN-based lookup or a trusted parts counter to confirm compatibility

How easy is installation and what tools are typically needed?

Installation is generally straightforward for a competent DIYer with basic hand tools; expect to remove underbody trim or wheel-well liners depending on vehicle access. The replacement usually involves disconnecting a single electrical connector, unfastening the mounting hardware, and transferring any hoses or brackets from the old pump.

• Basic hand tools: ratchet, sockets, screwdrivers, and possibly pliers for hose clamps
• Work under proper vehicle support if access requires lifting the car
• Follow manufacturer torque specs and verify hose seals after reassembly

Who this is for: technicians, independent mechanics, and owners of compatible Chrysler, Dodge, Ram, Jeep, Fiat and Alfa Romeo vehicles who need a reliable, cost-effective replacement for a failed EVAP leak detection pump. Choose this Gedlex 310-219 unit when you require a direct-replacement part that matches common OEM numbers and restores your vehicle’s ability to test the evaporative emissions system.