Standard Ignition LDP12 Evaporative Emissions System Leak Detection Pump

OE-Style EVAP Leak Detection Pump

Standard Ignition LDP12 is a direct-fit evaporative emissions system leak detection pump for vehicles equipped with an EVAP System Integrity Module (ESIM). It uses engine vacuum to help verify evaporative leak integrity and is built for accurate electrical feedback in the EVAP system.

Compatible with Dodge Durango, Jeep Grand Cherokee, Ram 1500, and other Chrysler, Fiat, and Ram applications listed below, this Standard Ignition LDP12 replacement is built for precise fitment and dependable signal control.

Key Features

• Direct-fit OE replacement for EVAP leak detection applications
• Uses engine vacuum to detect proper evaporative leak conditions
• Precision-calibrated diaphragm and spring for accurate switch operation
• High-temperature OE-style plastic housing for fit and durability
• OE-quality connector and terminals for solid harness connection
• Female connector with 1 hose connector, 2 male blade terminals

Detailed Description

The Standard Ignition LDP12 is engineered for EVAP system service where accurate leak detection and stable electrical readings matter. Its calibrated diaphragm and spring help the switch open and close at the correct points, while the OE-style housing and connector layout support a clean factory-style installation. This part number is commonly searched as Standard Ignition LDP12 and is used on EVAP System Integrity Module (ESIM) applications across Dodge Durango, Jeep Grand Cherokee, Ram ProMaster, Fiat 500, and related platforms.

This part cross-references Dorman - OE Solutions 310-219 for the same application.

What It Helps Address

• EVAP leak detection faults
• Check engine light concerns related to evaporative emissions monitoring
• Improper switch readings from a worn or damaged leak detection pump
• Connector or terminal fitment issues at the EVAP harness
• Housing damage from heat or underbody exposure

Installation Notes and Fitment

• Fits 2011-2021 Dodge Durango, EVAP System Integrity Module (ESIM)
• Fits 2007-2009 Dodge Durango, EVAP System Integrity Module (ESIM)
• Fits 2011-2021 Jeep Grand Cherokee, EVAP System Integrity Module (ESIM)
• Fits 2021 Jeep Grand Cherokee L, EVAP System Integrity Module (ESIM)
• Fits 2011-2021 Ram 1500, EVAP System Integrity Module (ESIM)
• Fits 2014-2021 Ram ProMaster 1500, EVAP System Integrity Module (ESIM)
• Fits 2014-2021 Ram ProMaster 2500, EVAP System Integrity Module (ESIM)
• Fits 2014-2021 Ram ProMaster 3500, EVAP System Integrity Module (ESIM)
• Fits 2012-2019 Fiat 500, EVAP System Integrity Module (ESIM)
• Fits 2015-2017 Ram ProMaster City, EVAP System Integrity Module (ESIM)
• Fits 2015-2016 Fiat 500L, EVAP System Integrity Module (ESIM)
• Fits 2008-2012 Jeep Liberty, EVAP System Integrity Module (ESIM)
• Fits 2007-2011 Dodge Nitro, EVAP System Integrity Module (ESIM)
• Fits 2009-2010 Dodge Ram 1500, EVAP System Integrity Module (ESIM)
• Fits 2007-2009 Chrysler Aspen, EVAP System Integrity Module (ESIM)

Verify connector style, hose connection, and ESIM application before installation. Standard Ignition LDP12 is built as a direct replacement for the listed vehicles and should be matched to the original EVAP configuration.

Quality Assurance

Standard Ignition supplies this part as an OE-style replacement with factory-type connector and terminal design, high-temperature housing, and calibrated internal components for consistent EVAP system operation.