Standard Ignition Evaporative Emissions System Leak Detection Pump P/N:LDP03
Help your vehicle's evaporative emissions system check itself for leaks with the Standard Ignition Evaporative Emissions System Leak Detection Pump LDP12, also known as a fuel vapor leak detection pump. This direct-fit OE replacement is listed for Chrysler, Dodge, Fiat, Jeep and Ram applications:
See the Buyer's Guide tab for engine details.
A leak detection pump can fail over time. Signs that it may need replacing include a check engine light with EVAP leak codes or leak detection pump codes, or an EVAP readiness monitor that won't complete. Loose gas caps, cracked hoses and other EVAP components can set similar codes, so confirm the cause before you replace the pump.
Interchange: 2-71011
271011 · VDP12 · 4861959AA · 4861959AB · 4861959AC · 4861959AD · 52855827AA · 52855827AB · ESM1003
This part cross-references / interchanges with the following part numbers:
What does the LDP12 leak detection pump do?
It uses engine vacuum to help check the evaporative emissions system for leaks. Its calibrated diaphragm and spring open and close so that the switch receives accurate voltage readings.
Which vehicles does the LDP12 fit?
It is listed for Chrysler, Dodge, Fiat, Jeep and Ram applications, including the 2007-2011 Dodge Nitro, 2008-2012 Jeep Liberty and 2014-2021 Ram ProMaster 1500. See the Buyer's Guide tab for the full list.
What are signs a leak detection pump may need replacing?
Signs include a check engine light with EVAP leak or pump codes, or an EVAP monitor that won't complete. Gas caps, hoses and other EVAP parts can cause similar codes, so diagnose the cause before you replace the pump.
What part numbers does the LDP12 replace?
It cross-references 2-71011, VDP12, 4861959AA, 4861959AB, 4861959AC, 4861959AD, 52855827AA, 52855827AB and ESM1003.
Does it plug into the original wiring harness?
Yes. It has an OE-quality connector and terminals designed to fit the engine wiring harness exactly for a solid electrical connection.
WARNING: These products can expose you to chemicals including lead and phthalates, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.