HomeEmission Control > Evaporative SystemStandard Ignition LDP31 Evaporative Emissions System Leak Detection Pump
Part #: LDP31

Standard Ignition LDP31 Evaporative Emissions System Leak Detection Pump

19 vehicles fit this part
Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Dodge and Jeep, Ram 2500, Ram 3500, Ram 1500, and Grand Cherokee
Easy Returns — Return within 60 days for a full refund
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Overview of Standard Ignition LDP31 Leak Detection Pump

The Standard Ignition LDP31 Evaporative Emissions System Leak Detection Pump is designed for reliable operation in Dodge and Jeep vehicles. This pump plays a critical role in maintaining the integrity of the evaporative emissions system on models such as the Dodge Ram 1500, Ram 2500, Ram 3500, and Jeep Grand Cherokee.

  • Connector Gender: Female
  • Connector Quantity: 1
  • Hose Connector Quantity: 2
  • Terminal Gender: Male
  • Terminal Quantity: 3
  • Terminal Type: Blade

Detailed Product Description

The LDP31 leak detection pump from Standard Ignition is engineered to meet OEM specifications for evaporative emissions control. It features a female connector with a single connection point, ensuring secure electrical interfacing. The pump includes two hose connectors to facilitate proper vapor flow within the evaporative system. Equipped with three male blade terminals, this component provides reliable electrical connections for consistent pump operation. This part is specifically compatible with Dodge Ram 1500, 2500, 3500, and Jeep Grand Cherokee models, making it a precise replacement for vehicles requiring this evaporative emissions system component.

Common Applications and Issues Addressed

  • Detects leaks in the evaporative emissions system to prevent fuel vapor loss
  • Helps resolve check engine light codes related to EVAP system leaks
  • Prevents failed emissions tests due to system leaks
  • Maintains proper fuel vapor containment for environmental compliance
  • Supports overall engine performance by ensuring system integrity

Installation Notes and Tips

  • Verify vehicle compatibility with Dodge Ram 1500, 2500, 3500, or Jeep Grand Cherokee before installation
  • Ensure all electrical connections use the female connector and male blade terminals as specified
  • Check hose connections for secure fit on the two hose connectors to avoid leaks
  • Follow manufacturer torque specifications and safety procedures during installation

Quality Assurance and Warranty

Standard Ignition parts are manufactured to meet or exceed OEM standards for durability and performance. The LDP31 leak detection pump undergoes rigorous quality control to ensure reliable operation within the evaporative emissions system. Warranty coverage details should be confirmed with the product documentation or supplier, providing assurance of part reliability and support.

BrandStandard Ignition
Part NumberLDP31
Connector GenderFemale
Terminal GenderMale
Terminal TypeBlade

This part fits 19 vehicles. Search below:

YearMakeModelLitersCylindersFuel TypePositionNotes
2002DodgeRam 25005.9LV8GASN/A
2002DodgeRam 25008.0LV10N/A
2002DodgeRam 35005.9LV8GASN/A
2002DodgeRam 35008.0LV10N/A
2001DodgeRam 1500N/A
2001DodgeRam 25008.0LV10N/A
2001DodgeRam 25005.9LV8GASN/A
2001DodgeRam 35008.0LV10N/A
2001DodgeRam 35005.9LV8GASN/A
2000DodgeRam 1500N/A
2000DodgeRam 2500GASN/A
2000DodgeRam 3500GASN/A
1999DodgeRam 1500N/A
1999DodgeRam 2500GASN/A
1999DodgeRam 3500GASN/A
1998DodgeRam 1500N/A
1998DodgeRam 2500GASN/A
1998DodgeRam 3500GASN/A
1998JeepGrand CherokeeGASN/A

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

2-71030310-20546693364B1597600223973-11907ESM1007VDE1008VDP31

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.