HomeEmission Control > Evaporative SystemStandard Ignition LDP29 Evaporative Emissions System Leak Detection Pump
Part #: LDP29

Standard Ignition LDP29 Evaporative Emissions System Leak Detection Pump

13 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, Dakota and Durango
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OE-Style Leak Detection Pump for EVAP Systems

The Standard Ignition LDP29 is a direct-fit evaporative emissions system leak detection pump for select Dodge applications. It uses engine vacuum to help identify EVAP leaks and supports accurate voltage feedback through a precision-calibrated diaphragm and spring assembly.

Built with a high-temperature OE-style plastic housing, this pump is made to match factory fit and electrical connection points on Dodge Dakota and Dodge Durango applications.

Key Features

  • Direct-fit OE replacement for evaporative emissions leak detection
  • Uses engine vacuum to detect proper EVAP system sealing
  • Precision-calibrated diaphragm and spring help control switch operation and voltage readings
  • High-temperature OE-style plastic housing supports fitment in demanding underhood conditions
  • OE-quality connector and terminals help maintain solid conductivity to the engine wiring harness
  • Female connector with 1 connector, 3 hose connectors, and 3 male blade terminals

Detailed Description

Standard Ignition LDP29 is an evaporative emissions system leak detection pump engineered as an OE replacement for vehicles that rely on vacuum-based EVAP testing. It is built to match factory connector style and terminal layout, helping restore proper communication between the pump and the engine wiring harness. This part cross-references Dorman - OE Solutions 310-234 for the same application.

Compatible With 1998-2003 Dodge Dakota and 1998-2003 Dodge Durango, this pump is a practical choice when diagnosing EVAP system faults on these platforms. The LDP29 part number is also useful when searching for a direct-fit replacement for Dodge Dakota and Dodge Durango evaporative emissions repair.

What It Helps Address

  • EVAP leak codes related to improper system sealing
  • Faulty leak detection pump operation
  • Inaccurate switch voltage readings from worn internal components
  • Poor electrical connection at the pump connector or terminals
  • Vacuum-test failures during emissions diagnostics

Installation Notes and Tips

Verify connector style, hose routing, and terminal layout before installation. This pump uses a female connector with three male blade terminals, so matching the harness connection is important for proper fit. Confirm vehicle application by year and model before ordering, especially on 2002 Dodge Durango models with Current Generation Engine Controller notes.

For search relevance, this part is commonly referenced as Standard Ignition LDP29 for Dodge Dakota and Dodge Durango EVAP repair. It is also searched as an evaporative emissions leak detection pump for 1998-2003 Dodge Dakota and 1998-2003 Dodge Durango.

Quality Assurance

Standard Ignition builds this replacement pump with OE-style housing, connector, and terminal design to support factory-style fitment and electrical performance. The precision-calibrated internal diaphragm and spring are specified to help provide accurate switch response during EVAP leak detection.

BrandStandard Ignition
Part NumberLDP29
Connector GenderFemale
Connector Quantity1
Hose Connector Quantity3
Terminal GenderMale
Terminal Quantity3
Terminal TypeBlade

This part fits 13 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2003DodgeDakota3.9LV6N/A
2003DodgeDakota5.9LV8N/A
2003DodgeDurango5.9LV8N/A
2002DodgeDakotaN/A
2002DodgeDurangoN/ACurrent Generation Engine Controller
2001DodgeDakotaN/A
2001DodgeDurangoN/A
2000DodgeDakotaN/A
2000DodgeDurangoN/A
1999DodgeDakotaN/A
1999DodgeDurangoN/A
1998DodgeDakotaN/A
1998DodgeDurangoN/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:

2-71028310-2344891422AA4B159573-1190577654411ESM1005VDE1016VDP29

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