Standard Ignition LDP55 Evaporative Emissions System Leak Detection Pump

OE Replacement Leak Detection Pump

Standard Ignition LDP55 is a direct-fit evaporative emissions system leak detection pump for Chrysler Neon, Dodge Neon, and Plymouth Neon applications. It uses engine vacuum to help detect EVAP leaks and supports accurate evaporative system diagnostics on 2000-2002 vehicles.

Key Features

• Direct-fit OE replacement for evaporative emissions leak detection
• Precision-calibrated diaphragm and spring help control switch voltage readings
• High-temperature OE-style plastic housing supports fit and durability in demanding underhood conditions
• OE-quality connector and terminals support solid electrical contact with the engine wiring harness
• Female connector with 1 connector interface, 3 hose connectors, and 3 male blade terminals
• Fits 2000-2002 Chrysler Neon, N/A; Fits 2000-2002 Dodge Neon, N/A; Fits 2000-2001 Plymouth Neon, N/A

Detailed Description

The Standard Ignition LDP55 evaporative emissions system leak detection pump is built for direct replacement on Chrysler Neon, Dodge Neon, and Plymouth Neon models. Its vacuum-operated design helps the EVAP system identify leaks, while the calibrated diaphragm and spring are engineered to open and close with the correct response for reliable voltage feedback to the switch. The OE-style housing and connector layout support proper fitment and stable electrical connection, making this Standard Ignition LDP55 a practical choice for restoring evaporative leak detection performance.

This part cross-references Dorman - OE Solutions 310-208 for the same application.

What It Helps Fix

• EVAP leak detection faults
• Check engine light concerns related to evaporative emissions
• Improper switch voltage readings in the leak detection circuit
• Vacuum-related evaporative system diagnostic issues
• Electrical connection problems at the pump connector

Installation Notes and Tips

Verify connector style, hose routing, and mounting location against the original unit before installation. Confirm the vehicle application for 2000-2002 Chrysler Neon, 2000-2002 Dodge Neon, or 2000-2001 Plymouth Neon, and inspect the EVAP hoses and wiring harness for wear or damage during replacement.

Quality Assurance

Standard Ignition supplies OE-style replacement components with application-specific fitment and materials selected for accurate electrical and vacuum-system performance. Part number LDP55 is built to match the original pump’s connector, terminal, and housing requirements for the listed Neon applications.