Standard Ignition LDP04 Evaporative Emissions System Leak Detection Pump

OE-Style Leak Detection Pump for PT Cruiser

The Standard Ignition LDP04 is a direct-fit evaporative emissions system leak detection pump for 2001-2002 Chrysler PT Cruiser models. It uses engine vacuum to help identify EVAP leaks and supports accurate voltage feedback to the switch for proper system monitoring.

Key Features

• Direct-fit OE replacement for evaporative emissions leak detection
• Precision-calibrated diaphragm and spring for controlled opening and closing action
• OE-quality connector and terminals for secure harness connection
• High-temperature plastic housing for underhood durability
• Designed for 2001-2002 Chrysler PT Cruiser applications
• Standard Ignition LDP04 replacement part number for service matching

Detailed Description

Standard Ignition LDP04 is built for EVAP system service where accurate leak detection is required. The pump is engineered to match OE fit and electrical connection points, with a female connector, three blade terminals, and three hose connections sized for 1/4 inch and 5/8 inch lines. For Chrysler PT Cruiser owners, this part number LDP04 provides a direct replacement path for restoring evaporative leak detection function without changing the original harness interface.

This part cross-references Dorman - OE Solutions 310-211 for the same application.

What It Helps Fix

• EVAP leak detection faults
• Check engine light concerns related to evaporative emissions monitoring
• Improper vacuum-based leak test operation
• Electrical connection issues at the pump connector
• Fitment problems caused by worn OE-style plastic housings

Installation Notes and Tips

Verify hose size, connector style, and terminal layout before installation. This LDP04 uses a female connector with male blade terminals, so matching the original harness and hose routing is important for correct installation. Confirm compatibility with 2001-2002 Chrysler PT Cruiser, and inspect the EVAP lines and electrical terminals for wear or corrosion during service.

Quality Assurance

Standard Ignition builds this leak detection pump with OE-style materials and calibrated internal components to support accurate EVAP system operation. The housing, connector, and terminal design are intended to match factory fit and electrical contact requirements for dependable service.