Standard Ignition LDP05 Evaporative Emissions System Leak Detection Pump

OE-Style Evaporative Leak Detection Pump

Standard Ignition LDP05 is a direct-fit evaporative emissions system leak detection pump for vehicles that rely on engine vacuum to verify EVAP system integrity. It is built for accurate leak detection and precise electrical feedback, making it a practical replacement for Chrysler Sebring, Dodge Stratus, and Jeep Grand Cherokee applications.

• Direct-fit OE replacement for evaporative emissions leak detection
• Uses engine vacuum to help detect proper EVAP system leaks
• Precision-calibrated diaphragm and spring for accurate switch voltage readings
• OE-quality connector and terminals for exact harness fit and conductivity
• High-temperature OE-style plastic housing for demanding underhood conditions
• Female connector with 1 connector, 3 blade terminals, and 3 hose connectors
• Hose sizes: 1/4 in. and 5/8 in.

Detailed Product Overview

Standard Ignition LDP05 is engineered as an OE replacement evaporative emissions system leak detection pump for 2003-2004 Chrysler Sebring, 2003-2004 Dodge Stratus, and 1999-2001 Jeep Grand Cherokee. The pump’s diaphragm and spring are calibrated to open and close at the proper points so the switch can deliver accurate voltage readings, supporting reliable EVAP system monitoring. The OE-style connector, male blade terminals, and high-temperature housing help maintain proper fit and electrical connection in the engine bay. This part cross-references Dorman OE Solutions 310-203 for the same application.

Common EVAP Issues This Part Can Address

• EVAP leak detection pump fault codes
• Check engine light related to evaporative emissions monitoring
• Inaccurate switch voltage readings from a worn pump assembly
• Poor electrical connection at the EVAP harness interface
• Vacuum-based leak detection performance concerns

Installation Notes and Tips

Verify connector style, hose sizes, and vehicle application before installation. This part is listed for 2003-2004 Chrysler Sebring, 2003-2004 Dodge Stratus, and 1999-2001 Jeep Grand Cherokee, with no position-specific fitment noted. Inspect EVAP hoses and wiring for damage during replacement so the new pump can operate with proper vacuum and electrical continuity.

Quality Assurance

Standard Ignition builds this LDP05 replacement with OE-style materials, connector geometry, and terminal design to support accurate fit and dependable operation in evaporative emissions service.