Dorman 310-203 Evaporative Emissions System Leak Detection Pump

Brand Dorman 310-203
Color Black
Connector/Terminal Configuration Male 3 Blade
Diameter 3.8
Head Drive Type No
Inlet Outside Diameter 0.7
Length 4.5
Material Plastic
Outlet Outside Diameter 0.7
Package Contents Leak Detection Pump
Port Quantity 2
Universal Or Specific Fit Specific
Fits Chrysler, Dodge, and Jeep · 10 vehicles

OE-style replacement. Matches the fit and function of the original pump on specific applications.

Reliable performance. Engineered for dependable operation and long-lasting durability.

Plastic construction. Lightweight black housing with a male 3-blade connector.

Cross-references Standard Ignition LDP05, 4B1601 and 4891414AC for the same application. See all 5.

$114.56Free shipping
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Free returns within 60 days if it doesn't fit when fitment is verified.

Dorman 310-203 Leak Detection Pump

Dorman 310-203 is an evaporative emissions system leak detection pump built to match the fit and function of the original pump on specified applications. It is a specific-fit replacement with a plastic housing, black finish, and a male 3-blade connector for direct replacement on supported vehicles.

  • Specific-fit evaporative emissions system leak detection pump
  • Plastic construction with black housing
  • 2-port design with 0.7 in. inlet and outlet outside diameter
  • Approximate dimensions: 3.8 in. diameter and 4.5 in. length
  • Male 3-blade connector/terminal configuration
  • Filter not included

Vehicle Fitment

Compatible with 2004 Chrysler Sebring, N/A, to 7/03/03; 2004 Dodge Stratus, N/A, to 7/03/03; 2003 Chrysler Sebring, N/A; 2003 Dodge Stratus, N/A; and 1999-2001 Jeep Grand Cherokee, N/A.

This part cross-references Standard Ignition LDP05 for the same application.

What It Helps Address

  • EVAP leak detection pump failure codes
  • Check engine light concerns related to evaporative emissions monitoring
  • Faulty pressure or leak detection operation in the EVAP system
  • Hard-to-diagnose emissions inspection failures tied to the leak detection circuit

Installation Notes and Tips

Verify connector style, port layout, and physical dimensions before installation. Confirm the vehicle build date for 2004 Chrysler Sebring and 2004 Dodge Stratus applications listed as to 7/03/03. Use the OE mounting location and inspect related EVAP hoses and electrical terminals for wear during replacement.

Quality Assurance

Dorman engineers this leak detection pump to match original fit and function on the listed applications, with a focus on reliable performance and durability. Part number 310-203 is built as a direct replacement for specified Chrysler, Dodge, and Jeep vehicles.

This part fits 10 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
2004ChryslerSebring2.7LV6N/ATo 7/03/03
2004DodgeStratus2.7LV6N/ATo 7/03/03
2003ChryslerSebring2.7LV6N/A
2003DodgeStratus2.7LV6N/A
2001JeepGrand Cherokee4.7LV8N/A
2001JeepGrand Cherokee4.0LL6N/A
2000JeepGrand Cherokee4.7LV8N/A
2000JeepGrand Cherokee4.0LL6N/A
1999JeepGrand Cherokee4.7LV8N/A
1999JeepGrand Cherokee4.0LL6N/A
Directly replaces or cross-references 5 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Standard Ignition — LDP054B16014891414ACESM1011VDP05