HomeEmission Control > Vacuum SystemStandard Ignition DV143 Diverter Valve
Part #: DV143

Standard Ignition DV143 Diverter Valve

⚙️ 11 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Chevrolet, GMC, and Hummer, Colorado, Canyon, and H3
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Overview of Standard Ignition Diverter Valve DV143

The Standard Ignition DV143 diverter valve is designed for emission control vacuum systems in select Chevrolet, GMC, and Hummer vehicles. This part ensures proper vacuum flow and helps maintain your vehicle's emission standards by regulating pressure within the vacuum system.

  • Connector Quantity: 1
  • Hose Connector Quantity: 1
  • Hose Size: 1 1/4 inches
  • Port Quantity: 1
  • Terminal Type: Pins

Detailed Product Description

The DV143 diverter valve from Standard Ignition is engineered to fit specific models including the Chevrolet Canyon and Colorado, as well as the GMC Canyon and Hummer H3. Featuring a single connector and hose connector, this valve accommodates a hose size of 1 1/4 inches, ensuring compatibility with the original vacuum system components. The single port design simplifies installation and integration into the emission control system. The pin-type terminal provides a secure electrical connection, supporting reliable operation under various driving conditions.

Applications and Problem Resolution

This diverter valve is essential for maintaining proper vacuum pressure and emission control in your vehicle. It is commonly used to address issues such as:

  • Irregular vacuum pressure causing engine performance problems
  • Emission system malfunctions triggering check engine lights
  • Vacuum leaks leading to rough idling or stalling
  • Failure of the original diverter valve due to wear or damage
  • Ensuring compliance with emission regulations in Chevrolet Canyon, Colorado, GMC Canyon, and Hummer H3 models

Installation Notes and Tips

When installing the Standard Ignition DV143 diverter valve, ensure the hose size matches the specified 1 1/4 inch diameter for a proper seal. Verify the single connector and port align correctly with the vehicle’s vacuum system. Use appropriate tools to secure the pin-type terminal connections and avoid damage to the valve or wiring. It is recommended to inspect surrounding vacuum hoses and components for wear during installation to prevent future issues.

Quality Assurance and Warranty

Standard Ignition parts are manufactured to meet or exceed OEM specifications, providing reliable performance for emission control systems. The DV143 diverter valve undergoes rigorous quality checks to ensure durability and proper function. Warranty coverage details can be obtained from Standard Ignition, typically including protection against defects in materials and workmanship for a specified period.

BrandStandard Ignition
Part NumberDV143
Hose Size - Inches1 1/4
Hose Size - mmRefer to Inches
Terminal TypePins

This part fits 11 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2010ChevroletColoradoN/A
2010GMCCanyonN/A
2009ChevroletColoradoN/A
2009GMCCanyonN/A
2009HummerH33.7LL5N/A
2008ChevroletColoradoN/A
2008GMCCanyonN/A
2008HummerH33.7LL5N/A
2007ChevroletColoradoN/A
2007GMCCanyonN/A
2007HummerH33.7LL5N/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:

12555164125979002-3051560010187D1162911-151DV185EC1347

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