HomeElectrical, Lighting and Body > SwitchesStandard Ignition PVS72 Ported Vacuum Switch
Part #: PVS72

Standard Ignition PVS72 Ported Vacuum Switch

⚙️ 34 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Chevrolet, GMC, Oldsmobile, and Pontiac, C10, C10 Suburban, C20, Camaro, G10, G20, G30, K10, K10 Suburban, K20, K5 Blazer, Nova, C15 Suburban, G15, Jimmy, K15, K15 Suburban, K25, Cutlass Supreme, Omega, Firebird, LeMans, C30, Grand LeMans, C10 Pickup, C20 Pickup, and C30 Pickup
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Overview of Standard Ignition Ported Vacuum Switch PVS72

The Standard Ignition PVS72 ported vacuum switch is designed for reliable operation in various Chevrolet, GMC, Oldsmobile, and Pontiac vehicles. This switch features a 3/8" - 18 NPT thread size and two hose connectors, ensuring compatibility with multiple engine vacuum systems.

  • Ported vacuum switch with two hose connectors
  • Thread size: 3/8" - 18 NPT for secure fitting
  • Compatible with Chevrolet, GMC, Oldsmobile, and Pontiac models
  • Part number PVS72 for precise identification
  • Suitable for models including C10, Camaro, Firebird, and K5 Blazer

Detailed Product Description

The Standard Ignition PVS72 ported vacuum switch is engineered to regulate vacuum flow in emission control and engine management systems. With two hose connectors, it allows for efficient routing of vacuum lines, while the 3/8" - 18 NPT threaded connection ensures a tight and leak-free installation. This part is compatible with a range of classic and late-model vehicles such as the Chevrolet C10 Suburban, GMC Jimmy, Oldsmobile Cutlass Supreme, and Pontiac Grand LeMans. The PVS72 is designed to meet or exceed OEM specifications, providing dependable performance in electrical, lighting, and body system applications.

Applications and Problem Solving

  • Regulates vacuum flow in emission control systems
  • Prevents vacuum leaks that can cause engine performance issues
  • Replaces faulty or worn vacuum switches in Chevrolet and GMC trucks
  • Restores proper operation of vacuum-actuated components in Pontiac and Oldsmobile models
  • Supports engine idle stability and emission compliance

Installation Notes and Tips

  • Ensure the 3/8" - 18 NPT thread is clean and free of debris before installation
  • Use appropriate thread sealant to prevent vacuum leaks
  • Verify hose connections match the two port connectors on the switch
  • Consult vehicle-specific service manuals for vacuum line routing
  • Test vacuum system after installation to confirm proper operation

Quality Assurance and Warranty

Standard Ignition parts are manufactured to meet industry standards for durability and performance. The PVS72 ported vacuum switch undergoes quality control testing to ensure reliable function in compatible Chevrolet, GMC, Oldsmobile, and Pontiac vehicles. Warranty coverage details are provided by Standard Ignition and may vary; consult the manufacturer’s documentation for specific terms.

BrandStandard Ignition
Part NumberPVS72
ContentsPorted Vacuum Switch
Thread Size - NPT3/8" - 18 Thread

This part fits 34 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
1976ChevroletC104.1LL6N/APorted Vacuum Switch with 2 Ports and Black Finish
1976ChevroletC10 Suburban4.1LL6N/APorted Vacuum Switch with 2 Ports and Black Finish
1976ChevroletC204.1LL6N/APorted Vacuum Switch with 2 Ports and Black Finish
1976ChevroletCamaro4.1LL6N/AOE No. 3031548; Black Finish; 2 Ports
1976ChevroletG104.1LL6N/AOE No. 3031548; Black Finish; 2 Ports
1976ChevroletG204.1LL6N/APorted Vacuum Switch with 2 Ports and Black Finish
1976ChevroletG304.1LL6N/APorted Vacuum Switch with 2 Ports and Black Finish
1976ChevroletK104.1LL6N/APorted Vacuum Switch with 2 Ports and Black Finish
1976ChevroletK10 Suburban4.1LL6N/APorted Vacuum Switch with 2 Ports and Black Finish
1976ChevroletK204.1LL6N/APorted Vacuum Switch with 2 Ports and Black Finish
1976ChevroletK5 Blazer4.1LL6N/APorted Vacuum Switch with 2 Ports and Black Finish
1976ChevroletNova4.1LL6N/AOE No. 3031548; Black Finish; 2 Ports
1976GMCG154.1LL6N/AOE No. 3031548; Black Finish; 2 Ports
1976GMCJimmy4.1LL6N/AOE No. 3031548; Black Finish; 2 Ports
1976OldsmobileCutlass Supreme4.1LL6N/A
1976OldsmobileOmega4.1LL6N/AOE No. 3031548; Black Finish; 2 Ports
1976PontiacFirebird4.1LL6N/AOE No. 3031548; Black Finish; 2 Ports
1976PontiacLeMans4.1LL6N/AOE No. 3031548; Black Finish; 2 Ports
1975ChevroletC104.1LL6N/APorted Vacuum Switch with 2 Ports and Black Finish
1975ChevroletC204.1LL6N/APorted Vacuum Switch with 2 Ports and Black Finish
1975ChevroletC304.1LL6N/APorted Vacuum Switch with 2 Ports and Black Finish
1975ChevroletCamaro4.1LL6N/AOE No. 3031548; Black Finish; 2 Ports
1975ChevroletG104.1LL6N/AOE No. 3031548; Black Finish; 2 Ports
1975ChevroletG204.1LL6N/APorted Vacuum Switch with 2 Ports and Black Finish
1975ChevroletK104.1LL6N/AOE No. 3031548; Black Finish; 2 Ports
1975ChevroletK204.1LL6N/APorted Vacuum Switch with 2 Ports and Black Finish
1975ChevroletNova4.1LL6N/AOE No. 3031548; Black Finish; 2 Ports
1975GMCG154.1LL6N/AOE No. 3031548; Black Finish; 2 Ports
1975GMCJimmy4.1LL6N/AOE No. 3031548; Black Finish; 2 Ports
1975OldsmobileCutlass Supreme4.1LL6N/A
1975OldsmobileOmega4.1LL6N/AOE No. 3031548; Black Finish; 2 Ports
1975PontiacFirebird4.1LL6N/AOE No. 3031548; Black Finish; 2 Ports
1975PontiacGrand LeMans4.1LL6N/AOE No. 3031548; Black Finish; 2 Ports
1975PontiacLeMans4.1LL6N/AOE No. 3031548; Black Finish; 2 Ports

* 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:

133-155191402852-29059303154873-70287P1050E981EC967

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