HomeElectrical, Lighting and Body > SwitchesStandard Ignition PVS91 Ported Vacuum Switch
Part #: PVS91

Standard Ignition PVS91 Ported Vacuum Switch

⚙️ 52 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Nissan, Van, 200SX, 300ZX, D21, Maxima, Pathfinder, Sentra, Stanza, Pulsar NX, 720, 310, 510, 810, 620, B210, F10, 710, and 610
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Reliable Ported Vacuum Switch for Nissan Vehicles

The Standard Ignition PVS91 ported vacuum switch is designed to meet the specific needs of various Nissan models. Engineered for durability and precise operation, this switch helps maintain optimal vacuum control in your vehicle's engine system.

  • Compatible with Nissan 200SX, 300ZX, 310, 510, 720, 810, D21, Maxima, Pathfinder, Pulsar NX, and Sentra models
  • Direct replacement ported vacuum switch for accurate vacuum regulation
  • Manufactured by Standard Ignition for consistent quality and fit
  • Part number PVS91 ensures correct fit and function

Product Details and Functionality

The PVS91 ported vacuum switch plays a critical role in controlling vacuum flow within the engine's emission and vacuum systems. This switch helps regulate vacuum pressure to various components, contributing to efficient engine performance and emission control. Designed specifically for Nissan vehicles, it ensures proper fitment and reliable operation across multiple models including the 200SX, 300ZX, and Maxima.

Common Applications and Problem Resolution

  • Resolves vacuum leaks causing rough idle or poor engine performance
  • Addresses issues with emission control system malfunctions
  • Helps correct vacuum-related engine stalling or hesitation
  • Prevents improper vacuum routing that can affect fuel efficiency
  • Replaces faulty switches that trigger check engine lights related to vacuum system faults

Installation Notes and Tips

Installation of the Standard Ignition PVS91 ported vacuum switch requires basic mechanical knowledge and proper handling of vacuum lines. Ensure all vacuum hoses are correctly connected to the switch ports as per the vehicle’s service manual. Inspect surrounding vacuum lines for wear or damage during installation to maintain system integrity. It is recommended to verify vacuum system operation after installation to confirm proper function.

Quality Assurance and Warranty

Standard Ignition parts are manufactured to meet or exceed OEM specifications, providing reliable performance and fit. The PVS91 ported vacuum switch undergoes rigorous quality control to ensure durability and consistent operation. Warranty coverage details are available through Standard Ignition and typically include protection against manufacturing defects for a specified period.

BrandStandard Ignition
Part NumberPVS91
ContentsPorted Vacuum Switch
Thread Size - NPT3/8" - 18 Thread

This part fits 52 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
1987Nissan200SX3.0LV6N/A2-Port natural fitment.
1987Nissan200SX3.0LV6N/ANeutral; 2 Ports
1987Nissan300ZX3.0LV6N/A
1987NissanD213.0LV6N/A2-Port natural fitment.
1987NissanD212.4LL4N/A2-Port natural fitment.
1987NissanMaxima3.0LV6N/A
1987NissanPathfinder3.0LV6N/A2-Port natural fitment.
1987NissanPathfinder3.0LV6N/ANeutral; 2 Ports
1987NissanSentra1.6LL4N/A2-Port natural fitment.
1986Nissan200SX1.8LL4N/A2-Port natural fitment.
1986Nissan200SX2.0LL4N/A2-Port natural fitment.
1986Nissan300ZX3.0LV6N/A
1986NissanD212.4LL4N/A2-Port natural fitment.
1986NissanD213.0LV6N/A2-Port natural fitment.
1986NissanMaxima3.0LV6N/A
1986NissanPulsar NXN/A2-Port natural fitment.
1986NissanSentraN/A2-Port natural fitment.
1985Nissan200SX1.8LL4N/A2-Port natural fitment.
1985Nissan200SX2.0LL4N/A2-Port natural fitment.
1985Nissan300ZX3.0LV6N/A
1985Nissan7202.4LL4N/A2-Port natural fitment.
1985Nissan7202.5LL4N/A2-Port natural fitment.
1985Nissan7202.0LL4N/A2-Port natural fitment.
1985NissanMaxima3.0LV6N/A
1985NissanSentra1.6LL4N/A2-Port natural fitment.
1984Nissan200SX1.8LL4N/A2-Port natural fitment.
1984Nissan200SX2.0LL4N/A2-Port natural fitment.
1984Nissan300ZX3.0LV6N/A
1984Nissan7202.4LL4N/A2-Port natural fitment.
1984Nissan7202.5LL4N/A2-Port natural fitment.
1984NissanSentra1.6LL4N/A2-Port natural fitment.
1983Nissan7202.4LL4N/A2-Port natural fitment.
1983Nissan7202.5LL4N/A2-Port natural fitment.
1983Nissan7202.2LL4N/A2-Port natural fitment.
1983NissanSentra1.6LL4N/A2-Port natural fitment.
1983NissanSentra1.5LL4N/A2-Port natural fitment.
1982Nissan3101.5LL4N/A2-Port natural fitment.
1982Nissan7202.2LL4N/A2-Port natural fitment.
1981Nissan200SX2.0LL4N/A2-Port natural fitment.
1981Nissan3101.5LL4N/A2-Port natural fitment.
1981Nissan5102.0LL4N/A2-Port natural fitment.
1981Nissan7202.2LL4N/A2-Port natural fitment.
1981Nissan8102.8LL6N/AOE No.14890-U7800; Neutral; 2 Ports
1980Nissan200SX2.0LL4N/A2-Port natural fitment.
1980Nissan3101.4LL4N/A2-Port natural fitment.
1980Nissan5102.0LL4N/A2-Port natural fitment.
1980Nissan7202.0LL4N/A2-Port natural fitment.
1979Nissan200SX2.0LL4N/A2-Port natural fitment.
1979Nissan3101.4LL4N/A2-Port natural fitment.
1978Nissan200SX2.0LL4N/A
1978Nissan5102.0LL4N/A
1977Nissan200SX2.0LL4N/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:

133-1621340114890U6700191119372-29055201-14343662173-70347P1133E988EC963V40-1552

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