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Kemparts 133173 Ported Vacuum Switch Emissions Control

(Pontiac Firebird 1975, Ventura 1976, Parisienne 1976, Grand LeMans 1976, Grand Safari 1976, Laurentian 1976; Buick Regal 1975-76 + 12 more models)

Manufacturer

Picture for manufacturer Kemparts

Part Number

133173
7 reviews
Sale Price

$2.00

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Product Details

The Kemparts 133173 Ported Vacuum Switch is a direct-fit replacement emissions control component designed to regulate vacuum signal flow within the engine's vacuum system. Ported vacuum switches respond to engine temperature to open or close vacuum ports, helping manage ignition timing advance and emissions control systems on carbureted and early fuel-injected engines.

Key Features:

  • Direct OEM-replacement ported vacuum switch
  • Regulates vacuum signal to distributor advance or EGR system based on coolant temperature
  • Helps maintain proper ignition timing and reduce harmful emissions
  • Designed for precise fit and reliable long-term operation
  • Manufactured to meet original equipment specifications

The ported vacuum switch is a critical component in older vehicle emissions and ignition systems. A faulty switch can result in poor fuel economy, rough idle, increased emissions, or failed emissions testing. Replacing it with a quality Kemparts unit restores proper vacuum system operation.

Products specifications

Fits

Pontiac Firebird 1975, Ventura 1976, Parisienne 1976, Grand LeMans 1976, Grand Safari 1976, Laurentian 1976; Buick Regal 1975-76, LeSabre 1975-76, Century 1975-76, Skylark 1975, Riviera 1975-76, Electra 1975-76, Skyhawk 1975 + 6 more models

Like your web site, easy to use, thanks.

Went very well and received what I expected.

The right part at an affordable price.

Want to know this valve will fit my c300 Mercedes thanks

Great pricing and quick shipping. GREAT

It was simple.

No problem

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