Air Injection Pumps & Components

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    • (0 reviews)
      # sp12669
      Secondary Air Injection Pump by URO Parts®. Make your vehicle operating quiet again by replacing your malfunctioning component with this top-notch emission control part. The dependable URO part will make your exhaust system work as it...
      Designed to replace your worn out exhaust partHelps to restore quiet vehicle operation
      $121.19
    • (0 reviews)
      # sp107199
      Secondary Air Injection Pump by CVJ®. Is your CHECK ENGINE light on? Has your vehicle failed a state emissions test? Your vehicle's emissions control system is in need of repair, but before you waste your time and gas running out to the...
      High quality at an affordable priceExpertly made from premium materials
      $501.05 - $605.21
    • (0 reviews)
      # sp107264
      Secondary Air Injection Pump by Genuine®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet your needs and deliver great...
      OE quality parts from top original equipment and aftermarket manufacturersThe finest quality at a great price
      $307.42 - $926.07
    • (0 reviews)
      # sp107240
      Secondary Air Injection Pump by Motorcraft®. Keep your vehicle's emission control system functioning properly with this quality product. Manufactured for your specific vehicle, the part meets strict Ford Motor Company standards and...
      Built to strict Ford Motor Company specificationsRecommended by Ford Motor Company
      $112.64 - $187.66
    • (0 reviews)
      # sp13480
      Intermotor™ Secondary Air Injection Pump by Standard®. SMP’s vision is to be the leading independent supplier to the automotive aftermarket, providing the highest quality products, competitive prices and the highest reputation for...
      OE quality parts from top original equipment and aftermarket manufacturersThe finest quality at a great price
      $384.90 - $494.41
    • (2 reviews)
      # sp107304
      Secondary Air Injection Pump by A1 Cardone. 100% testing of all units guarantees reliable performance every time. High temperature grease extends bearing life, resulting in longer pump life. New carbon shoes/vanes on every unit ensure...
      100% testing of all units guarantees reliable performance every time.High temperature grease extends bearing life, resulting in longer pump life.
      $62.56 - $409.13
    • (0 reviews)
      # sp27946
      Air Injection Pump by Standard®. SMP’s vision is to be the leading independent supplier to the automotive aftermarket, providing the highest quality products, competitive prices and the highest reputation for integrity to all channels...
      OE quality parts from top original equipment and aftermarket manufacturersThe finest quality at a great price
      $109.28 - $281.99
    • (0 reviews)
      # sp109037
      Secondary Air Injection Pump by Bosch®. Designed utilizing the latest technology, this product by Bosch features premium quality and will perform better than advertised. Perfect for your vehicle and lifestyle, it is manufactured to meet...
      100% new, not rebuiltOE design to ensure exact fit, form and function
      $142.87 - $395.34
    • (0 reviews)
      # sp108684
      Secondary Air Injection Pump by Dorman®. Dorman’s A.I.R. Pump comes with all the hardware and other components necessary for a complete repair. Since this part is a direct replacement, the exact fit adds another layer of efficiency...
      Save money by replacing only the failed pump - instead of the entire mating cover assemblyReplacement restores A.I.R. System to proper functioning
      $121.95 - $511.95
    • (0 reviews)
      # sp106776
      GM Original Equipment™ Secondary Air Injection Pump by ACDelco®. Designed utilizing the latest technology, this product by ACDelco features premium quality and will perform better than advertised. Perfect for your vehicle and...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $94.40 - $621.83
    • (0 reviews)
      # sp129210
      Secondary Air Injection Pump by Pierburg®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet your needs and deliver great...
      Made to provide unequaled quality and reliabilityMade with the use of the latest technologies
      $187.18 - $376.18
    • (0 reviews)
      # sp110130
      Secondary Air Injection Pump by Vemo®. Is your CHECK ENGINE light on? Has your vehicle failed a state emissions test? Your vehicle's emissions control system is in need of repair, but before you waste your time and gas running out to...
      High quality at an affordable priceExpertly made from premium materials
      $34.69 - $569.86
    • (0 reviews)
      # sp126907
      Rebuilt Secondary Air Injection Pump by C&M Hydraulics®. With an attention to detail equal to OE remanufacturers, C & M produces reliable units at a reasonable price. Units are completely disassembled and reassembled with all new seals....
      Expertly developed to provide a high level of safety and qualityDesigned with innovative manufacturing techniques
      $325.21 - $373.97
    • (1 review)
      # sp166293
      Air Injection Pump by Pierburg®. Is your CHECK ENGINE light on? Has your vehicle failed a state emissions test? Your vehicle's emissions control system is in need of repair, but before you waste your time and gas running out to the auto...
      High quality at an affordable priceExpertly made from premium materials
      $154.90 - $534.65
    • (0 reviews)
      # sp143604
      Secondary Air Injection Pump by ACDelco®. Designed utilizing the latest technology, this product by ACDelco features premium quality and will perform better than advertised. Perfect for your vehicle and lifestyle, it is manufactured to...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $144.09 - $371.60
    • (0 reviews)
      # mpn1032497591
      Secondary Air Injection Pump by URO Parts®. Position: Secondary. Make your vehicle operating quiet again by replacing your malfunctioning component with this top-notch emission control part. The dependable URO part will make your...
      Designed to replace your worn out exhaust partHelps to restore quiet vehicle operation
      $121.19
    • (0 reviews)
      # mpn1032497591
      Secondary Air Injection Pump by URO Parts®. Make your vehicle operating quiet again by replacing your malfunctioning component with this top-notch emission control part. The dependable URO part will make your exhaust system work as it...
      Designed to replace your worn out exhaust partHelps to restore quiet vehicle operation
      $121.19
    • (0 reviews)
      # mpn2260465
      Remanufactured Electric Secondary Air Injection Pump by CVJ®. Is your CHECK ENGINE light on? Has your vehicle failed a state emissions test? Your vehicle's emissions control system is in need of repair, but before you waste your time...
      High quality at an affordable priceExpertly made from premium materials
      $605.21
    • (0 reviews)
      # mpn182859654
      Remanufactured Secondary Air Injection Pump by CVJ®. Is your CHECK ENGINE light on? Has your vehicle failed a state emissions test? Your vehicle's emissions control system is in need of repair, but before you waste your time and gas...
      High quality at an affordable priceExpertly made from premium materials
      $565.98
    • (0 reviews)
      # mpn182859653
      Remanufactured Secondary Air Injection Pump by CVJ®. Is your CHECK ENGINE light on? Has your vehicle failed a state emissions test? Your vehicle's emissions control system is in need of repair, but before you waste your time and gas...
      High quality at an affordable priceExpertly made from premium materials
      $524.65
    • (0 reviews)
      # mpn2260466
      Remanufactured Secondary Air Injection Pump by CVJ®. Is your CHECK ENGINE light on? Has your vehicle failed a state emissions test? Your vehicle's emissions control system is in need of repair, but before you waste your time and gas...
      High quality at an affordable priceExpertly made from premium materials
      $501.05
    • (0 reviews)
      # mpn1267016
      Secondary Air Injection Pump by Motorcraft®. Is your CHECK ENGINE light on? Has your vehicle failed a state emissions test? Your vehicle's emissions control system is in need of repair, but before you waste your time and gas running out...
      Built to strict Ford Motor Company specificationsRecommended by Ford Motor Company
      $112.64
    • (0 reviews)
      # mpn1267018
      Secondary Air Injection Pump by Motorcraft®. Is your CHECK ENGINE light on? Has your vehicle failed a state emissions test? Your vehicle's emissions control system is in need of repair, but before you waste your time and gas running out...
      Built to strict Ford Motor Company specificationsRecommended by Ford Motor Company
      $186.69
    • (0 reviews)
      # mpn1267017
      Secondary Air Injection Pump by Motorcraft®. Is your CHECK ENGINE light on? Has your vehicle failed a state emissions test? Your vehicle's emissions control system is in need of repair, but before you waste your time and gas running out...
      Built to strict Ford Motor Company specificationsRecommended by Ford Motor Company
      $187.66
    • (0 reviews)
      # mpn1267015
      Secondary Air Injection Pump by Motorcraft®. Is your CHECK ENGINE light on? Has your vehicle failed a state emissions test? Your vehicle's emissions control system is in need of repair, but before you waste your time and gas running out...
      Built to strict Ford Motor Company specificationsRecommended by Ford Motor Company
      $126.82
    • (0 reviews)
      # mpn53667026
      Intermotor™ New Secondary Air Injection Pump by Standard®. SMP’s vision is to be the leading independent supplier to the automotive aftermarket, providing the highest quality products, competitive prices and the highest reputation...
      OE quality parts from top original equipment and aftermarket manufacturersThe finest quality at a great price
      $441.67
    • (0 reviews)
      # mpn1741955795
      Intermotor™ New Secondary Air Injection Pump by Standard®. SMP’s vision is to be the leading independent supplier to the automotive aftermarket, providing the highest quality products, competitive prices and the highest reputation...
      OE quality parts from top original equipment and aftermarket manufacturersThe finest quality at a great price
      $494.41
    • (0 reviews)
      # mpn8388
      Remanufactured Secondary Air Injection Pump by Cardone®. Import. 100% testing of all units guarantees reliable performance every time. High temperature grease extends bearing life, resulting in longer pump life. New carbon shoes/vanes...
      100% testing of all units guarantees reliable performance every time.High temperature grease extends bearing life, resulting in longer pump life.
      $312.93
    • (0 reviews)
      # mpn14505
      Remanufactured Secondary Air Injection Pump by Cardone®. Domestic. 100% testing of all units guarantees reliable performance every time. High temperature grease extends bearing life, resulting in longer pump life. New carbon shoes/vanes...
      100% testing of all units guarantees reliable performance every time.High temperature grease extends bearing life, resulting in longer pump life.
      $255.72
    • (0 reviews)
      # mpn2463
      Remanufactured Secondary Air Injection Pump by Cardone®. Domestic. 100% testing of all units guarantees reliable performance every time. High temperature grease extends bearing life, resulting in longer pump life. New carbon shoes/vanes...
      100% testing of all units guarantees reliable performance every time.High temperature grease extends bearing life, resulting in longer pump life.
      $133.25




    The Secondary Air Injection System, also known as the Air Injection Reactor (AIR) system, pumps fresh air into the exhaust system to cause further oxidation of unburned fuel in the exhaust, reducing Hydrocarbons (HC) and Carbon Monoxide (CO) emissions. The system includes an electric or belt-driven air pump, an air control valve, a vacuum switch, a diverter valve, one-way check valves, and hoses and tubing.

    Pressurized air is generated by the air pump and fed into the exhaust system near the exhaust ports (in the cylinder head or the exhaust manifold) and at the catalytic converter, but not at the same time. The air control valve routes air to the head/manifold when the engine is warming up, to reduce emissions from the rich air/fuel mixture needed for a cold engine, and to heat the exhaust to bring the oxygen (O2) sensor and catalytic converter up to temperature sooner. When normal operating temperature is reached, the vacuum switch signals the air control valve to route air to the catalytic converter, where the injected air helps with the oxidation of HC and CO.

    During deceleration, the closed throttle causes a rich air/fuel mixture. If air was injected into this mixture, a potentially component damaging backfire or explosion could result. To prevent this, a vacuum signal directs the diverter valve to route the compressed air to atmosphere during deceleration. The one-way check valves prevent hot exhaust gas from entering and damaging the air pump. These valves are located before the exhaust manifold and before the catalytic converter. When air is supplied to the component behind the valve, the exhaust manifold for example, the valve opens under the air pressure. When air is routed to the catalytic converter, the check valve closes in response to exhaust backpressure.

    Although system diagnostics will vary according to make and model year, certain inspections are universal. Check the hoses and one-way check valves for evidence of burning, which can result in exhaust leaks and exhaust entering the system. On many air pumps, there is a centrifugal filter behind the pulley that can be replaced. Most modern systems will set Diagnostic Trouble Codes (DTCs) in the Engine Control Module (ECM) if there is a problem in the system. If air is not pumped to the head/manifold during warm-up, there will be excessive emissions and reduced fuel economy. Correspondingly, if air is pumped to the head/manifold when the engine is at normal operating temperature, the excess air in the system will be interpreted by the O2 sensor as a lean condition. In response, the ECM will create a rich/air fuel mixture, reducing fuel economy and causing the vehicle to fail an emissions test.

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    Average rating:    5 - 11 reviews
    5 of 5
    Secondary Air Injection Shut-Off Valve
    This valve was a perfect match just like the GM Original Equipment, excellent workmanship, the valve location on the engine made the installation an easy task.
    Posted by Jesus (Cicero, IL) / September 18, 20172002 Oldsmobile Aurora
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