Air Injection Pumps & Components

Air Injection Pumps
  • ACDelco® - Genuine GM Parts™ Secondary Air Injection Pump
    ACDelco®Genuine GM Parts™ Secondary Air Injection Pump (215-610)
    0
    # mpn4410819674
    Genuine GM Parts™ Secondary Air Injection Pump (215-610) 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
    $102.99
  • ACDelco® - Genuine GM Parts™ Secondary Air Injection Pump
    ACDelco®Genuine GM Parts™ Secondary Air Injection Pump (55560133)
    0
    # mpn4410815098
    Genuine GM Parts™ 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...
    Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
    $138.28
  • ACDelco® - Genuine GM Parts™ Secondary Air Injection Pump
    ACDelco®Genuine GM Parts™ Secondary Air Injection Pump (215-660)
    0
    # mpn914888909
    Genuine GM Parts™ Secondary Air Injection Pump (215-660) 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
    $159.11
  • ACDelco® - Genuine GM Parts™ Secondary Air Injection Pump
    ACDelco®Genuine GM Parts™ Secondary Air Injection Pump (215-611)
    0
    # mpn914888890
    Genuine GM Parts™ 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...
    Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
    $111.95
  • ACDelco® - Genuine GM Parts™ Secondary Air Injection Pump
    ACDelco®Genuine GM Parts™ Secondary Air Injection Pump (215-629)
    1
    # mpn914888889
    Genuine GM Parts™ 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...
    Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
    $142.17
  • ACDelco® - Genuine GM Parts™ Secondary Air Injection Pump
    ACDelco®Genuine GM Parts™ Secondary Air Injection Pump (215-563)
    0
    # mpn914888878
    Genuine GM Parts™ 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...
    Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
    $193.27
  • ACDelco® - Genuine GM Parts™ Secondary Air Injection Pump
    ACDelco®Genuine GM Parts™ Secondary Air Injection Pump (215-603)
    0
    # mpn914888876
    Genuine GM Parts™ 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...
    Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
    $128.49
  • ACDelco® - Genuine GM Parts™ Secondary Air Injection Pump
    ACDelco®Genuine GM Parts™ Secondary Air Injection Pump (215-454)
    0
    # mpn914888854
    Genuine GM Parts™ 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...
    Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
    $221.60
  • ACDelco® - Genuine GM Parts™ Secondary Air Injection Pump
    ACDelco®Genuine GM Parts™ Secondary Air Injection Pump (215-426)
    0
    # mpn914888845
    Genuine GM Parts™ 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...
    Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
    $171.19
  • ACDelco® - Genuine GM Parts™ Secondary Air Injection Pump
    ACDelco®Genuine GM Parts™ Secondary Air Injection Pump (215-425)
    0
    # mpn914888844
    Genuine GM Parts™ Secondary Air Injection Pump (215-425) 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
    $156.57
  • ACDelco® - Genuine GM Parts™ Secondary Air Injection Pump
    ACDelco®Genuine GM Parts™ Secondary Air Injection Pump (215-364)
    0
    # mpn914888814
    Genuine GM Parts™ 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...
    Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
    $122.61
  • ACDelco® - Genuine GM Parts™ Secondary Air Injection Pump
    ACDelco®Genuine GM Parts™ Secondary Air Injection Pump (215-414)
    0
    # mpn914888812
    Genuine GM Parts™ Secondary Air Injection Pump (215-414) 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
    $161.56
  • ACDelco® - Genuine GM Parts™ Secondary Air Injection Pump
    ACDelco®Genuine GM Parts™ Secondary Air Injection Pump (19260940)
    0
    # mpn914876922
    Genuine GM Parts™ Secondary Air Injection Pump (19260940) 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
    $258.72
  • ACDelco® - Genuine GM Parts™ Secondary Air Injection Pump Kit
    ACDelco®Genuine GM Parts™ Secondary Air Injection Pump Kit (215-704)
    0
    # mpn4479933712
    Genuine GM Parts™ Secondary Air Injection Pump Kit (215-704) 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
    $173.19
  • ACDelco® - Genuine GM Parts™ Secondary Air Injection Pump Kit
    ACDelco®Genuine GM Parts™ Secondary Air Injection Pump Kit (219-505)
    0
    # mpn914890782
    Genuine GM Parts™ Secondary Air Injection Pump Kit (219-505) 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
    $270.53
  • ACDelco® - Genuine GM Parts™ Secondary Air Injection Pump with Bracket
    ACDelco®Genuine GM Parts™ Secondary Air Injection Pump with Bracket (215-616)
    0
    # mpn914888891
    Genuine GM Parts™ Secondary Air Injection Pump with Bracket (215-616) by ACDelco®. Designed utilizing the latest technology, this product by ACDelco features premium quality and will perform better than advertised. Perfect for your...
    Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
    $242.13
  • Bosch® - Secondary Air Injection Pump
    Bosch®Secondary Air Injection Pump (0580000017)
    0
    # mpn4901340325
    Secondary Air Injection Pump (0580000017) 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...
    100% new, not rebuiltOE design to ensure exact fit, form and function
    $369.01
  • Bosch® - Secondary Air Injection Pump
    Bosch®Secondary Air Injection Pump (0580000040)
    0
    # mpn4478342516
    Secondary Air Injection Pump (0580000040) 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...
    100% new, not rebuiltOE design to ensure exact fit, form and function
    $184.00
  • Bosch® - Secondary Air Injection Pump
    Bosch®Secondary Air Injection Pump (0580000010)
    0
    # mpn4478342430
    Secondary Air Injection Pump (0580000010) 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...
    100% new, not rebuiltOE design to ensure exact fit, form and function
    $316.83
  • Bosch® - Secondary Air Injection Pump
    Bosch®Secondary Air Injection Pump (0580000025)
    0
    # mpn4478342156
    Secondary Air Injection Pump (0580000025) 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...
    100% new, not rebuiltOE design to ensure exact fit, form and function
    $184.46
  • Cardone Reman® - Secondary Air Injection Pump
    Cardone Reman®Secondary Air Injection Pump (33-2004M)
    0
    # mpn193861852
    Secondary Air Injection Pump by Cardone Reman®. Import. Cardone Remanufactured Smog Pumps are engineered for quick installation and no comebacks. These pumps come with all necessary components for easy installation, while other brands...
    100% testing of all units guarantees reliable performance every timeHigh temperature grease extends bearing life, resulting in longer pump life
    $405.10
  • Cardone Reman® - Secondary Air Injection Pump
    Cardone Reman®Secondary Air Injection Pump (33-710)
    0
    # mpn14526
    Secondary Air Injection Pump by Cardone Reman®. Import. Cardone Remanufactured Smog Pumps are engineered for quick installation and no comebacks. These pumps come with all necessary components for easy installation, while other brands...
    100% testing of all units guarantees reliable performance every timeHigh temperature grease extends bearing life, resulting in longer pump life
    $143.00
  • Cardone Reman® - Secondary Air Injection Pump
    Cardone Reman®Secondary Air Injection Pump (33-2504M)
    0
    # mpn14520
    Secondary Air Injection Pump by Cardone Reman®. Import. Cardone Remanufactured Smog Pumps are engineered for quick installation and no comebacks. These pumps come with all necessary components for easy installation, while other brands...
    100% testing of all units guarantees reliable performance every timeHigh temperature grease extends bearing life, resulting in longer pump life
    $182.24
  • Cardone Reman® - Secondary Air Injection Pump
    Cardone Reman®Secondary Air Injection Pump (32-3510M)
    0
    # mpn14514
    Secondary Air Injection Pump by Cardone Reman®. Domestic. Cardone Remanufactured Smog Pumps are engineered for quick installation and no comebacks. These pumps come with all necessary components for easy installation, while other brands...
    100% testing of all units guarantees reliable performance every timeHigh temperature grease extends bearing life, resulting in longer pump life
    $150.87
  • Cardone Reman® - Secondary Air Injection Pump
    Cardone Reman®Secondary Air Injection Pump (32-3502M)
    0
    # mpn14511
    Secondary Air Injection Pump by Cardone Reman®. Domestic. Cardone Remanufactured Smog Pumps are engineered for quick installation and no comebacks. These pumps come with all necessary components for easy installation, while other brands...
    100% testing of all units guarantees reliable performance every timeHigh temperature grease extends bearing life, resulting in longer pump life
    $124.25
  • Cardone Reman® - Secondary Air Injection Pump
    Cardone Reman®Secondary Air Injection Pump (32-3500M)
    0
    # mpn14510
    Secondary Air Injection Pump by Cardone Reman®. Domestic. Cardone Remanufactured Smog Pumps are engineered for quick installation and no comebacks. These pumps come with all necessary components for easy installation, while other brands...
    100% testing of all units guarantees reliable performance every timeHigh temperature grease extends bearing life, resulting in longer pump life
    $113.85
  • Cardone Reman® - Secondary Air Injection Pump
    Cardone Reman®Secondary Air Injection Pump (32-2205M)
    0
    # mpn14505
    Secondary Air Injection Pump by Cardone Reman®. Domestic. Cardone Remanufactured Smog Pumps are engineered for quick installation and no comebacks. These pumps come with all necessary components for easy installation, while other brands...
    100% testing of all units guarantees reliable performance every timeHigh temperature grease extends bearing life, resulting in longer pump life
    $328.97
  • Cardone Reman® - Secondary Air Injection Pump
    Cardone Reman®Secondary Air Injection Pump (32-132)
    0
    # mpn14504
    Secondary Air Injection Pump by Cardone Reman®. Domestic. Cardone Remanufactured Smog Pumps are engineered for quick installation and no comebacks. These pumps come with all necessary components for easy installation, while other brands...
    100% testing of all units guarantees reliable performance every timeHigh temperature grease extends bearing life, resulting in longer pump life
    $181.85
  • Cardone Reman® - Secondary Air Injection Pump
    Cardone Reman®Secondary Air Injection Pump (33-733)
    0
    # mpn12733
    Secondary Air Injection Pump (33-733) by Cardone Reman®. Import. Cardone Remanufactured Smog Pumps are engineered for quick installation and no comebacks. These pumps come with all necessary components for easy installation, while other...
    100% testing of all units guarantees reliable performance every timeHigh temperature grease extends bearing life, resulting in longer pump life
    $153.13
  • Cardone Reman® - Secondary Air Injection Pump
    Cardone Reman®Secondary Air Injection Pump (32-3400M)
    0
    # mpn12708
    Secondary Air Injection Pump (32-3400M) by Cardone Reman®. Domestic. Cardone Remanufactured Smog Pumps are engineered for quick installation and no comebacks. These pumps come with all necessary components for easy installation, while...
    100% testing of all units guarantees reliable performance every timeHigh temperature grease extends bearing life, resulting in longer pump life
    $107.37




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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Posted by Leonard (Roseville, MI) / May 05, 20242006 GMC Envoy
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