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The Jeep is a division of Chrysler Group LLC established in 1941. The model range of the Jeep nowadays includes off-road and sport utility vehicles, but in the past, Jeep also used to manufacture pickup trucks. The emission control system is responsible for minimizing Hydrocarbons and Carbon Monoxide emissions. Unfortunately, nothing lasts forever, and this crucial system is no exception. No matter how good it was designed to be, after a long term of dependable service it becomes less effective. If you want to restore the system, you need a reliable source for repair parts.

Here you can find a great array of Jeep emission control parts. We offer everything you may need to make your vehicle environment-friendly: oxygen sensors, EGR (Exhaust Gas Recirculation) valve gaskets, O2 modules, PCV valves and many more. All parts are reasonably priced and dependable at the same time as we cooperate with prominent manufacturers such as Denso, Bosch, NTK, Accel, Dorman and others. Our website features an easy-to-use searching system, which will help you to find the right part in just a few moments.

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    • (1 review)
      # sp27974
      Oxygen Sensor 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
      $11.36 - $194.89
    • (3 reviews)
      # sp94914
      Air Fuel Ratio Sensor by Denso®. Make sure your engine runs efficiently and produces fewer emissions by replacing your malfunctioning fuel-ratio sensors with these top-notch products designed by Denso. Engineered with the use of...
      Designed to help reduce fuel consumption and harmful emissionsMade with the use of state-of-the-art sensor technologies
      $35.42 - $393.18
    • (11 reviews)
      # sp99082
      OE Connector Oxygen Sensor by Denso®. Denso's light duty oxygen sensor started to appear on vehicles with the development of fuel injection systems. The basic job of the sensor is to monitor the air fuel mixture under idle,...
      Designed to help reduce fuel consumption and harmful emissionsMade with the use of state-of-the-art sensor technologies
      $10.87 - $512.39
    • (0 reviews)
      # mpn937504
      Universal Fit Oxygen Sensor by Bosch®. Position: Upstream. Properly functioning oxygen sensors are important when it comes to your vehicle's fuel efficiency and reducing harmful exhaust emissions. That's why checking for, and...
      Up to 15 % savings in fuel costsReduced CO2 emissions
      $12.86
    • (1 review)
      # sp99083
      Oxygen Sensor by Bosch®. The Bosch oxygen sensor utilizes a mix of zirconium and yttrium oxides and other elements to form a tough base that withstands the intense stress to which oxygen sensors are subjected. Each element is...
      OE-EquivalentOE Style connectors and wire lengths
      $8.57 - $123.65
    • (1 review)
      # sp92988
      Wideband Oxygen Sensor by Bosch®. This sensor utilizes a sophisticated sensing element enabling it to produce a precise output in proportion to the air/fuel ratio. The A/F sensor measures exhaust gas oxygen accurately from as rich...
      Detects the exact amount of unburned fuel in the exhaust streamOE connectors and OE-style harness for continuous wire from connector to sensor
      $42.30 - $304.36
    • (0 reviews)
      # sp27211
      Professional™ Oxygen Sensor by ACDelco®. If your O2 Sensor is not functioning properly, you are robbing yourself of performance and costing yourself money at the gas pump. Let ACDelco’s Professional Oxygen Sensors help. You can...
      ACDelco Professional Oxygen Sensors earn the name ACDelco by being put through a variety of tests, often under extreme and unusual conditions.Customers can receive better gas mileage with a properly working oxygen sensor.
      $17.56 - $210.26
    • (12 reviews)
      # sp5156
      Replacement Oxygen Sensor by NTK®. This product is designed to improve engine efficiency and fuel mileage, while reducing emissions and extending catalyst life. The oxygen sensor is made of premium quality material and extensively...
      Increases vehicle fuel economy and engine performance while decreasing vehicle exhaust emissionsDirect replacement
      $12.00 - $238.26
    • (0 reviews)
      # sp5756
      Oxygen Sensor by Delphi®. As one of the leading suppliers of oxygen sensor technology since 1978, Delphi planar technology is the result of their OE and aftermarket engineers partnering together to develop the most innovative...
      OE connectors and wire lengths within three inches of OE specificationsResists high temperatures, vibration damage and wire corrosion to protect signal accuracy, and long life
      $12.24 - $201.38
    • (3 reviews)
      # sp99297
      Oxygen Sensor by Spectra Premium®. To ensure your vehicle has optimal performance and fuel economy while producing minimal emissions replace a defective O2 sensor with one backed by the aftermarket’s most rigorous testing...
      Increase vehicle fuel economy and engine performance while decreasing vehicle exhaust emissions100% performance tested to meet vehicle requirements
      $7.93 - $272.39
    • (0 reviews)
      # sp26976
      Oxygen Sensor by Walker®. With their extensive selection of accessories and hardware for the exhaust system, Walker will provide you with everything needed to do the complete exhaust job. When you choose Walker accessories, you get...
      Makes installation quick and easyOptimal OE-style fit and quality
      $25.45 - $202.29
    • (0 reviews)
      # sp1463
      Oxygen Sensor by Omix-ADA®. Has your Jeep failed an emission inspection? Do you have a Check Engine light on? Over time oxygen sensors will go bad. They are usually easy to replace and will keep you on the road legally. Get these...
      Meets or exceeds OEM quality standardsOEM quality at an affordable price
      $45.03 - $135.25
    • (0 reviews)
      # sp13449
      Oxygen Sensor by Crown®. Crown Automotive is just the ticket if you want to get the most out of your vehicle as well as revel in a more exciting driving experience. You will surely get a real bang for the buck!
      Developed to improve your driving experienceConstructed to ensure ultimate operation
      $34.05 - $102.17
    • (2 reviews)
      # sp13483
      Intermotor™ PCV Valve 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...
      OE quality parts from top original equipment and aftermarket manufacturersThe finest quality at a great price
      $1.38 - $141.56
    • (1 review)
      # sp27977
      PCV Valve 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 of...
      OE quality parts from top original equipment and aftermarket manufacturersThe finest quality at a great price
      $1.17 - $111.83
    • (0 reviews)
      # mpn914877663
      Professional™ PCV Valve 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...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $3.78
    • (0 reviews)
      # mpn1453211683
      Large Body Oil Catch Can by Moroso®. 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...
      Plumbed into a vehicle's PCV system to capture the excess crankcase vapors, residual oil mist and moisture from reentering the intake tractVehicles from the factory vent these excess crankcase vapors, residual oil mist and moisture right back into the intake manifold which could cause detonation, oil deposits to form in the intake tract including the valves themselves and from lowering the ficiency of the intercooler in intercooler equipped vehicles
      $158.90
    • (0 reviews)
      # sp96453
      PCV Valve by Mopar®. 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 parts...
      OE quality parts from top original equipment and aftermarket manufacturersThe finest quality at a great price
      $3.94 - $51.95
    • (0 reviews)
      # sp7787
      Catch Can by DiabloSport®. Eliminate all of that oil being transferred into your intake manifold through the factory PCV system decreasing the horsepower, torque, performance and life span of your vehicle. The DiabloSport Catch Can...
      Custom Machine Etched with DiabloSport LogoPrevents Detonation
      $152.95 - $180.60
    • (0 reviews)
      # sp43353
      PCV Valve by Omix-ADA®. The engine is the heart of your Jeep, but with many years and miles it may not be beating as strong as it once did. If you're hearing strange noises from under the hood, power is not what it used to be, or...
      Performs according to OEM specificationsMeets or exceeds OEM quality standards
      $3.14 - $50.94
    • (0 reviews)
      # sp4446
      PCV Valve by FRAM®. The Positive Crankcase Ventilation (PCV) system prevents the release of harmful emissions, helps keep engine oil clean and prevents excessive crankcase pressure, which can cause oil leaks. Maintain peak PCV...
      Essential component of the PCV systemRegulates flow of crankcase vapors into the engine
      $1.70 - $8.60
    • (0 reviews)
      # sp24845
      PCV Valve by Crown®. Crown Automotive is just the ticket if you want to get the most out of your vehicle as well as revel in a more exciting driving experience. You will surely get a real bang for the buck!
      Developed to improve your driving experienceConstructed to ensure ultimate operation
      $1.60 - $9.84
    • (0 reviews)
      # mpn2952374
      PCV Valve by Forecast®. 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 quality at an...
      High quality at an affordable priceExpertly made from premium materials
      $6.40
    • (0 reviews)
      # mpn2952375
      PCV Valve by Forecast®. 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 quality at an...
      High quality at an affordable priceExpertly made from premium materials
      $7.82
    • (0 reviews)
      # mpn1363880
      Breather by Hastings®. The crankcase ventilation system channels harmful crankcase vapors to the air intake so they can be burned along with the air/fuel mixture. The Crankcase Breather Filter filters the air that is drawn through...
      Properly filters air drawn through the crankcase ventilation systemPrevents dirt and abrasives from damaging the engine
      $1.45
    • (1 review)
      # sp13479
      Vapor Canister 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...
      OE quality parts from top original equipment and aftermarket manufacturersThe finest quality at a great price
      $12.66 - $391.18
    • (0 reviews)
      # mpn1741955829
      Intermotor™ Vapor Canister by Standard®. Use 1 per car. 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
      $70.45
    • (0 reviews)
      # mpn1741955828
      Intermotor™ Vapor Canister by Standard®. Use 1 per car. 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
      $127.88
    • (0 reviews)
      # mpn1291770230
      Vapor Canister by Dorman®. Use 1 per car. Includes: Evap Canister. Dorman’s Vapor Canister Purge Valve restores on-board diagnosis of the EVAP system. Plus, its high quality metal and plastic construction keeps the system working...
      Designed for enduring resistance to harsh road and weather conditionsDirect replacement for a proper fit every time
      $92.44
    • (0 reviews)
      # mpn1291770229
      Vapor Canister by Dorman®. Use 1 per car. Includes: Part. Dorman’s Vapor Canister Purge Valve restores on-board diagnosis of the EVAP system. Plus, its high quality metal and plastic construction keeps the system working...
      Designed for enduring resistance to harsh road and weather conditionsDirect replacement for a proper fit every time
      $96.96
    • (0 reviews)
      # sp22692
      Vapor Canister by Mopar®. Designed utilizing the latest technology, this product by Mopar features premium quality and will perform better than advertised. Perfect for your vehicle and lifestyle, it is manufactured to meet or...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $122.35 - $159.14
    • (1 review)
      # sp27949
      EGR Valve 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 of...
      OE quality parts from top original equipment and aftermarket manufacturersThe finest quality at a great price
      $23.93 - $652.02
    • (1 review)
      # sp5456
      Tru-Tech™ EGR Valve by Standard®.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...
      OE quality parts from top original equipment and aftermarket manufacturersThe finest quality at a great price
      $30.91 - $106.89
    • (1 review)
      # sp13481
      Intermotor™ EGR Valve 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...
      OE quality parts from top original equipment and aftermarket manufacturersThe finest quality at a great price
      $21.44 - $872.48
    • (1 review)
      # sp94969
      EGR Valve by Dorman®. Keep your vehicle’s emission control system in top-notch condition with superior Dorman replacement emission control parts. Manufactured from top-grade materials using advanced technologies, these parts are...
      Manufactured from premium grade materialsBuilt to provide exceptional OE quality and function
      $32.55 - $557.95
    • (0 reviews)
      # sp27208
      Professional™ EGR Valve 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...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $41.76 - $199.61
    • (2 reviews)
      # sp96451
      EGR Valve by Mopar®. 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 parts...
      OE quality parts from top original equipment and aftermarket manufacturersThe finest quality at a great price
      $107.16 - $155.94
    • (0 reviews)
      # sp1368
      EGR Valve by Omix-ADA®. 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 quality at an...
      High quality at an affordable priceExpertly made from premium materials
      $81.88 - $175.39
    • (0 reviews)
      # sp16007
      EGR Valve by Crown®. Crown Automotive is just the ticket if you want to get the most out of your vehicle as well as revel in a more exciting driving experience. You will surely get a real bang for the buck!
      Developed to improve your driving experienceConstructed to ensure ultimate operation
      $96.24 - $100.68
    • (0 reviews)
      # mpn2458
      Secondary Air Injection Pump by Cardone®. Domestic. Includes: without Pulley. with Pipe, Gasket, Instruction Sheet. 100% testing of all units guarantees reliable performance every time. High temperature grease extends bearing life,...
      50-state emissions street legalThe finest quality at a great price
      $116.73
    • (0 reviews)
      # mpn2469
      Secondary Air Injection Pump by Cardone®. Domestic. Includes: without Pulley. with Instruction Sheet. 100% testing of all units guarantees reliable performance every time. High temperature grease extends bearing life, resulting in...
      50-state emissions street legalThe finest quality at a great price
      $118.39
    • (0 reviews)
      # mpn2465
      Secondary Air Injection Pump by Cardone®. Domestic. Includes: without Pulley. with Pipe, Gasket, Instruction Sheet. 100% testing of all units guarantees reliable performance every time. High temperature grease extends bearing life,...
      50-state emissions street legalThe finest quality at a great price
      $119.95
    • (4 reviews)
      # sp4304
      Universal Fit Catalytic Converter by Walker®. Walker offers complete coverage: direct-fit mufflers, converters, pipes, resonators and accessories. Walker is an OE supplier to many major nameplate vehicle manufacturers. Trust...
      EPA & CARB Emissions Products Available for Most VehiclesEmission, Structural Warranty: 5 Years / 50,000 Miles (80,000 Kilometers)
      $50.42 - $423.33
    • (1 review)
      # sp10059
      Ultra™ Universal Fit Catalytic Converter by Walker®. Walker offers complete coverage: direct-fit mufflers, converters, pipes, resonators and accessories. Walker is an OE supplier to many major nameplate vehicle manufacturers....
      EPA & CARB Emissions Products Available for Most Vehicles5 Year / 50,000 Miles Warranty on Structural Components
      $50.42 - $110.45
    • (19 reviews)
      # sp4303
      Direct Fit Catalytic Converter by Walker®. Walker offers complete coverage: direct-fit mufflers, converters, pipes, resonators and accessories. Walker is an OE supplier to many major nameplate vehicle manufacturers. Trust Walker,...
      Flange to flange, direct fit design bolts to existing exhaustEPA & CARB Emissions Products Available for Most Vehicles
      $70.99 - $849.62
    • (18 reviews)
      # sp10058
      Ultra™ Direct-Fit Catalytic Converter by Walker®. Walker offers complete coverage: direct-fit mufflers, converters, pipes, resonators and accessories. Walker is an OE supplier to many major nameplate vehicle manufacturers. Trust...
      5 Year / 50,000 Miles Warranty on Structural Components5 Year / 50,000 Miles Warranty on Exhaust Emission (CARB Models)
      $77.59 - $858.93
    • (0 reviews)
      # mpn1206804
      Standard Catalytic Converter by Eastern®. Emissions: EPA compliant. Converter Configuration: Universal Fit. Position: Undercar. Catalytic Converter Body Shape: Oval. Without O2 Sensor Ports. Catalytic Inlet Diameter: 2.3"....
      Universal fitConverts harmful engine emissions to less dangerous gases and water vapor
      $38.30
    • (0 reviews)
      # mpn1233528
      ECO II Catalytic Converter by Eastern®. Emissions: EPA compliant. Converter Configuration: Universal Fit. Position: Undercar. Catalytic Converter Body Shape: Round. Without O2 Sensor Ports. Catalytic Inlet Diameter: 2.3". Catalytic...
      Universal fitConverts harmful engine emissions to less dangerous gases and water vapor
      $57.53
    • (0 reviews)
      # sp4295
      Universal Fit Catalytic Converter by Eastern Catalytic®. Whether your catalytic converter is damaged by road debris or failed due to an engine problem, you definitely need a new one, and this product is the way to go. Made of...
      Universal fitConverts harmful engine emissions to less dangerous gases and water vapor
      $32.91 - $265.49
    • (0 reviews)
      # mpn1222579
      ECO II Catalytic Converter by Eastern®. Emissions: EPA compliant. Converter Configuration: Universal Fit. Position: Undercar. Catalytic Converter Body Shape: Oval. Without O2 Sensor Ports. Catalytic Inlet Diameter: 2.5". Catalytic...
      Universal fitConverts harmful engine emissions to less dangerous gases and water vapor
      $59.04
    • (0 reviews)
      # mpn1206806
      Standard Catalytic Converter by Eastern®. Emissions: EPA compliant. Converter Configuration: Universal Fit. Position: Undercar. Catalytic Converter Body Shape: Oval. With Air Tube. Without O2 Sensor Ports. Catalytic Inlet Diameter:...
      Universal fitConverts harmful engine emissions to less dangerous gases and water vapor
      $39.51
    • (14 reviews)
      # sp4294
      Direct Fit Catalytic Converter by Eastern Catalytic®. If you need to replace your failed or damaged catalytic converter, this product is the right choice. Designed specifically for your vehicle, this catalytic converter is a great...
      Direct OEM replacementConverts harmful engine emissions to less dangerous gases and water vapor
      $35.11 - $1,108.38
    • (0 reviews)
      # mpn1237861
      ECO II Catalytic Converter by Eastern®. Emissions: EPA compliant. Converter Configuration: Universal Fit. Position: Rear Undercar. Catalytic Converter Body Shape: Round. With 1 O2 Sensor Port. Catalytic Inlet Diameter: 2.3"....
      Universal fitConverts harmful engine emissions to less dangerous gases and water vapor
      $62.08
    • (0 reviews)
      # mpn1206805
      Standard Catalytic Converter by Eastern®. Emissions: EPA compliant. Converter Configuration: Universal Fit. Position: Undercar. Catalytic Converter Body Shape: Oval. Without O2 Sensor Ports. Catalytic Inlet Diameter: 2.5"....
      Universal fitConverts harmful engine emissions to less dangerous gases and water vapor
      $38.30
    • (0 reviews)
      # mpn1222593
      ECO II Catalytic Converter by Eastern®. Emissions: EPA compliant. Converter Configuration: Universal Fit. Position: Rear Undercar. Catalytic Converter Body Shape: Large Oval. Without O2 Sensor Ports. Catalytic Inlet Diameter: 2.5"....
      Universal fitConverts harmful engine emissions to less dangerous gases and water vapor
      $79.84
    • (0 reviews)
      # mpn1249701
      ECO II Catalytic Converter by Eastern®. Emissions: EPA compliant. Converter Configuration: Universal Fit. Position: Undercar. Catalytic Converter Body Shape: Oval. Without O2 Sensor Ports. Catalytic Inlet Diameter: 2.5". Catalytic...
      Universal fitConverts harmful engine emissions to less dangerous gases and water vapor
      $74.79
    • (0 reviews)
      # mpn1206807
      Standard Catalytic Converter by Eastern®. Emissions: EPA compliant. Converter Configuration: Universal Fit. Position: Undercar. Catalytic Converter Body Shape: Oval. With Air Tube. Without O2 Sensor Ports. Catalytic Inlet Diameter:...
      Universal fitConverts harmful engine emissions to less dangerous gases and water vapor
      $39.51
    • (0 reviews)
      # mpn1233518
      ECO II Stuffed Tube Catalytic Converter with EndCap by Eastern®. Emissions: EPA compliant. Converter Configuration: Universal Fit. Position: Front Undercar. Catalytic Converter Body Shape: Round. Without O2 Sensor Ports. Catalytic...
      Universal fitConverts harmful engine emissions to less dangerous gases and water vapor
      $59.66
    • (0 reviews)
      # mpn1247337
      Standard Catalytic Converter by Eastern®. Emissions: EPA compliant. Converter Configuration: Universal Fit. Position: Rear Undercar. Catalytic Converter Body Shape: Round. Without O2 Sensor Ports. Catalytic Inlet Diameter: 2.3"....
      Universal fitConverts harmful engine emissions to less dangerous gases and water vapor
      $46.09
    • (0 reviews)
      # mpn1222579
      ECO II Catalytic Converter by Eastern®. Emissions: EPA compliant. Converter Configuration: Universal Fit. Position: Rear Undercar. Catalytic Converter Body Shape: Oval. Without O2 Sensor Ports. Catalytic Inlet Diameter: 2.5"....
      Universal fitConverts harmful engine emissions to less dangerous gases and water vapor
      $59.04




    Guides & Articles

    • Replacement Emission Control Parts
      August 18, 2014
      Oxygen Sensors - Why Does My Car Have Four, And...
      An oxygen sensor (also known as an O2 sensor or Lambda sensor) is a sensor designed to generate a reading based on the content of oxygen in an automotive exhaust...

    Popular Products



    Jeep Emission Control Parts Reviews

    Average rating:  4.5  4.5 - 11 reviews
    5 of 5
    As Advertised
    No issues.
    RPosted by Raymond (Waterford, MI) / January 27, 2017
    2004 Jeep Grand Cherokee
    Was this review helpful for you? Yes
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