1987 Cadillac Seville Emission Control

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  • Oxygen Sensors
  • PCV & Breathers
  • Vapor Canisters
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  • Air Injection Pumps
  • Catalytic Converters
    • (0 reviews)
      # 73544196
      Cadillac Seville 1987, GM Original Equipment™ Oxygen Sensor by ACDelco®. Position: Upstream. Location: In Exhaust Manifold/Crossover. If your O2 sensor is not functioning properly, you are robbing yourself of performance and costing...
      ACDelco GM OE Oxygen Sensors earn the name ACDelco by being put through a variety of tests, often under extreme and unusual conditionsDetects oxygen content in the exhaust gases
      $13.53 - $50.02
    • (0 reviews)
      # mpn472987
      Cadillac Seville 1987, Oxygen Sensor by Denso®. Position: Upstream. 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...
      Corrosion-resistant stainless steel constructionPTFE filter blocks efficiency-robbing contaminants
      $10.67
    • (0 reviews)
      # mpn914883860
      Cadillac Seville 1987, Professional™ Oxygen Sensor by ACDelco®. Position: Upstream. 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...
      ACDelco Professional Oxygen Sensors earn the name ACDelco by being put through a variety of tests, often under extreme and unusual conditionsCustomers can receive better gas mileage with a properly working oxygen sensor
      $17.11
    • (0 reviews)
      # 44899542
      Cadillac Seville 1987, Oxygen Sensor by Standard®. Position: Upstream. SMP’s vision is to be the leading independent supplier to the automotive aftermarket, providing the highest quality products, competitive prices and the highest...
      One-piece laser welded body for maximum protection and precise operation maintaining sensor integrityDual internal talc seal makes your oxygen sensors last longer
      $14.65 - $21.09
    • (0 reviews)
      # mpn914877406
      Cadillac Seville 1987, GM Original Equipment™ PCV Valve by ACDelco®. Straight Fitting High Flow 5.2 Cfm. Designed utilizing the latest technology, this product by ACDelco features premium quality and will perform better than...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $3.62
    • (0 reviews)
      # 44899518
      Cadillac Seville 1987, 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...
      Polyester-reinforced silicone diaphragm resists thermal aging in temperatures up to 200°CInjection-molded high-temperature polymer prevents temperature-releated failures
      $73.03 - $78.86
    • (0 reviews)
      # mpn2230303
      Cadillac Seville 1987, Oxygen Sensor by NTK®. Position: Upstream. Thimble type sensors feature a ceramic element that projects into the exhaust system and becomes electrically conductive at high temperature. The sensor element then...
      Increases vehicle fuel economy and engine performance while decreasing vehicle exhaust emissionsDirect replacement
      $11.68
    • (0 reviews)
      # mpn3368382234
      Cadillac Seville 1987, Oxygen Sensor by Spectra Premium®. Position: Upstream. To ensure your vehicle has optimal performance and fuel economy while producing minimal emissions replace a defective O2 sensor with one backed by the...
      Increase vehicle fuel economy and engine performance while decreasing vehicle exhaust emissions100% performance tested to meet vehicle requirements
      $9.50
    • (0 reviews)
      # mpn14517
      Cadillac Seville 1987, 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....
      100% testing of all units guarantees reliable performance every time.High temperature grease extends bearing life, resulting in longer pump life.
      $88.72
    • (0 reviews)
      # mpn472986
      Cadillac Seville 1987, Universal Fit Oxygen Sensor by Denso®. Position: Upstream. 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...
      Corrosion-resistant stainless steel constructionPTFE filter blocks efficiency-robbing contaminants
      $11.15
    • (0 reviews)
      # mpn913459
      Cadillac Seville 1987, Premium Oxygen Sensor by Bosch®. Position: Upstream. A worn-out oxygen sensor can cause engine performance problems and shorten the life of the catalytic converter. Tune-up your vehicle with an Oxygen Sensor from...
      OE Identical ConnectorCompact Design
      $12.82
    • (0 reviews)
      # mpn937504
      Cadillac Seville 1987, Universal Fit Oxygen Sensor by Bosch®. Position: Upstream. Universal Oxygen Sensors with OE SmartLink™ are quick and easy to install. Each sensor has enough length of sensor wire to allow maximum replacement of...
      Patented SmartLink™ connector systemNo special tools required for installation
      $13.87
    • (0 reviews)
      # mpn2468594
      Cadillac Seville 1987, Oxygen Sensor by Delphi®. Position: Upstream. 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...
      OE connectors and wire lengths within 3" of OE specificationsResists high temperatures, vibration damage and wire corrosion to protect signal accuracy, and long life
      $12.60
    • (0 reviews)
      # mpn44330728
      Cadillac Seville 1987, PCV Valve by Standard®. No Connector. 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
      $3.04
    • (0 reviews)
      # mpn1776684
      Cadillac Seville 1987, 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....
      Essential component of the PCV systemRegulates flow of crankcase vapors into the engine
      $2.26
    • (0 reviews)
      # mpn4495938907
      Cadillac Seville 1987, PCV Valve by Original Engine Management®. Manufactured from only the highest-grade materials, Original Engine Management PCV valves are strictly engineered to meet the manufacturer's specification in terms of...
      $2.04
    • (0 reviews)
      # mpn2888398740
      Cadillac Seville 1987, CalCat™ Catalytic Converter by Walker®. Emissions: CARB compliant. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Standard Oval. With 1 Inlet. With Air Tube. Without O2 Sensor Port....
      Constructed to meet your vehicle’s specific emissions requirementsFeatures stainless steel body with aluminized steel pipe and heat shields
      $110.19
    • (0 reviews)
      # mpn1833607
      Cadillac Seville 1987, Ultra™ Catalytic Converter by Walker®. Emissions: EPA compliant. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Large Oval. With 1 Inlet. With Air Tube. Without O2 Sensor Port. Catalytic...
      Constructed to meet your vehicle’s specific emissions requirementsFeatures stainless steel body with aluminized steel pipe and heat shields
      $72.63
    • (0 reviews)
      # mpn1237853
      Cadillac Seville 1987, Standard Catalytic Converter by Eastern®. Emissions: EPA compliant. Converter Configuration: Universal Fit. Position: Undercar. Catalytic Converter Body Shape: Oval. With 1 Air Tube. Without O2 Sensor Ports....
      Converts harmful engine emissions to less dangerous gases and water vaporAdvanced design for maximum engine output
      $39.19
    • (0 reviews)
      # mpn474118482
      Cadillac Seville 1987, Catalytic Converter by AP Exhaust®. Emissions: EPA compliant. Converter Configuration: Direct Fit. Without Air Tube. Without O2 Sensor Port. Catalytic Converter Overall Length: 24". The growing concern for the...
      5-year/50,000-mile warranty on converter body25,000-mile warranty on emissions
      $95.81
    • (0 reviews)
      # mpn474117261
      Cadillac Seville 1987, Standard Duty Catalytic Converter by AP Exhaust®. Emissions: EPA compliant. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Oval. With Single Air Tube. Without O2 Sensor Port. Catalytic...
      A multitude of Universal converter bodies provided for maximum coverageProvides professional installer with immediate installation options
      $53.76
    • (0 reviews)
      # mpn4478194294
      Cadillac Seville 1987, Catalytic Converter by Davico®. Emissions: EPA compliant. Converter Configuration: Direct Fit. Position: Center. Catalytic Converter Overall Length: 24.25". Gaskets Not Required. This direct-fit catalytic...
      Helps your vehicle emit harmless gasesDirect OEM replacement
      $90.47
    • (0 reviews)
      # mpn1085288
      Cadillac Seville with PRE-OBDII Models 1987, Pre-OBDII Catalytic Converter by MagnaFlow®. Emissions: CARB compliant. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Oval. With Dual Air Tube. Without O2 Sensor...
      $188.56
    • (0 reviews)
      # mpn1058910
      Cadillac Seville 1987, Standard Catalytic Converter by MagnaFlow®. Emissions: EPA compliant. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Oval. With Air Tube. Without O2 Sensor Port. Catalytic Inlet Diameter:...
      $80.81
    • (0 reviews)
      # mpn631850492
      Cadillac Seville 1987, Engine Crankcase Breather Element 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...
      OE quality parts from top original equipment and aftermarket manufacturersThe finest quality at a great price
      $3.81
    • (0 reviews)
      # mpn771238500
      Cadillac Seville 1987, Professional™ PCV Breather Element by ACDelco®. With Seal. 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
      $2.00
    • (0 reviews)
      # mpn615953307
      Cadillac Seville Canada Built 1987, PCV Breather Cap by WIX®. Wix Breather Filters remove chemical contaminants and particulate matter from the crankcase. They are made of pleated paper and connected to the breather tube. These filters...
      Low air flow restrictionIncludes a pleated paper filter
      $3.74
    • (0 reviews)
      # mpn2408973227
      Cadillac Seville 1987, Vapor Canister Filter 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
      $1.54
    • (0 reviews)
      # mpn44297867
      Cadillac Seville 1987, Secondary Air Injection Pump Check Valve by Standard®. Check Valve. SMP’s vision is to be the leading independent supplier to the automotive aftermarket, providing the highest quality products, competitive...
      OE quality parts from top original equipment and aftermarket manufacturersThe finest quality at a great price
      $11.40
    • (0 reviews)
      # mpn1373518
      Cadillac Seville 1987, Tru-Tech™ Secondary Air Injection Pump Check Valve by Standard®. Standard T-Series is a competitively priced line containing some of the most popular part numbers to help you meet your market needs. The Standard...
      OE quality parts from top original equipment and aftermarket manufacturersThe finest quality at a great price
      $9.06
    • (0 reviews)
      # mpn4476046381
      Cadillac Seville 1987, Professional™ Secondary Air Injection Pump Check Valve by ACDelco®. Hose Nipple One End. Designed utilizing the latest technology, this product by ACDelco features premium quality and will perform better than...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $15.15
    • (0 reviews)
      # mpn2408978044
      Cadillac Seville 1987, PCV Valve Elbow by Standard®. Hose Tee. 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 manufacturersHigh grade materials ensure precision performance
      $2.60
    • (1 review)
      # mpn2389512
      Cadillac Seville 1987, Check Valve by Dorman®. Location: To Converter. The Emission System Check Valve is a device that prevents exhaust from forcing its way back through the air injection system, which would damage the pump and other...
      Direct replacement for a proper fit every timeHelps restore emissions system to proper operation
      $11.53
    • (0 reviews)
      # mpn4047044326
      Cadillac Seville 1987, Oxygen Sensor Connector 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
      $20.32
    • (0 reviews)
      # mpn915020054
      Cadillac Seville 1987, Professional™ Oxygen Sensor Connector 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...
      ACDelco Professional Oxygen Sensors earn the name ACDelco by being put through a variety of tests, often under extreme and unusual conditionsCustomers can receive better gas mileage with a properly working oxygen sensor
      $7.08
    • (0 reviews)
      # mpn44417170
      Cadillac Seville 1987, PCV Valve Grommet by Standard®. Dual Hose. SMP’s vision is to be the leading independent supplier to the automotive aftermarket, providing the highest quality products, competitive prices and the highest...
      OE quality parts from top original equipment and aftermarket manufacturersThe finest quality at a great price
      $2.47
    • (0 reviews)
      # 31548326
      Cadillac Seville 1987, PCV Valve Grommet by Dorman®. Provide an airtight seal for the PCV valve with Dorman’s resilient PCV Grommet. Made from oil-resistant rubber, the grommet is durable against severe heat and fluctuating under hood...
      Leak-resistant for maximum performanceCrack-resistant for long-lasting use
      $1.76 - $3.22
    • (0 reviews)
      # mpn914970689
      Cadillac Seville 1987, Professional™ PCV Valve Grommet 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
      $3.59
    • (0 reviews)
      # mpn44307714
      Cadillac Seville 1987, EGR Valve Gasket 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
      $0.90
    • (0 reviews)
      # mpn4479933443
      Cadillac Seville 1987, GM Original Equipment™ EGR Valve Gasket by ACDelco®. Designed utilizing the latest technology, this product by ACDelco features premium quality and will perform better than advertised. Perfect for your vehicle...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $2.02
    • (0 reviews)
      # 689688289
      Cadillac Seville 1987, Professional™ EGR Time Delay Switch Connector 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
      $6.06 - $12.38
    • (0 reviews)
      # mpn4410401841
      Cadillac Seville 1987, Professional™ EGR Valve Gasket 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
      $1.67
    • (0 reviews)
      # mpn542958
      Cadillac Seville 1987, EGR Valve Gasket by Victor Reinz®. 2 Bolt In-Line Pattern. Location: Valve To Adapter. Is your CHECK ENGINE light on? Has your vehicle failed a state emissions test? Your vehicle's emissions control system is in...
      High quality at an affordable priceExpertly made from premium materials
      $1.42
    • (0 reviews)
      # mpn1190243
      Cadillac Seville 1987, EGR Valve Gasket by Fel-Pro®. Integral Head. If you need durable gaskets to prevent leaks on your vehicle, Fel-Pro is the way to go. Engineered using the latest technologies and global engineering resources, the...
      Direct OEM replacement for a proper fitEnsures reliable sealing performance
      $1.64
    • (0 reviews)
      # mpn4516842174
      Cadillac Seville 1987, Pre-OBDII Catalytic Converter by Flowmaster®. Emissions: CARB compliant. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Round. With Air Tube. Catalytic Inlet Diameter: 2.25". Catalytic...
      $224.97
    • (0 reviews)
      # mpn44356673
      Cadillac Seville 1987, 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...
      Featuring industrial grade materials for robust performanceEnd of the line testing ensures quality in every box
      $148.98
    • (0 reviews)
      # mpn4521847210
      Cadillac Seville 1987, Oxygen Sensor by Aceon®. Position: Upstream. Connector: GM type. Wire quantity: 1 piece. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced...
      Designed to provide long-lasting service lifeMade utilizing state-of-the-art equipment
      $9.81
    • (0 reviews)
      # mpn1280982822
      Cadillac Seville 1987, PCV Valve by Luber-finer®. PCV valves are designed to precisely return crankcase combustion gases to the air intake system. Overextending the part’s service promotes sludge formation, which clogs the engine's...
      Return crankcase combustion gases to the air intake systemDesigned to deliver optimum performance
      $6.16
    • (0 reviews)
      # mpn1270080
      Cadillac Seville with PC-1 Pre OBDII Weight Class 1987, ECO CARB Catalytic Converter by Eastern®. Emissions: CARB compliant. Converter Configuration: Universal Fit. Position: Center. Catalytic Converter Body Shape: Round. With 2 Air...
      Converts harmful engine emissions to less dangerous gases and water vaporAdvanced design for maximum engine output
      $162.92
    • (0 reviews)
      # mpn1254345
      Cadillac Seville 1987, Standard Catalytic Converter by Eastern®. Emissions: EPA compliant. Converter Configuration: Direct Fit. Location: Undercar. Without O2 Sensor Ports. Catalytic Outlet Diameter: 2.25". Catalytic Converter Overall...
      Direct OEM replacementConverts harmful engine emissions to less dangerous gases and water vapor
      $82.25
    • (0 reviews)
      # mpn1280978874
      Cadillac Seville 1987, PCV Breather Element by Luber-finer®. Luber-finer air filters are constructed with specially blended filter media for optimal dirt-holding capacity, filtering efficiency and maximum protection for your engine from...
      High quality at an affordable priceExpertly made from premium materials
      $2.97
    • (0 reviews)
      # 939574591
      Cadillac Seville 1987, Secondary Air Injection Pump Pulley by Dorman®. Standard Replacement. Keep your vehicle’s emission control system in top-notch condition with superior Dorman replacement emission control parts. Manufactured from...
      Manufactured from premium grade materialsBuilt to provide exceptional OE quality and function
      $8.39


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      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...
      by Michael Grayen
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      Auto Parts: Dealer vs. Aftermarket
      The question of whether to buy parts from an automotive dealer vs. ones from aftermarket manufacturers is as age-old as the automobile itself. Below, we'll take a look...
      by Timothy Zahl

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