1981 Cadillac Seville Fuel and Emissions Systems

Essential 1981 Cadillac Seville Fuel and Emissions Systems

Delphi – Fuel Pump Module Assembly: With Float Arm, Seal, Splice Kit (Part No.FG0347)

Fuel Pump Module Assembly: With Float Arm, Seal, Splice Kit

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$346.99
100 years of OE experience, supplier to the world’s top automakers, OE Heritage and knowledge built into every aftermarket part, comprehensive portfolio for a wide range of vehicles and model years.

Product Features:
  • Delphi is a global OE manufacturer and all fuel pumps are built to Delphi’s OE standards
  • Empty float height and float retention matches OE specifications and guarantees correct gas gauge reading
  • Lower amperage draws less load on vehicle’s electrical system
  • Part is validated, tested and matched to the right vehicle application
  • Always be sure to check and clean fuel tank to avoid unnecessary returns
  • Lower failure rates due to its innovative design and durability
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Carquest Premium – Exhaust Gas Recirculation (EGR) Valve (Part No.EGC1134)

Exhaust Gas Recirculation (EGR) Valve

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$123.99
The EGR system is an emission control device designed to recirculate exhaust gas into the engines air intake system and back to the combustion chamber to control nitrogen oxides or NOx. The chemical NOx is created when oxygen and nitrogen are heated above 2,800-degree F. Exhaust gas, or gas that is displaced from the combustion chamber, contains little to no oxygen molecules. By recirculating this gas back into the combustion chamber fewer oxygen molecules are available for the combustion event which will therefore create a cooler combustion event. The EGR valve can be actuated by engine vacuum or electronically by the engine control module.

Product Features:
  • Product constructed to meet all design and operating characteristics as intended by the vehicle manufacturer.
  • Our EGR valves are designed to match the vehicle specific exhaust gas flow rate as designed by the engine manufacturer to provide clean tail pipe emissions.
  • Feedback EGR valves and pressure sensors contain a robust circuit board design which increases durability due to heat, shock, and random electro-magnetic pulses (EMP) and power spikes.
  • 100% thermo-shock and vibration tested to ensure superior performance in extreme conditions.
  • Where applicable stainless-steel sleeves used over cold rolled sleeves providing smooth EGR pintle operation under all operating conditions.
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Felpro – Exhaust Gas Recirculation (EGR) Valve Gasket (Part No.71098)

Exhaust Gas Recirculation (EGR) Valve Gasket

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$5.49
Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust

Product Features:
  • Meets or exceeds all original equipment specifications
  • Application specific design to ensure a perfect fit
  • Engineered for the sealing repair environment
  • Validated for fit, form and function
  • Unsurpassed quality you can trust
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Spectra Premium – Fuel Filler Neck (Part No.FN14)

Fuel Filler Neck

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$75.99
Innovative engineering, manufacturing technology and quality control ensure that Spectra Premium fuel tank filler necks meet or exceed the performance of the original equipment they replace.

Product Features:
  • Unit is designed to OE fit, form and function requirements accomplished by leveraging our OE fuel system design expertise
  • Unit is dual coated for enhanced corrosion protection
  • Fit tested on the very same vehicle application for which it was developed verifying first-hand that the design fits properly and can be easily installed
  • Unit is leak tested after production to ensure product in free from fuel and / or evaporative leaks
  • Tested with OE fuel cap to prevent evaporative emission and check engine light failure
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Carquest Premium – Fuel Tank Lock Ring (Part No.LO1582931)

Fuel Tank Lock Ring

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$16.99
Carquest Premium fuel pump tank seals are built by Carter Fuel Systems and Agility Auto Parts, industry leaders in high-quality fuel system components. Carquest Premium offers a complete line of fuel pump tank seals covering a wide variety of North American vehicle applications. Carquest Premium fuel pump tank seals are engineered to meet or exceed all OEM specifications.

Product Features:
  • Engineered to meet or exceed all OEM specifications.
  • Precision stamped and are treated with a rust proof finish to ensure durability and strength
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Felpro – Fuel Pump Mounting Gasket (Part No.6579)

Fuel Pump Mounting Gasket

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$2.99
Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust

Product Features:
  • Meets or exceeds all original equipment specifications
  • Application specific design to ensure a perfect fit
  • Engineered for the sealing repair environment
  • Unsurpassed quality you can trust
  • Validated for fit, form, and function
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Carquest Premium – Fuel Pump Strainer FS260352 (Part No.FS260352)

Fuel Pump Strainer FS260352

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$9.49
CARQUEST Premium electric fuel pumps are built to meet or exceed Original Equipment (OE) specifications for fit, form and function. Our CARQUEST Premium fuel pumps are built to be installed in the Original Equipment module or assembly. We have invested in industry-leading quality upgrades, like upgraded turbine impellers and 100% carbon commutators, to deliver greater reliability. CARQUEST Premium electric fuel pumps are engineered with superior quality components to provide the longest life and reliable performance.

Product Features:
  • Meets or exceeds OE specifications for fit, form and function
  • 100% carbon commutators provide resistance to aggressive fuels and double the life expectancy of the pump
  • OE upgraded turbine impellers greatly reduce fuel pulsation
  • All fuel pumps are 100% performance tested
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Spectra Premium – Fuel Tank Strap (Part No.ST300)

Fuel Tank Strap

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$72.99
Innovative engineering, manufacturing technology and quality control ensure that Spectra Premium fuel tank straps meet or exceed the performance of the original equipment they replace.

Product Features:
  • Unit is designed to OE fit, form and function requirements accomplished by leveraging our expertise
  • Direct fit ensures safe, secure fuel tank installation
  • Product individually packaged and labeled to help reduce product damage prior to installation
  • Industry leading coverage on straps for plastic tanks
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Dorman – Fuel Sending Unit Without Pump (Part No.692-102)

Fuel Sending Unit Without Pump

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$155.99
This fuel tank sending unit is designed to match the fit and function of the original unit on specified applications. Made of quality materials, it is engineered for reliable performance and durability.

Product Features:
  • Direct replacement – this fuel tank sending unit is designed to match the fit and function of the original unit on specified applications
  • Restores functionality – reliable replacement for an original part that has failed due to internal sensor failure
  • Durable construction – this part is made from quality materials to ensure reliable performance and long service life
  • Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience
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Dorman – Fuel Sending Unit Retainer Assortment (Part No.E3004425897DOR)

Fuel Sending Unit Retainer Assortment

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$16.16
Recommended for replacement whenever the sending unit is serviced, Dorman’s Fuel Tank Sending Unit Lock Ring securely retains the fuel pump assembly to the lock. Its heavy-duty steel or plastic construction ensures a long life.

Product Features:
  • Comes with rubber seal or gasket
  • Direct replacement for a proper fit every time
  • Corrosion-resistant
  • Quality-tested for trouble-free performance
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Delphi – Manifold Absolute Pressure Sensor (Part No.PS10075)

Manifold Absolute Pressure Sensor

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$65.99
Delphi MAP sensors use the latest OE technology; Internally protected against moisture intrusion and vibration; Manufactured to meet or exceed OE requirements for 100,000 miles.

Product Features:
  • Insulated with silicone gel over the integrated circuit chip to protect against shock and vibration for increased durability
  • Internally protected against moisture intrusion and vibration
  • Long lasting and durable
  • Designed and engineered with Delphi expertise
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Bosch – Bosch Oxygen Sensor (Part No.C5010126269BOS)

Bosch Oxygen Sensor

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$53.73
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 incredibly strong for best-in-class performance and maximum service life.

Product Features:
  • OE-Equivalent.
  • Direct fit for easy installation.
  • OE Style connectors and wire lengths.
  • Base ceramic probe of Zirconium and Yttrium.
  • Patented Platinum Power Grid.
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NTK – Switching Oxygen Sensor: 4 Wire, 16.5" Long, Heated, Direct Fit (Part No.21546)

Switching Oxygen Sensor: 4 Wire, 16.5" Long, Heated, Direct Fit

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$91.99
NTK is the world’s largest supplier and manufacturer of OEM oxygen sensors. Oxygen sensors play a critical role as part of the vehicle’s on-board diagnostic system in maintaining optimal engine performance, maximizing fuel efficiency and reducing harmful emissions. Providing constant closed loop feedback to the ECU, oxygen sensors help to control the air-fuel ratio while alerting OBDII systems of possible problems with fuel delivery or catalytic converter efficiency. A ceramics company at our core, NTK uses state-of-the art technology enabling control of the ceramic element used in our oxygen sensors from raw material to finished product. Trust The Sensor Specialist for full-line market support and OE application technology.

Product Features:
  • OEM QUALITY: NTK is the world’s largest supplier of original equipment oxygen sensors with renowned quality that meets or exceeds OEM specifications
  • PRODUCT ENGINEERING: Based on OE expertise, but specifically engineered for the aftermarket, NTK Oxygen Sensors offer superior OE fit, form, function
  • OE TECHNOLOGY: Upgraded to the latest OE technologies, NTK Oxygen Sensors are designed to reduce OE failures, enhance durability and performance
  • EXTENSIVE TESTING: OE development includes vibration and thermal shock testing. Testing during manufacturing guarantees quality and reliability
  • EASY INSTALLATION: NTK Oxygen Sensors are equipped with OE specified, water-resistant connectors and harness accessory hardware for easy installation
  • ADVANCED CERAMIC SENSOR ELEMENT: 3-stage contaminant-resistant plasma jet and deposit trap overcoat protects against element poisoning
  • NTK ADVANTAGE: Superior dual-coated platinum interface and thinner ceramic element produces fastest light off and response times with best durability
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Carquest – Fuel Injector Connector (Part No.28426)

Fuel Injector Connector

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$27.99
BWD is an aftermarket leader, providing a premium line of engine management products. BWD manufactures and distributes high technology critical components for late model domestic and import vehicles. BWD is constantly evolving to give customers the competitive edge they need to compete in today’s ever-changing marketplace.

Product Features:
  • 100% pure copper windings in primary and secondary bobbins improve durability and provide higher resistance to internal shorts and dielectric breakdown
  • Electronic ignition module profile and feedback signal ensures proper OE fit, form, and function
  • Thermoplastic housing withstands heat stress for enhanced durability
  • Internal core made from grain-oriented electrical steel limits loss factor within magnetic circuit to reduce heat that may reduce coil endurance
  • External core made from oriented silicon steel ensures durability and longevity
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Carquest Premium – Secondary Air Injection Pipe (Part No.EGN2683)

Secondary Air Injection Pipe

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$25.49
Secondary Air Injection Pipe

Carquest Premium – Fuel Injector Seal Kit (Part No.AS017)

Fuel Injector Seal Kit

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$2.99
CARQUEST fuel injector seal kits include the necessary O-rings and seals to properly reseal the injector, which is a recommended practice any time the injector is removed. Each kit services one injector and includes hard to find or previously dealer-only components.

Product Features:
  • Premium OE quality materials
  • Services one injector
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Dorman – Fuel Tank (Part No.576-033)

Fuel Tank

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$344.99
This replacement fuel tank is precision-engineered to match the fit and function of the original fuel tank on specified vehicles.

Product Features:
  • Reliable replacement – this fuel tank directly replaces the original fuel tank on specified vehicle years, makes and models
  • Durable construction – this fuel tank is made from the same rugged materials as the original part for dependable service
  • Quality assured – this part has been validated to ensure a quality fit and long service life
  • Trustworthy design – backed by team of product specialists in the United States
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Carquest Premium – Idle Speed Control Motor Connector (Part No.PTA1437)

Idle Speed Control Motor Connector

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$19.99
CARQUEST premium engine management products provide the right products for a wide range of domestic and import applications. Delivering the highest performance and durability under demanding conditions.

Product Features:
  • Premium quality materials for longer service life
  • Sealed connections (where applicable) to prevent environmental corrosion and performance issues
  • Global coverage for import and/or domestic applications
  • OE specified wire gauge to ensure a reliable electrical connection
  • Designed to meet or exceed OE specifications in form, fit and function
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Carquest Premium – Fuel Cap Tester Adapter (Part No.12427)

Fuel Cap Tester Adapter

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$34.99
Fuel Cap Tester Adaper for use with Stant fuel cap testers. Color coded for easy identification. Made of durable plastic.

Product Features:
  • BAR Certified adapters
  • Adapter check’s a fuel cap’s ability to hold pressure.
  • Adapters meet EPA standards for recommended fleet coverage.
  • Check adapter application chart for specific makes and models
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Delphi – Fuel Tank Cleaning Kit (Part No.FC01)

Fuel Tank Cleaning Kit

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$12.49
To perform a complete fuel pump replacement, clean the tank every time. Order the Delphi Fuel Tank Cleaning Kit (Part FC01). Remember, the original pump went into a clean fuel tank, to ensure the same level of performance, the new pump should too. 100 ye

Product Features:
  • Helps avoid premature fuel pump failure
  • Lint free towel included
  • Low suds formulation
  • Removes harmful contaminants from the fuel tank
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Delphi – Air Temperature Sensor (Part No.C6000175619DEL)

Air Temperature Sensor

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$22.52
Delphi’s Air Temperature Sensors are continuous function devices that change resistance inversely to temperature. They measure engine intake air temperature in the manifold, intake air duct, and air cleaner. A signal is then sent to the powertrain control module.

Product Features:
  • High-temperature thermoplastic shell for durability
  • Patented, lightweight, and cost-effective pre-mold subassembly
  • Design flexibility to match calibration criteria, meet mounting and packaging requirements, and integrate with systems
  • Customized packaging of mounting features, sealing options, connection system, and resistance output
  • Crimpless conductive path to the negative temperature coefficient thermistor and calibration certification for enhanced reliability and accuracy; also eliminates an electrical interface
  • 100 percent resistance calibration verification helps ensure quality and reliability
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Carquest Premium – Oxygen Sensor Connector (Part No.PTA1317)

Oxygen Sensor Connector

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$68.99
CARQUEST premium engine management products provide the right products for a wide range of domestic and import applications. Delivering the highest performance and durability under demanding conditions.

Product Features:
  • Premium quality materials for longer service life
  • Sealed connections (where applicable) to prevent environmental corrosion and performance issues
  • Global coverage for import and/or domestic applications
  • OE specified wire gauge to ensure a reliable electrical connection
  • Designed to meet or exceed OE specifications in form, fit and function
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Carquest Premium – Secondary Air Injection Pump Check Valve (Part No.CVC1001)

Secondary Air Injection Pump Check Valve

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$39.99
CARQUEST premium engine management products provide the right products for a wide range of domestic and import applications. Delivering the highest performance and durability under demanding conditions.
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Dorman – Help – Carburetor Pre-Heater Hose – 2 In. X 18 In. – Aluminum (Part No.96024)

Carburetor Pre-Heater Hose - 2 In. X 18 In. - Aluminum

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$5.99
This HVAC control duct hose is designed to match the fit and function of the original hose on specified vehicles, and is engineered for durability and reliable performance.

Product Features:
  • Direct replacement – this HVAC control duct hose is designed to match the fit and function of the original hose on specified vehicles
  • Restores functionality – reliable replacement for an original hose that has failed due to heat or vibration
  • Durable construction – this part is made from quality materials to ensure reliable performance and long service life
  • Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience
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Cardone – Vacuum Pump (Part No.64-1003)

Vacuum Pump

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$131.99
CARDONE Remanufactured Vacuum Pumps are engineered for quick installation and no comebacks. Each unit is engineered and tested to meet or exceed O.E.M performance, providing you reliable performance, every time. Original design weaknesses are corrected to make a longer lasting part you and your vehicle can rely on.

Product Features:
  • 100% NEW check valves, diaphragms, O-rings and seals prevent leaks and ensure proper vacuum required to efficiently run vehicle accessories
  • 100% computer testing guarantees reliable performance
  • Engineered to meet or exceed O.E.M.performance
  • Designed for easy installation
  • Guaranteed fit and function
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Motorad – Tethered Fuel Cap (Part No.MGC834T)

Tethered Fuel Cap

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$24.99
Manufactured with OEM quality materials and safety standards by an OE Supplier. Manufactured to pass all state and federal emissions requirements. Specifically designed pressure and vacuum relief valves to prevent evaporation of fuel. A leaking fuel cap can allow up to 30 gallons of gasoline to evaporate over the period of a year.

Product Features:
  • Come pre-assembled for quick and easy installation.
  • Several fastener options to work with any fuel cap compartment configuration
  • Fits vehicles orginally equipped with tether
  • Reduces air pollution with proper sealing and venting
  • Manufactured from durable, long-life materials
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Delphi – Fuel Injector (Part No.C1000580868DEL)

Fuel Injector

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$139.20
Delphi replacement fuel injectors are built to stringent OE requirements that meet federal emissions and fuel economy standards, and deliver identical OE fit for ease of installation. Our fuel injectors deliver an accurate, tightly controlled fuel spray pattern that allows for more efficient vaporization, reducing unburned hydrocarbon emissions. Delphi fuel injectors feature internal seal rings protected from fuel exposure for longer-lasting durability, and improved sealing materials to provide cold sealing to -40C for better cold starts. Delphi fuel injectors are manufactured using components and seals that are not sensitive to different fuels or fuel blends, including ethanol mixtures.

Product Features:
  • Delphi fuel injectors also provide optimal performance thanks to extra fuel filtering protection to eliminate contaminants.
  • More than 30 years of fuel injector engineering and manufacturing experience for the world’s largest automakers
  • Built using OE processes and equipment that are tested and calibrated for real-world applications
  • Proven through competitive testing to operate better, respond faster and last longer than the competition
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Carquest – Fuel Injector (Part No.57206)

Fuel Injector

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$91.99
High-quality products that meet OE appearance and performance to provide professional technicians and DIYers with a cost-effective solution.

Product Features:
  • Designed to OE standards for ease of installation
  • Precision-wound and precision-trimmed solenoid windings allow the computer to command efficient delivery of fuel
  • High-temp Viton® O-rings enable prolonged sealing of injector under extreme heat conditions
  • As a global manufacturer, we have complete control of the manufacturing process, from components to finished product?
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1981 Cadillac Seville Fuel and Emissions Systems

You count on your 1981 Cadillac Seville to run right. That means taking care of it with regular maintenance, necessary repairs, and the right parts. Advance Auto Parts can help with all of that thanks to our extensive inventory of trusted Fuel and Emissions Systems. With 64 Fuel and Emissions Systems ranging in price from $1.99 to $372.99, you’re sure to find everything you need for your 1981 Cadillac Seville.

Brands matter. If you want to shop a specific Fuel and Emissions Systems brand, we stock 14 different brands like Carquest Premium, Felpro, and Delphi. 1981 Cadillac Seville Fuel and Emissions Systems start as low as $1.99!

One of the best ways to find top quality OEM or aftermarket Fuel and Emissions Systems is by asking professionals. Short of that, you can shop with confidence thanks to our 1,636 extensive product reviews on 1981 Cadillac Seville Fuel and Emissions Systems. Some of the top-rated Fuel and Emissions Systems products we carry are Oxygen Sensor: 2 Wire, 12.48" Long, Non-heated, Exact Fit with 4.6 stars and Electric Fuel Pump with 2.5 stars.

Did we mention you can order your Fuel and Emissions Systems from our online catalog and have them shipped right to your garage? Or, if you feel like seeing the parts first-hand, search for your nearest Advance Auto Parts location above and pick up in-store when you’re ready. Browse our full Fuel and Emissions Systems inventory for your 1981 Cadillac Seville below to get started!

Top-Rated Fuel and Emissions Systems Brands For Your 1981 Cadillac Seville

Trusted Fuel and Emissions Systems OEM and aftermarket product brands are what Advance Auto Parts specializes in. The brands we work with are sure to keep that 1981 Cadillac Seville running right for years to come. In our inventory you’ll find brands like Carquest Premium, Felpro, Delphi, and even more.

Popular Dorman – Help Fuel and Emissions Systems

You’ll find popular Dorman – Help brand products across Fuel Injectors. All are waiting to get your 1981 Cadillac Seville back on the road. Some of the top-rated Dorman – Help products in these categories are:

Top-Rated Carquest Premium Fuel and Emissions Systems


If Carquest Premium are what you’re looking for, our inventory holds plenty. We stock Carquest Premium brand Fuel and Emissions Systems for your 1981 Cadillac Seville, and some of our most reviewed Carquest Premium parts include:

FAQs for 1981 Cadillac Seville Fuel and Emissions Systems

What are the most purchased Fuel and Emissions Systems for the 1981 Cadillac Seville?

Out of 64 Fuel and Emissions Systems for the 1981 Cadillac Seville, the most popular in our inventory are:
Fuel Pump Mounting Gasket
from $2.99
(26)
Fuel Pump Mounting Gasket
Fuel Pump Block-Off Plate Gaskets

What are the top-rated 1981 Cadillac Seville Fuel and Emissions Systems?

Top-rated Fuel and Emissions Systems for your 1981 Cadillac Seville based on customer reviews/ratings are:
Oxygen Sensor: 2 Wire, 12.48" Long, Non-heated, Exact Fit
from $29.99
(129)
Oxygen Sensor: 2 Wire, 12.48" Long, Non-heated, Exact Fit
“exact fit works fine”
Electric Fuel Pump
from $64.99
(37)
Electric Fuel Pump
“Very good product”
Locking Fuel Cap
from $23.99
(35)
Locking Fuel Cap
“Had a check engine light and when I scanned it, calls for a new gas cap. Instead of buying oem from the dealer or just an ordinary gas cap from a part”