1981 Cadillac DeVille Fuel and Emissions Systems

Essential 1981 Cadillac DeVille Fuel and Emissions Systems

Carquest Premium – Fuel Cap: 10632, Twist-Lock, Direct Fit, Provides Tight Seal, 1 Pack (Part No.10632)

Fuel Cap: 10632, Twist-Lock, Direct Fit, Provides Tight Seal, 1 Pack

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$10.49
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:
  • Passes all state and federal emissions tests
  • Manufactured from durable, long-life materials
  • Reduces air pollution with proper sealing and venting
  • Independently tested for emission control
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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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Carquest Premium – Fuel Pump Strainer (Part No.FS260335)

Fuel Pump Strainer

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$9.99
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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GM Genuine Parts – Oxygen Sensor: 4 Wires, 249.4 mm Long, Heated, Exact Fit (Part No.AFS109)

Oxygen Sensor: 4 Wires, 249.4 mm Long, Heated, Exact Fit

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$79.99
GM Genuine Parts Oxygen (O2) Sensors are designed, engineered, and tested to rigorous standards, and are backed by General Motors. These sensors are special feedback sensors on your vehicle’s exhaust system and measure the proportion of oxygen in exhaust gases. Using this measurement, the engine control module (ECM) can adjust the air/fuel ratio to near the optimal value of 14.7:1. At this ratio, engine performance, emissions, and fuel economy are all optimized. GM Genuine Parts are the true OE parts installed during the production of or validated by General Motors for GM vehicles. Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE).

Product Features:
  • Detects oxygen content in the exhaust gases to help optimize emissions
  • Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE)
  • GM Genuine Parts are designed, engineered and tested to rigorous standards, and are backed by General Motors
  • GM Engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle
  • GM regularly updates production and service part designs to integrate new materials and technologies
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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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NTK – Air Charge Temperature Sensor (Part No.EF0008)

Air Charge Temperature Sensor

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$25.99
Building upon a foundation of premium full-line products established under NGK ignition and NTK oxygen sensor products, NTK’s expansion to technical sensors is part of our ongoing commitment to streamline product types and increase coverage under one premium brand: NTK, The Sensor Specialist. With over 80 years of automotive expertise, NGK’s family of automotive products are driven by extreme dedication to innovation, performance and quality. NTK is the only OE supplier with a full-line of technical sensors in the aftermarket for import and domestic vehicles. Drawing from OE experience, NTK sensors undergo extreme testing conditions that include thermal shock, vibration and OBD verification. NTK sensors are manufactured to ensure a quality that meets or exceeds OE specifications. As new vehicles incorporate connected and automated technologies, trust The Sensor Specialist for full-line market support and OE application technology.

Product Features:
  • Air Charge Temperature Sensors are designed to meet or exceed OE specifications in form, fit and function to ensure proper monitoring of air temperature entering the engine
  • NTK’s Engine Coolant Temperature Sensors are manufactured to operational performance standards to meet or exceed OE fit, form and function to ensure proper engine operating temperature.
  • Engine Coolant Temperature (ECT) Sensors measure the temperature of the coolant. The readings from the (ECT) sensor are sent back to the Engine Control Unit (ECU) to adjust the fuel injection and ignition timing.
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Cardone – Vacuum Pump (Part No.64-1022)

Vacuum Pump

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$145.99
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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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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ACDelco – Professional Fuel Injector Assembly (Part No.C1000357608ACD)

Professional Fuel Injector Assembly

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$213.82
The ACDelco Professional, premium aftermarket Fuel Injector is the ideal high quality replacement for your GM vehicle. It is an electro-magnetic valve that meters fuel into the engine’s intake manifold or cylinders for combustion. The engine management computer operates the injector by applying an electric current to the injector solenoid winding – this causes the needle valve to open, and allows the pressurized fuel to be atomized into the intake airstream. This premium aftermarket replacement fuel injector is manufactured to meet or exceed your expectations for fit, form, and function.

Product Features:
  • Atomize fuel into the engine’s intake manifold or cylinders, as part of the fuel and engine management system
  • Professional, premium aftermarket replacement
  • Provides the performance and dependability you expect from ACDelco
  • Manufactured to meet expectations for fit, form, and function
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Spectra Premium – Fuel Tank Sending Unit (Part No.FG07M)

Fuel Tank Sending Unit

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$84.99
Innovative engineering, manufacturing technology and quality control ensure that Spectra Premium fuel sending units 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
  • Precision tested fuel level sensors ensures vehicles fuel gage will provide an accurate reading at any fuel level
  • Includes strainers for smoother installation process and ensures a clean fuel system upon replacement
  • Engineered to stringent tolerances based on our Canadian engineers’ in-depth knowledge of the OE part it’s designed to replace
  • Manufactured with high quality material, ensuring the durability of this part to prevent costly repairs
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Carquest – Fuel Tank Straps (Includes 2 Straps) (Part No.578-009)

Fuel Tank Straps (Includes 2 Straps)

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$36.49
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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Spectra Premium – Fuel Tank (Part No.GM411A)

Fuel Tank

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$227.99
Innovative engineering, manufacturing technology and quality control ensure that Spectra Premium fuel tanks 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
  • Lock ring included with each tank to reduce installation time and to ensure a complete repair
  • Made with corrosion resistant, OE approved, Ni Terne steel for durability
  • Unit is leak tested after production to ensure product in free from fuel and / or evaporative leaks
  • Each new fuel tank is road tested to ensure real world performance and to verify that each design meets our high standards for quality
  • Engineered to stringent tolerances based on our Canadian engineers’ in-depth knowledge of the OE part it’s designed to replace
  • 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
  • Packaged with double-layered foam wrap and heavy-gauge corrugated board to ensure product quality at installation
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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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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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GM Genuine Parts – Exhaust Gas Recirculation (EGR) Valve Gasket (Part No.219-175)

Exhaust Gas Recirculation (EGR) Valve Gasket

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$18.99
GM Genuine Parts Exhaust Gas Recirculation (EGR) Valve Gaskets are designed, engineered, and tested to rigorous standards, and are backed by General Motors. These gaskets help provide a gas-tight seal for the EGR valve mounting flange. They are made from high temperature materials, and should be replaced whenever you service the EGR valve. GM Genuine Parts are the true OE parts installed during the production of or validated by General Motors for GM vehicles. Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE).

Product Features:
  • Helps provide a leak-free seal
  • Allows exhaust pollutants to enter the engine for re-burn
  • Helps the engine emission system operate properly
  • Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE)
  • GM Genuine Parts are designed, engineered and tested to rigorous standards, and are backed by General Motors
  • GM Engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle
  • GM regularly updates production and service part designs to integrate new materials and technologies
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Carquest – Fuel Tank Filler Neck (Part No.577-919)

Fuel Tank Filler Neck

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$143.99
Fuel filler neck leaking? This replacement fuel filler neck is precision-engineered and thoroughly tested to match the original filler neck for specific vehicle years, makes and models for a reliable repair.

Product Features:
  • Direct replacement – this fuel filler neck is made to match the original equipment on specific vehicles
  • Durable construction – made of corrosion-resistant materials to reduce future failure potential
  • Regulatory compliant – built to meet emission and inspection standards
  • Trustworthy value – backed by team of engineers and quality control experts in the United States
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Carquest Premium – Mechanical Fuel Pump (Part No.4269)

Mechanical Fuel Pump

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$87.99
CARQUEST mechanical fuel pumps are precision-cast units designed to meet or exceed OEM specifications and are built with enhanced, long-lasting components.

Product Features:
  • Special heat treated rocker arms and case-hardened pins to ensure long-lasting performance
  • Upgraded seals and pump diaphragms for compatibility with modern multi-fuel blends
  • Every single pump is 100% tested throughout the entire manufacturing process for worry free, out-of-the-box performance
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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.AS004)

Fuel Injector Seal Kit

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$3.49
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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ACDelco – GM Original Equipment Fuel Tank Sending Unit Lock Ring (Part No.E2029575747ACD)

GM Original Equipment Fuel Tank Sending Unit Lock Ring

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$30.23
ACDelco GM Original Equipment Fuel Tank Sending Unit Lock Rings are quality replacement parts for effectively sealing ACDelco GM OE Fuel Tank Sending Units. ACDelco GM OE Fuel Tank Sending Unit Lock Rings are a GM-recommended replacement for your vehicle’s original components. These original equipment lock rings are manufactured to fit your specific GM vehicle and will provide the same performance, durability, and service life as your factory original equipment.

Product Features:
  • GM-recommended replacement part for your GM vehicle’s original factory fuel tank sending unit lock ring
  • Offering the quality, reliability, and durability of GM OE
  • Manufactured to GM OE specification for fit, form, and function
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ACDelco – 4-Way Male Black Multi-Purpose Pigtail (Part No.PT127)

4-Way Male Black Multi-Purpose Pigtail

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$46.49
ACDelco GM Original Equipment Pigtail Connectors are connectors ready to be spliced into vehicle harnesses, and are GM-recommended replacements for your vehicle’s original components. These original equipment pigtail connectors have been manufactured to fit your GM vehicle, providing the same performance, durability, and service life you expect from General Motors.

Product Features:
  • Protective outer coverings help provide long-lasting durability
  • Color-coded wires allow for easy installation
  • GM-recommended replacement part for your GM vehicle’s original factory component
  • Offering the quality, reliability, and durability of GM OE
  • Manufactured to GM OE specification for fit, form, and function
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Carquest Premium – Deck Lid / Liftgate Ajar Switch Connector (Part No.PTA1077)

Deck Lid / Liftgate Ajar Switch Connector

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$29.49
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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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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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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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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Bosch – Oxygen Sensor (Part No.C5010411331BOS)

Oxygen Sensor

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$42.63
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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Carquest Premium – Exhaust Gas Recirculation (EGR) Valve (Part No.EGC1381)

Exhaust Gas Recirculation (EGR) Valve

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$73.99
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 – EGR Valve (Part No.B7010205253DOR)

EGR Valve

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$202.20
An essential part of the exhaust gas recirculation system, Dorman’s EGR Valve effectively recirculates exhaust gas to be re-burned in the intake manifold. Dorman’s EGR Valve withstands extreme heat and carbon build-up for a long service life.

Product Features:
  • Direct replacement for a proper fit
  • Includes gasket for a tight seal
  • Helps reduce emissions to protect the environment
  • Vehicle try-on testing has been conducted on this part to ensure trouble-free performance
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1981 Cadillac DeVille Fuel and Emissions Systems

You count on your 1981 Cadillac DeVille 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 68 Fuel and Emissions Systems ranging in price from $1.99 to $293.99, you’re sure to find everything you need for your 1981 Cadillac DeVille.

Brands matter. If you want to shop a specific Fuel and Emissions Systems brand, we stock 15 different brands like Carquest Premium, Felpro, and Delphi. 1981 Cadillac DeVille 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 1,643 extensive product reviews on 1981 Cadillac DeVille 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 DeVille below to get started!

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

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 DeVille 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 DeVille 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 DeVille, and some of our most reviewed Carquest Premium parts include:

FAQs for 1981 Cadillac DeVille Fuel and Emissions Systems

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

Out of 68 Fuel and Emissions Systems for the 1981 Cadillac DeVille, 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 DeVille Fuel and Emissions Systems?

Top-rated Fuel and Emissions Systems for your 1981 Cadillac DeVille 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”