2003 Cadillac DeVille Fuel and Emissions Systems

Essential 2003 Cadillac DeVille Fuel and Emissions Systems

Bosch – Bosch Oxygen Sensor (Part No.C5010126269BOS)

Bosch Oxygen Sensor

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$52.26
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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GM Genuine Parts – Secondary Air Injection Pump Check Valve Gasket (Part No.219-600)

Secondary Air Injection Pump Check Valve Gasket

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$7.99
GM Genuine Parts Secondary Air Injection Pump Check Valve Gaskets are designed, engineered, and tested to rigorous standards, and are backed by General Motors. These gaskets help form a gas-tight seal between the check valve and secondary air components. 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 maintain controlled air flow to proper air injection components
  • 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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Dorman – Evaporative Emissions Charcoal Canister (Part No.911-271)

Evaporative Emissions Charcoal Canister

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$203.99
This vapor canister has been made to match the original equipment evap canister on certain vehicle years, makes and models, properly restoring emissions controls.

Product Features:
  • Direct replacement – this evaporative emissions charcoal canister matches the function and performance of the original canister on specified vehicles
  • Restores performance – properly repairs issues with emissions controls to clear check engine light and pass inspection
  • Application specific – reverse engineered from the original design on certain vehicle years, makes and models
  • Trustworthy quality – backed by team of engineers and quality specialists in the United States
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GM Genuine Parts – Sequential Multi-Port Fuel Injector Rail (Part No.217-1538)

Sequential Multi-Port Fuel Injector Rail

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$304.99
GM Genuine Parts Fuel Injector Rails are designed, engineered, and tested to rigorous standards, and are backed by General Motors. 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:
  • 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 Premium – Manifold Absolute Pressure Sensor (MAP) (Part No.ECE1015)

Manifold Absolute Pressure Sensor (MAP)

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$65.99
CARQUEST MAP sensors are manufactured with critical OEM components to ensure that your engine runs efficiently to reach the best gas mileage on your vehicle.

Product Features:
  • CARQUEST MAP sensors connectors are exact OE fit to ensure the proper vacuum is maintained to prevent power loss and to minimize internal contamination.
  • CARQUEST MAP sensors utilize high temperature resistant seals. Damaged seals can directly impact the vehicles fuel-to-air ratio, making it less fuel efficient.
  • CARQUEST MAP sensors are 100% individually tested for all product functionalities including proper vacuum seal and electrical output.
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NTK – Fuel Tank Pressure Sensor (Part No.FG0012)

Fuel Tank Pressure Sensor

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$51.99
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:
  • Fuel Tank Pressure Sensors are manufactured to operational performance standards to meet or exceed OE fit, form and function to ensure proper pressure within the fuel tank and help detect leaks.
  • The Fuel Tank Pressure Sensor reports the ambient pressure in the fuel tank and evaporative emission system so that the PCM may detect evaporative system leaks.
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Carquest Premium – Oxygen Sensor Connector (Part No.PTA3163)

Oxygen Sensor Connector

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$40.99
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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Driveworks – Electrical Relay (Part No.83296)

Electrical Relay

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$16.79
Driveworks® offers a line of aftermarket parts and accessories that are commercially acceptable and competitively priced, which provides professional technicians and DIYers with an affordable alternative for repairs.

Product Features:
  • Direct-fit OE replacement ensures ease of installation
  • Designed to meet OE performance
  • As the leader in commercially acceptable parts, we provide professional technicians with the quality parts they need
  • As the leader in commercially acceptable parts, we provide professional technicians with the quality parts they need
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Carquest Premium – Vapor Canister Purge Solenoid (Part No.CPC1019)

Vapor Canister Purge Solenoid

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$44.99
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 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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Dorman – Chrysler, GM Push Rivet (Part No.961-359D)

Chrysler, GM Push Rivet

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$4.49
Constructed of quality materials, this multi-purpose retainer provides the same function and versatility as the original equipment retainer ensuring long service life.

Product Features:
  • Ideal replacement – this retainer matches the fit and function of the original equipment retainer for this vehicle application
  • Quality material – this retainer is made of durable material for long-lasting service
  • Versatile design – this retainer is suitable for a variety of automotive uses
  • Excellent value – this part offers original equipment quality at a competitive cost
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ACDelco – 4-Way Male Gray Multi-Purpose Pigtail (Part No.PT1373)

4-Way Male Gray Multi-Purpose Pigtail

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$67.99
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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GM Genuine Parts – Secondary Air Injection Pump (Part No.19260940)

Secondary Air Injection Pump

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$273.99
GM Genuine Parts Secondary Air Injection Pumps are designed, engineered, and tested to rigorous standards, and are backed by General Motors. The secondary air system injects air into your vehicle’s downstream exhaust system to assist in minimizing emissions. 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 maintain controlled air flow to proper air injection components
  • 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 Premium – Locking Fuel Cap: 10507, Screw On, Direct Fit, Provides Tight Seal, 1 Pack (Part No.10507)

Locking Fuel Cap: 10507, Screw On, Direct Fit, Provides Tight Seal, 1 Pack

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$22.99
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:
  • Protects your fuel from theft and vandalism
  • 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 – Connector (Part No.PTA1252)

Connector

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$27.49
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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Carquest Premium – Secondary Air Injection Solenoid (Part No.CPA1397)

Secondary Air Injection Solenoid

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$33.99
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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Delphi – Fuel Injection Idle Air Control Valve (Part No.CV10012)

Fuel Injection Idle Air Control Valve

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$128.99
100 years of OE experience, supplier to the world’s top automakers, OE Heritage and knowledge built into every aftermarket part.

Product Features:
  • Delphi’s 100% OE replacement idle air control valves allow for accurate, stable, and precise air flow during the idle phase
  • Provides superior fit resulting in an easier installations
  • Maximizes fuel and engine efficiency
  • Manufactured and engineered with premium quality and stringent standards eliminating potential for malfunctions
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GM Genuine Parts – Fuel Feed Pipe O-Ring (Part No.217-452)

Fuel Feed Pipe O-Ring

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$3.49
GM Genuine Parts Multi Purpose Seals are designed, engineered, and tested to rigorous standards, and are backed by General Motors. 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:
  • 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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ACDelco – GM Original Equipment Fuel Pump Tank Seal (Part No.E3004295048ACD)

GM Original Equipment Fuel Pump Tank Seal

from

$40.69
The ACDelco GM Original Equipment Fuel Pump Tank Seal is a GM-recommended replacement component that provides 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 component
  • Offering the quality, reliability, and durability of GM OE
  • Manufactured to GM OE specification for fit, form, and function
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GM Genuine Parts – Vapor Canister Vent Solenoid (Part No.214-1363)

Vapor Canister Vent Solenoid

from

$39.99
GM Genuine Parts Vapor Canister Vent Valves are designed, engineered, and tested to rigorous standards, and are backed by General Motors. These valves, when opened, allow air to pass in and out of the vapor canister vent. 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:
  • Controls fresh air flow to the canister
  • Sends fuel vapors to the engine for re-burn
  • Helps control fuel tank pressure
  • 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 Injection Pressure Regulator (Part No.22849)

Fuel Injection Pressure Regulator

from

$70.99
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
  • Application-specific to ensure the proper fit and form
  • Precision-engineered pressure regulators for proper fuel delivery and engine performance
  • As a global manufacturer, we have complete control of the manufacturing process, from components to finished product?
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Dorman – Fuel Tank Strap Set (Part No.578-192)

Fuel Tank Strap Set

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$52.99
Recommended for replacement whenever the fuel tank is replaced or serviced, this strap is a direct replacement for the original. Manufactured from durable materials to withstand harsh road and weather conditions.

Product Features:
  • Direct replacement – this fuel tank strap matches the fit, function and performance of the original part
  • Ideal solution – recommended for replacement when the fuel tank is serviced or replaced
  • Durable construction – manufactured from quality materials for superior service and reliability
  • Trustworthy design – backed by 100 years of automotive aftermarket experience
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GM Genuine Parts – Fuel Injector O-Ring Kit with 8 Bushings and 16 O-Rings (Part No.217-3102)

Fuel Injector O-Ring Kit with 8 Bushings and 16 O-Rings

from

$31.49
GM Genuine Parts Fuel Injector Seal Kits are designed, engineered, and tested to rigorous standards, and are backed by General Motors. These seals help provide liquid-tight connections between the fuel injector and related components. 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 seal to prevent fuel leaks
  • Helps seal combustion chamber from the elements
  • 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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ACDelco – GM Original Equipment Vapor Canister Purge Valve (Part No.B7080352016ACD)

GM Original Equipment Vapor Canister Purge Valve

from

$53.90
The ACDelco GM Original Equipment Vapor Canister Purge Valve is a GM-recommended replacement component that provides 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 component
  • Offering the quality, reliability, and durability of GM OE
  • Manufactured to GM OE specification for fit, form, and function
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ACDelco – GM Original Equipment Fuel Injector O-Ring Kit (Part No.C1013414748ACD)

GM Original Equipment Fuel Injector O-Ring Kit

from

$32.69
The ACDelco GM Original Equipment Fuel Injector O-Ring Kit is a GM-recommended replacement component that provides 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 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 – Vapor Canister Vent Solenoid (Part No.CPA1049)

Vapor Canister Vent Solenoid

from

$49.99
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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KAI – Fuel Tank Lock Ring (Part No.SPILO01)

Fuel Tank Lock Ring

from

$9.99
New Standard Replacement Fuel Tank Lock Ring, Includes O-Ring

Product Features:
  • Includes O-Ring
  • Meets All Federal Motor Safety Standards
  • No Drilling Needed For Installation
  • No Modifications Needed For Installation
  • Direct Fit Replacement For Your Vehicle
  • Same Form Fit And Function As OE
  • Check Out The Large Selection Of Parts Available For Your Vehicle
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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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2003 Cadillac DeVille Fuel and Emissions Systems

You count on your 2003 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 101 Fuel and Emissions Systems ranging in price from $2.29 to $385.99, you’re sure to find everything you need for your 2003 Cadillac DeVille.

Brands matter. If you want to shop a specific Fuel and Emissions Systems brand, we stock 16 different brands like Carquest Premium, Felpro, and DENSO. 2003 Cadillac DeVille Fuel and Emissions Systems start as low as $2.29!

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 2,256 extensive product reviews on 2003 Cadillac DeVille Fuel and Emissions Systems. Some of the top-rated Fuel and Emissions Systems products we carry are Locking Fuel Cap: 10506, Twist-Lock, Direct Fit, Provides Tight Seal, 1 Pack with 4.4 stars and MAP Sensor with 4.9 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 2003 Cadillac DeVille below to get started!

Top-Rated Fuel and Emissions Systems Brands For Your 2003 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 2003 Cadillac DeVille running right for years to come. In our inventory you’ll find brands like Carquest Premium, Felpro, DENSO, and even more.

Popular Carquest Fuel and Emissions Systems

You’ll find popular Carquest brand products across Fuel Tanks. All are waiting to get your 2003 Cadillac DeVille back on the road. Some of the top-rated Carquest products in these categories are:
Fuel Tank Lock Ring
from $15.99
(2)
Fuel Tank Lock Ring
Fuel Tank Lock Rings

FAQs for 2003 Cadillac DeVille Fuel and Emissions Systems

What are the most purchased Fuel and Emissions Systems for the 2003 Cadillac DeVille?

Out of 101 Fuel and Emissions Systems for the 2003 Cadillac DeVille, the most popular in our inventory are:
Fuel Injector O-Ring Kit
from $7.49
(109)
Fuel Injector O-Ring Kit
Fuel Injector O-Ring Kits
Mass Air Flow Sensor (MAF) - 100% NEW
from $89.99
(2)
Mass Air Flow Sensor (MAF) – 100% NEW
Air Flow Meters and Mass Air

What are the top-rated 2003 Cadillac DeVille Fuel and Emissions Systems?

Top-rated Fuel and Emissions Systems for your 2003 Cadillac DeVille based on customer reviews/ratings are:
MAP Sensor
from $67.05
(27)
MAP Sensor
“It was what I need for the engine light to go off.”
Mass Air Flow Sensor
from $129.99
(21)
Mass Air Flow Sensor
“Fit correctly and worked fine.”