2021 Cadillac Escalade ESV Fuel and Emissions Systems

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Essential Fuel and Emissions Systems for 2021 Cadillac Escalade ESVs

GM Genuine Parts – Vapor Canister Purge Valve (Part No.214-646)

Vapor Canister Purge Valve

from

$55.99
ACDelco GM Original Equipment Vapor Canister Purge Valves are GM-recommended replacements for your vehicle’s original components. The purge valve controls the flow of fuel vapor from the vapor canister to the intake manifold. These original equipment vapor canister purge valves have been manufactured to fit your GM vehicle, providing the same performance, durability, and service life you expect from General Motors.

Product Features:
  • Controls vapor flow from canister to engine
  • 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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Dorman – Help – Fuel Tank Strap Hardware Kit (Part No.55157)

Fuel Tank Strap Hardware Kit

from

$13.99
This fuel tank attaching hardware is designed to match the fit and function of the original hardware on specified vehicles, and is engineered for durability and reliable performance.

Product Features:
  • Direct replacement – this fuel tank attaching hardware is designed to match the fit and function of the original hardware on specified vehicles
  • Recommended replacement for the original hardware when servicing or replacing the fuel tank
  • 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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Carquest Premium – Reman Multi Port Fuel Injector – 8 Pack (Part No.A211-1803-8PK)

Reman Multi Port Fuel Injector - 8 Pack

from

$479.99
The Carquest line of remanufactured OEM fuel injectors are remanufactured using a proven 15 step process at a state-of-the-art remanufacturing facility in the USA. Injectors are thoroughly tested under multiple operating conditions to ensure each injector meets or exceeds OE specifications for flow rate, spray pattern, coil resistance, form, fit and function.

Product Features:
  • Includes eight premium fuel injectors
  • Each unit is 100% tested to OE specifications
  • Includes new o-rings and seals made of premium OE quality materials
  • Includes application specific technical bulletin, where applicable
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GM Genuine Parts – Multi-Port Fuel Injector O-Ring Kit with 16 O-Rings (Part No.217-3361)

Multi-Port Fuel Injector O-Ring Kit with 16 O-Rings

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$44.49
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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Carquest Premium – Vapor Canister Vent Valve: Includes Mounting Hardware (Part No.CPA1302)

Vapor Canister Vent Valve: Includes Mounting Hardware

from

$36.99
Ensure that your vehicle’s emission control system performs at its best with Carquest premium Vapor Canister Vent Valves. Manufactured for long-lasting performance, these Vent Valves provide reliable operation and help maintain your vehicle’s compliance with environmental regulations. For cleaner emissions, optimal vehicle efficiency and performance, trust Carquest Vapor Canister Vent Valves.

Product Features:
  • Provides closure for the EVAP system (normally vented) during OBD II test cycle
  • Includes integrated filter, where applicable, that captures contaminants and particulates from incoming air, preventing clogging and ensuring clean airflow
  • Quick valve response to engine demands, ensuring efficient venting of vapors and optimizing overall engine performance
  • Meets or exceeds all OEM specifications
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Delphi – Manifold Absolute Pressure Sensor (Part No.PS10247)

Manifold Absolute Pressure Sensor

from

$61.99
Delphi’s ever growing portfolio of high quality vehicle sensors are backed by stringent OE development and product validation methods. We offer a wide range of sensors, including ABS, camshaft, crankshaft, knock, EGT, MAP, temperature, throttle position, and vehicle speed sensors for a variety of vehicle applications. All of our sensors are tested and calibrated to OE standards, ensuring accurate readings, which helps to reduce comebacks.

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 – Remanufactured Multi Port Fuel Injector (Part No.A211-1803)

Remanufactured Multi Port Fuel Injector

from

$75.99
CARQUEST’S line of remanufactured OEM fuel injectors are remanufactured using a proven 15 step process at a state-of-the-art remanufacturing facility in the U.S.A. Each injector is 100% tested under multiple operating conditions to ensure each injector meets or exceeds OE specifications for flow rate, spray pattern, coil resistance, form, fit and function. Each injector includes new external seals and O-rings.

Product Features:
  • Each unit is 100% tested to OE specifications
  • Includes new O-rings and seals made of premium OE quality materials
  • Includes application specific technical bulletin, where applicable
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Carquest Premium – Fuel Tank Lock Ring LO1582926 (Part No.LO1582926)

Fuel Tank Lock Ring LO1582926

from

$16.99
Carquest Premium offers a complete line of fuel tank lock rings covering a wide variety of North American vehicle applications. Carquest Premium fuel tank lock rings are engineered to meet or exceed all OEM specifications. Carquest Premium fuel tank lock rings are precision stamped and are treated with a rust proof finish to ensure durability and strength.

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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aFe POWER – Sprint Booster (Part No.77-14003)

Sprint Booster

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$314.99
Silver Bullet throttle body spacers create turbulence in the air flow at the point just prior entry into the engine increasing horsepower, torque and improving throttle response and fuel efficiency. Silver Bullet throttle body spacers are constructed out of durable T-6061 billet aluminum and using a unique serrated/helix entry to create turbulence at the manifold while eliminating the annoying whistle found in other helix only throttle spacers.

Product Features:
  • Reduces Throttle Response Time
  • Improves Acceleration
  • Easy To Install
  • Does Not Affect The Vehicles Electronic System
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Carquest Premium – Ambient Air Temperature Sensor (Part No.WTA1155)

Ambient Air Temperature Sensor

from

$44.99
The temperature of various systems must be reported to the engine control module (ECM) as well as other operating system controllers in the vehicle. Coolant temperature, cabin temperature, exhaust temperature and ambient temperature are just a few systems reported by a temperature sensor. The temperature sensor is fed 5 volts by the systems computer, within the sensor housing will be a thermistor, or dropping resistor whose resistance value will change as the temperature surrounding it changes. Changing resistance in the circuit will change the volt signal at the processor indicating the current operating value.

Product Features:
  • Product constructed to meet all design and operating characteristics as intended by the vehicle manufacturer.
  • 100% thermo-shock and vibration tested to ensure superior performance in extreme conditions.
  • 100% end-of-line tested to ensure accurate signal output providing product reliability, every time.
  • Tin plated lead frame prevents corrosion and ensures a reliable terminal connection under adverse ambient conditions.
  • Lead frame terminal size and location determined using image dimension measuring system or 3D laser scanner.
  • Application matched components ensures system operation in like new condition.
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GM Genuine Parts – Fuel Tank Lock Ring (Right) (Part No.TR26)

Fuel Tank Lock Ring (Right)

from

$16.99
GM Genuine Parts Fuel Tank Sender Retainers are designed, engineered, and tested to rigorous standards, and are backed by General Motors. These retainers help align and secure your vehicle’s fuel tank sender. 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:
  • Help align and secure fuel tank sender
  • 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 – Fuel Tank Pressure Sensor (Part No.ECA1003)

Fuel Tank Pressure Sensor

from

$52.99
Pressure sensors are used within several operating systems on the vehicle. Subjects in this category measure the pressure of both liquid and air to include air in a positive pressure and negative pressure range. Pressure sensors report out as the result of an electrical device called a strain gauge which produces an analog or digital signal output dependent on the needs of the circuit. Pressures may be very low such as barometric pressure, or extremely high such as in a high-pressure fuel injection system.

Product Features:
  • Product constructed to meet all design and operating characteristics as intended by the vehicle manufacturer.
  • Computer-Aided Design (CAD), laser scanning and 3D printing – utilizing Fused Deposition Modeling (FDM) and Stereolithography (SLA) – in the part design process ensures speed-to-market and a precise fit guaranteed.
  • Robust circuit board design increases durability due to heat, shock, and random electro-magnetic pulses (EMP) and power spikes.
  • Tin plated lead frame prevents corrosion and ensures a reliable terminal connection under adverse ambient conditions.
  • 100% thermo-shock and vibration tested to ensure superior performance in extreme conditions.
  • 100% end-of-line tested to ensure accurate signal output providing product reliability, every time.
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GM Genuine Parts – Fuel Pump O-Ring (Part No.G41)

Fuel Pump O-Ring

from

$15.99
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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GM Genuine Parts – Parking Light Relay (Part No.D1777C)

Parking Light Relay

from

$11.49
GM Genuine Parts Wiring Relays are designed, engineered, and tested to rigorous standards, and are backed by General Motors. These relays help connect or disconnect power to a vehicle accessory when it receives a low voltage signal from a switch. 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 connect or disconnect power to vehicle accessories
  • 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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Bosch – Oxygen Sensor: 4 Wire, 15.87" Long, Heated, Exact Fit (Part No.15200)

Oxygen Sensor: 4 Wire, 15.87" Long, Heated, Exact Fit

from

$149.99
Bosch is the world’s leading supplier and original equipment manufacturer of Oxygen Sensors. Bosch invented the automotive oxygen sensor and leads the way in sensor technology and innovation. From overall sensor design to the critical ceramic element, Bosch is known worldwide for quality and performance.

Product Features:
  • Premium Bosch oxygen sensors are designed to improve fuel economy while reducing harmful emissions
  • Direct Fit includes OE Connector for easy installation
  • Performance meets or exceeds OE specifications
  • True Direct-fit OE connectors and harness
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DENSO – Oxygen Sensor: 4 Wire, 16.14" Long, Heated, Exact Fit (Part No.234-4337)

Oxygen Sensor: 4 Wire, 16.14" Long, Heated, Exact Fit

from

$99.99
DENSO Oxygen Sensors are manufactured and tested to the strictest OE standards for unparalleled peformance; Each component is precision built for exact replacement, and a first time fit; This innovative line features DENSO’s exclusive aluminum oxide trap layer, designed to protect the ceramic element from silicone and lead posining for improved engine performance, greater fuel efficiency, and unparalleled longevity; DENSO gives you the right part and the right fit, the first time.

Product Features:
  • Specifically designed to meet the increasing demands of today’s engines
  • 100 percent checked for high temperature signal output, air tightness, continuity, and heat resistance for optimal efficiency and performance
  • Coated with aluminum oxide to prevent silicone and lead from contacting the ceramic element and damaging the platinum electrode
  • Double protection cover helps maintain proper unit temperature for quicker response times, which is critical to your vehicle’s fuel efficiency
  • Manufactured with a rugged stainless steel housing and porous PTFE filter to resist corrosion and contamination
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Carquest Premium – Premium GDI Seal Tool Kit (Part No.ATK-001)

Premium GDI Seal Tool Kit

from

$129.99
This premium tool kit is designed to ensure the correct installation of the combustion seal on Gasoline Direct Injectors (GDI), which require replacement any time the injector is reinstalled. This special tool allows for the expansion of the combustion seal to allow installation onto the injector’s tip and resizing tools to provide precise dimensioning to ensure proper combustion sealing. Constructed of high-quality stainless steel the tool will provide years of trouble-free service and can be used on over 100 unique styles of GDI injectors.

Product Features:
  • Includes two expansion cones
  • Includes two resizing tools
  • Includes one seal installation collet
  • Includes hard case
  • Includes instruction manual
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Dorman – Universal Fuel Line Retainer – 5/8 In. (Part No.800-041)

Universal Fuel Line Retainer - 5/8 In.

from

$12.99
This fuel line clip is designed to match the fit and function of the original part on specified vehicles. Made of quality materials, it is engineered for reliable performance.

Product Features:
  • Direct replacement – this fuel line clip matches the fit and function of the factory part on specified years, makes and models
  • Ideal solution – this clip is a reliable replacement for an original part that is missing or has failed due to fatigue
  • 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 Fitting Retainer – Spring Load (Part No.800-032)

Fuel Fitting Retainer - Spring Load

from

$27.99
This fuel line clip is designed to match the fit and function of the original part on specified vehicles. Made of quality materials, it is engineered for reliable performance.

Product Features:
  • Direct replacement – this fuel line clip matches the fit and function of the factory part on specified years, makes and models
  • Ideal solution – this clip is a reliable replacement for an original part that is missing or has failed due to fatigue
  • 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
See More

GM Genuine Parts – 4-Way Female Gray Multi-Purpose Pigtail (Part No.PT1402)

4-Way Female Gray Multi-Purpose Pigtail

from

$62.99
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
See More

GM Genuine Parts – Fuel Tank Pressure Sensor Cover (Part No.20893611)

Fuel Tank Pressure Sensor Cover

from

$4.99
GM Genuine Parts Fuel Pressure Sensor Covers 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
See More

Delphi – Fuel Tank Cleaning Kit (Part No.FC01)

Fuel Tank Cleaning Kit

from

$12.49
When replacing a fuel pump or module, it’s extremely important to clean the tank. Existing dirt, debris, and contamination stuck in the fuel tank can clog the brand-new strainer. Delphi’s Fuel Tank Cleaning Kit (FC01) and Tool (FC02) can help clean your fuel tank in less than five minutes. The FC01 includes a low-suds solution, cloth, and gloves that works together with the FC02 to help clean those hard to reach places without having to remove the fuel tank. Visit our Resource Center for helpful tips and tricks on fuel pumps, technologies, and more: https://www.delphiautoparts.com/usa/en-US/resource-center.

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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Carquest Premium – Multi-Use Connector (Part No.PTA1066)

Multi-Use Connector

from

$62.99
Modern vehicles may have 100 or more electrical harness connectors in every operating system of the vehicle. Terminal tension may weaken with time or corrosion may occur within the connector housing making replacement necessary. When replacing any harness-connector assembly approved wire termination methods must be followed to ensure a successful and long-term solution to the original problem is made. A failed terminal connection, terminal corrosion or damaged wire will result in an electrical system fault.

Product Features:
  • Carquest electrical connectors meet or exceed OE wire gauge, insulation, and terminal material requirements.
  • 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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GM Genuine Parts – Black Multi-Purpose Pigtail (Part No.PT2612)

Black Multi-Purpose Pigtail

from

$25.99
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
See More

Upgrade your 2021 Cadillac Escalade ESV with Top-Quality Fuel and Emissions Systems

When it comes to maintaining or upgrading your 2021 Cadillac Escalade ESV, nothing is more important than using high-quality OEM or aftermarket parts that you can trust. Whether you’re repairing damage to your Cadillac or enhancing its overall performance, Fuel and Emissions Systems are key to keeping your Escalade ESV functioning at its best. At Advance Auto Parts, we offer a wide selection of 31 Fuel and Emissions Systems for the 2021 Cadillac Escalade ESV, designed to meet your needs without breaking the bank. From Fuel Tank replacements to Oxygen Sensors upgrades, we’ve got you covered with parts that fit your vehicle perfectly and ensure long-lasting performance.

Affordable Prices and Wide Selection

Shopping for Fuel and Emissions Systems for any vehicle can be a hassle, especially if you’re on a budget. But with Advance Auto Parts, you can find high-quality Fuel and Emissions Systems for your 2021 Cadillac Escalade ESV at great prices. Our Fuel and Emissions Systems inventory for this model ranges from just $4.99 to $519.99, with an average price of $68.72. Our 31 Fuel and Emissions Systems in stock come from 8 trusted brands, so you’re sure to find the right part for your 2021 Cadillac Escalade ESV without overspending.

Top Brands and High Customer Satisfaction

Advance Auto Parts takes pride in offering only the best brands in the automotive industry. For your 2021 Cadillac Escalade ESV, we stock popular OEM and aftermarket Fuel and Emissions Systems from top names like GM Genuine, Carquest Premium, Dorman, and more. GM Genuine Fuel and Emissions Systems start at just $11.49 and boast an impressive 4.6 stars average rating from customers. Carquest Premium and Dorman also bring quality to the table, with Fuel and Emissions Systems available starting at $6.99, and at an average 4.4 stars rating. With 252 customer reviews and counting, our 2021 Cadillac Escalade ESV Fuel and Emissions Systems have a strong track record of reliability, ensuring you can trust your purchase.

Explore Related Parts and More

While you’re here, don’t forget to check out other essential categories that go hand in hand with Fuel and Emissions System upgrades. Explore related part types like Batteries and Chargers, Oil and Lubricants and more to make sure your 2021 Cadillac Escalade ESV is always ready to roll. We’re committed to providing you with everything you need to keep your Escalade ESV in top shape, all in one place. Start shopping confidently below for your 2021 Cadillac Escalade ESV!

Best-Selling Fuel Tanks for 2021 Cadillac Escalade ESVs

Enhance the driving experience in your Cadillac with 5 quality Fuel Tank components, starting at $12.49.

Carquest Premium – Fuel Tank Lock Ring LO1582926 (Part No.LO1582926)

Fuel Tank Lock Ring LO1582926

from

$16.99
Carquest Premium offers a complete line of fuel tank lock rings covering a wide variety of North American vehicle applications. Carquest Premium fuel tank lock rings are engineered to meet or exceed all OEM specifications. Carquest Premium fuel tank lock rings are precision stamped and are treated with a rust proof finish to ensure durability and strength.

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
See More

Dorman – Help – Fuel Tank Strap Hardware Kit (Part No.55157)

Fuel Tank Strap Hardware Kit

from

$13.99
This fuel tank attaching hardware is designed to match the fit and function of the original hardware on specified vehicles, and is engineered for durability and reliable performance.

Product Features:
  • Direct replacement – this fuel tank attaching hardware is designed to match the fit and function of the original hardware on specified vehicles
  • Recommended replacement for the original hardware when servicing or replacing the fuel tank
  • 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
See More

Delphi – Fuel Tank Cleaning Kit (Part No.FC01)

Fuel Tank Cleaning Kit

from

$12.49
When replacing a fuel pump or module, it’s extremely important to clean the tank. Existing dirt, debris, and contamination stuck in the fuel tank can clog the brand-new strainer. Delphi’s Fuel Tank Cleaning Kit (FC01) and Tool (FC02) can help clean your fuel tank in less than five minutes. The FC01 includes a low-suds solution, cloth, and gloves that works together with the FC02 to help clean those hard to reach places without having to remove the fuel tank. Visit our Resource Center for helpful tips and tricks on fuel pumps, technologies, and more: https://www.delphiautoparts.com/usa/en-US/resource-center.

Product Features:
  • Helps avoid premature fuel pump failure
  • Lint free towel included
  • Low suds formulation
  • Removes harmful contaminants from the fuel tank
See More

GM Genuine Parts – Fuel Tank Lock Ring (Right) (Part No.TR26)

Fuel Tank Lock Ring (Right)

from

$16.99
GM Genuine Parts Fuel Tank Sender Retainers are designed, engineered, and tested to rigorous standards, and are backed by General Motors. These retainers help align and secure your vehicle’s fuel tank sender. 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:
  • Help align and secure fuel tank sender
  • 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
See More

GM Genuine Parts – Fuel Pump O-Ring (Part No.G41)

Fuel Pump O-Ring

from

$15.99
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
See More

Most Popular 2021 Cadillac Escalade ESV Oxygen Sensors

Customize your Cadillac with 3 Oxygen Sensors products like Oxygen Sensors, all priced under $287.99.

Bosch – OXYGEN SENSOR (Part No.18226)

OXYGEN SENSOR

from

$287.99
Bosch is the world¿s leading supplier and original equipment manufacturer of Oxygen Sensors. Bosch invented the automotive oxygen sensor and leads the way in sensor technology and innovation. From overall sensor design to the critical ceramic element, Bosch is known worldwide for quality and performance.

Product Features:
  • Advanced Wideband sensing element for exact air/fuel measurement
  • Robust sensor design increases sensor longevity
  • Seared protection tube due to 100% functional quality test
  • True Direct-fit
  • Pre-coated threads with anti-seize compound right out of the box
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NTK – Switching Oxygen Sensor: 1 Wire, 12.20" Long, Non-Heated, Direct Fit (Part No.21094)

Switching Oxygen Sensor: 1 Wire, 12.20" Long, Non-Heated, Direct Fit

from

$134.99
NTK is the sensor specialist for import and domestic applications. Established under the NGK product family, NTK oxygen sensors are part of our ongoing commitment to streamlining product types and increasing coverage. A ceramics company at our core, NTK utilizes advanced technology to control the ceramics used in our oxygen sensors, from raw material to finished product. NTK is the world’s largest supplier and manufacturer of original equipment oxygen sensors. Combining expertise and innovation, NTK oxygen sensors offer superior fit, form, and function. NTK oxygen sensors undergo extensive testing during manufacturing to ensure quality and reliability meet or exceed OE specifications. As new vehicles incorporate connected and automated technologies, trust The Sensor Specialist for comprehensive in-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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DENSO – Oxygen Sensor: 4 Wire, Direct Fit, Heated, Wire Length: 12.40" (Part No.234-8054)

Oxygen Sensor: 4 Wire, Direct Fit, Heated, Wire Length: 12.40"

from

$51.99
DENSO Oxygen Sensors are manufactured and tested to the strictest OE standards for unparalleled peformance; Each component is precision built for exact replacement, and a first time fit; This innovative line features DENSO’s exclusive aluminum oxide trap layer, designed to protect the ceramic element from silicone and lead posining for improved engine performance, greater fuel efficiency, and unparalleled longevity; DENSO gives you the right part and the right fit, the first time.
See More

Top Picks for 2021 Cadillac Escalade ESV Fuel Pumps

Upgrade Cadillac Escalade ESVs with top-quality Fuel Pumps parts, including 1 OEM and aftermarket selections for your 2021 model.

GM Genuine Parts – 4-Way Female Gray Multi-Purpose Pigtail (Part No.PT1402)

4-Way Female Gray Multi-Purpose Pigtail

from

$62.99
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
See More

In-Demand Fuel Injectors for 2021 Cadillac Escalade ESVs

Select from 10 premium Fuel Injectors parts for your 2021 Cadillac Escalade ESV, with prices ranging from $34.99 to $519.99.

Carquest Premium – Remanufactured GDI Fuel Injector (Part No.A511-1053)

Remanufactured GDI Fuel Injector

from

$112.99
CARQUEST’s line of remanufactured OEM fuel injectors are remanufactured using a proven 15 step process at a state-of-the-art remanufacturing facility in the U.S.A. Each injector is 100% tested under multiple operating conditions to ensure each injector meets or exceeds OE specifications for flow rate, spray pattern, coil resistance, form, fit and function. Each injector includes new external seals and o-rings.

Product Features:
  • Each unit is 100% tested to OE specifications.
  • Includes new O-rings and seals made of premium OE quality materials.
  • Includes application specific technical bulletin, where applicable.
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Carquest Premium – Remanufactured GDI Fuel Injector (Part No.A511-1123)

Remanufactured GDI Fuel Injector

from

$99.99
The CARQUEST line of remanufactured OEM fuel injectors are remanufactured using a proven 15 step process at a state-of-the-art remanufacturing facility in the USA Injectors are thoroughly tested under multiple operating conditions to ensure each injector meets or exceeds OE specifications for flow rate, spray pattern, coil resistance, form, fit and function.

Product Features:
  • Each unit is 100% tested to OE specifications.
  • Includes new O-rings and seals made of premium OE quality materials.
  • Includes application specific technical bulletin, where applicable.
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Carquest Premium – Reman GDI Fuel Injector – 8 Pack (Part No.A511-1053-8PK)

Reman GDI Fuel Injector - 8 Pack

from

$519.99
The Carquest line of remanufactured OEM fuel injectors are remanufactured using a proven 15 step process at a state-of-the-art remanufacturing facility in the USA. Injectors are thoroughly tested under multiple operating conditions to ensure each injector meets or exceeds OE specifications for flow rate, spray pattern, coil resistance, form, fit and function.

Product Features:
  • Includes eight premium fuel injectors
  • Each unit is 100% tested to OE specifications
  • Includes new o-rings and seals made of premium OE quality materials
  • Includes application specific technical bulletin, where applicable
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aFe POWER – Sprint Booster (Part No.77-14003)

Sprint Booster

from

$314.99
Silver Bullet throttle body spacers create turbulence in the air flow at the point just prior entry into the engine increasing horsepower, torque and improving throttle response and fuel efficiency. Silver Bullet throttle body spacers are constructed out of durable T-6061 billet aluminum and using a unique serrated/helix entry to create turbulence at the manifold while eliminating the annoying whistle found in other helix only throttle spacers.

Product Features:
  • Reduces Throttle Response Time
  • Improves Acceleration
  • Easy To Install
  • Does Not Affect The Vehicles Electronic System
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Carquest Premium – Premium GDI Seal Tool Kit (Part No.ATK-001)

Premium GDI Seal Tool Kit

from

$129.99
This premium tool kit is designed to ensure the correct installation of the combustion seal on Gasoline Direct Injectors (GDI), which require replacement any time the injector is reinstalled. This special tool allows for the expansion of the combustion seal to allow installation onto the injector’s tip and resizing tools to provide precise dimensioning to ensure proper combustion sealing. Constructed of high-quality stainless steel the tool will provide years of trouble-free service and can be used on over 100 unique styles of GDI injectors.

Product Features:
  • Includes two expansion cones
  • Includes two resizing tools
  • Includes one seal installation collet
  • Includes hard case
  • Includes instruction manual
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Carquest Premium – Reman GDI Fuel Injector (Part No.A511-1223)

Reman GDI Fuel Injector

from

$108.99
The CARQUEST line of remanufactured OEM fuel injectors are remanufactured using a proven 15 step process at a state-of-the-art remanufacturing facility in the USA. Injectors are thoroughly tested under multiple operating conditions to ensure each injector meets or exceeds OE specifications for flow rate, spray pattern, coil resistance, form, fit and function.

Product Features:
  • Each unit is 100% tested to OE specifications
  • Includes new o-rings and seals made of premium OE quality materials
  • Includes application specific technical bulletin, where applicable
  • Includes all necessary components to service the complete bank of injectors
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Carquest Premium – Reman GDI Fuel Injector (Part No.A511-1203)

Reman GDI Fuel Injector

from

$108.99
The CARQUEST line of remanufactured OEM fuel injectors are remanufactured using a proven 15 step process at a state-of-the-art remanufacturing facility in the USA. Injectors are thoroughly tested under multiple operating conditions to ensure each injector meets or exceeds OE specifications for flow rate, spray pattern, coil resistance, form, fit and function.

Product Features:
  • Each unit is 100% tested to OE specifications
  • Includes new o-rings and seals made of premium OE quality materials
  • Includes application specific technical bulletin, where applicable
  • Includes all necessary components to service the complete bank of injectors
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Carquest Premium – Remanufactured GDI Fuel Injector (Part No.A511-1183)

Remanufactured GDI Fuel Injector

from

$94.99
CARQUEST’s line of remanufactured OEM fuel injectors are remanufactured using a proven 15 step process at a state-of-the-art remanufacturing facility in the U.S.A. Each injector is 100% tested under multiple operating conditions to ensure each injector meets or exceeds OE specifications for flow rate, spray pattern, coil resistance, form, fit and function. Each injector includes new external seals and o-rings.

Product Features:
  • Each unit is 100% tested to OE specifications.
  • Includes new O-rings and seals made of premium OE quality materials.
  • Includes application specific technical bulletin, where applicable.
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Carquest Premium – Remanufactured GDI Fuel Injector (Part No.A511-1133)

Remanufactured GDI Fuel Injector

from

$69.99
The CARQUEST line of remanufactured OEM fuel injectors are remanufactured using a proven 15 step process at a state-of-the-art remanufacturing facility in the USA Injectors are thoroughly tested under multiple operating conditions to ensure each injector meets or exceeds OE specifications for flow rate, spray pattern, coil resistance, form, fit and function.

Product Features:
  • Each unit is 100% tested to OE specifications.
  • Includes new O-rings and seals made of premium OE quality materials.
  • Includes application specific technical bulletin, where applicable.
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Carquest Premium – Fuel Injector Seal Kit (Part No.AS063)

Fuel Injector Seal Kit

from

$34.99
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. Includes hard to find or previously dealer-only components. Use CARQUEST tool kit ATK-001 or equivalent for proper installation of combustion seal.

Product Features:
  • Premium OE quality materials
  • Includes four upper O-rings
  • Includes four body seals
  • Includes four combustion seals
  • Includes four retainer clips
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Most Sold 2021 Cadillac Escalade ESV Air Flow Sensors

Explore our best-selling Cadillac parts for the 2021 Escalade ESV among 4 OEM and aftermarket options starting from $11.99.

NTK – Manifold Absolute Pressure Sensor (Part No.MA0205)

Manifold Absolute Pressure Sensor

from

$51.99
Building upon a foundation of premium full-line products established under NGK ignition and 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. is the only OE supplier with a full line of technical sensors in the aftermarket for import and domestic vehicles. Drawing from OE experience, sensors undergo extreme testing conditions that include thermal shock, vibration and OBD verification. 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:
  • NTK’s Manifold Absolute Pressure Sensors are manufactured to operational performance standards to meet or exceed OE fit, form and function to ensure proper manifold pressure, fuel metering and ignition timing.
  • The Manifold Absolute Pressure Sensor (MAP) provides manifold pressure information to the Engine Control Unit (ECU). The data is used to determine the air mass flow rate and required fuel for optimum combustion and ignition timing.
  • Barometric Pressure Sensors are designed to meet or exceed OE specifications in form, fit and function to ensure proper engine calibration at varying pressures
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Delphi – Manifold Absolute Pressure Sensor (Part No.PS10247)

Manifold Absolute Pressure Sensor

from

$61.99
Delphi’s ever growing portfolio of high quality vehicle sensors are backed by stringent OE development and product validation methods. We offer a wide range of sensors, including ABS, camshaft, crankshaft, knock, EGT, MAP, temperature, throttle position, and vehicle speed sensors for a variety of vehicle applications. All of our sensors are tested and calibrated to OE standards, ensuring accurate readings, which helps to reduce comebacks.

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 – New MAP SENSOR (Part No.ECE1033)

New MAP SENSOR

from

$63.99
The Premium CarQuest Vehicle Solutions line is designed for OE form, fit and function for both import and domestic vehicles. The A/C Pressure Relief Valve is used in the automotive air conditioning system to prevent unusual over-pressure that may cause damage to critical components within the system or to the system as a whole. By opening it’s valve when the system pressure exceeds the preset pressure levels and closing when the internal pressure decreases to the preset pressure levels, proper factory designated system pressures are maintained.

Product Features:
  • Made to OE spec to ensure a proper fit, form and function.
  • Sensors are engineered for precision performance, durability and a long service life.
  • All units are tested using advanced end-of-line testing equipment that pressurizes the A/C Pressure Relief Valve and checks functionality to ensure each A/C Pressure Relief Valve meets manufacturing specifications before packaging.
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Carquest Premium – Ambient Air Temperature Sensor (Part No.WTA1221)

Ambient Air Temperature Sensor

from

$11.99
The temperature of various systems must be reported to the engine control module (ECM) as well as other operating system controllers in the vehicle. Coolant temperature, cabin temperature, exhaust temperature and ambient temperature are just a few systems reported by a temperature sensor. The temperature sensor is fed 5 volts by the systems computer, within the sensor housing will be a thermistor, or dropping resistor whose resistance value will change as the temperature surrounding it changes. Changing resistance in the circuit will change the volt signal at the processor indicating the current operating value.

Product Features:
  • Product constructed to meet all design and operating characteristics as intended by the vehicle manufacturer.
  • 100% thermo-shock and vibration tested to ensure superior performance in extreme conditions.
  • 100% end-of-line tested to ensure accurate signal output providing product reliability, every time.
  • Tin plated lead frame prevents corrosion and ensures a reliable terminal connection under adverse ambient conditions.
  • Lead frame terminal size and location determined using image dimension measuring system or 3D laser scanner.
  • Application matched components ensures system operation in like new condition.
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Top-Rated Fuel and Emissions Systems Brands For Your 2021 Cadillac Escalade ESV

Shop for the best-rated brands offering Fuel and Emissions Systems and other products for your 2021 Cadillac Escalade ESVs. Below you’ll find some of our best rated Fuel and Emissions Systems from GM Genuine, Carquest Premium, and Dorman, and more. Fuel and Emissions Systems from these brands that fit a 2021 Escalade ESV start at just $6.99 and are rated as high as 4.6 stars. OEM and aftermarket Fuel and Emissions Systems don’t get more top quality, durable, and affordable than from the brands below.

Popular GM Genuine 2021 Cadillac Escalade ESV Fuel and Emissions Systems

When it comes to maintaining or upgrading your 2021 Cadillac Escalade ESV, using quality Fuel and Emissions Systems is essential to ensure durability and a perfect fit. GM Genuine ticks all of those boxes. We offer a wide selection of GM Genuine Fuel and Emissions Systems, specifically designed for the 2021 Cadillac Escalade ESV. With over 1 GM Genuine brand Fuel and Emissions Systems in stock, you’re sure to find what you need. The prices for these top-notch parts start as low as $11.49. Plus, with over 2 customer reviews and an average rating of 4.6 stars, you can trust that our GM Genuine Fuel and Emissions Systems will get the job done right. Choose Advance Auto Parts for reliability, quality, and expert-approved parts that keep your vehicle running strong.
Parking Light Relay
from $11.49
(2)
Parking Light Relay
“Week of our first heatwave summer 2024, the part was needed for my ac. Located in another store, the staff made sure I had the part the same day for m”

Popular Carquest Premium 2021 Cadillac Escalade ESV Fuel and Emissions Systems

Carquest Premium auto parts is one of the highest quality Fuel and Emissions System brands in the market. Any 2021 Cadillac Escalade ESV owner should feel confident when installing genuine Carquest Premium parts in their vehicle. To ensure the best fit and performance for your 2021 Escalade ESV, Advance Auto Parts carries a full inventory of 1 Carquest Premium Fuel and Emissions Systems. Plus you will be keeping your Cadillac in peak condition while saving money because prices on these Carquest Premium Fuel and Emissions Systems range up to $16.99, plus, with more than 5 customer reviews and an impressive 4.4 stars average rating, you can be confident the Fram Fuel and Emissions Systems below will deliver on both quality and value.
Fuel Tank Lock Ring LO1582926
from $16.99
(5)
Fuel Tank Lock Ring LO1582926
“Seems like a nice quality part, installed nice, no complaints.”

FAQs for 2021 Cadillac Escalade ESV Fuel and Emissions Systems

Which Fuel and Emissions Systems are best-sellers for 2021 Cadillac Escalade ESVs?

Out of 31 Fuel and Emissions Systems that fit 2021 Cadillac Escalade ESVs, the following parts are the top sellers:

What’s the price range for 2021 Cadillac Escalade ESV Fuel and Emissions Systems?

Fuel and Emissions System prices for the 2021 Cadillac Escalade ESV start at $4.99 and go up to $519.99 for the most premium parts.

What’s the average price of a Fuel and Emissions System for a 2021 Cadillac Escalade ESV?

The average price for Fuel and Emissions Systems for the 2021 Cadillac Escalade ESV is $68.72. Keep in mind the variety of part types within our Fuel and Emissions System category so you are likely to find a wide range of prices across a variety of parts and components.

Does Advance Auto Parts sell Fuel and Emissions Systems for other Cadillac Escalade ESV model years?

Yes, we currently carry Fuel and Emissions Systems for 22 model years of Cadillac Escalade ESVs between 2003 and 2026. Fuel and Emissions Systems are bought most frequently for the following model years: 2023, 2022, 2020, 2019, 2018, 2017, 2016, 2015, and 2014.

What are the cheapest Fuel and Emissions Systems for my 2021 Cadillac Escalade ESV?

The cheapest 2021 Cadillac Escalade ESV Fuel and Emissions Systems we carry in stock are:

What are the top-rated Fuel and Emissions Systems that fit the 2021 Cadillac Escalade ESV?

Out of 252 reviews by customers, our 2021 Cadillac Escalade ESV Fuel and Emissions Systems have an average customer rating of . These are some of the highest-rated Fuel and Emissions System types for the 2021 Cadillac Escalade ESV and their top-rated products:

What types of Fuel and Emissions Systems do you sell for my 2021 Cadillac Escalade ESV?

Can I get help with 2021 Cadillac Escalade ESV Fuel and Emissions System orders?

Contact our customer support team, by chat or phone, through the help desk page, where you can find instant answers about Cadillac Fuel and Emissions Systems and more.

What is your return policy for Cadillac Escalade ESV Fuel and Emissions Systems?

Advance Auto Parts keeps returns simple. For new Cadillac Escalade ESV Fuel and Emissions Systems and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.