Hummer H3 Fuel and Emissions Systems

Essential Hummer H3 Fuel and Emissions Systems

Carquest Premium – Mass Air Flow Sensor (MAF) – 100% NEW (Part No.MQ6214)

Mass Air Flow Sensor (MAF) - 100% NEW

from

$68.99
Advance Auto Parts is proud to carry all new mass air flow sensors that use high-quality components with the highest quality standards.

Product Features:
  • CARQUEST MAF use all new high-quality components at the highest quality standards.
  • Manufactured with new and advanced technology to perform, fit and function at OE specifications.
  • All new product that is tested with OEM equipment to OEM standards
  • Outperforms competition when tested in extreme environmental conditions
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ACDelco – Oxygen Sensor (Part No.C5010307790ACD)

Oxygen Sensor

from

$94.59
The ACDelco GM Original Equipment Oxygen (O2) Sensor is a GM-recommended replacement for your vehicle’s original component. The Oxygen (O2) Sensor is a special feedback sensor on your vehicle’s exhaust system. This sensor measures the proportion of oxygen in the exhaust gases. Using this measurement, the engine management computer can adjust the air/fuel ratio near the optimum value of 14.7:1. At this ratio, engine performance, emissions, and fuel economy are all optimized. This original equipment oxygen sensor has been manufactured to fit your specific GM vehicle, providing the same performance, durability, and service life you expect from General Motors. When you are looking for a match to GM Original Equipment specifications in a replacement part for your GM vehicle, trust ACDelco to get the job done.

Product Features:
  • Detect oxygen content in the exhaust gases to optimize emissions and fuel economy
  • 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 – Multiport Fuel Injection Fuel Rail (Part No.12621662)

Multiport Fuel Injection Fuel Rail

from

$189.99
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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Dorman – Universal Fuel Line Retainer – 5/8 In. (Part No.800-041)

Universal Fuel Line Retainer - 5/8 In.

from

$12.29
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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Felpro – Fuel Injector O-Ring Kit (Part No.ES 73217)

Fuel Injector O-Ring Kit

from

$25.49
Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust

Product Features:
  • Meets or exceeds all original equipment specifications
  • Application specific design to ensure a perfect fit
  • Engineered for the sealing repair environment
  • Unsurpassed quality you can trust
  • Validated for fit, form, and function
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Driveworks – MAP Sensor (Part No.31429)

MAP Sensor

from

$89.05
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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Felpro – Exhaust Gas Recirculation (EGR) Valve Gasket (Part No.70947)

Exhaust Gas Recirculation (EGR) Valve Gasket

from

$2.79
Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust

Product Features:
  • Meets or exceeds all original equipment specifications
  • Application specific design to ensure a perfect fit
  • Engineered for the sealing repair environment
  • Validated for fit, form and function
  • Unsurpassed quality you can trust
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ACDelco – Fuel Pressure Sensor (Part No.C3001581025ACD)

Fuel Pressure Sensor

from

$44.57
The ACDelco GM Original Equipment Fuel Pressure Sensor is a GM-recommended replacement for your vehicle’s original component. The Fuel Pressure Sensor sends fuel pressure information to the powertrain control module, which uses the data to adjust fuel delivery parameters. This original equipment fuel pressure sensor has been manufactured to fit your specific GM vehicle, providing the same performance, durability, and service life you expect from General Motors.

Product Features:
  • Undergo the same stringent testing process as the original part
  • 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 Hose (Part No.20907779)

Vapor Canister Vent Hose

from

$203.99
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 Premium – Oxygen Sensor Connector (Part No.PTA1687)

Oxygen Sensor Connector

from

$47.99
CARQUEST premium engine management products provide the right products for a wide range of domestic and import applications. Delivering the highest performance and durability under demanding conditions.

Product Features:
  • Premium quality materials for longer service life
  • Sealed connections (where applicable) to prevent environmental corrosion and performance issues
  • Global coverage for import and/or domestic applications
  • OE specified wire gauge to ensure a reliable electrical connection
  • Designed to meet or exceed OE specifications in form, fit and function
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GM Genuine Parts – Mass Airflow Sensor Gasket (Part No.15813321)

Mass Airflow Sensor Gasket

from

$13.29
GM Genuine Parts Mass Air Flow Sensor Gaskets 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 – Diverter Valve Gasket (Part No.EVA1081)

Diverter Valve Gasket

from

$5.99
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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ACDelco – Vapor Canister Purge Valve (Part No.214-1680)

Vapor Canister Purge Valve

from

$59.99
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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Carquest Premium – Vapor Canister (Part No.CPN1167)

Vapor Canister

from

$384.99
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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ACDelco – GM Original Equipment Fuel Tank Sending Unit Lock Ring (Part No.E2029575746ACD)

GM Original Equipment Fuel Tank Sending Unit Lock Ring

from

$18.63
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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Carquest Premium – Ambient Air Temperature Sensor (Part No.WTC1157)

Ambient Air Temperature Sensor

from

$30.99
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 – Body Bolt – M6-1.0 X 25mm (Part No.963-232D)

Body Bolt - M6-1.0 X 25mm

from

$4.49
These bolts are manufactured using durable materials and corrosion-tested to ensure required strength and longevity.

Product Features:
  • Durable materials – manufactured to specific thread tolerance standards
  • Corrosion tested – hardware undergoes salt spray testing to ensure corrosion resistance
  • Multipurpose usefulness – can be used in a variety of applications, from auto to home
  • Trustworthy quality – backed by team of professional engineers and quality control specialists in the United States
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Dorman – Cam, Crank, Mass Air Flow Sensor Connector (Part No.645-785)

Cam, Crank, Mass Air Flow Sensor Connector

from

$37.99
Our multi-purpose pigtail connectors are engineered with extra long leads and include all necessary butt connectors for a complete repair.

Product Features:
  • Direct replacement for a proper fit every time
  • No special tools required for installation
  • Easy to install
  • Manufactured to strict engineering quality standards
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GM Genuine Parts – Fuel Pump Flow Control Module (Part No.20759945)

Fuel Pump Flow Control Module

from

$189.99
GM Genuine Parts Fuel Pump Control Modules are designed, engineered, and tested to rigorous standards, and are backed by General Motors. These modules help relay power to your vehicle’s fuel pump. 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:
  • This part requires programming and/or special setup procedures. GM Service Information describes the procedures and special tools needed to ensure proper operation in the vehicle
  • Helps power the fuel pump
  • Helps your vehicle to idle smoothly
  • 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 – Multi-Port Fuel Inject Rail Kit with Valve and Cap (Part No.12574343)

Multi-Port Fuel Inject Rail Kit with Valve and Cap

from

$111.99
GM Genuine Parts Fuel Injector Rail Kits 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 – Fuel Tank Lock Ring (Right) (Part No.TR26)

Fuel Tank Lock Ring (Right)

from

$12.99
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

Dorman – Fuel Line Retaining Clip (Part No.800-023)

Fuel Line Retaining Clip

from

$6.99
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 – Fuel Pump O-Ring (Part No.G41)

Fuel Pump O-Ring

from

$12.99
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

Carquest Premium – Multi Purpose Relay (Part No.RAA1791)

Multi Purpose Relay

from

$16.79
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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GM Genuine Parts – Black Multi-Purpose Relay (Part No.21997416)

Black Multi-Purpose Relay

from

$19.99
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
See More

Helping You Find the Right Fuel and Emissions Systems for Your Hummer H3

You love your H3. So we’ve made it easier than ever to help you find Hummer H3 Fuel and Emissions Systems in our online catalog. Our inventory holds 180 aftermarket and OEM Fuel and Emissions Systems for your Hummer H3, ranging from $1.79 to $568.99.

We offer parts from 21 brands trusted to make quality Fuel and Emissions Systems for your Hummer H3. Before you buy, take some time to read through customer reviews. We currently have 5,324 reviews of Hummer H3 Fuel and Emissions Systems from previous customers. Some of the top rated parts include Locking Fuel Cap: 10511, Twist-Lock, Direct Fit, Provides Tight Seal, 1 Pack with 4.6 stars and Fuel Line Retaining Clip with 4.6 stars.

Find your H3 Fuel and Emissions Systems here, order online, and have your order shipped directly to your home. Prefer to have an in-person look at your Hummer H3 part to confirm it’s just right? You can find your nearest Advance Auto Parts store and confirm they have the part in stock before heading over.

Top Fuel and Emissions Systems Brands for Your Hummer H3

Our inventory holds Fuel and Emissions Systems for your Hummer H3 from 21 trusted brands. You’ll find OEM and aftermarket parts from brands like Carquest Premium, Bosch, and AC Delco, all of which can keep that Hummer happy.
We have Carquest parts available for your Hummer H3 in categories like Fuel Injectors. Some of the top-rated Carquest parts in these categories are:
Fuel Injector
from $67.99
(1)
Fuel Injector
Fuel Injectors
Fuel Injector
from $65.99
(2)
Fuel Injector
Fuel Injectors

Top-Rated DENSO Fuel and Emissions Systems

Leading DENSO Fuel and Emissions Systems

We carry DENSO brand parts for your Hummer H3 across several catalog categories, including Oxygen Sensors. Some of our most reviewed DENSO parts include:

FAQs for Hummer H3 Fuel and Emissions Systems

What are the most purchased Fuel and Emissions Systems for the Hummer H3?

Out of 180 Fuel and Emissions Systems for the Hummer H3, the most popular in our inventory are:
Vapor Canister Purge Valve
from $59.99
(18)
Vapor Canister Purge Valve
Vapor Canister Purge Valves

What are the top-rated Hummer H3 Fuel and Emissions Systems?

Top-rated Fuel and Emissions Systems for your Hummer H3 based on customer reviews/ratings are:
Locking Fuel Cap: 10511, Twist-Lock, Direct Fit, Provides Tight Seal, 1 Pack
from $27.49
(39)
Locking Fuel Cap: 10511, Twist-Lock, Direct Fit, Provides Tight Seal, 1 Pack
“Very good. Now I can lock my gas cap”
Fuel Line Retaining Clip
from $6.99
(22)
Fuel Line Retaining Clip
“fit perfect,”
Air Flow Sensor - New Actual OE Part
from $56.99
(14)
Air Flow Sensor – New Actual OE Part
“great product”