1998 Subaru Forester Fuel and Emissions Systems

Name: Fuel Cap Tester Adapter
Brand: Carquest Premium
SKU: 12422
Price: 39.99 USD

Below you will find various in-demand Subaru Fuel and Emissions Systems, components and accessories for your 1998 Forester. Advance Auto Parts has popular Forester parts like Fuel Pumps, Air Flow Sensors, Oxygen Sensors and more. You’ll also find aftermarket and OEM Fuel and Emissions Systems for other Forester model years including 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023 and more. Select a category of 1998 Subaru Forester Fuel and Emissions Systems below and start saving instantly.

Popular 1998 Subaru Forester Fuel and Emissions Systems Categories

Fuel Tank Cleaning Kits

Air Flow Meters and Mass Air

Gas Caps

Fuel Pumps

Oxygen Sensors

Vapor Canister Vent Solenoids

Vapor Canister Vent Valves

Manifold Air Pressure Sensors

Canister Purge Solenoids

Fuel Injection Idle Air Control Valves

Fuel Injector O-Ring Kits

Electric Pump Filter and Strainers

Fuel Injection Idle Air Control Valve Gaskets

Fuel Tank Straps

EGR Vacuum Modulators

Fuel Tank Lock Rings

Fuel Tank Filler Necks

Fuel Pump Tank Seals

EGR Valve Gaskets

Fuel Cap Tester Adapters

Essential Fuel and Emissions Systems for 1998 Subaru Foresters

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$39.99

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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$67.99

New Platinum Pro Electric Fuel Pump, New Strainer Required For Warranty

Product Features:

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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$363.99

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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$127.99

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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$137.99

Maximize your vehicle’s efficiency and emissions control with Carquest Vapor Canister Purge Solenoids. Engineered for precision, these solenoids seamlessly regulate the flow of fuel vapors from the Vapor Canister to the engine for cleaner combustion, reducing harmful emissions. Built to meet and/or exceed OEM standards, Carquest Purge Solenoids offer reliable functionality, long-lasting durability, and easy installation.

Product Features:

Enhances overall engine performance by providing proper vapor flow to maintain correct air-fuel mixture.
Helps reduce harmful emissions and ensures compliance with environmental regulations by controlling the release of fuel vapors into the engine
Ensures precise operation with electromagnetic principles to control the flow of fuel vapors from the carbon canister to the engine
Manufactured from high quality engineered materials, resistant to fuel vapors and extreme temperatures, ensuring long lasting performance
Meets or exceeds all OEM specifications

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$98.99

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 perfomance, 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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$235.99

Carquest Premium exhaust gas recirculation (EGR) valves are designed to perform in harsh engine environments and meet or exceed original equipment (O.E.) specifications. Our Carquest Premium EGR valves are built by manufacturers that meet IATF 16949 certified framework, an internationally recognized proof of quality in the automotive industry. Carquest Premium EGR valves undergo extensive validation testing to ensure long-lasting performance and reliability. Carquest Premium EGR valves are part of our Carquest Vehicle Solutions, which is a full line of engine management and electronics products that help control ignition, fuel delivery and emission systems. Carquest Vehicle Solutions are OE-quality parts designed, engineered and tested by world-class manufacturers to ensure a reliable and long-lasting repair.

Product Features:

Designed to meet or exceed OE specifications for fit, form and function
Precision engineering and robust design to withstand harsh under hood environment
Gaskets or seals are included if required for installation
Extensive design validation testing and 100% end-of-line tested
Where applicable stainless-steel sleeves used over cold rolled sleeves providing smooth EGR pintle operation under all operating conditions.
Carquest Vehicle Solutions Technical Support available from ASE certified technicians: 1-866-687-5413

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$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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$134.99

WVE is a leading source of advanced vehicle electronics components for replacement applications in the automotive aftermarket and original equipment applications. WVE offers high-technology manufacturing along with innovative solutions and improvements to

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$24.99

Product Features:

Protects your fuel from theft and vandalism
Passes all state and federal emissions tests
Manufactured from durable, long-life materials
Manufactured from durable, long-life materials
Reduces air pollution with proper sealing and venting
Independently tested for emission control

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$61.99

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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$10.99

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

Product Features:

Meets or exceeds OE specifications for fit, form and function
100% carbon commutators provide resistance to aggressive fuels and double the life expectancy of the pump
OE upgraded turbine impellers greatly reduce fuel pulsation
All fuel pumps are 100% performance tested

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$178.99

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

Product Features:

Unit is designed to OE fit, form and function requirements accomplished by leveraging our expertise
Direct fit ensures safe, secure fuel tank installation
Product individually packaged and labeled to help reduce product damage prior to installation
Industry leading coverage on straps for plastic tanks
Manufactured with double-layered steel on the mounting brackets for a more robust solution

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$9.99

The Fuel Injection Idle Air Control Valve controls the engine idle speed by allowing air to bypass the closed throttle plate. The idle air control valve gasket should be replaced any time the valve is removed for cleaning or service.

Product Features:

Application matched component to ensure the system can be returned to like new condition.
Product constructed to meet all design and operating characteristics as intended by the vehicle manufacturer.

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$57.99

This EGR vacuum modulator is designed to match the fit and function of the original modulator on specified applications, and is engineered for reliable performance and durability.

Product Features:

Direct replacement – this EGR transducer is designed to match the fit and function of the original modulator on specified application
Restores functionality – reliable replacement for an original part that 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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$105.99

A malfunctioning vapor canister vent solenoid can cause the engine light to come on. This vapor canister vent solenoid is engineered of quality materials for durability to ensure proper operation of the vehicle’s evaporative emissions system.

Product Features:

Direct replacement – this vapor canister vent solenoid fits and performs like original equipment with simple plug-and-play installation
Quality construction – manufactured from premium materials for a long service life
Excellent value – original equipment function at a lower price
Quality tested – has undergone simulation and endurance testing to ensure proper fit and performance

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$15.99

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

Product Features:

Engineered to meet or exceed all OEM specifications.

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$402.99

Carquest Premium idle air control valves are designed to perform in harsh engine environments and meet or exceed original equipment (O.E.) specifications. Idle air control valves, or sometimes known as idle air motors, are used to maintain the engine speed at idle by precisely adjusting the amount of air allowed to enter the intake. Our Carquest Premium idle air control (IAC) valves are built by manufacturers that meet IATF 16949 certified framework, an internationally recognized proof of quality in the automotive industry. Carquest Premium idle air control valves undergo extensive validation testing to ensure long-lasting performance and reliability. Carquest Premium idle air control valves are part of our Carquest Vehicle Solutions, which is a full line of engine management and electronics products that help control ignition, fuel delivery and emission systems. Carquest Vehicle Solutions are OE-quality parts designed, engineered and tested by world-class manufacturers to ensure a reliable and long-lasting repair.

Product Features:

Designed to meet or exceed OE specifications for fit, form and function
Precision engineering and robust design to withstand harsh under hood environment
Gaskets or seals are included if required for installation
Extensive design validation testing and 100% end-of-line tested
Carquest Vehicle Solutions Technical Support available from ASE certified technicians: 1-866-687-5413

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$256.99

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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$191.99

DENSO’s innovated designs reduces the size and weight which allows for easy installation. Glass film coated sensing elements reduces contamination exposure and improves reliability.

Product Features:

OE technology adapted for the aftermarket
Reduces emissions, increased performance
Delivers the highest reliability and detection accuracy

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$14.99

A recommended replacement whenever the sending unit is serviced, this fuel tank lock ring is a direct match for the original part. Designed for a secure fit, it’s manufactured from durable materials for reliable service.

Product Features:

Direct replacement – this fuel tank lock ring matches the fit, function and performance of the original part
Ideal solution – recommended for replacement whenever the sending unit is serviced to ensure a secure connection to the fuel tank
Durable construction – manufactured from quality materials for superior service and reliability
Trustworthy design – backed by a team of product designers and engineers with over 100 years of automotive aftermarket experience

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$4.49

Fel-Pro gaskets are specifically designed for the repair environment to deliver a reliable seal on even the most troublesome applications. Designed for imperfect sealing surfaces and manufactured with proprietary materials, you can count on Fel-Pro for innovative sealing solutions for the real-world repair environment.

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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$841.99

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

Product Features:

Reliable replacement – this fuel tank directly replaces the original fuel tank on specified vehicle years, makes and models
Durable construction – this fuel tank is made from the same rugged materials as the original part for dependable service
Quality assured – this part has been validated to ensure a quality fit and long service life
Trustworthy design – backed by team of product specialists in the United States

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$126.99

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

Product Features:

Direct replacement – this fuel filler neck is made to match the original equipment on specific vehicles
Durable construction – made of corrosion-resistant materials to reduce future failure potential
Regulatory compliant – built to meet emission and inspection standards
Trustworthy value – backed by team of engineers and quality control experts in the United States

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$167.99

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

Product Features:

Unit is designed to OE fit, form and function requirements accomplished by leveraging our OE fuel system design expertise
Unit is dual coated for enhanced corrosion protection
Fit tested on the very same vehicle application for which it was developed verifying first-hand that the design fits properly and can be easily installed
Unit is leak tested after production to ensure product in free from fuel and / or evaporative leaks
Tested with OE fuel cap to prevent evaporative emission and check engine light failure

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$25.99

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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$7.49

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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$8.99

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

Upgrade your 1998 Subaru Forester with Top-Quality Fuel and Emissions Systems

When it comes to maintaining or upgrading your 1998 Subaru Forester, nothing is more important than using high-quality OEM or aftermarket parts that you can trust. Whether you’re repairing damage to your Subaru or enhancing its overall performance, Fuel and Emissions Systems are key to keeping your Forester functioning at its best. At Advance Auto Parts, we offer a wide selection of 53 Fuel and Emissions Systems for the 1998 Subaru Forester, designed to meet your needs without breaking the bank. From Fuel Pump replacements to Air Flow 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 1998 Subaru Forester at great prices. Our Fuel and Emissions Systems inventory for this model ranges from just $7.99 to $841.99, with an average price of $106.10. Our 53 Fuel and Emissions Systems in stock come from 12 trusted brands, so you’re sure to find the right part for your 1998 Subaru Forester 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 1998 Subaru Forester, we stock popular OEM and aftermarket Fuel and Emissions Systems from top names like DENSO, Carquest Premium, Dorman, and more. DENSO Fuel and Emissions Systems start at just $98.99 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 $11.99, and at an average 4.4 stars rating. With 1,323 customer reviews and counting, our 1998 Subaru Forester 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 1998 Subaru Forester is always ready to roll. We’re committed to providing you with everything you need to keep your Forester in top shape, all in one place. Start shopping confidently below for your 1998 Subaru Forester!

Best-Selling Fuel Pumps for 1998 Subaru Foresters

Enhance the driving experience in your Subaru with 8 quality Fuel Pump components, starting at $17.79.

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$123.99

As the innovator and leader in fuel supply technology, DENSO has conducted superior testing and inspection processes to insure the highest quality fuel supply product. Don’t be fooled by imitations – look for the DENSO name to be sure you’re getting the best.

Product Features:

First Time Fit
Built to DENSO Original Equipment Standards

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$45.99

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

Product Features:

Meets or exceeds OE specifications for fit, form and function
100% carbon commutators provide resistance to aggressive fuels and double the life expectancy of the pump
OE upgraded turbine impellers greatly reduce fuel pulsation
All fuel pumps are 100% performance tested

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$148.99

Delphi is a Tier 1 supplier to the majority of global vehicle manufacturers and has been a manufacturer of dependable fuel pumps and fuel delivery parts for over 80 years. With over 30 OE-proprietary innovations and 150 patents in fuel technologies, Delphi is regarded as a market leader in North American fuel management with sales coverage at over 95%. Learn more about our expert-led training programs and tech hotline at 1-877-463-3574. 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:

Delphi is a global OE manufacturer and all fuel pumps are built to Delphi’s OE standards
Delphi pumps are designed to operate under extreme temperatures with quick engine starts and to avoid low-fuel hesitation, including alcohol fuels and blends
Improved pump performance as a result of Delphi’s innovative design and durability
Restores fast pressure performance and system integrity, translating to better pumping through less energy
Part is validated, tested and matched to the right vehicle application
Lower amperage draws less load on vehicle’s electrical system
Always be sure to check and clean fuel tank to avoid unnecessary returns
Always replace the fuel strainer when doing a fuel pump repair

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$38.99

Filtration performance and micron rating meet or exceed OE requirements
OE replacement strainer designed for use with Delphi electric fuel pumps
Replacing the strainer is always recommended when replacing a fuel pump

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$62.99

New Platinum Pro Electric Fuel Pump, New Strainer Required For Warranty

Product Features:

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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$30.99

Meets or exceeds OE specifications for fit, form and function
100% carbon commutators provide resistance to aggressive fuels and double the life expectancy of the pump
OE upgraded turbine impellers greatly reduce fuel pulsation
All fuel pumps are 100% performance tested

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$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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$17.79

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

Most Popular 1998 Subaru Forester Air Flow Sensors

Customize your Subaru with 1 Air Flow Sensors products like Manifold Air Pressure Sensors, all priced under $337.99.

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$337.99

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.

Top Picks for 1998 Subaru Forester Oxygen Sensors

Upgrade Subaru Foresters with top-quality Oxygen Sensors parts, including 6 OEM and aftermarket selections for your 1998 model.

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$68.99

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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$98.99

DENSO Oxygen Sensors are manufactured and tested to the strictest OE standards for unparalleled performance. 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 poisoning for improved engine performance, greater fuel efficiency, and unparalleled longevity. DENSO gives you the right part and the right fit.

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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$79.99

Premium Bosch oxygen sensors are designed to improve fuel economy while reducing harmful emissions
Includes Smart Link Connector, no soldering required
No special tools required for installation
Seared protection tube due to 100% functional quality test
Performance meets or exceeds OE specifications

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$46.99

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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$84.99

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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$82.99

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

In-Demand Gas Caps for 1998 Subaru Foresters

Select from 13 premium Gas Caps parts for your 1998 Subaru Forester, with prices ranging from $7.99 to $24.99.

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$11.99

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:

Passes all state and federal emissions tests
Independently tested for emission control
Independently tested for emission control
Protects your fuel from theft and vandalism
Reduces air pollution with proper sealing and venting
Manufactured from durable, long-life materials

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$14.99

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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$15.49

Product Features:

Reduces air pollution with proper sealing and venting
Manufactured from durable, long-life materials
Reduces air pollution with proper sealing and venting
Independently tested for emission control

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$15.99

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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$24.99

Protects your fuel from theft and vandalism
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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$16.99

Product Features:

Passes all state and federal emissions tests
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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$23.99

Product Features:

Protects your fuel from theft and vandalism
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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$21.79

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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$22.99

Product Features:

Protects your fuel from theft and vandalism
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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$7.99

Passes all state and federal emissions tests
Independently tested for emission control
Independently tested for emission control
Protects your fuel from theft and vandalism
Reduces air pollution with proper sealing and venting
Manufactured from durable, long-life materials

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$24.29

Come pre-assembled for quick and easy installation.
Several fastener options to work with any fuel cap compartment configuration
Fits vehicles orginally equipped with tether
Reduces air pollution with proper sealing and venting
Manufactured from durable, long-life materials

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$11.79

Passes all state and federal emissions tests
Independently tested for emission control
Independently tested for emission control
Protects your fuel from theft and vandalism
Reduces air pollution with proper sealing and venting
Manufactured from durable, long-life materials

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$10.99

Passes all state and federal emissions tests
Independently tested for emission control
Independently tested for emission control
Protects your fuel from theft and vandalism
Reduces air pollution with proper sealing and venting
Manufactured from durable, long-life materials

Most Sold 1998 Subaru Forester Fuel Injectors

Explore our best-selling Subaru parts for the 1998 Forester among 8 OEM and aftermarket options starting from $8.99.

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from

$61.99

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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$8.99

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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$159.99

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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$269.99

Hitachis Air Flow Sensors (MAFs) measure the amount and characteristics of air entering the engine. Hitachi uses precision elements and high-quality components for enhanced durability and accurate air flow measurements. Hitachi MAFs are 100% air flow tested for ideal performance and are calibrated for each application ensuring your vehicle meets the strict emission standards set by the manufacturer. Details such as a contaminant bypass port (when applicable) and protected circuitry providing a durable and reliable product approved by OE manufacturers makes Hitachis air flow sensors the premium choice.

Product Features:

Hitachi is a Tier 1 OE supplier for air flow sensors
100% NEW, never remanufactured
Hitachi’s advanced precision elements and high quality components provide enhanced durability. We feature exact fitment and calibration for each vehicle, which assists engine efficiency and fuel mileage. Our sensors are 100% air flow tested to meet exac
Precision manufactured and assembled sensing elements for accurate air flow measurements

from

$269.99

Every single Delphi mass air flow (MAF) sensor that we manufacture – whether with or without the housing – is built with calibrated all-new components and is never remanufactured. Our mass air flow sensors are designed and tested to meet or exceed OE requirements, and engineered for a perfect fit in more than 180 million vehicles on the road today in North America – including makes from Ford, Toyota, Nissan, Volkswagen, Hyundai, BMW, Honda, GM, Mazda, Subaru, Acura and more.

Product Features:

Delphi mass air flow sensors are the global benchmark for accuracy and signal noise
Delphi mass air flow sensors feature high quality sensing elements for outstanding performance over a wide range of ambient temperatures
Delphi is a manufacturer of OE mass air flow sensors since their first use over 30 years ago
All parts are calibrated and tested to match the OE part
Probe solution offered wherever possible to reduce repair time by eliminating the need to replace the flow tube.
Delphi OE technology validated to match the vehicle applications

from

$236.99

CARDONE Remanufactured Mass Air Flow Sensors (MAFS) precisely track O.E. output curves and maintain specific tolerances to ensure accurate scan tool readings for proper operation. 100 percent re-soldering of critical components ensures superior electrical connections, eliminates intermittent failures and lengthens product life. With CARDONE Mass Air Flow Sensors (MAFS), you can expect smooth vehicle performance.

Product Features:

100 percent re-solder of critical components ensures superior electrical connections, no intermittent failures and longer product life.
On-car vehicle validation routines ensure that modules meet all form, fit, durability and performance requirements.
All modules are 100 percent tested with automated computer test equipment to ensure full functionality and reliability.
Our sensors precisely track O.E. output curves and maintain spec tolerances to ensure accurate feedback to the vehicle’s engine control management system.
Components are rated to handle demanding temperature variations for optimum reliability in every environment.
As a remanufactured Original Equipment part, this unit guarantees a perfect vehicle fit.
Our remanufacturing process is earth-friendly, as it reduces the energy and raw material needed to make a new part by 80 percent.

from

$147.99

Precision is key for the fuel pressure regulator on any vehicle. At Delphi, we use OE engineering to test our regulators and fuel technologies to ensure the utmost performance and durability. Our Nitrile¿ diaphragms are resilient against high-ethanol fuels, and we utilize two designs to help meet emissions standards while covering a wide array of domestic vehicles. With over 30 OE-proprietary innovations and 150 patents in fuel technologies, Delphi is regarded as a market leader in North American fuel management. 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:

Precisely manufactured internal valves, diaphragms and springs means excellent performance under all engine operating conditions
Quiet operation, no audible regulator noise
Robust diaphragm materials means longer life, improved durability and compatibility with a wide range of fuels
Consistent and predictable fuel pressure throughout system range of control provides great drivability

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$134.99

Top-Rated Fuel and Emissions Systems Brands For Your 1998 Subaru Forester

Shop for the best-rated brands offering Fuel and Emissions Systems and other products for your 1998 Subaru Foresters. Below you’ll find some of our best rated Fuel and Emissions Systems from DENSO, Carquest Premium, and Dorman, and more. Fuel and Emissions Systems from these brands that fit a 1998 Forester start at just $11.99 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 DENSO 1998 Subaru Forester Fuel and Emissions Systems

When it comes to maintaining or upgrading your 1998 Subaru Forester, using quality Fuel and Emissions Systems is essential to ensure durability and a perfect fit. DENSO ticks all of those boxes. We offer a wide selection of DENSO Fuel and Emissions Systems, specifically designed for the 1998 Subaru Forester. With over 2 DENSO 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 $98.99, with an average price of just $111.49. Plus, with over 2 customer reviews and an average rating of 4.6 stars, you can trust that our DENSO 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.

from $98.99

(1)

Oxygen Sensor: 3 Wire, 17.83" Long, Heated, Exact Fit

“I’m liking it. Works very well. Check engine light went out too.”

from $123.99

(1)

Original Equipment Quality Electric Fuel Pump

“This was a direct fit fuel pump and if the connector doesn’t fit they send with it a pigtail and butt connectors I would recommend getting heat shrink”

Popular Carquest Premium 1998 Subaru Forester Fuel and Emissions Systems

Carquest Premium auto parts is one of the highest quality Fuel and Emissions System brands in the market. Any 1998 Subaru Forester owner should feel confident when installing genuine Carquest Premium parts in their vehicle. To ensure the best fit and performance for your 1998 Forester, Advance Auto Parts carries a full inventory of 3 Carquest Premium Fuel and Emissions Systems. Plus you will be keeping your Subaru in peak condition while saving money because prices on these Carquest Premium Fuel and Emissions Systems range from $11.99 to $61.99, plus, with more than 41 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.

from $61.99

(1)

Remanufactured Fuel Injector

“Works great, very glad that remanufactured injectors are available. Less than half the price of new!”

from $11.99

(3)

Keyed Alike Locking Fuel Cap

“Worked fine”

from $14.99

(37)

Fuel Cap: Round, Direct Fit, Provides Tight Seal, 1 Pack

“Works Great”

FAQs for 1998 Subaru Forester Fuel and Emissions Systems

Which Fuel and Emissions Systems are best-sellers for 1998 Subaru Foresters?

Out of 53 Fuel and Emissions Systems that fit 1998 Subaru Foresters, the following parts are the top sellers:

Fuel Cap: Round, Direct Fit, Provides Tight Seal, 1 Pack (18481528) – $14.99
Non-Locking Tethered Fuel Tank Cap (12102600) – $24.29
Fuel Pump (11646264) – $45.99

What’s the price range for 1998 Subaru Forester Fuel and Emissions Systems?

Fuel and Emissions System prices for the 1998 Subaru Forester start at $7.99 and go up to $841.99 for the most premium parts.

What’s the average price of a Fuel and Emissions System for a 1998 Subaru Forester?

The average price for Fuel and Emissions Systems for the 1998 Subaru Forester is $106.10. 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 Subaru Forester model years?

Yes, we currently carry Fuel and Emissions Systems for 26 model years of Subaru Foresters between 1999 and 2025. Fuel and Emissions Systems are bought most frequently for the following model years: 2023, 2022, 2021, 2020, 2019, 2018, 2017, 2016, and 2015.

What are the cheapest Fuel and Emissions Systems for my 1998 Subaru Forester?

The cheapest 1998 Subaru Forester Fuel and Emissions Systems we carry in stock are:

Keyed Alike Locking Fuel Cap (10069213) – $7.99
FUEL INJECTOR O-RING SET (19780302) – $8.99
Fuel Injection Idle Air Control Valve Gasket (50031855) – $9.99
Keyed Alike Locking Fuel Cap (10069215) – $10.99
Keyed Alike Locking Fuel Cap (10069222) – $11.79

What are the top-rated Fuel and Emissions Systems that fit the 1998 Subaru Forester?

Out of 1,323 reviews by customers, our 1998 Subaru Forester Fuel and Emissions Systems have an average customer rating of . These are some of the highest-rated Fuel and Emissions System types for the 1998 Subaru Forester and their top-rated products:

Vapor Canister Purge Valves
- Evaporative Emissions Canister Vent Valve (10050518) – $105.99

What types of Fuel and Emissions Systems do you sell for my 1998 Subaru Forester?

As of 11/2/25, these are some of the most in-demand types of Fuel and Emissions Systems for a 1998 Subaru Forester:

Can I get help with 1998 Subaru Forester 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 Subaru Fuel and Emissions Systems and more.

What is your return policy for Subaru Forester Fuel and Emissions Systems?

Advance Auto Parts keeps returns simple. For new Subaru Forester 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.

1998 Subaru Forester Fuel and Emissions Systems

Carquest Premium – Fuel Cap Tester Adapter (Part No.12422)

KAI – Electric Fuel Pump (Part No.FMD010095)

Carquest Premium – Manifold Absolute Pressure Sensor (MAP) (Part No.ECE1501)

Dorman – Evaporative Emissions Charcoal Canister (Part No.911-296)

Carquest Premium – Vapor Canister Purge Solenoid (Part No.CPC1168)

Carquest Premium – Vapor Canister Vent Valve: Includes Mounting Hardware (Part No.CPC1123)

Carquest Premium – EGR Valve (Part No.EGA2575)

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

Wells Vehicle Electronics – Fuel Injection Pressure Regulator (Part No.5G1321)

Carquest Premium – Locking Fuel Tank Cap (Part No.10512)

Carquest Premium – Remanufactured Fuel Injector (Part No.A218-1104)

Carquest Premium – Fuel Pump Strainer FS2510497 (Part No.FS2510497)

Spectra Premium – Fuel Tank Strap (Part No.ST363)

Carquest Premium – Fuel Injection Idle Air Control Valve Gasket (Part No.ABA1164)

Dorman – Exhaust Gas Recirculation Modulator (Part No.911-609)

Dorman – Evaporative Emissions Canister Vent Valve (Part No.911-650)

Carquest Premium – Fuel Pump Tank Seal (Part No.TS2542011)

Carquest Premium – Idle Air Control Valve (Part No.ABC1968)

Bosch – Wideband Oxygen Sensor: 4 Wire, 16.54" Long, Heated, Exact Fit (Part No.18081)

DENSO – Mass Air Flow Sensor (Part No.197-6040)

Dorman – Fuel Tank Lock Ring – Direct replacement (Part No.579-224)

Felpro – Exhaust Gas Recirculation (EGR) Valve Gasket (Part No.71218)

Dorman – Fuel Tank with Lock Ring and Seal (Part No.576-634)

Dorman – Fuel Tank Filler Neck (Part No.577-086)

Spectra Premium – Fuel Filler Neck (Part No.FN669)

Felpro – Fuel Injector O-Ring Kit (Part No.ES 73035)

Felpro – Fuel Injector O-Ring Kit (Part No.ES 73202)

Felpro – FUEL INJECTOR O-RING SET (Part No.ES 70600)

DENSO – Original Equipment Quality Electric Fuel Pump (Part No.951-0007)

Carquest Premium – Fuel Pump (Part No.E295017)

Delphi – Electric Fuel Pump: With Hose Clamps, Hose Piece, Isolator, Pall Nut, Seal (Part No.FE0150)

Delphi – Fuel Pump Strainer (Part No.FS0095)

KAI – Electric Fuel Pump (Part No.FMD010073)

Carquest Premium – Fuel Pump Strainer FS2521172 (Part No.FS2521172)

Carquest Premium – Fuel Cap Tester Adapter: (Part No.12427)

Carquest Premium – Fuel Cap Tester Adapter: (Part No.12410)

Carquest Premium – Manifold Absolute Pressure Sensor (Part No.ECA1961)

Bosch – Oxygen Sensor: 3 Wire, 14.96" Long, Heated, Exact Fit (Part No.13702)

DENSO – Oxygen Sensor: 3 Wire, 17.83" Long, Heated, Exact Fit (Part No.234-3088)

Bosch – Oxygen Sensor: 3 Wire, 24.02" Long, Heated, Universal (Part No.15726)

Bosch – Oxygen Sensor: 4 Wire, 17.72" Long, Heated, Exact Fit (Part No.13250)

DENSO – Oxygen Sensor: Upstream, 3 Wire, 17.32" Long, Heated, Exact Fit (Part No.234-3091)

DENSO – Oxygen Sensor: 3 Wire, 11.77" Long, Heated, Universal Fit (Part No.234-3090)

Carquest Premium – Keyed Alike Locking Fuel Cap (Part No.17591)

Carquest Premium – Fuel Cap: Round, Direct Fit, Provides Tight Seal, 1 Pack (Part No.10837)

Carquest Premium – Non-Locking Fuel Tank Cap (Part No.10834)

Carquest Premium – Gas Cap: Twist On, Reduces Air Pollution, 1 Pack (Part No.10817)

Carquest Premium – Locking Fuel Tank Cap (Part No.10501)

Carquest Premium – Non-Locking Fuel Tank Cap (Part No.10819)

Carquest Premium – Locking Fuel Tank Cap (Part No.10591)

Carquest Premium – Locking Fuel Cap: Screw On, Direct Fit, Provides Tight Seal, 1 Pack (Part No.10504)

Carquest Premium – Locking Fuel Tank Cap (Part No.10507)

Carquest Premium – Keyed Alike Locking Fuel Cap (Part No.17504)

Motorad – Non-Locking Tethered Fuel Tank Cap (Part No.MGC817T)

Carquest Premium – Keyed Alike Locking Fuel Cap (Part No.17507)

Carquest Premium – Keyed Alike Locking Fuel Cap (Part No.17505)

Carquest Premium – Remanufactured Fuel Injector (Part No.A218-1104)

Felpro – FUEL INJECTOR O-RING SET (Part No.ES 70600)

Carquest Premium – Mass Air Flow Sensor (MAF) – 100% NEW (Part No.MQ7271)

Hitachi – Air Flow Sensor – New Actual OE Part (Part No.MAF0096)

Delphi – Mass Air Flow Sensor (Part No.AF10200)

Cardone – Remanufactured Mass Air Flow Sensor (Part No.74-10034)

Delphi – Fuel Injection Pressure Regulator (Part No.FP10415)

Wells Vehicle Electronics – Fuel Injection Pressure Regulator (Part No.5G1321)