1986 Isuzu I-MARK Fuel and Emissions Systems

Essential Fuel and Emissions Systems for 1986 Isuzu I-MARKs

Bosch – Oxygen Sensor: 1 Wire, 14.57" Long, Non-heated, Exact Fit (Part No.12014)

Oxygen Sensor: 1 Wire, 14.57" Long, Non-heated, Exact Fit

from

$32.99
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
See More

Bosch – Oxygen Sensor: 1 Wire, 5.31" Long, Non-heated, Universal Fit (Part No.11027)

Oxygen Sensor: 1 Wire, 5.31" Long, Non-heated, Universal Fit

from

$39.99
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
  • 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
See More

NTK – Switching Oxygen Sensor: 1 Wire, 15.25" Long, Non-Heated, Direct Fit (Part No.21002)

Switching Oxygen Sensor: 1 Wire, 15.25" Long, Non-Heated, Direct Fit

from

$32.99
NGK is the world’s largest supplier and manufacturer of OEM oxygen sensors. Oxygen sensors play a critical role as part of the vehicle’s on-board diagnostic system in maintaining optimal engine performance, maximizing fuel efficiency and reducing harmful emissions. Providing constant closed loop feedback to the ECU, oxygen sensors help to control the air-fuel ratio while alerting OBDII systems of possible problems with fuel delivery or catalytic converter efficiency. A ceramics company at our core, uses state-of-the art technology enabling control of the ceramic element used in our oxygen sensors from raw material to finished product. Trust The Sensor Specialist for full-line market support and OE application technology.

Product Features:
  • OEM QUALITY: 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, Oxygen Sensors offer superior OE fit, form, function
  • OE TECHNOLOGY: Upgraded to the latest OE technologies, 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: 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
  • ADVANTAGE: Superior dual-coated platinum interface and thinner ceramic element produces fastest light off and response times with best durability
See More

Carquest Premium – Fuel Pump Hanger Assembly: Fuel Pump, Sending Unit and Strainer (Part No.E635399)

Fuel Pump Hanger Assembly: Fuel Pump, Sending Unit and Strainer

from

$51.99
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
See More

Delphi – Fuel Pump and Strainer Set: With Insulating Sleeve, Hose Clamps, Splices, 2-Wires w/Connector (Part No.FE0157)

Fuel Pump and Strainer Set: With Insulating Sleeve, Hose Clamps, Splices, 2-Wires w/Connector

from

$70.99
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
  • When servicing the fuel system, always check the fuel filter for possible replacement
  • Always be sure to check and clean fuel tank to avoid unnecessary returns
  • Always replace the fuel strainer when doing a fuel pump repair
See More

Carquest Premium – Fuel Pump Includes Includes Strainer (Part No.E259218)

Fuel Pump Includes Includes Strainer

from

$51.99
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
See More

Carquest Premium – Fuel Pump Module Assembly: Fuel Pump, Sending Unit and Strainer (Part No.U260116)

Fuel Pump Module Assembly: Fuel Pump, Sending Unit and Strainer

from

$61.99
Carquest Premium electric fuel pumps are engineered 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
See More

Carquest Premium – Mechanical Fuel Pump 259169: Includes Gasket (Part No.259169)

Mechanical Fuel Pump 259169: Includes Gasket

from

$90.99
Carquest Premium mechanical 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. Every mechanical fuel pump is 100% tested throughout the entire manufacturing process for worry-free performance. Carquest Premium mechanical fuel pumps include the installation gaskets needed for each application. Carquest Premium mechanical 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
  • Special heat-treated rocker arms and case-hardened pins to ensure lasting performance
  • All fuel pumps are 100% performance tested
  • Includes installation gaskets or seals where applicable
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

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

Non-Locking Tethered Fuel Tank Cap

from

$24.29
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:
  • 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
See More

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

Keyed Alike Locking Fuel Cap

from

$7.99
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
See More

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

Non-Locking Fuel Tank Cap

from

$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
See More

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

Keyed Alike Locking Fuel Cap

from

$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
See More

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

Locking Fuel Tank Cap

from

$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
See More

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

Locking Fuel Tank Cap

from

$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
See More

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

Fuel Cap Tester Adapter:

from

$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
See More

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

Fuel Cap Tester Adapter:

from

$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
See More

ACDelco – Multi-Purpose Pigtail (Part No.PT2164)

Multi-Purpose Pigtail

from

$16.79
ACDelco Professional Air Charge Temperature Sensor Connector is a high quality aftermarket replacement component for one or more of the following vehicle systems: ignition, starting and charging, body-electrical and lighting, andor engine fuel management. This premium aftermarket connector is manufactured to meet or exceed your expectations for fit, form, and function.

Product Features:
  • Professional, premium aftermarket replacement
  • Provides the performance and dependability you expect from ACDelco
  • Manufactured to meet expectations for fit, form, and function
See More

Upgrade your 1986 Isuzu I-MARK with Top-Quality Fuel and Emissions Systems

When it comes to maintaining or upgrading your 1986 Isuzu I-MARK, nothing is more important than using high-quality OEM or aftermarket parts that you can trust. Whether you’re repairing damage to your Isuzu or enhancing its overall performance, Fuel and Emissions Systems are key to keeping your I-MARK functioning at its best. At Advance Auto Parts, we offer a wide selection of 23 Fuel and Emissions Systems for the 1986 Isuzu I-MARK, designed to meet your needs without breaking the bank. From Oxygen Sensor replacements to Gas Caps 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 1986 Isuzu I-MARK at great prices. Our Fuel and Emissions Systems inventory for this model ranges from just $7.99 to $62.99, with an average price of $24.10. Our 23 Fuel and Emissions Systems in stock come from 8 trusted brands, so you’re sure to find the right part for your 1986 Isuzu I-MARK 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 1986 Isuzu I-MARK, we stock popular OEM and aftermarket Fuel and Emissions Systems from top names like Bosch Carquest Premium, and more. Bosch Fuel and Emissions Systems start at just $32.99 and boast an impressive 4.7 stars average rating from customers. With 480 customer reviews and counting, our 1986 Isuzu I-MARK 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 1986 Isuzu I-MARK is always ready to roll. We’re committed to providing you with everything you need to keep your I-MARK in top shape, all in one place. Start shopping confidently below for your 1986 Isuzu I-MARK!

Best-Selling Oxygen Sensors for 1986 Isuzu I-MARKs

Enhance the driving experience in your Isuzu with 3 quality Oxygen Sensor components, starting at $32.99.

Bosch – Oxygen Sensor: 1 Wire, 14.57" Long, Non-heated, Exact Fit (Part No.12014)

Oxygen Sensor: 1 Wire, 14.57" Long, Non-heated, Exact Fit

from

$32.99
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
See More

Bosch – Oxygen Sensor: 1 Wire, 5.31" Long, Non-heated, Universal Fit (Part No.11027)

Oxygen Sensor: 1 Wire, 5.31" Long, Non-heated, Universal Fit

from

$39.99
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
  • 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
See More

NTK – Switching Oxygen Sensor: 1 Wire, 15.25" Long, Non-Heated, Direct Fit (Part No.21002)

Switching Oxygen Sensor: 1 Wire, 15.25" Long, Non-Heated, Direct Fit

from

$32.99
NGK is the world’s largest supplier and manufacturer of OEM oxygen sensors. Oxygen sensors play a critical role as part of the vehicle’s on-board diagnostic system in maintaining optimal engine performance, maximizing fuel efficiency and reducing harmful emissions. Providing constant closed loop feedback to the ECU, oxygen sensors help to control the air-fuel ratio while alerting OBDII systems of possible problems with fuel delivery or catalytic converter efficiency. A ceramics company at our core, uses state-of-the art technology enabling control of the ceramic element used in our oxygen sensors from raw material to finished product. Trust The Sensor Specialist for full-line market support and OE application technology.

Product Features:
  • OEM QUALITY: 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, Oxygen Sensors offer superior OE fit, form, function
  • OE TECHNOLOGY: Upgraded to the latest OE technologies, 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: 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
  • ADVANTAGE: Superior dual-coated platinum interface and thinner ceramic element produces fastest light off and response times with best durability
See More

Most Popular 1986 Isuzu I-MARK Gas Caps

Customize your Isuzu with 14 Gas Caps products like Gas Caps, all priced under $24.99.

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

Keyed Alike Locking Fuel Cap

from

$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
See More

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

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

from

$14.99
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
  • Manufactured from durable, long-life materials
  • Reduces air pollution with proper sealing and venting
  • Independently tested for emission control
See More

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

Non-Locking Fuel Tank Cap

from

$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
See More

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

Gas Cap: Twist On, Reduces Air Pollution, 1 Pack

from

$15.99
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
  • Manufactured from durable, long-life materials
  • Reduces air pollution with proper sealing and venting
  • Independently tested for emission control
See More

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

Locking Fuel Tank Cap

from

$24.99
Manufactured with OEM quality materials and safety standards by an OE Supplier. Manufactured to pass all state and federal emissions requirements. Specifically designed pressure and vacuum relief valves to prevent evaporation of fuel. A leaking fuel cap can allow up to 30 gallons of gasoline to evaporate over the period of a year.

Product Features:
  • Protects your fuel from theft and vandalism
  • 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
See More

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

Non-Locking Fuel Tank Cap

from

$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
See More

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

Locking Fuel Tank Cap

from

$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
See More

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

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

from

$21.79
Manufactured with OEM quality materials and safety standards by an OE Supplier. Manufactured to pass all state and federal emissions requirements. Specifically designed pressure and vacuum relief valves to prevent evaporation of fuel. A leaking fuel cap can allow up to 30 gallons of gasoline to evaporate over the period of a year.

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

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

Locking Fuel Tank Cap

from

$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
See More

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

Keyed Alike Locking Fuel Cap

from

$7.99
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
See More

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

Non-Locking Tethered Fuel Tank Cap

from

$24.29
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:
  • 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
See More

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

Keyed Alike Locking Fuel Cap

from

$11.79
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
See More

Autopart International Inc – Fuel Tank Cap (Part No.E20101953713API)

Fuel Tank Cap

from

$16.94
Fuel Tank Cap

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

Keyed Alike Locking Fuel Cap

from

$10.99
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
See More

Top Picks for 1986 Isuzu I-MARK Fuel Pumps

Upgrade Isuzu I-MARKs with top-quality Fuel Pumps parts, including 4 OEM and aftermarket selections for your 1986 model.

Carquest Premium – Fuel Pump Module Assembly: Fuel Pump, Sending Unit and Strainer (Part No.U260116)

Fuel Pump Module Assembly: Fuel Pump, Sending Unit and Strainer

from

$61.99
Carquest Premium electric fuel pumps are engineered 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
See More

KAI – Fuel Pump Module Assembly (Part No.FMD010083)

Fuel Pump Module Assembly

from

$62.99
New Platinum Pro Fuel Pump Module

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
See More

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

Fuel Cap Tester Adapter:

from

$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
See More

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

Fuel Cap Tester Adapter:

from

$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
See More

In-Demand Air Flow Sensors for 1986 Isuzu I-MARKs

Select from 1 premium Air Flow Sensors parts for your 1986 Isuzu I-MARK.

ACDelco – Multi-Purpose Pigtail (Part No.PT2164)

Multi-Purpose Pigtail

from

$16.79
ACDelco Professional Air Charge Temperature Sensor Connector is a high quality aftermarket replacement component for one or more of the following vehicle systems: ignition, starting and charging, body-electrical and lighting, andor engine fuel management. This premium aftermarket connector is manufactured to meet or exceed your expectations for fit, form, and function.

Product Features:
  • Professional, premium aftermarket replacement
  • Provides the performance and dependability you expect from ACDelco
  • Manufactured to meet expectations for fit, form, and function
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Most Sold 1986 Isuzu I-MARK Fuel Tanks

Explore our best-selling Isuzu parts for the 1986 I-MARK among 1 OEM and aftermarket options starting from $12.49.

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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Top-Rated Fuel and Emissions Systems Brands For Your 1986 Isuzu I-MARK

Shop for the best-rated brands offering Fuel and Emissions Systems and other products for your 1986 Isuzu I-MARKs. Below you’ll find some of our best rated Fuel and Emissions Systems from Bosch and Carquest Premium, and more. Fuel and Emissions Systems from these brands that fit a 1986 I-MARK start at just $11.99 and are rated as high as 4.7 stars. OEM and aftermarket Fuel and Emissions Systems don’t get more top quality, durable, and affordable than from the brands below.

Popular Bosch 1986 Isuzu I-MARK Fuel and Emissions Systems

When it comes to maintaining or upgrading your 1986 Isuzu I-MARK, using quality Fuel and Emissions Systems is essential to ensure durability and a perfect fit. Bosch ticks all of those boxes. We offer a wide selection of Bosch Fuel and Emissions Systems, specifically designed for the 1986 Isuzu I-MARK. With over 2 Bosch 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 $32.99, with an average price of just $36.49. Plus, with over 74 customer reviews and an average rating of 4.7 stars, you can trust that our Bosch 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.
Oxygen Sensor: 1 Wire, 14.57" Long, Non-heated, Exact Fit
from $32.99
(43)
Oxygen Sensor: 1 Wire, 14.57" Long, Non-heated, Exact Fit
“Fit correct. Performing properly”
Oxygen Sensor: 1 Wire, 5.31" Long, Non-heated, Universal Fit
from $39.99
(31)
Oxygen Sensor: 1 Wire, 5.31" Long, Non-heated, Universal Fit
“Been installed for a week. CEL is still off.”

Popular Carquest Premium 1986 Isuzu I-MARK Fuel and Emissions Systems

Carquest Premium auto parts is one of the highest quality Fuel and Emissions System brands in the market. Any 1986 Isuzu I-MARK owner should feel confident when installing genuine Carquest Premium parts in their vehicle. To ensure the best fit and performance for your 1986 I-MARK, Advance Auto Parts carries a full inventory of 3 Carquest Premium Fuel and Emissions Systems. Plus you will be keeping your Isuzu in peak condition while saving money because prices on these Carquest Premium Fuel and Emissions Systems range from $11.99 to $15.49, plus, with more than 182 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.
Keyed Alike Locking Fuel Cap
from $11.99
(3)
Keyed Alike Locking Fuel Cap
“Worked fine”
Non-Locking Fuel Tank Cap
from $15.49
(142)
Non-Locking Fuel Tank Cap
“Good”

FAQs for 1986 Isuzu I-MARK Fuel and Emissions Systems

Which Fuel and Emissions Systems are best-sellers for 1986 Isuzu I-MARKs?

Out of 23 Fuel and Emissions Systems that fit 1986 Isuzu I-MARKs, the following parts are the top sellers:

What’s the price range for 1986 Isuzu I-MARK Fuel and Emissions Systems?

Fuel and Emissions System prices for the 1986 Isuzu I-MARK start at $7.99 and go up to $62.99 for the most premium parts.

What’s the average price of a Fuel and Emissions System for a 1986 Isuzu I-MARK?

The average price for Fuel and Emissions Systems for the 1986 Isuzu I-MARK is $24.10. 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 Isuzu I-MARK model years?

Yes, we currently carry Fuel and Emissions Systems for 7 model years of Isuzu I-MARKs between 1981 and 1989. Fuel and Emissions Systems are bought most frequently for the following model years: 1989, 1988, 1987, 1985, 1984, 1983, 1982, and 1981.

What are the cheapest Fuel and Emissions Systems for my 1986 Isuzu I-MARK?

The cheapest 1986 Isuzu I-MARK Fuel and Emissions Systems we carry in stock are:

What are the top-rated Fuel and Emissions Systems that fit the 1986 Isuzu I-MARK?

Out of 480 reviews by customers, our 1986 Isuzu I-MARK Fuel and Emissions Systems have an average customer rating of . These are some of the highest-rated Fuel and Emissions System types for the 1986 Isuzu I-MARK and their top-rated products:

What types of Fuel and Emissions Systems do you sell for my 1986 Isuzu I-MARK?

As of 11/2/25, these are some of the most in-demand types of Fuel and Emissions Systems for a 1986 Isuzu I-MARK:

Can I get help with 1986 Isuzu I-MARK 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 Isuzu Fuel and Emissions Systems and more.

What is your return policy for Isuzu I-MARK Fuel and Emissions Systems?

Advance Auto Parts keeps returns simple. For new Isuzu I-MARK 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.