2018 Peterbilt 365 Fuel and Emissions Systems

Below you will find various in-demand Peterbilt Fuel and Emissions Systems, components and accessories for your 2018 365. Advance Auto Parts has popular 365 parts like Fuel Tanks, Fuel Injectors, Exhaust Gas Recirculation (EGR) Parts and more. You’ll also find aftermarket and OEM Fuel and Emissions Systems for other 365 model years including 2013, 2014, 2015, 2016, 2017, 2019, 2020, 2021, 2022 and more. Select a category of 2018 Peterbilt 365 Fuel and Emissions Systems below and start saving instantly.

Popular 2018 Peterbilt 365 Fuel and Emissions Systems Categories

Fuel Pressure Sensors

Diesel Particulate Filters

Fuel and Water Separators

EGR Coolers

Water In Fuel Sensors

Fuel Injector O-Ring Kits

Fuel Tank Sending Units

Diesel Emissions Fluid Filters

Diesel Emissions Filler Caps

EGR Valve Temperature Sensors

Diesel Exhaust Fluid (DEF) Urea Filter

Selective Catalytic Reduction (SCR) Wiring

Essential Fuel and Emissions Systems for 2018 Peterbilt 365s

from

$3199.99

This diesel particulate filter (DPF) is designed to match the fit and function of the original filter on specified vehicles, and is engineered for durability and reliable performance.

Product Features:

Direct replacement – this diesel particulate filter (DPF) is designed to match the fit and function of the original filter on specified vehicles
Restores functionality – reliable replacement for an original part that has failed due to clogging
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

from

$3200.99

Direct replacement – this diesel particulate filter (DPF) is designed to match the fit and function of the original filter on specified vehicles
Restores functionality – reliable replacement for an original part that has failed due to clogging
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

from

$89.99

Carquest Premium Fuel/Water Separator Filters remove water and other impurities from the fuel before it reaches your engine fuel system. These filters effectively separate water from the fuel, preventing corrosion and damage to fuel injectors, pumps and other critical engine components. By keeping the fuel clean and water-free, these filters help ensure optimal combustion, improve engine efficiency, and reduce emissions. Carquest Premium Fuel/Water Separator Filters are designed to meet or exceed the performance requirements of the Original Equipment Manufacturer (OEM).

Product Features:

Designed to meet or exceed OE filter performance levels over the entire OE recommended service interval.
Made in USA
Includes Sensor Port Thread: M14 x 2.0
CAUTION: Furnished D-Ring must be installed on post for seal.

from

$83.99

CAUTION: Furnished O-Ring must be installed on post for seal. For use with Deutz square sensor. NOT Interchangeable with 86422.
Sensor Port Thread: M14 x 2.0; Standpipe
Includes Standpipe. Sensor Port Thread: M14 x 2.0
CAUTION: Furnished O-Ring must be installed on post for seal. For use with Deutz square sensor.

from

$29.99

This diesel exhaust fluid (DEF) filler cap is designed to match the fit and function of the original cap on specified vehicles, and is engineered for durability and reliable performance.

Product Features:

Direct replacement – this diesel exhaust fluid (DEF) filler cap is designed to match the fit and function of the original cap on specified vehicles
Restores functionality – reliable replacement for an original cap that is leaking or failed due to wear
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

from

$23.99

Direct replacement – this diesel exhaust fluid (DEF) filler cap is designed to match the fit and function of the original cap on specified vehicles
Restores functionality – reliable replacement for an original cap that is leaking or failed due to wear
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

from

$108.99

Carquest Premium Diesel Exhaust Fluid (DEF) Filters help reduce harmful emissions and improve air quality. DEF filters remove impurities such as dirt, debris, and particulates from the diesel exhaust fluid before entering your vehicle’s emission control system. These filters allow clean fluid to break down harmful nitrogen oxide (NOx) gases produced during diesel combustion. By ensuring proper DEF flow and helping protect system components, DEF filters help diesel engines meet strict emission standards. Carquest Premium Diesel Exhaust Fluid (DEF) Filters are designed to meet or exceed the performance requirements of the Original Equipment Manufacturer (OEM).

Product Features:

Designed to meet or exceed OE filter performance levels over the entire OE recommended service interval.
Contains Plug and Filter Removal Tool

from

$113.99

This fuel pressure sensor is designed to match the fit and function of the original sensor on specified vehicles, and is engineered for durability and reliable performance.

Product Features:

Direct replacement – this fuel pressure sensor is designed to match the fit and function of the original sensor on specified vehicle
Ideal solution – this sensor is a reliable replacement for an original part that has failed due to fatigue or electrical malfunction
Durable construction – this sensor is made from quality components to ensure reliable performance and a long service life
Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience

from

$131.99

This fuel pressure sensor is designed to match the fit and function of the original sensor on specified vehicles, and is engineered for durability and reliable performance.

Product Features:

Direct replacement – this fuel pressure sensor is designed to match the fit and function of the original sensor on specified vehicle
Ideal solution – this sensor is a reliable replacement for an original part that has failed due to fatigue or electrical malfunction
Durable construction – this sensor is made from quality components to ensure reliable performance and a long service life
Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience

from

$117.99

This replacement water-in-fuel (WiF) sensor matches the function and performance of the original equipment sensor to prevent water damaging a diesel fuel injector. Made of quality materials, it has undergone extensive testing to ensure durability.

Product Features:

Ideal replacement – this water-in-fuel (WiF) sensor matches the original equipment sensor’s function and performance
Durable construction – this sensor is made of durable materials to withstand exposure to diesel fuel
Cost-effective solution – offers original equipment quality at competitive price
Quality tested – this part has undergone vehicle try-on and bench testing to ensure a quality fit and long service life

from

$175.99

WIRING HARNESS

from

$211.99

Product Features:

Direct replacement – this fuel tank sending unit is designed to match the fit and function of the original unit on specified applications
Restores functionality – reliable replacement for an original part that has failed due to internal sensor failure
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

from

$223.99

This fuel tank sending unit is designed to match the fit and function of the original unit on specified applications. Made of quality materials, it is engineered for reliable performance and durability.

Product Features:

Direct replacement – this fuel tank sending unit is designed to match the fit and function of the original unit on specified applications
Restores functionality – reliable replacement for an original part that has failed due to internal sensor failure
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

from

$79.99

Direct replacement – this fuel tank sending unit is designed to match the fit and function of the original unit on specified applications
Restores functionality – reliable replacement for an original part that has failed due to internal sensor failure
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

from

$83.99

This exhaust gas recirculation (EGR) temperature sensor is designed to match the function of an original sensor to help ensure the engine control unit receives proper inputs when an original sensor has failed from heat or internal component damage.

Product Features:

Direct replacement – this EGR valve temperature sensor is designed to match the fit and function of an original sensor on specified vehicles
Ideal solution – engineered to help ensure the engine control unit receives proper inputs when an original sensor has failed from heat or internal component damage
Durable construction – designed and manufactured to strict specifications for reliable performance
Trustworthy quality – backed by a team of product experts in the United States and more than a century of automotive experience

from

$116.99

Direct replacement – this EGR valve temperature sensor is designed to match the fit and function of an original sensor on specified vehicles
Ideal solution – engineered to help ensure the engine control unit receives proper inputs when an original sensor has failed from heat or internal component damage
Durable construction – designed and manufactured to strict specifications for reliable performance
Trustworthy quality – backed by a team of product experts in the United States and more than a century of automotive experience

from

$139.99

Direct replacement – this EGR valve temperature sensor is designed to match the fit and function of an original sensor on specified vehicles
Ideal solution – engineered to help ensure the engine control unit receives proper inputs when an original sensor has failed from heat or internal component damage
Durable construction – designed and manufactured to strict specifications for reliable performance
Trustworthy quality – backed by a team of product experts in the United States and more than a century of automotive experience

from

$31.99

Exhaust gas recirculation (EGR) cooler gaskets are designed to provide a tight, reliable seal between the EGR cooler and mating components. Check the product attributes to choose the right gasket or gasket kit for your application.

Product Features:

Direct replacement – these EGR gaskets are designed to match the fit, function and performance of the original gaskets on specified vehicle makes, models and years
Ideal solution – engineered to ensure a tight, reliable seal between the EGR cooler and mating components when the original gaskets have failed or when the EGR cooler is serviced or replaced
Durable construction – made of quality materials for reliable performance and long service life
Trustworthy quality – backed by a team of product experts in the United States and more than a century of automotive experience

from

$1990.99

This EGR cooler has been engineered to match the fit and function of the original EGR cooler on specific vehicle years, makes and models. It has undergone rigorous testing and OEM benchmarking to ensure reliability.

Product Features:

Direct replacement – this EGR cooler is made to match the fit and function of the original part on specific applications
Rigorously tested – heat transfer testing, burst testing and vehicle try-on testing ensures fit and reliability
Durable construction – this part is made from quality materials to ensure reliable performance and a long service life
Trustworthy quality – backed by a team of product experts in the United States and more than a century of automotive experience

from

$97.99

The components in this fuel injector O-ring kit are designed to match the fit of the original O-rings on specified vehicles. They are engineered to help ensure leak-free connections to the fuel injectors during service or when the rings are damaged.

Product Features:

Direct replacements – the components in this fuel injector O-ring kit are designed to match the fit of the original O-rings on specified vehicles
Ideal solution – engineered to help ensure leak-free connections to the fuel injectors during service or when the rings are damaged
Durable construction – designed and manufactured to strict specifications for reliable performance
Trustworthy quality – backed by a team of product experts in the United States and more than a century of automotive experience

from

$179.99

Direct replacements – the components in this fuel injector O-ring kit are designed to match the fit of the original O-rings on specified vehicles
Ideal solution – engineered to help ensure leak-free connections to the fuel injectors during service or when the rings are damaged
Durable construction – designed and manufactured to strict specifications for reliable performance
Trustworthy quality – backed by a team of product experts in the United States and more than a century of automotive experience

from

$107.99

Direct replacements – the components in this fuel injector O-ring kit are designed to match the fit of the original O-rings on specified vehicles
Ideal solution – engineered to help ensure leak-free connections to the fuel injectors during service or when the rings are damaged
Durable construction – designed and manufactured to strict specifications for reliable performance
Trustworthy quality – backed by a team of product experts in the United States and more than a century of automotive experience

from

$38.49

Direct replacements – the components in this fuel injector O-ring kit are designed to match the fit of the original O-rings on specified vehicles
Ideal solution – engineered to help ensure leak-free connections to the fuel injectors during service or when the rings are damaged
Durable construction – designed and manufactured to strict specifications for reliable performance
Trustworthy quality – backed by a team of product experts in the United States and more than a century of automotive experience

from

$324.99

Designed to meet or exceed OE filter performance levels over the entire OE recommended service interval.
Contains Frost Compensation Membrane, Spray Lubricant, Instruction Sheet

Upgrade your 2018 Peterbilt 365 with Top-Quality Fuel and Emissions Systems

When it comes to maintaining or upgrading your 2018 Peterbilt 365, nothing is more important than using high-quality OEM or aftermarket parts that you can trust. Whether you’re repairing damage to your Peterbilt or enhancing its overall performance, Fuel and Emissions Systems are key to keeping your 365 functioning at its best. At Advance Auto Parts, we offer a wide selection of 14 Fuel and Emissions Systems for the 2018 Peterbilt 365, designed to meet your needs without breaking the bank. From Fuel Tank replacements to Fuel Injectors 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 2018 Peterbilt 365 at great prices. Our Fuel and Emissions Systems inventory for this model ranges from just $23.99 to $3,929.99, with an average price of $221.84. Our 14 Fuel and Emissions Systems in stock come from 3 trusted brands, so you’re sure to find the right part for your 2018 Peterbilt 365 without overspending.

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, Fluids and Chemicals and more to make sure your 2018 Peterbilt 365 is always ready to roll. We’re committed to providing you with everything you need to keep your 365 in top shape, all in one place. Start shopping confidently below for your 2018 Peterbilt 365!

Best-Selling Fuel Tanks for 2018 Peterbilt 365s

Enhance the driving experience in your Peterbilt with 1 quality Fuel Tank components, starting at $211.99.

show more show less

from

$211.99

Product Features:

Direct replacement – this fuel tank sending unit is designed to match the fit and function of the original unit on specified applications
Restores functionality – reliable replacement for an original part that has failed due to internal sensor failure
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

Top Picks for 2018 Peterbilt 365 Exhaust Gas Recirculation (EGR) Parts

Upgrade Peterbilt 365s with top-quality Exhaust Gas Recirculation (EGR) Parts parts, including 2 OEM and aftermarket selections for your 2018 model.

show more show less

from

$116.99

Direct replacement – this EGR valve temperature sensor is designed to match the fit and function of an original sensor on specified vehicles
Ideal solution – engineered to help ensure the engine control unit receives proper inputs when an original sensor has failed from heat or internal component damage
Durable construction – designed and manufactured to strict specifications for reliable performance
Trustworthy quality – backed by a team of product experts in the United States and more than a century of automotive experience

from

$31.99

Direct replacement – these EGR gaskets are designed to match the fit, function and performance of the original gaskets on specified vehicle makes, models and years
Ideal solution – engineered to ensure a tight, reliable seal between the EGR cooler and mating components when the original gaskets have failed or when the EGR cooler is serviced or replaced
Durable construction – made of quality materials for reliable performance and long service life
Trustworthy quality – backed by a team of product experts in the United States and more than a century of automotive experience

In-Demand Fuel Pumps for 2018 Peterbilt 365s

Select from 2 premium Fuel Pumps parts for your 2018 Peterbilt 365, with prices ranging from $83.99 to $89.99.

show more show less

from

$89.99

Designed to meet or exceed OE filter performance levels over the entire OE recommended service interval.
Made in USA
Includes Sensor Port Thread: M14 x 2.0
CAUTION: Furnished D-Ring must be installed on post for seal.

from

$83.99

CAUTION: Furnished O-Ring must be installed on post for seal. For use with Deutz square sensor. NOT Interchangeable with 86422.
Sensor Port Thread: M14 x 2.0; Standpipe
Includes Standpipe. Sensor Port Thread: M14 x 2.0
CAUTION: Furnished O-Ring must be installed on post for seal. For use with Deutz square sensor.

Most Sold 2018 Peterbilt 365 Fuel Sensors

Explore our best-selling Peterbilt parts for the 2018 365 among 2 OEM and aftermarket options starting from $113.99.

show more show less

from

$117.99

Ideal replacement – this water-in-fuel (WiF) sensor matches the original equipment sensor’s function and performance
Durable construction – this sensor is made of durable materials to withstand exposure to diesel fuel
Cost-effective solution – offers original equipment quality at competitive price
Quality tested – this part has undergone vehicle try-on and bench testing to ensure a quality fit and long service life

from

$113.99

This fuel pressure sensor is designed to match the fit and function of the original sensor on specified vehicles, and is engineered for durability and reliable performance.

Product Features:

Direct replacement – this fuel pressure sensor is designed to match the fit and function of the original sensor on specified vehicle
Ideal solution – this sensor is a reliable replacement for an original part that has failed due to fatigue or electrical malfunction
Durable construction – this sensor is made from quality components to ensure reliable performance and a long service life
Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience

FAQs for 2018 Peterbilt 365 Fuel and Emissions Systems

Which Fuel and Emissions Systems are best-sellers for 2018 Peterbilt 365s?

Out of 14 Fuel and Emissions Systems that fit 2018 Peterbilt 365s, the following parts are the top sellers:

Fuel/Water Separator: Quality Removal of Water and Contaminants from Fuel System (10693707) – $83.99
Fuel/Water Separator: Quality Removal of Water and Contaminants from Fuel System (10693978) – $89.99
Heavy Duty Fuel Sender (10453440) – $211.99

What’s the price range for 2018 Peterbilt 365 Fuel and Emissions Systems?

Fuel and Emissions System prices for the 2018 Peterbilt 365 start at $23.99 and go up to $3,929.99 for the most premium parts.

What’s the average price of a Fuel and Emissions System for a 2018 Peterbilt 365?

The average price for Fuel and Emissions Systems for the 2018 Peterbilt 365 is $221.84. 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 Peterbilt 365 model years?

Yes, we currently carry Fuel and Emissions Systems for 15 model years of Peterbilt 365s between 2008 and 2024. Fuel and Emissions Systems are bought most frequently for the following model years: 2022, 2021, 2020, 2019, 2017, 2016, 2015, 2014, and 2013.

What are the cheapest Fuel and Emissions Systems for my 2018 Peterbilt 365?

The cheapest 2018 Peterbilt 365 Fuel and Emissions Systems we carry in stock are:

Heavy Duty Diesel Exhaust Fluid Cap (10567784) – $23.99
Heavy Duty DEF Cap (50207747) – $29.99
EGR Cooler Gasket Kit (50211347) – $31.99
Fuel/Water Separator: Quality Removal of Water and Contaminants from Fuel System (10693707) – $83.99
Fuel/Water Separator: Quality Removal of Water and Contaminants from Fuel System (10693978) – $89.99

What types of Fuel and Emissions Systems do you sell for my 2018 Peterbilt 365?

As of 11/2/25, these are some of the most in-demand types of Fuel and Emissions Systems for a 2018 Peterbilt 365:

Can I get help with 2018 Peterbilt 365 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 Peterbilt Fuel and Emissions Systems and more.

What is your return policy for Peterbilt 365 Fuel and Emissions Systems?

Advance Auto Parts keeps returns simple. For new Peterbilt 365 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.

2018 Peterbilt 365 Fuel and Emissions Systems

Dorman – HD Solutions – HD Diesel Particulate Filter – Not For Sale – CA (Part No.674-2019)

Dorman – HD Solutions – HD Diesel Particulate Filter – Not For Sale – CA (Part No.674-2009)

Carquest Premium – Fuel/Water Separator: Quality Removal of Water and Contaminants from Fuel System (Part No.86965)

Carquest Premium – Fuel/Water Separator: Quality Removal of Water and Contaminants from Fuel System (Part No.86604)

Dorman – HD Solutions – Heavy Duty DEF Cap (Part No.904-5401CD)

Dorman – HD Solutions – Heavy Duty Diesel Exhaust Fluid Cap (Part No.904-5401)

Carquest Premium – Diesel Exhaust Fluid Filter for SCR Systems (Part No.96679)

Dorman – HD Solutions – Fuel Pressure Sensor (Part No.904-7110)

Dorman – HD Solutions – Fuel Pressure Sensor (Part No.904-7018)

Dorman – HD Solutions – Water In Fuel Sensor (Part No.904-7242)

DAYTON PARTS – WIRING HARNESS (Part No.311-0015)

Dorman – HD Solutions – Heavy Duty Fuel Sender (Part No.285-5401)

Dorman – HD Solutions – Heavy Duty Fuel Sender (Part No.285-5402)

Dorman – HD Solutions – Heavy Duty Fuel Sender (Part No.285-5403)

Dorman – HD Solutions – Temperature Sensor (Part No.904-7144)

Dorman – HD Solutions – Exhaust Gas Recirculation Temperature Sensor (Part No.904-7118)

Dorman – HD Solutions – Egr Temperature Sensor (Part No.904-7635)

Dorman – HD Solutions – EGR Cooler Gasket Kit (Part No.904-5155)

Dorman – HD Solutions – Heavy Duty Exhaust Gas Recirculation Cooler Kit (Part No.904-5024)

Dorman – HD Solutions – Injector O-Ring Kit (Part No.904-8053)

Dorman – HD Solutions – Injector O-Ring Kit (Part No.904-8052)

Dorman – HD Solutions – Injector O-Ring Kit (Part No.904-8050)

Dorman – HD Solutions – Fuel Injector O-Ring Kit (Part No.904-8055)

Carquest Premium – Diesel Exhaust Fluid Filter Kit (Part No.96877)

Dorman – HD Solutions – Heavy Duty Fuel Sender (Part No.285-5401)

Dorman – HD Solutions – Injector O-Ring Kit (Part No.904-8052)

Dorman – HD Solutions – Exhaust Gas Recirculation Temperature Sensor (Part No.904-7118)

Dorman – HD Solutions – EGR Cooler Gasket Kit (Part No.904-5155)

Carquest Premium – Fuel/Water Separator: Quality Removal of Water and Contaminants from Fuel System (Part No.86965)

Carquest Premium – Fuel/Water Separator: Quality Removal of Water and Contaminants from Fuel System (Part No.86604)

Dorman – HD Solutions – Water In Fuel Sensor (Part No.904-7242)

Dorman – HD Solutions – Fuel Pressure Sensor (Part No.904-7110)