Mack Fuel and Emissions Systems

Carquest Premium Fuel Spin-on Filters protect your engine and fuel system by removing dirt, rust, and other impurities from the fuel before it reaches your engine fuel system. These filters effectively remove contaminants to prevent clogging and damage to fuel injectors, pumps and other critical engine components. The spin-on design screws directly onto a mounting head, allowing for easy servicing and replacement. By keeping the fuel clean, these filters help ensure optimal combustion, improve engine efficiency, and reduce emissions. Carquest Premium Fuel Spin-on Filters are designed to meet or exceed the performance requirements of the Original Equipment Manufacturer (OEM).

Product Features:

• Original Equipment Manufacturer (OEM) Design: Designed to meet or exceed OEM performance standards.
• Ensures Clean Fuel: Removes contaminants to prevent clogging and damage to critical engine components.
• Spin-on Design:┐Allows for easy installation and replacement during routine maintenance.
• Enhances Reliability:┐Maintains consistent fuel flow, reducing engine hesitation and stalling.
• Improves Engine Performance:┐Ensures clean fuel delivery for optimal combustion and efficiency.

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:

• Original Equipment Manufacturer (OEM) Design: Designed to meet or exceed OEM performance standards.
• Efficient Water Removal: Separates damaging water and contaminants from fuel to protect sensitive fuel system components.
• Enhances Engine Performance:┐Delivers clean, water-free fuel for optimal combustion and efficiency.
• Rust resistant can, ensuring no leakage from inside
• Made in USA
• Includes Standpipe
• CAUTION: Furnished D-Ring must be installed on post for seal.

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:

• Original Equipment Manufacturer (OEM) Design: Designed to meet or exceed OEM performance standards.
• Efficient Water Removal: Separates damaging water and contaminants from fuel to protect sensitive fuel system components.
• Enhances Engine Performance:┐Delivers clean, water-free fuel for optimal combustion and efficiency.
• Rust resistant can, ensuring no leakage from inside
• Made in USA
• CAUTION: Furnished D-Ring must be installed on post for seal.

When an EGT sensor bung rusts, the typical solution has been to replace the entire exhaust pipe. This Dorman OE FIX kit allows direct replacement of only the failed bung, with a weld-on plate if necessary for pipe repair.

Product Features:

• Cost-effective fix – this EGT sensor bung repair kit allows direct replacement of only a failed bung, rather than an entire exhaust pipe
• Weld-on plate – bung comes with steel plate for repairing pipe if damaged during bung removal
• Application specific – designed for a wide range of vehicle years, makes and models
• This part has undergone vehicle try-on testing for conformance to product standards and quality

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:

• Original Equipment Manufacturer (OEM) Design: Designed to meet or exceed OEM performance standards.
• Effective Contaminant Removal:┐Filters out dirt, debris, and particulates from diesel exhaust fluid.
• Maintains System Efficiency:┐Ensures proper DEF flow for breaking down harmful gases.
• Enhances Engine Performance:┐Promotes cleaner combustion and reliable engine operation.
• Supports Environmental Compliance:┐Helps vehicles meet stringent emission regulations.

This DPF differential pressure sensor is designed to match the fit and function of the original part on specified makes, years and models, and is engineered for reliable performance and durability.

Product Features:

• Direct replacement – this replacement exhaust gas differential pressure sensor, also known as a diesel particulate filter (DPF) sensor, is designed to match the fit and function of the original sensor on specified makes, years and models
• Restores functionality – reliable replacement for an original sensor that has broken, burned out, corroded or otherwise stopped working
• 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

This hydrocarbon injector nozzle restores critical dosing function to the vehicle’s emissions system by injecting fuel into the exhaust stream during the regeneration cycles to remove excess carbon build up from the diesel particulate filter.

Product Features:

• Ideal replacement – this hydrocarbon injector nozzle is a direct replacement for a worn or fouled original equipment injector nozzle on select vehicles
• Durable construction – this doser injector is made of quality materials for reliable performance and a long service life
• Restores regeneration – fixes aftertreatment issues caused by a clogged injector that stops injecting fuel downstream properly
• Trustworthy quality – backed by a team of product engineers and experts in the United States with more than a century of experience

Tight seals are essential to proper EGR cooler operation. This EGR cooler gasket kit contains all the gaskets and seals required to ensure a solid repair. Made of quality materials, this kit is a direct replacement for original equipment parts.

Product Features:

• Direct replacement – this exhaust gas recirculation (EGR) gasket kit matches the original equipment gaskets for this vehicle application
• Durable construction – the components in this EGR cooler gasket kit are made of quality materials for a secure fit and excellent durability
• Convenient solution – the gaskets in this kit should be replaced whenever repairs are performed on the EGR cooler, intake manifold or oil cooler
• Quality tested – this part has undergone try-on and material testing to ensure a quality fit and long service life

When the diesel particulate filter (DPF) is failed or damaged, service it thoroughly by installing this direct replacement gasket. Made of durable materials for reliable service, it matches the function of the factory part and ensures a tight seal to the DPF.

Product Features:

• Direct replacement – this diesel particulate filter (DPF) gasket matches the original gasket required to repair the DPF on specified vehicles
• Ideal solution – this gasket is a reliable replacement for an original part that is damaged, failed or missing
• Durable construction – this part is made from quality materials to ensure 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

Effectively prevent diesel exhaust fluid from leaking or spilling through the filler neck. Essential for helping to keep pollutants out of the environment. Replacement restores the diesel emissions fluid system to proper operation.

Product Features:

• Constructed from high- quality, heat-resistant materials for long-life
• Important replacement item to pass inspection in certain states
• Designed for optimum fit
• Meets or exceeds all OEM specifications

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

HD DOC

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

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

This diesel oxidation catalyst is designed to match the fit and function of the original catalyst on specified vehicles, and is engineered for durability and reliable performance.

Product Features:

• Direct replacement – this diesel oxidation catalyst is designed to match the fit and function of the original catalyst on specified vehicles
• Restores functionality – reliable replacement for an original part that has failed due to corrosion
• 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

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

This diesel oxidation catalyst is designed to match the fit and function of the original catalyst on specified vehicles, and is engineered for durability and reliable performance.

Product Features:

• Direct replacement – this diesel oxidation catalyst is designed to match the fit and function of the original catalyst on specified vehicles
• Restores functionality – reliable replacement for an original part that has failed due to corrosion
• 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

HD DOC

HD DPF

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

HD DOC

This diesel oxidation catalyst is designed to match the fit and function of the original catalyst on specified vehicles, and is engineered for durability and reliable performance.

Product Features:

• Direct replacement – this diesel oxidation catalyst is designed to match the fit and function of the original catalyst on specified vehicles
• Restores functionality – reliable replacement for an original part that has failed due to corrosion
• 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

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

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

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