Peterbilt 337 Fuel and Emissions Systems

WIRING HARNESS

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

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:

• 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.

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.

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

HD DOC

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 Frost Compensation Membrane, Spray Lubricant, Instruction Sheet

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

This diesel exhaust fluid (DEF) urea filter kit matches the fit and function of the original equipment filter to effectively prevent crystals and contaminants from entering the DEF system. This filter kit has been on-vehicle tested for quality.

Product Features:

• Ideal replacement – this DEF urea filter kit matches the fit and function of the original equipment urea filter
• Durable construction – this filter kit is made with quality materials and components for reliable service
• Cost-effective solution – offers original equipment quality at a competitive price
• Quality tested – this part has undergone on-vehicle testing to ensure a quality fit and long service life

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

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

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

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

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