Walker Products NOx Guide - Available from Area Diesel Service, Inc.

PASSENGER VEHICLES • MEDIUM DUTY CLASS 7 & 8 HEAVY DUTY

SENSORS

BUYER’S GUIDE

OWNERS RELY ON PERFORMANCE. SERVICE TECHNICIANS DEMAND PERFORMANCE. WALKER PRODUCTS DELIVERS PERFORMANCE.

Premium Engine Management Solutions

• 100% Testing in the USA to exact OE Specifications • Intelligent consolidations, providing higher inventory efficiency • Coverage for light and medium duty, PLUS Class 7 & 8 applications

Table of Contents MAKE PAGE # Audi. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 Caterpillar . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 Chevrolet. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-5 Chrysler. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 Cummins. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-7 Daimler Truck . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-8 Ford. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 GMC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-9 John Deere . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 Mack . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-10 Paccar. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 Volkswagen. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 Volvo . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-11

The Nitrogen Oxide Sensor, commonly called NOx is a precision emission sensor that monitors engine performance and the Selective Catalytic Reduction, or “SCR”, system.

Walker Products offers Genuine Original Equipment NOx Sensors, precision-made for outstanding performance to meet and exceed all original equipment specification and test requirements.

From passenger cars, light-duty trucks and vans to heavyduty trucks, buses, construction equipment and agricultural equipment – all use new NOx sensor technologies.

WALKER PRODUCTS • 525 WEST CONGRESS STREET • PACIFIC, MO 63069 • www.walkerproducts.com U.S. Corporate Office: 636-257-2400 • Fax: 636-257-6211 • Customer Service: 636-257-1700 • Technical Support: 844-252-0114 U.K. Sales Office and Distribution Center: +44-121-459-8006 • saleseurope@walkerproducts.com Oficinas para Mexico: +52-72-2402-2167 · Soporte tecnico y servicio al cliente en Mexico: +52-72-2207-8957

SENSORS

AUDI

CATERPILLAR

CATERPILLAR

CATERPILLAR

CHEVROLET

CHEVROLET

CHEVROLET

CHEVROLET

CHEVROLET

CHEVROLET

CHEVROLET

CHEVROLET

WALKER #285-1032 2009-2016

WALKER #1004-1056 2016-2020

WALKER #285-1037 2017-2019

WALKER #285-1042 2017-2018

4

WALKER #1004-1053 2020-2023

WALKER #285-1035 2014-2015

WALKER #285-1040 2017-2019

WALKER #285-1048 2014-2016

WALKER #1004-1054 2016-2020

WALKER #285-1036 2017-2019

WALKER #285-1041 2010-2014

WALKER #285-1050 2014-2016

SENSORS

CHEVROLET

CHEVROLET

CHRYSLER

CHRYSLER

CHRYSLER

CHRYSLER

CHRYSLER

CHRYSLER

CHRYSLER

CHRYSLER

CHRYSLER

CUMMINS

WALKER #285-1051 2016-2019

WALKER #285-1008 2018-2020

WALKER #285-1049 2014-2015

WALKER #285-1054 2017-2019

WALKER #285-1055 2014-2016

WALKER #285-1013 2018-2023

WALKER #285-1052 2014-2016

WALKER #285-1058 2011-2012

WALKER #285-1002 2015-2020

WALKER #285-1033 2018

WALKER #285-1053 2016-2017

WALKER #1004-1021 2013-2020

5

SENSORS

CUMMINS

CUMMINS

CUMMINS

CUMMINS

CUMMINS

CUMMINS

CUMMINS

CUMMINS

CUMMINS

CUMMINS

CUMMINS

CUMMINS

WALKER #1004-1022 2010-2023

WALKER #1004-1025 2013-2023

WALKER #1004-1060 2015-2023

WALKER #1004-1111 2014-2022

6

WALKER #1004-1023 2013-2023

WALKER #1004-1041 2013-2023

WALKER #1004-1065 2014-2022

WALKER #1004-1113 2014-2022

WALKER #1004-1024 2013-2023

WALKER #1004-1042 2014-2023

WALKER #1004-1098 2016-2023

WALKER #1004-1121 2020-2022

SENSOR

CUMMINS

CUMMINS

CUMMINS

DAIMLER TRUCK

DAIMLER TRUCK

DAIMLER TRUCK

DAIMLER TRUCK

DAIMLER TRUCK

DAIMLER TRUCK

DAIMLER TRUCK

DAIMLER TRUCK

DAIMLER TRUCK

WALKER #1004-1122 2020-2022

WALKER #1004-1028 2015-2023

WALKER #1004-1032 2015-2023

WALKER #1004-1084 2017-2023

WALKER #1004-1147 2013-2023

WALKER #1004-1030 2016-2024

WALKER #1004-1046 2015-2023

WALKER #1004-1087 2015-2023

WALKER #1004-1148 2013-2023

WALKER #1004-1031 2015-2023

WALKER #1004-1080 2017-2023

WALKER #1004-1090 2017-2023

7

SENSORS

DAIMLER TRUCK

DAIMLER TRUCK WALKER #1004-1119

FORD

2015-2023

WALKER #285-1015 2017-2023

FORD

FORD

FORD

GMC

GMC

GMC

GMC

GMC

GMC

WALKER #1004-1091 2015-2023

WALKER #285-1038 2015-2017

WALKER #285-1035 2015-2017

WALKER #285-1040 2017-2019

8

WALKER #285-1047 2015-2017

WALKER #285-1036 2017-2019

WALKER #285-1041 2010-2014

WALKER #285-1059 2015-2017

WALKER #285-1037 2017-2019

WALKER #285-1042 2017-2018

SENSORS

GMC

GMC

GMC

GMC

JOHN DEERE

JOHN DEERE

JOHN DEERE

MACK

MACK

MACK

MACK

MACK

WALKER #285-1048 2014-2016

WALKER #285-1055 2014-2016

WALKER #1004-1076 2017-2021

WALKER #1004-1038 2015-2023

WALKER #285-1050 2014-2016

WALKER #1004-1063 2018-2021

WALKER #1004-1026 2013-2023

WALKER #1004-1102 2019-2023

WALKER #285-1051 2016-2019

WALKER #1004-1069 2018-2021

WALKER #1004-1027 2010-2023

WALKER #1004-1103 2019-2023

9

SENSORS

MACK

PACCAR

PACCAR

PACCAR

PACCAR

VOLKSWAGEN

VOLVO

VOLVO

VOLVO

VOLVO

VOLVO

VOLVO

WALKER #1004-1105 2016-2022

WALKER #1004-1082 2016-2023

WALKER #1004-1026 2013-2023

WALKER #1004-1102 2019-2023

10

WALKER #1004-1033 2021-2023

WALKER #1004-1095 2021-2023

WALKER #1004-1027 2010-2023

WALKER #1004-1103 2019-2023

WALKER #1004-1043 2017-2023

WALKER #285-1032 2009-2016

WALKER #1004-1038 2015-2023

WALKER #1004-1105 2016-2022

SENSORS

VOLVO

WALKER #285-1043

WHAT IS A NOx SENSOR?

A NOx sensor is used in the pollution/emission control system of some vehicles with either spark ignition (gasoline) and compression ignition (diesel) engines. They are used to monitor the engines output of nitrogen monoxide (NO), nitrogen dioxide (NO2) and nitrous oxide (N2O – commonly referred to as “laughing gas”) and provide a signal back to the vehicle’s Engine Control Module (ECM) that will adjust the engine’s combustion process and other emission control devices to reduce these pollutants.

WHAT HAPPENS WHEN A NOx SENSOR FAILS?

A NOx sensor has a limited lifespan and will fail at some point or no longer operate within a certain bandwidth. A NOx sensor failure will result in faults being logged by the Engine Control Module (ECM) which will be displayed on the vehicle’s dashboard. Upon failure, the engine will default to “emergency mode” resulting in increased fuel consumption and slight stalls. Premature sensor failure can result from contamination from water, excessive fuel, oil consumption, mechanical shock, fuel additives, and excessive operating temperatures.

PREVENTATIVE NOx SENSOR MAINTENANCE

Often large fleets that have their own maintenance departments will develop a data base of maintenance requirements based upon recommended replacement intervals, such as oil and filter changes or component failures. This then becomes the basis for determining predictive failure rates and preventative maintenance schedules for such things as brakes, tires, alternators, head lamps, etc. and NOx sensors. The objective is to maximize asset utilization by anticipating when something is about to disable a vehicle and “fixing” the issue before it happens.

WHY ARE WALKER NOx SENSORS BETTER?

Walker Products NOx sensors are always 100% Genuine OE NEW and NEVER remanufactured!

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