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    Brand new! No core charge
    OEM direct fit
    Roadwarrior Part # WH-CXXX-ECM-04
    Engine Manufacturer

    OEM Part Number

    4312327

    OEM Price: CAD 3,287

    Sale: CAD 1,494

    Save: $1,793

    SHIPPING INFORMATION

    Category

    Related Parts

    Description

    WH-CXXX-ECM-04 For Cummins 4312327

    The Roadwarrior WH-CXXX-ECM-04 is a replacement engine wiring harness built to replace Cummins part number 4312327. It plays a vital role in ensuring the smooth operation of various engine components, maintaining the electrical integrity and performance of your engine.

    Signs of Harness Degradation: Aging wiring harnesses can exhibit symptoms like inconsistent engine performance, sensor malfunctions, and unexpected power loss. Environmental factors and operational stress contribute to the deterioration of a harness. Replacing it with the WH-CXXX-ECM-04 can rejuvenate your engine’s electrical system.

    Reliability and Quality of Roadwarrior: Roadwarrior’s WH-CXXX-ECM-04 is synonymous with quality and endurance. Built to endure the demanding conditions of heavy-duty engine use, this harness matches the OEM part in both fit and function. Rigorous testing ensures its reliability, offering peace of mind with every use.

    Efficient Installation and OEM Fit: This harness is engineered to fit perfectly with engines requiring part number 4312327, ensuring an efficient and straightforward installation process. It is designed to integrate flawlessly with your engine, restoring and enhancing its electrical performance.

    Additional information

    RW Part Number

    WH-CXXX-ECM-04
    Part Type

    5 reviews for 4312327

    1. Rob
      6 June 2024
      I'm a mechanic and driver for our trucking company, and we've had persistent electrical issues in our Kenworth trucks. Found my old engine wiring harn...More
      I'm a mechanic and driver for our trucking company, and we've had persistent electrical issues in our Kenworth trucks. Found my old engine wiring harness all chaffed, hence looked up online with the OEM PN 4312327 and came across Roadwarrior aftermarket harness, these guys are the best with excellent customer service and fast shipping. Also the harness works flawlessly.
      Helpful? 0 0
      Joe
      6 June 2024
      Had to order this online because our Peterbilt trucks with Cummins engines were experiencing severe corrosion on the old wiring harnesses, leading to ...More
      Had to order this online because our Peterbilt trucks with Cummins engines were experiencing severe corrosion on the old wiring harnesses, leading to frequent no-start problems and intermittent CEL. It's been great so far, the build quality is amazing.
      Helpful? 0 0
      Chris
      6 June 2024
      As a truck repair mechanic, I frequently encountered dead batteries and random fault codes in Freightliner and International trucks due to aged wiring...More
      As a truck repair mechanic, I frequently encountered dead batteries and random fault codes in Freightliner and International trucks due to aged wiring harnesses. Found this wiring harness on the Roadwarrior website and ordered it and it's been a great part.
      Helpful? 0 0
      James
      6 June 2024
      Our Kenworth trucks had persistent electrical issues, including intermittent CEL and no-start conditions, especially in winter. The Roadwarrior WH-CXX...More
      Our Kenworth trucks had persistent electrical issues, including intermittent CEL and no-start conditions, especially in winter. The Roadwarrior WH-CXXX-ECM-04 has resolved these problems entirely.
      Helpful? 0 0
      Dale
      6 June 2024
      As someone who drives and repairs Peterbilt trucks, I've faced numerous electrical problems due to corroded wiring harnesses, leading to fault codes a...More
      As someone who drives and repairs Peterbilt trucks, I've faced numerous electrical problems due to corroded wiring harnesses, leading to fault codes and dead batteries. Ordered this part off of the Roadwarrior website and the trucks are running smoothly without any electrical issues, even during the winter months.
      Helpful? 0 0
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    Next Day Is Nice, Same Day is Better!​

    A faulty emissions control system can cost you thousands in wasted man-hours as your heavy equipment sits in the shop awaiting a new part. Whether it’s a truck behind on orders, a bus that can’t take passengers, or heavy machinery delaying construction deadlines, Roadwarrior can get you moving again!

    Roadwarrior has twelve warehouses across the U.S.A. and Canada, which can deliver the most popular aftertreatment parts in 1-2 days. With over 1,000 DPFs, DOCs and SCRs on offer, Roadwarrior offers the largest aftertreatment catalogue.

    *LightningVolt lithium batteries ship directly from Roadwarrior in Ontario, to ALL 50 states, including Alaska and Hawaii within 2-4 days.

    Roadwarrior Has You Covered!

    All Roadwarrior emissions parts carry a full value 12 month warranty.

    LightningVolt lithium batteries carry a full value 30 month warranty.

    To make the process hassle-free, our parts have a metal nameplate with the serial number, so even after 500,000 miles of service, it’s still easy to identify. This avoids the common problem of serial numbers printed on stickers that burn off after the first start-up, making them impossible to return. Our failsafe system allows us to work in your interests, honouring claims for on-road and off-road replacements, and giving you peace of mind.

    And since Roadwarrior parts are designed to meet or exceed OEM specifications, you can rest easy knowing our direct fit parts will take the problems out of your aftertreatment without interfering with your OEM warranty.

    FIND MY PART

    Better Coating, Better Performance.

    Roadwarrior is the only manufacturer to use Metalcor® catalyst technology across its entire range of Diesel Oxidation Catalysts (DOCs) and Selective Catalytic Reduction catalysts (SCRs). Metalcor® catalysts feature high activity catalyst coatings fused to thinner, stronger, catalyst substrates to guarantee maximum performance under the harshest conditions.

    Metalcor® catalyst coatings are designed and produced in our own labs. We then inspect each unit to ensure you get more fuel efficiency, lower consumption of DEF, and long term performance from your heavy duty engine!

    LEARN MORE

    Better Coating, Better Performance.

    Roadwarrior is the only manufacturer to use Metalcor® catalyst technology across its entire range of Diesel Oxidation Catalysts (DOCs) and Selective Catalytic Reduction catalysts (SCRs). Metalcor® catalysts feature high activity catalyst coatings fused to thinner, stronger, catalyst substrates to guarantee maximum performance under the harshest conditions.

    Metalcor® catalyst coatings are designed and produced in our own labs. We then inspect each unit to ensure you get more fuel efficiency, lower consumption of DEF, and long term performance from your heavy duty engine!

    LEARN MORE
    METLOGO_1CPOS_BLK_HORIZ

    Roadwarrior Has You Covered!

    All Roadwarrior emissions parts carry a full value 12 month warranty.

    LightningVolt lithium batteries carry a full value 30 month warranty.

    To make the process hassle-free, our parts have a metal nameplate with the serial number, so even after 500,000 miles of service, it’s still easy to identify. This avoids the common problem of serial numbers printed on stickers that burn off after the first start-up, making them impossible to return. Our failsafe system allows us to work in your interests, honouring claims for on-road and off-road replacements, and giving you peace of mind.

    And since Roadwarrior parts are designed to meet or exceed OEM specifications, you can rest easy knowing our direct fit parts will take the problems out of your aftertreatment without interfering with your OEM warranty.

    FIND MY PART

    Next Day Is Nice, Same Day is Better!​

    A faulty emissions control system can cost you thousands in wasted man-hours as your heavy equipment sits in the shop awaiting a new part. Whether it’s a truck behind on orders, a bus that can’t take passengers, or heavy machinery delaying construction deadlines, Roadwarrior can get you moving again! 

    Roadwarrior has twelve warehouses across the U.S.A. and Canada, which can deliver the most popular aftertreatment parts in 1-2 days. With over 1,000 DPFs, DOCs and SCRs on offer, Roadwarrior offers the largest aftertreatment catalogue.

    *LightningVolt lithium batteries ship directly from Roadwarrior in Ontario, to ALL 50 states, including Alaska and Hawaii within 2-4 days.

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