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Cummins L9 SCR 2022-2024: OEM 5418547

CUMMINS L9 SCR 2022-2024: OEM 5418547

Shipping ICON

ORDERS PLACED BEFORE 3PM EST WILL SHIP SAME DAY

WARRANTY ICON

WARRANTY
1M MILES OR 1 YEAR

$4,995.00

AVAILABILITY IN STOCK
OEM NUMBER5418547
PART TYPESCR
BRANDTamerx Diesel Products
ENGINE MAKECummins
ENGINE TYPEL9
YEAR2022-2024
PART NUMBER5418547RM-SCR
APPLICATION NOTESAutocar 260-350 EPA21

PRODUCT DESCRIPTION

This is a Remanufactured Tamerx SCR, Tamerx part number 5418547RM-SCR ( OEM Part Number 5418547 ). All parts are proudly remanufactured in the U.S.A. to the highest of OEM standards, and improvements are often applied to the original design in the remanufacturing process. This part is primarily made for a Cummins L9, production years 2022-2024, and comes with a One Million Miles or One Year Warranty. For additional warranty info Click Here

OEM NUMBERS

Primary OEM5418547
Additional OEM5418547

ADDITIONAL DETAILS

CONDITIONRemanufactured
UPC / Barcode00840490551046
WEIGHT75.00 LBS

SHIPPING OPTIONS

Ship Weight : 75.00 LBS
UPS Ground, 2nd Day Air, Next Day Air

SHIPPING POLICY

Tamerx Diesel Products ships via UPS Ground. Next day air shipping can be arranged for a reasonable price of anywhere from $50.00 - $100.00 depending on the weight of the product and your location. We will do everything we can to make sure that you get the service you need. We understand how important it is to receive your order as quickly as possible.
In most cases Tamerx Diesel Products only needs one address, as long as your product is shipping to the same location as your billing information. In order to eliminate credit card fraud, your billing information must match the credit card you provide.

The terms, conditions, and details of our warranty vary from product to product. Specific warranty details can be found below.

Tamerx Diesel Products provides a replacement warranty on all of our parts. The duration and mileage limitations of the warranty vary by product and are specified on the product's detail page/item listing.

Please note that the warranty covers replacement of the part and the cost of shipping the replacement part to you only. It does not cover any shop, labor, towing, or any similar or related costs. This is not a "money back guarantee".

If you experience a problem with your part or it is not functioning properly, the correct warranty procedure is to call us at (510) 257-1777 (8:00 AM - 5:00 PM ET Monday through Friday). Be sure to have your order number and/or other relevant order information ready so we can easily locate your order and resolve your issue as quickly as possible. From that point, we will review with you any troubleshooting steps that may need to be taken and other areas or systems that can be checked to rule out external problems contributing to your part's issue. If a replacement is determined to be necessary, we will then arrange for your replacement part to ship out ASAP and issue any necessary return shipping labels and/or documents.

As is the case for the majority of the diesel products sold on Tamerx Diesel Products, your part's warranty is active as soon as you install it. In some other cases, warranty activation is contingent upon you sending us your core (i.e., your old part). Tamerx Diesel Products will provide you a return shipping label for parts that have a warranty with a core return condition. When we have received your core return, the part's warranty coverage begins. We reserve the right to void the product warranty if your core is not received within the allotted time, or if it isn't received at all. If the warranty for the diesel part you are purchasing has a core return requirement, it will be clearly noted on the product detail page/item listing.

What is a Core Charge?

A core charge (also called "core deposit") is similar to the deposit you might pay for a can or bottle of soda and is a standard requirement in the auto parts industry. For example, in many states, to promote recycling, you pay a deposit when you purchase a can of soda and receive your deposit back when you return the empty can. Many automotive parts have a core charge, or core price, that works in essentially the same way as a soda can deposit.

30 Day Core Charge Hold

You authorize Tamerx Diesel Products, to hold your credit card for the specified core charge amount and that you agree to return your core with 30 days of receiving the purchased part. When we have received your core return, the hold is released and the core charge payment is canceled.

The customer, or parts buyer, is responsible for any shipping costs associated with core returns unless otherwise specified in the product listing/detail page. Tamerx Diesel Products offers prepaid UPS shipping labels (SKU numbers UPS-CR1 and UPS-CR2) for use in returning your core that are available for purchase on our website during your shopping/order process.

The shipping label you will need to use for the core return is dependent upon what part you are purchasing. UPS-CR1 is good for cores weighing up to 20 pounds. UPS-CR2 is appropriate for shipping cores weighing 21 pounds or more. You must include enough information with the core return that clearly identifies it as a.) a Core Return, and b.) contains enough information we can use to clearly associate the core return with your order. Including a copy of the invoice or packing slip that came with the original shipment, clearly marked "Core Return", is ideal. Alternately, you can include a note marked as "Core Return" that includes your order number, full name and address, and phone number or other contact information. Failure to include this information with your returned core will most likely delay any due core credit being issued and/or delay any applicable warranty activation. Core returns need to be for the exact part purchased and cannot be damaged. Substituting another part in place of the part you have purchased is not acceptable.

All fluids must be drained.

If you have purchased a set or a parts package, you will need to return cores for all components of the set. For example, if you have purchaed a high pressure oil pump with an IPR valve, you will need to return both HPOP and IPR valve cores to receive proper credit. If you have purchased an EGR cooler/EGR valve package, your core return must consist of an EGR cooler core and an EGR valve core, or core credit will not be given.

Core Charges are often mandated by state legislature, and, as such, the actual core charge and taxes on the charge may vary depending on the state in which you buy your part. The Tamerx Diesel Products core charge presented to you online today with your item is representative of the most common core charge.


An essential component in modern diesel emissions systems, the Cummins L9 SCR (OEM 5418547) is designed for 2022–2024 Cummins L9 engines. It works within the selective catalytic reduction system to help manage exhaust gases and support proper emissions control. Built to meet OEM specifications, this unit offers dependable compatibility and a direct-fit design for easier installation. A reliable replacement option for maintaining the proper function of your L9 aftertreatment system.

FITMENT CHART

YEARMAKEENGINE(S)
2022Cummins L9
2023Cummins L9
2024Cummins L9

PEOPLE ALSO ASKS | BLOG(S)

Diesel engines equipped with advanced exhaust systems rely on specialized components to reduce harmful gases before they exit the vehicle. The Cummins L9 SCR 2022–2024: OEM 5418547 is a Selective Catalytic Reduction (SCR) assembly designed to help manage nitrogen oxide emissions produced during diesel combustion. Installed within the aftertreatment system, this SCR unit works together with diesel exhaust fluid to convert nitrogen oxides into nitrogen and water vapor during the catalytic reaction process.

  • Designed for Cummins L9 engines from 2022 to 2024, the OEM 5418547 SCR integrates with the factory exhaust aftertreatment configuration.

  • The catalyst chamber provides the surface where diesel exhaust fluid reacts with nitrogen oxide gases flowing through the exhaust stream.

  • As exhaust gases pass through the catalyst substrate, chemical reactions transform harmful pollutants into less harmful compounds.

  • The internal catalyst structure contains multiple channels that increase the contact area for exhaust gas treatment.

  • A properly functioning OEM 5418547 SCR assembly helps maintain stable emission readings between upstream and downstream NOx sensors.

  • Correct SCR operation supports coordination between the DEF dosing system and the rest of the aftertreatment components.

  • The catalyst housing is designed to withstand continuous exposure to high exhaust temperatures during heavy-duty truck operation.

  • Replacing a restricted or deteriorated SCR unit helps restore effective exhaust gas conversion within the emission system.

The Cummins L9 SCR 2022–2024: OEM 5418547 from Tamerx Diesel Parts provides a reliable replacement option for maintaining proper aftertreatment system function. Installing the correct SCR assembly helps ensure consistent exhaust gas processing and dependable emission system operation.

The Selective Catalytic Reduction (SCR) system is designed to reduce nitrogen oxide (NOx) emissions by using Diesel Exhaust Fluid (DEF) to convert harmful gases into less harmful compounds. When operating properly, the SCR system works efficiently without noticeable issues. However, several factors can reduce its performance and trigger warning lights or engine derate conditions.

  • Contaminated or poor-quality DEF can interfere with the chemical reaction inside the catalyst, reducing its ability to lower NOx emissions.

  • Low DEF levels or improper dosing from a faulty injector can prevent the system from functioning correctly.

  • Excessive oil consumption may allow oil to enter the exhaust stream, coating the catalyst and decreasing efficiency.

  • Coolant leaks can introduce harmful deposits into the SCR, causing internal damage over time.

  • Unresolved Diesel Particulate Filter (DPF) problems can affect exhaust temperatures and flow, placing additional stress on the SCR system.

  • Faulty NOx sensors or temperature sensors may send inaccurate data to the engine control module, impacting system operation.

  • Prolonged neglect of warning lights or fault codes can allow minor issues to worsen and reduce overall catalyst effectiveness.

Maintaining proper DEF quality, addressing engine issues promptly, and keeping the entire aftertreatment system in good condition are key to preserving SCR performance. Early diagnosis and routine inspections help ensure reliable emissions control and long-term durability.

 

Symptoms may include emissions system warning lights, engine derate, or fault codes related to the aftertreatment system.

If the Cummins L9 SCR 2022–2024: OEM 5418547 is not working properly, the engine control system may limit power to maintain emissions compliance.

Yes, the Cummins L9 SCR 2022–2024: OEM 5418547 is one of the main components within the diesel aftertreatment system.

The Cummins L9 SCR 2022–2024: OEM 5418547 primarily reduces nitrogen oxide emissions produced during diesel combustion.

Cummins SCRs