
Komatsu PC170LC-11 SCR Outlet Catalyst Module
KOMATSU PC170LC-11 SCR OUTLET CATALYST MODULE

ORDERS PLACED BEFORE 3PM EST WILL SHIP SAME DAY

WARRANTY
1M MILES OR 1 YEAR
PRODUCT DESCRIPTION
This is a Remanufactured SCR Outlet Catalyst Module, part number 128-0017RM-SCR. 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 Komatsu PC170LC-11, and comes with a One Million Miles or One Year Warranty.
OEM NUMBERS
ADDITIONAL DETAILS
| CONDITION | Remanufactured |
| UPC / Barcode | 00840490558595 |
| WEIGHT | 90.00 LBS |
SHIPPING OPTIONS
Ship Weight : 90.00 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 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, 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 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.
Reduce harmful exhaust emissions with this Komatsu PC170LC-11 SCR Outlet Catalyst Module. This module helps convert nitrogen oxides into less harmful gases, supporting proper SCR aftertreatment system operation. A dependable replacement for damaged, restricted, or failing catalyst modules in compatible Komatsu PC170LC-11 equipment.
PEOPLE ALSO ASKS | BLOG(S)
The lifespan of an SCR Outlet Catalyst Module depends on engine operating conditions, exhaust temperatures, maintenance practices, and the overall condition of the diesel aftertreatment system. Although SCR catalysts are designed for extended service life and may last hundreds of thousands of miles in on-road diesel applications, their actual longevity varies depending on usage, contamination, and component condition.
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Operating conditions: Frequent short trips, prolonged idling, and demanding driving conditions can affect exhaust temperatures and catalyst operation over time.
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DEF quality: Contaminated or incorrect Diesel Exhaust Fluid (DEF) can interfere with SCR operation and contribute to deposits or catalyst damage.
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Exhaust temperature exposure: Excessive heat and repeated thermal stress can gradually damage the catalyst substrate and reduce its effectiveness.
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Engine oil contamination: Oil entering the exhaust system can leave deposits on catalyst surfaces, reducing their ability to convert nitrogen oxide (NOx) emissions.
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Proper DEF dosing: A malfunctioning DEF injector or dosing system can cause uneven DEF distribution, crystallization, and reduced catalyst efficiency.
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Exhaust system maintenance: Inspecting exhaust connections, sensors, and related aftertreatment components can help identify problems before they affect catalyst service life.
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Physical damage and restrictions: Cracked catalyst material, internal blockages, or excessive vibration can shorten the lifespan of an SCR Outlet Catalyst Module.
An SCR Outlet Catalyst Module does not have a universal replacement interval, and replacement should generally be based on confirmed damage or reduced catalyst efficiency rather than mileage alone. Monitoring NOx readings, addressing DEF system faults, and following manufacturer maintenance recommendations can help extend catalyst service life and maintain reliable emissions control.
Internal damage may reduce the catalyst surface area available for NOx conversion or interfere with exhaust flow. Severe deterioration can contribute to emissions faults, abnormal backpressure, or unusual exhaust noises.
SCR catalysts generally do not require the same routine soot and ash cleaning procedures used for Diesel Particulate Filters. If deposits or restrictions are suspected, technicians should follow Komatsu-approved inspection and service procedures.
Technicians can review diagnostic fault codes, monitor NOx sensor readings, inspect DEF dosing operation, and evaluate exhaust temperatures. These checks help determine whether the catalyst is reducing emissions as expected.
Replacement may be necessary when diagnostic testing confirms significant catalyst deterioration, internal substrate damage, or restrictions that cannot be corrected through approved service procedures. Related DEF and exhaust system problems should be addressed to prevent repeated failure.



