In the market for replacement parts for your Cummins diesel engine? It's important to know your engine serial number to ensure that you're getting the right fit for your engine.

In this post, we're taking you through where you can locate your ESN on your Cummins applications.

Complete overview of the Cummins ISB 6.7L engine. Includes fault codes, diagnostic information, and more. The history of the 5.9 liters ISB engine was ended in 2007. The next engine for light-duty trucks from Cummins became more powerful and technologically advanced the ISB 6.7 - the last engine of B series. Dodge RAM 24 Valve ISB. The ISB engine replaced the old 6BT for Dodge RAM pickup trucks in the middle of 1998. Cummins QSK45 and QSK60 engine serial numbers are visible on the front gear cover on the left side and sometimes on the rear of the block. Ordering Parts Using Your Cummins Engine Serial Number. When you’re working on a diesel engine, it’s essential to have access to parts built for your particular make and model of equipment. 8.3 Cummins engine serial number location. The dataplate typically located on the engine rocker cover, but may be located on the side of the gear housing. It includes the following information: Engine Serial Number (ESN Factory code. The ECM dataplate is located on the front of the ECM. Cummins ISB13, 6.7L Engine Long Block Rebuilt Diesel 65H5L067A, DR7003RX, CPL 3610, 3612, 4516 / 4607 CM2350 ISB13 / Model Year 15 / 6.7L.

How to Find a Cummins Engine Serial Number

Cummins engines will have the engine serial number on the dataplate. The dataplate on an engine can be a great reference because it will often also include additional information, such as CPL, horsepower, and RPM rating. However, the dataplate can be hard to find, as it will be in different locations based on the model of the engine. The location of the dataplate for your engine will be in your owner's manual. If you've long since lost the physical owners manual, but can accessCummins Quickserve, you can see a digital copy of the owner's manual there.

If you don't have your owner's manual and don't have access to Quickserve, we have the locations for the dataplate on some of the more popular engine models.

Cummins ISB:either rocker cover or side of the gear housing
Cummins ISC and ISL:top side of the gear housing
Cummins ISM:rocker housing, towards the fuel pump side of the engine
Cummins ISX:top of the rocker lever cover
Cummins QSK45 and QSK60:rear of the engine block

Unable to find the dataplate or don't see your engine model listed above? It's okay. Cummins also stamps the engine serial number into the passenger side of the engine block for all models.

Do you need parts for your Cummins engine? Our ASE Certified Technicians can get you the parts you need!

Cummins isb engine serial number location

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Cummins Engine Serial Number Format

Cummins engine serial numbers look more like a classic serial number thanCaterpillar ESNsdo. Cummins ESNs are eight digits long and are composed only of numbers. They go in a numerical sequence, based on which engine came first off the assembly line. There is no special designation for particular models.

Cummins engines do have something a little unique, called a CPL. CPL stands for Critical Parts List and is a list of the critical parts of the engine. There are fewer CPLs than ESNs because multiple engines can have the same CPLs. When ordering most major parts of an engine, providing a CPL will work just as well as supplying an ESN.

The Importance of Your Cummins Engine Serial Number

We know that finding and identifying your ESN can be a hassle, but knowing your ESN can be crucial when ordering parts for your diesel engine. Giving us part numbers will usually work if you are looking for a single part or two, but we absolutely need an ESN if you are looking for any kind of rebuild kit. If we know an ESN, we can look up all of the exact parts that your engine was built with, and know that were getting you the right stuff.

When you go tosome of our product pages, you will see a box under our price with the available options. One of the fields that appears is for you to input your Engine Serial Number. If you place an order without inputting your ESN for one of these products, you will get a call from us asking for it. We will always do this before processing an order if your ESN is required. We want to send you the wrong parts just as little as you want to get the wrong parts.

Cummins Isb Engine Serial Number Location

Got questions? We've got answers! The staff at HHP has ASE Certified Technicians with years of diesel engine experience. Give us a call at 844-304-7688 if you have any questions!

Cummins Isb Engine Serial Number Location Images

Originally Posted October 20, 2017; Edited November 13, 2020