Where To Find My Cummins Engine Serial Number?

Find your Cummins engine serial number with Diesel Parts Direct’s easy to use guide. Owner’s manuals can easily be misplaced, so when you need quick access to your Cummins serial number location, we’re here to help. We’ve assembled a useful guide to assist in finding and interpreting Cummins engine data plates and on block serial numbers.

Clearly engine data plates contain necessary information, but sometimes they can become unreadable. Below you’ll find a list of Cummins data plate and serial number locations sure to speed identification. From the ISX Series to the 6CTA, we have them all.

Visit Diesel Parts Direct to perform your Cummins engine serial number lookup. You’ll be glad you did.

Find the dataplate on 4BT 3.9 /6BT 5.9 Engines

The long narrow metal tag that is attached to the front cover/gear housing contains the dataplate information. If you have lost the tag, look on the left side of the block, when looking from the front of the engine, above the oil cooler housing.

Find the dataplate on 6CTA Engines

The long narrow metal tag that is attached to the front cover/gear housing contains the dataplate information. If you have lost the tag, look on the left side of the block, when looking from the front of the engine, above the oil cooler housing.

Find the dataplate on ISB Engines

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)
• Critical Parts List (CPL)

Find the dataplate on ISC and ISL Engines

The dataplate is located on the top side of the gear housing. It includes the following information:

• Engine Serial Number (ESN)
• Critical Parts List (CPL)
• Model
• Horsepower and RPM rating

Find the dataplate on ISM Engines

The dataplate is located on the fuel pump side of the engine, on the rocker housing. It includes the following information:

• Engine Serial Number (ESN)
• Critical Parts List (CPL)
• Model
• Horsepower and RPM rating
• Emission statement (if applicable)

Find the dataplate on ISX Engines

The dataplate is located on top of the rocker lever cover. It includes the following information:

• Engine Serial Number (ESN)
• Critical Parts List (CPL)
• Model
• Horsepower and RPM rating

Find the dataplate on QSK45 and QSK60 Engines

The dataplate is located on the left bank side of the front gear cover. It includes the following information:

• Engine Serial Number (ESN)
• Critical Parts List (CPL)
• Horsepower and RPM rating