Cummins Engines

Faster Draining
Our oil drain plugs are engineered to expedite the oil changing process for Cummins engines. With Femco, you can say goodbye to time-consuming oil changes and hello to more efficient maintenance routines.

Safer for Your Engine
Our plugs ensure a secure fit and prevent any accidental damage during oil changes. Protect your Cummins engine from potential harm with Femco’s dependable and robust oil drain plugs.

Cleaner Oil Changes
Femco’s precision-crafted plugs minimize oil spillage, keeping your workspace cleaner and environmentally friendly. We understand the value of a clean and safe working environment.

A Perfect Fit for Every Cummins Engine
With Femco, you have access to a vast inventory of over 600 plug sizes, ensuring that you’ll always find the perfect fit for your Cummins engines.

OEM-Grade Quality
Our oil drain plugs are designed to meet OEM specifications, guaranteeing a perfect fit and optimal performance for your Cummins engine. You can trust Femco’s products to maintain the integrity of your engine. Invest in Femco’s oil drain plugs today and experience the difference in speed, safety, and cleanliness for your Cummins engine maintenance.

If you have any questions about our products or need assistance finding the right plug size for your Cummins engine, don’t hesitate to reach out. You can visit our contact page or email us at Our team is here to assist you and ensure that your Cummins engine receives the best care possible.


Plug size

Standard Plug

Click Drain Plug 

5.9L CPL2071, 8.3L 
Most ISB , ISC , ISL , 6B , 6C, QSL, ISLG, ISQ, B&C Series, 4BT3.9, 6BT5.9, 8.3L, QSC, 355
Pre 1995 Dodge 5.9L Diesel, 2003-2006 Dodge 5.9L Diesel, QSB, 
6.7L Diesel (plug on bottom)



ISX, QSX , Sig. 600 , QST30, N15, X15
OEM: 4926565 
OEM: 3680534

M27X2.0-T12 + O-RING

ISM , QSM , L10 , M11 , N14 , 444, 855, QSK50 , NTC , NT , NH, 350NT
: 3055069


Some, ISB , ISC , ISL , 6B , 6C, QSL
3.3L , 4.5L ,QSB, Other 6.7L Diesel (plug on side)


VT504 , 555 , 378V6, QSK


1995-2002 Dodge 5.9L Diesel


KT1150 , QSKT19, KTTA19

1 1/16″-12-UNF-T15

A2000 , A2300


QSK60, QSK45


* If the engine you are looking for is not listed, please check Femco’s catalog or contact us.