Gasket illustration – not the actual part
Diesel Parts Direct logo
Roll over image to zoom in Click on image to zoom
Gasket illustration – not the actual partDiesel Parts Direct logo

Aftermarket parts may appear slightly different, including the packaging.

CumminsL10 / M11 / ISM / QSMOverhaul Gasket Sets

Cummins 4089478 Upper Engine Gasket Set

Compatible With L10, M11, Ism, and QSM11 Engines

Genuine Cummins Part

OEM #: 4089478SKU: 4089478

Ships in 4-5 days

$912.12

Taxes and Shipping are calculated at checkout

Special Order Item - not eligible for return

Non-Returnable

This part can be used in the following engine models:

  • L10: 1991 - STC and Celect
  • M11
  • ISM
  • QSM11
SKU 4089478
OEM Number 4089478
Part Type Lower End Gaskets
OEM Brand CUMMINS

Aftermarket warranty

View full warranty details

Genuine Cummins parts warranty

View genuine warranty details
  • Orders are processed the same or next business day
  • Expedited shipping options available at Checkout
  • If same-day shipping is critical, please call to confirm availability

View full shipping policy

Call any of our friendly Parts Dept. Specialists with your engine serial number, and we can quickly verify whether this part is the correct part for your engine — no guesswork.

Phone: 888.687.0539

Don't know how to find your engine serial number? Go to our Engine Help Center for assistance.

Frequently bought together

Cummins 4955665 Oil Seal Kit For L10 Diesel EnginesCummins 4955665 Oil Seal Kit For L10 Diesel Engines - view 2
CUMMINS Cummins 4955665 Oil Seal Kit For L10 Diesel Engines
From $71.09
Ships in 4-5 days
Choose options
DS-3401290 Oil Pan Gasket For M11, Ism, And QSM Cummins Diesel EnginesDiesel Parts Direct logo
CUMMINS DS-3401290 Oil Pan Gasket For M11, Ism, And QSM Cummins Diesel Engines
$55.27
In Stock
DS-3804304 Accessory Drive Oil Seal Kit For Cummins L10 And M11 Diesel EnginesDS-3804304 Accessory Drive Oil Seal Kit For Cummins L10 And M11 Diesel Engines - view 2
CUMMINS DS-3804304 Accessory Drive Oil Seal Kit For Cummins L10 And M11 Diesel Engines
$68.79
In Stock
Cylinder kit illustration – not the actual partDiesel Parts Direct logo
CUMMINS DS-4025162 Complete Cylinder Kit For Cummins Diesel Engines
$711.60
Ships in 1-2 days
DS-3803977 Piston Ring Set For Cummins Diesel EnginesDiesel Parts Direct logo
CUMMINS DS-3803977 Piston Ring Set For Cummins Diesel Engines
$69.07
In Stock
DS-4089998 Lower Engine Gasket Set For Cummins EnginesDS-4089998 Lower Engine Gasket Set For Cummins Engines - view 2
CUMMINS DS-4089998 Lower Engine Gasket Set For Cummins Engines
$549.21
Ships in 1-2 days
Choose options
Cylinder liner kit illustration – not the actual partDiesel Parts Direct logo
CUMMINS DS-3803703 Cylinder Liner For M11, Ism, And QSM Cummins Diesel Engines
$114.20
Ships in 1-2 days
Diesel Parts Direct logo
CUMMINS DS-4089544 Rear Seal Kit For L10 Cummins Diesel Engines
$86.14
Ships in 1-2 days
DS-4003966 Valve Stem Seal For Ism, Qsm, And M11 Cummins EnginesDS-4003966 Valve Stem Seal For Ism, Qsm, And M11 Cummins Engines - view 2
CUMMINS DS-4003966 Valve Stem Seal For Ism, Qsm, And M11 Cummins Engines
$1.50
In Stock
Diesel Parts Direct logo
CUMMINS DS-3328781 Valve Stem Seal For Cummins L10, M11, And ISM Diesel Engines
$1.76
Ships in 1-2 days