Cummins 6CT 8.3L Cylinder Block Double/ Single thermostat Cylinder Block

Buy high-quality Cummins 6CT 8.3L cylinder block from Ruich Value, a leading manufacturer and supplier of engine parts for marine, industrial, and automotive applications.

Brief introduction

The Cummins 6CT 8.3L cylinder block is a robust and durable engine component that supports the high performance and reliability of the Cummins 6CT series engines. The cylinder block is designed with replaceable wet cylinders for longer life and lower rebuild cost and can accommodate either a double or a single thermostat configuration depending on the application. The cylinder block is made of high-quality cast iron and undergoes rigorous testing and inspection to ensure optimal fit and function.


  • Compatible with Cummins 6CT/6CTA8.3 engines for marine, industrial, and automotive applications
  • Available in both double and single thermostat versions to suit different cooling requirements
  • Features crossflow cylinder head for maximum durability and optimized combustion
  • Supports high injection pressures for cleaner combustion and lower emissions
  • Meets or exceeds OEM specifications and quality standards

Product info

Material Cast iron
Production process Casting, machining, testing, inspection
Application Cummins 6CT/6CTA8.3 engines for marine, industrial, and automotive applications
Engine models 6CT8.3-DM, 6CTA8.3-DM
Engine brands Cummins

Other related models

We also offer cylinder blocks for other Cummins engine models, such as:

Engine model Cylinder block part number
4B/4BTA3.9 3903920
6B/6BTA5.9 3905806
6D102 4089702
6C/6CT(single thermostat) 3971411
6CT(double thermostat) 4946587
6L/6LT 4946152
6LT-9.3 4946587
QSC8.3 4946587
X15 4311622
NT855 3044515
ISM11 4060393
ISG 4089702
ISLE 4946152
K19 3088303

Contact us

If you want to know more about Cummins Cylinder Block 6CT or other products we offered, please contact us anytime.