CTA 4044 - 6.6L Duramax F/R Crankshaft Seal Service Kit

SKU: CTA 4044
Regular price $500.00

The CTA Manufacturing 4044 is a specialized automotive tool kit designed for servicing (removing and installing) the front and rear crankshaft seals on 6.6L Duramax diesel engines, providing the necessary specialized tools for a proper and safe repair.


Purpose: This kit is specifically engineered to enable mechanics and technicians to safely and efficiently replace both the front and rear crankshaft seals on Duramax engines.
Compatibility: It is designed for 6.6L Duramax diesel engines, primarily found in GM, Isuzu, and GMT800 HD trucks manufactured between 2001 and 2016.
Kit Components: The 4044 is a comprehensive "master kit" that typically includes the following individual tools:
  • #3878 Rear Crankshaft Seal Installer: Used to precisely press fit the new rear crankshaft seal.
  • #3879 Front Crankshaft Seal Installer: Used to precisely press fit the new front crankshaft seal.
  • #4042 Front Crankshaft Seal/Wear Sleeve Remover: Designed to safely pull the front seal and wear sleeve without causing damage to the engine components.
  • #4043 Rear Crankshaft Seal Remover: Features jaws to grab and remove the rear seal securely and without damage.

Precision Engineering: All components are precision-engineered to ensure proper fitment of both the inner and outer seal bodies.
Damage Prevention: The removers use controlled force and specialized jaws to prevent damage to the seals or the engine during the removal process.
Efficiency: The kit streamlines the process of crankshaft seal replacement, saving time and labor.
OEM Equivalent: The tools in this kit are often compared to or serve as equivalents to specific GM factory tools (e.g., J-44642, J-44645, J-44641, J-44644), indicating their adherence to professional standards.
Heavy-Duty Construction: Built from durable materials to withstand the rigors of professional shop use.

 WARNING: Cancer & Reproductive harm www.P65Warnings.ca.gov