Genuine GM/ACDELCO Oil filter for the full range of 3.6L and 3.0L found in the Commodore range. These filters do not suit RODEO, CAPTIVA or Colorado's. They have a spin on design.
 
GM Original Equipment

Features & Benefits:
Engineered with filtration to capture particulates as small as 30 microns
Lubricity gasket reduces installation torque
Full cover baseplate for easy installation in blind applications
Nylon core is 1.5x stronger than filters with metal cores and offers great flow characteristics
Synthetic end caps are ultrasonically welded to help prevent media blocked by adhesives used in traditional filters
 
ACDELCO PF2129G Specifications 
Anti-Drain Back Valve: No
Bypass Relief Valve: No
Filter Media Material: Paper
Flow Rate (gph): 396 gal (US)/hr
Gasket Inside Diameter (IN): 2.44
Gasket Thickness (IN): 0.09
Gasket Type: O-Ring
Height (IN): 3.82
Inner Diameter Bottom (IN): 0.71
Inner Diameter Top (IN): 2.087
Inner Diameter Top (mm): 53.009
Non Slip Grip: No
Outer Diameter Bottom (IN): 2.1
Outer Diameter Top (IN): 2.1
Torque Nut: No