The 1947 - Present Chevrolet & GMC Truck Message Board Network - View Single Post - 2004 Vortec 5.3 Oil Pressure Sending Unit?

clinebarger · 10-17-2017, 09:03 PM

1-1/16" socket, Your lucking a standard socket will fit '03/'04/'05/'06 truck sending units as earlier & newer require specialty sockets! Now it may require a thin wall chrome as a impact socket may not clear the valley cover (Gen 3 engines are different than the Gen 4 shown in the pic).

10-17-2017, 09:03 PM	#5
clinebarger Senior Member Join Date: May 2009 Location: Fort Worth, TX Posts: 6,370	Re: 2004 Vortec 5.3 Oil Pressure Sending Unit? 1-1/16" socket, Your lucking a standard socket will fit '03/'04/'05/'06 truck sending units as earlier & newer require specialty sockets! Now it may require a thin wall chrome as a impact socket may not clear the valley cover (Gen 3 engines are different than the Gen 4 shown in the pic).