truck - radiator tanks and parts - Bolt on Top Tanks - gmc

This tank has a 3.00" diameter hose connection
1.00 " bypass hose
Two 1/2" NPT flanges for sight glasses ect.,
1/4" NPT flange for a sensor
A deairation fitting same as Ford style
1.37" diameter hole for a fill neck

Twenty-five 5/16" NC threaded holes in the built-in baffle
1.00" diameter hose connection straight down from the baffle on the passenger side
Two bolt-on type flanges with two 3/8" NC threaded holes in each
Two 1/2" a 3/8" and a 1/4" NPT flange.
The top front corners of the tank are cut lower, and there are two cut-outs across the top of the tank
1.25" hole for a filler neck on the sloped cut-out on the passenger side
Note : Bolt-on hose connection(s) and/or flat plate(s) available for this tank - must be requested.

This low flow top tank comes complete with check valve
Twenty five 5/16" NC threaded holes in the built in baffle
1.00" diameter hose connection straight down from the baffle on passenger side
Two 1/2" NPT and one 1/8" NPT flange facing the engine
Bolt-on type flange on top of the tank to access the check valve
The top front corners of the tank are cut lower and there are two rounded cut-outs across top of tank
1.25" diameter hole for filler neck on top passenger side corner.

Bolt-on type flange in the baffle with two 3/8" NC threaded holes
Two bolt-on type flanges with two 3/8" NC threaded holes
Two 1/2" NPT fittings (on each end)
One 5/8" OD hose connection on passenger side
1.75" hole on the top for a filler neck
There is a flange on the front with two 3/8" NC threaded holes.

This driver side tank has a 2.75" diameter hose connection

This tank has a 2.75" diameter hose connection
The tank header tapers 1/2" from the engine side to the grill side on the end with the hose connection only