truck - radiator tanks and parts - Bolt on Top Tanks - western star

This tank has two bolt-on flanges with four 3/8" NF threaded holes in each, a bolt-on flange with two 3/8" NF threaded holes, two 1/4" NPT and one 3/8" NPT flange facing the engine, a 1.75" hole on top for a filler neck, a bolt-on flange in the baffle with four 5/16" NC threaded holes, and nineteen 5/16" NC threaded mounting holes in the baffle. The tank is lower on the passenger side to accommodate a CAC hose.

This tank is the same as tank #WS 498, but with out the CAC cut-out and one less 1/4" NPT flange facing the engine.

This tank has three bolt-on type flange connections, a 1/4" NPT and a 3/8" NPT flange, a 1.25" hole on top for the solder on cap, and a bolt-on type flange in the built-in baffle. This tank is similar to tank #WS 499, but with slightly different header dimensions and bolt pattern. NOTE: filler neck or caps not available.

This tank has a 2.50" diameter hose connection, a bolt-on type flange on the front and rear of the tank, a 3/8" NPT flange, two 1/4" NPT and two 1/8" NPT flanges, and a bolt-on type flange in the built-in baffle. Note: filler necks or caps not available.

This tank is the same as tank #WS 501 except that it has two 2.50" diameter hose connections @ 14.00" centers.

This tank has two bolt-on type flanges with four 3/8" NC threaded holes, two 1/8"NPT a 3/8" NPT and a 1/2" NPT flange, a bolt-on flange with two 3/8" NC threaded holes on the top of the tank, a 1.25" hole on top for filler neck, a 1/2" NPT flange and one bolt-on type flange with two 3/8" NC threaded holes on the grill side, and a bolt-on type flange with four 5/16" NC threaded holes in the baffle on the passenger's side.

This tank has two bolt-on type flanges with four 3/8" NC threaded holes in each, a bolt-on type flange on the passenger's side with two 3/8" NPT flanges facing the engine, a bolt-on type flange on the top with two 3/8" NC threaded holes, a 1.25" hole on the top for a filler neck, a 1/2" NPT flange facing the grill side, and a bolt-on type flange with four 5/16" NC threaded holes in the baffle on the passenger's side.

This tank has a built-in baffle with twenty-three 5/16" NC threaded holes for the header, a flange in the baffle on the passenger side with four 5/16" threaded holes, two bolt-on type flanges with four 3/8" NC threaded holes in each, a bolt-on type flange on the passenger side with two 3/8" NC threaded holes, two 1/8" one 3/8" and one 1/2" NPT flange facing the engine, and a 1/2" NPT flange on the grill side just below the cut-out for the filler neck.

One 2.50" O.D. hose connection, 6.50" in from the end of the tank to the center of the connection. One 1.00" O.D. hose connection facing down and out to passenger side. Two 1/4" NPT fittings, one 3/8" NPT fitting and 1/2" NPT fitting, all facing engine. One 1.25" hole on top for filler neck. Top of tank slopes down to front.

"Low Flow" top tank, comes complete with check valve. One 1.00" O.D. hose connection facing down and out to passenger side. Two 1/4" N.P.T. fittings, on 3/8" N.P.T. fitting and 1/2" N.P.T. fitting, all facing engine. One 1.25" hole on top for filler neck. Top of tank slopes down to front.

This tank has a 2.50" diameter hose connection on the passenger side (slightly upward), and a 1/4" NPT flange.

This tank has a 2.50" hose connection 4.50" long 8.50" from the edge of the tank the center of the hose connection, and two 1/4" NPT flanges; one on the top of the tank and one facing the engine. Note: similar to a #WS 5091, but with a longer length and more bolt holes.

This Volvo/Western Star top tank has one 2.50" diameter hose connection, and two 1/4" NPT flanges.

This surge tank has a 1.00" NPT fitting, seven 1/4" NPT fittings, a sight glass fitting, and a hole on the top of the tank for a filler neck. This tank is very similar to surge tank #FL 461 but with the fittings in different locations - check carefully before ordering.

This Western Star / Volvo top tank has a 2.50" diameter hose connection on the passenger side, and a 1/4" NPT flange for an expansion fitting. Note: shown here with matching bottom tank #WS 5154

This tank has a 2.50" diameter hose connection coming straight out on the passenger side (10.75" in from end), and two 1/4" NPT flanges.

This tank has a baffle 7/16" from the center of the tank, and two 1/4" NPT fittings on top - 10.00" in from each end. Note: pairs with tank #WS 517LF bottom tank ( 4 pass system).