Two bolt on type flange connections facing engine with two 3/8 " N.C. threaded holes in each. One 3/4 ", one 3/8 " and two 1/4 " N.P.T. fittings facing engine. Two groups of three 3/8 " N.C. threaded holes near each end of tank facing engine. One hole on top passenger - engine side for filler neck. NOTE: Matches #MK 664 or #MK 664-1 bottom tank

This tank has two bolt-on type flanges with two 7/16 " threaded holes in each, and two mounting brackets with holes @ 8.00 " centers.

One 2.50 " O.D. hose connection on driver

Same as model #MK 660 except header is 7/8 " wider and mounting brackets are higher.

This tank has a bolt-on type flange angled at approximately 40 degrees, with four 7/16 " NC threaded holes. There are two 5/8 " NC mounting holes @ 9.00 " centers.

One flange in center of tank with a 2.75 " dia. hole and two bolt holes with 7/16 " N.C. threads. One flange on driver

This tank has a bolt-on type flange on the driver

Two bolt-on type flanges with two 3/8 " N.C. threaded holes in each. One 1.00 " O.D. hose connection. One 3/8 " and one 1/4 " N.P.T. fittings. One 1.75 " hole on top for filler neck. NOTE: 1.00 " O.D. hose connection is closed when shipped. By either cutting open 1.00 " O.D. hose connection or drilling a series of 3/8 " holes in baffle, this tank can be used in two different models of Mack trucks. Matches model #MK 660 Mack bottom tank.

Two bolt-on type connections with two 3/8 " N.C. threaded holes each. One 3/8 " N.P.T. fitting. One 1.75 " hole in top for filler neck. Matches model #MK 662 Mack bottom tank.

Two flanges with two 7/16 " N.C. threads in each. One 1.00 " O.D. pipe connection facing driver

Flanges on both ends have 8 holes, 4 tapped 5/16 " N.C. and 4 drilled clearance for 5/16 " bolts. Various other holes for shroud, brackets, etc. NOTE: Frames are interchangeable.

Flanges on both ends have 8 holes, 2 tapped 3/8 " N.C. and 6 drilled clearance for 3/8 " bolts. Extra bracket on one side with two 5/16 " N.C. threaded holes. NOTE: Frames are not interchangeable. Order left for driver

Top bottom flange each have 8 holes, 4 tapped 5/16 " N.C. and 4 drilled clearance for 5/16 " bolts. One bracket on fan side with two 5/16 " N.C. threaded holes. Various other holes on sides and back for shroud, brackets, etc. NOTE: Frames are not interchangeable. Order left for driver

Flanges on both ends have 8 holes, 2 tapped 5/16 " N.C. and 6 drilled clearance for 5/16 " bolts. Various other holes for shroud, brackets, etc. NOTE: Side frames are interchangeable.

Flanges on both ends have 8 holes, 2 tapped 5/16 " N.C. thread and 6 drilled clearance for 5/16 " bolts. Various other holes for shroud, brackets, etc. NOTE: Frames are interchangeable.

Flanges on both ends have 8 holes, 2 tapped 5/16 " N.C. and 6 drilled clearance for 5/16 " bolts. Various other holes for shroud, brackets, etc. NOTE: Side frames are interchangeable

Top flange has 10 holes, 6 drilled clearance for 5/16 " bolts and 4 tapped 5/16 " N.C. threads. Top flange also has a bracket extending the header width to 9.00 ", with two more holes drilled clearance for 5/16 " bolts. Frame has three angle brackets. Various other holes for brackets, shroud, etc. NOTE: Frames are not interchangeable. Order left for driver

Sixteen 5/16 " N.C. threaded holes in baffle. One 3/8 " slot in baffle. One 2.00 " O.D. hose connection on driver

One flange with four 3/8 " N.C. threads. Two 1/4 ", one 3/8 " and one 3/4 " N.P.T. fittings. Two mounting brackets (one on each end) with a three hole pattern on each. NOTE: As there are two locations for the filler neck on this tank, (on top or on front top corner). Specify which location you would like.

This tank has a 2.00 " diameter hose connection on the driver side of center, a 1/4 " and a 1/8 " NPT flange on the front, a 1.25 " hole on top for filler neck, two 5/16 " NC threaded holes on the top of tank @ 22.00 " centers, and four small holes that drain the surge tank into the header.

Top flange has 11 holes, 6 drilled clearance for 5/16 " bolts and 5 taped 5/16 " N.C. Bottom flange has 9 holes, 6 drilled clearance for 5/16 " bolts and 3 tapped 5/16 " N.C. Total of fourteen 3/8 " N.C. threaded nuts on channel, 5 on each side and 4 on flat side of channel. NOTE: Frames are interchangeable.

Each flange has 11 bolt holes, 5 drilled 5/16 ". There are two slotted holes on the back of the rail. Seven 5/16 " N.C. nuts on back of rail. Four 3/8 " N.C. threaded holes on fan side of frame. NOTE: Frames are not interchangeable. Order left for driver 's side and right for passenger 's side or pairs.

Bottom tank has two mounting plates threaded with 5/8 " N.C. One 1/4 " NPT fitting. One 2.50 " O.D. pipe. One 3/4 " NPT fitting. Two holes for 18.00 " 14 plate oil cooler. NOTE: Oil cooler is NOT included with the tank. Please order oil cooler separately.

Bottom tank has one 2.50 " hose connection. One 1/4 " NPT fitting. Two mounting plates threaded 5/8 " N.C. One 3/4 " NPT fitting. Two holes for a 14 plate 18.00 " center oil cooler. NOTE: Oil cooler is NOT included with the tank. It must be ordered separately.

Top tank has one 2.50 " OH hose connection. One 1.00 " bypass connection. One 1.75 " hole on top for a filler neck. One 1/2 " NPT fitting on grill side for sight glass. One angle bracket on top of the tank with six holes. Two 1/4 " NPT fittings. Tank is de-aerated.

This top tank has a 2.25 " diameter hose connection, a 1.00 " bypass connection, a 1.75 " hole on top for a filler neck, a 1/2 " NPT flange on the grill side for a sight glass, an angle bracket on the top of the tank with six holes, and two 1/4 " NPT fittings. This tank is de-aerated.

Flanges have 11 bolt holes, five are 5/16 " N.C. There are five 5/16 " N.C. threaded nuts on each side of the rail. Six 3/8 " N.C. threaded holes on the back. Note: rails are interchangeable left or right.

This top tank has an angle bracket on the top of the tank with 6 holes, a 1.00 " hose connection in the center of the tank, two 1/4 " NPT fittings, a 1/2 " NPT fitting on the back for a sight glass, a hole for filler neck on the top of the tank, a 1.00 " NPT access for a check valve, and a 3/4 " NPT fitting for a fill bypass.

This bottom tank has two mounting plates with a 5/8 " NC threaded hole in the center, a 1.00 " diameter hose connection that runs along the front of the tank, a 1.25 " diameter hose connection, and two 1/4 " NPT drain flanges. A baffle divides the tank across the width.

This tank has a 2.50 " diameter hose connection, a 1.25 " diameter hole in top for a fill neck, a 1/4 " NPT flange on the face of the surge tank, a 3/8 " diameter fitting on the face of the surge tank underneath the 1/4 " flange, and two 3/4 " NPT fittings to accommodate a 1.00 " diameter bypass fitting. This tank is de-airated. Note: this tank 's bolt hole pattern matches tank #MK 679. Front and bottom views shown here

This tank has a 2.50 " diameter hose connection, a 1.25 " diameter hole in the top for a filler neck, a 1/4 " NPT fitting on the face of the surge tank, a 3/8 " NPT fitting underneath the 1/4 " fitting, and two 3/4 " NPT fittings to accommodate a 1.00 " diameter bypass. This tank is de-airated. Note: this tank shares the bolt pattern with tank #MK 679. Front and bottom views shown here.

This tank has combined fittings and connections to serve both Titan and Superliner applications. The hose connections are blocked off, so the appropriate hose connection needs to be opened before installing. Note: this tank shares the bolt pattern with tank #MK 679. Front and bottom views shown here.

This tank is similar to tank #MK 662, except with 5/8 " NF mounting nuts instead of brackets, and only one flanged connection. Bolt-on hose connection has a 2.50 " diameter and turns on a 90 degree bend. The tank has a 3/8 " NPT flange in the center for a drain.

Top Tank This tank has a 2.00 " diameter hose connection 14.00 " from the edge of the tank to the center of the hose connection, and two mounting bosses on each end of the tank to attach side frame. Bottom Tank This tank has 2.50 " diameter hose connection 15.37 " from the edge of the tank to the center of the hose connection, and two mounting bosses at each end of the tank to attach side frames.

Top Tank This tank has a 2.00 " diameter hose connection 4.00 " from the edge of the tank to the center of the hose connection, a 1/4 " NPT flange on top for a barb fitting, and mounting lugs on each end. Bottom Tank This tank has a 2.00 " diameter hose connection pointing downwards towards the ground, and mounting lugs on each end

Top Tank This tank has a 2.00 " diameter hose connection angled slightly upwards 6.75 " from the edge of the tank to the center of the hose connection, and a mounting bracket on each end of the tank. Bottom Tank This tank has a 2.00 " diameter hose connection that comes straight out 6.75 " from the edge of the tank to the center of the hose connection, a mounting bracket on each end of the tank, and a 1/4 " NPT flange for a drain cock (supplied). This tank set matches brass kit #MK 9602.

This small brackets have a 3-bolt pattern for mounting a Charged Air Cooler to the front of the radiator. Note: matches with tank #MK 6626.

This small brackets have a 3-bolt pattern for mounting a Charged Air Cooler to the front of the radiator. Note: matches with tank #MK 6626.

16.00 " Long Used for MK8173PTO and MK8173PTOA

One 2.50 " O.D. hose connection straight out bottom. Tank slopes from end to hose connection.

This tank has a 2.50 " diameter hose connection, and a 3/8 " NPT flange. Note: tank #MK 6628 is the same tank with a 7 plate oil cooler with 18.00 " centers.

This tank has a 2.50 " diameter hose connection with a 3/8 " NPT flange next to it, and a 1.25 " diameter hose connection coming out of the end of the tank at a 90 degree angle and facing into the radiator at about a 45 degree angle.

This tank has a 2.50 " diameter hose connection 16.12 " from the end, and two mounting brackets approximately 2.50 " high (they taper about a 1/4 "). Each mounting bracket has a 5/8 " diameter hole and are 20.00 " center to center.

One 2.50 " O.D. hose connection, 6.50 " in from end. One mounting bracket 7.25 " high with two 5/8 " diameter holes at 8.00 " centers. Tank is only 1.37 " deep.

One 2.00 " O.D. hose connection, straight out to engine on passenger side 11.18 " in. One bracket on each end of tank with a 5/16 " diameter hole in each.

One 2.50 " hose connection on driver

One 2.50 " O.D. hose connection on driver