Page 413 - Lewis

412 Oil Coolers

These coolers are used on engine, transmission, hydraulic oil, water heaters, and most fluid-to-fluid
applications. Made of copper and brass with all seamless tubing. End caps are formed from extra-heavy
gauge copper. All are boxed and painted gray. Working pressure is 150 PSI on threaded side connec-
tions for standard models. "CN" is copper-nickel 90/10 core tubes. "Z" is for zinc and grounding lug.
2-Inch Standard 3-Inch Full-Size 4-Inch Jumbo
To order, complete part number using
corresponding number to N.P.T. Core Core
Diameter Oil Water Diameter Oil Water
Length Length
Core No. 3 6 - - No. 4 9 - -
Diameter Oil Water
Length No. 3 9 - - No. 4 12 - -
No. 2 5 - - No. 3 12 - - No. 4 15 - -
No. 2 6 - - No. 3 15 - - No. 4 18 - -
No. 2 9 - - No. 3 18 - - No. 4 24 - -
No. 2 12 - - No. 3 24 - - No. 4 30 - -
No. 2 15 - -
No. 2 18 - - Oil N.P.T.F Water Hose Spud Oil N.P.T.F Water Hose Spud
No. 2 24 - - (side connections) (flow through) (side connections) (flow through)
No. 2 30 - - PIPE HOSE ID. PIPE HOSE ID.
3/8" = 13 5/8" = 1 1/2" = 14 1" = 3
Oil N.P.T.F Water Hose Spud 1/2" = 14 3/4" = 2 3/4" = 15 1-1/4" = 4
(side connections) (flow through) 3/4" = 15 1" = 3 1" = 16 1-1/2" = 5
PIPE HOSE ID. 1" = 16 1-1/4" = 4 1-1/4" = 17 1-3/4" = 6
1/4" = 12 5/8" = 1 1-1/2" = 5 1-1/2" = 18 1-7/8" = 7
3/8" = 13 3/4" = 2 1-3/4" = 6 2" = 8
1/2" = 14 1" = 3 2-1/8" = 9
3/4" = 15 1-1/4" = 4 Add "H" for High Pressure 375 PSI Maximum Fluid 2-1/4" = 10
1-1/2" = 5
Add "Z" for Zinc and Ground Lug 2-3/8" = 11
Example 2" Dia. x 9" Core: 1/2" NPT Oil; Add "CN" for Copper-Nickel 90/100
1-1/4" hose spuds = #29144 Acceptable working pressures on threaded side connections NOTE: Above actual diameters
• Standard models 150 PSI 2-1/8" – 3-1/8" – 4-1/8" for tube O.D.
• High-pressure models 375 PSI All rating for fluid only
2" Lehman Oil Coolers 2", 3" & 4" High Pressure Hydraulic
Transmission and Engine
Copper-Nickel Oil Coolers

29133CNZ
FIG 6536
H2121417CN
2" Diameter x 9" Core Length with 3/8" female NPT side con-
nections and 1" water hose barbs. FIG 7967
No. Each Description
29133CN $158.50 Copper Nickel Oil Cooler
29133CNZ 214.85 Copper Nickel Oil Cooler These high pressure oil coolers are rated to 375 PSI with extra
w/ Zinc & Grounding Lug heavy gauge threaded copper end caps and 90/10 copper/nickel
core tubes. H312148 and H39145 have hose barb ends.
2" Oil Coolers No. $307.75 Female NPT Female NPT Tube Diam. x
End Conn.
Each
Side Conn.
Core Length
OIL COOLERS H39145 449.15 1/2" 1-1/2" Hose 3" x 9"
150 PSI
1/2"
2" x 9"
H291417CN
1-1/4"
1/2"
2" x 12"
1-1/4"
336.40
H2121417CN
H391619CN
3" x 9"
1"
524.20
2"
H312148
1/2"
2" Hose
3" x 12"
477.50
2"
608.90
1"
H3121619CN
3" x 12"
903.75
1"
4" x 12"
2"
H4121619CN
29133
FIG 7969
2" Chris Craft Oil Cooler
Cast brass threaded fittings. All seamless tubing and shells.
Female NPT Side End Hose Tube Diam. x
No. Each Connections Barb Size Core Length
25133CN $136.85 3/8" 1" 2" x 5"
29134 136.85 3/8" 1-1/4" 2" x 9"
29134CN 158.70 3/8" 1-1/4" 2" x 9"
29144 136.80 1/2" 1-1/4" 2" x 9"
29133 136.85 3/8" 1" 2" x 9"
291316 180.30 3/8" 1"** 2" x 9"
2121315 191.10 3/8" 3/4"** 2" x 12"
212134CN 171.65 3/8" 1-1/4" 2" x 12"
212144 147.90 1/2" 1-1/4" 2" x 12" FIG 7981
212133 147.90 3/8" 1" 2" x 12"
212133CN 186.30 3/8" 1" 2" x 12" Female NPT End Hose Tube Diam. x
212143CN 171.65 1/2" 1" 2" x 12"
No. Each Side Connections Barb Size Core Length
CN is Copper/Nickel 90/10 Core Tubes
**Female NPT End Connections 26144 $121.75 1/2" 1-1/4" 2" x 6"
Add 3" to core length for overall length