Specifications

135
COOLERS & ACCESSORIES
DEFENDER
TM
AUTOMATIC TRANSMISSION OIL COOLERS
Stacked plate design and rugged construction make Defender Automatic Transmission Oil Coolers nearly indestructible.
Multiple flow paths through their unique aluminum embossed plate construction maximizes lubrication potential and allows for
faster warmups even with cold starts. Defender has been designed to provide maximum cooling surface and flow volume
capacity to cool more oil in less time, making Defender coolers at least 30% more efficient than traditional tube and fin style. A
thin contour profiles makes installation easy and they carry a limited lifetime warranty.
Multiple flow paths and a contained by-pass system ensure maximum lubrication and stable oil flow. Optimal oil pressure lev-
els over wider range of operating conditions. Fluid viscosity temperature control without thermostats or special valves. 100%
factory tested to withstand vibration and fluid pressure to 200 PSI. Design specified as original "two package" equipment by
more vehicle manufacturers than all other coolers combined. Limited lifetime warranty to the original owner.
NOTE : For use on vehicles with 5/16" or 3/8" automatic transmission return lines.
DEFENDER
(TM)
AUTOMATIC TRANSMISSION OIL COOLERS
Applications/Specifications
For Automatic Transmissions Only
To select correct cooler, determine the GCWR (Gross Combined Weight Rating) of your tow vehicle & trailer by the chart
below
.
Recommended Applications Size (In.) No.of Heat Rejection GCWR Rating Cooler Kit
H x W x T Plates BTU / HR. (Lbs.) Number*
SELF REGULATING MEDIUM DUTY MODEL 5 3/4 x 11 x 3/4 54 9,800 14,000 4332SR
Vehicle & trailer weight 7,000 to 14,000 pounds
MEDIUM HEA
VY DUTY
SELF REGULA
TING MODEL
7 1/4 x 1
1 x 3/4
72 13,500 18,000
4337SR
Vehicle & trailer weight 11,000 to 18,000 pounds
HEAVY DUTY MODEL 8 x 11 x 1 1/2 72 21,800 24,000 4336A
SELF REGULATING MODEL
12 x 11 x 3/4 120 21,800 24,000 4338SR
Vehicle & trailer weight from 18,000 to 24,000 pounds
SELF REGULATING EXTRA HEAVY DUTY MODEL 12 x 11 x 1 1/2 96 24,000 28,000 4339S
Vehicle & trailer weight 18,000 to 28,000 pounds
Replacement Parts:
2516 5/16" Compression Fitting w/Hose Barb
2538 3/8" Compression Fitting w/Hose Barb
3030 Radiator Fitting For Ford V
ehicles (2 per kit)