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21 PLATE COOLER & 8" FAN COMBO PACK 12 VOLT(Part #698)

The Hydra-Cool® 21 plate transmission oil cooler is an effective & economical way to keep the transmission at its optimum operating temperature. High efficiency turbulators in each tube direct the fluid for superior heat transfer. Hydra-Cool's® unique plate & fin design allows for effective cooling, yet requires 33% less space. The Hydra-Cool's® compact design is perfect for applications where available mounting space is limited. Coupled with our 8 inch Thermatic Fan it provides everything you will need to fit your oil cooler.

 The 21-plate Transmission Oil Cooler and DCSL 8” Thermatic® Fan Combo Kit is designed to assist cool Transmission Oil during sustained high speed driving, stop, start/traffic, towing heavy loads, 4WD off-road/ climbing driving conditions. Your Transmission Oil Cooler Combo Kit will help guard against the transmission overheating and assist in related operating conditions where transmissions are subjected to a great deal of stress.

 To manage the Thermatic® fan on the oil cooler we recommend our digital Thermatic® Fan Switch; part number 0444. It senses air temperature as it passes through the radiator with the sensor placed in the radiator fin section so no need to cut hoses. It has an adjustable temperature range of 40ºC to 110ºC (104ºF to 230ºF) and can show Centigrade or Fahrenheit. Temp is set by pressing the set button. It can run 1 or 2 fans. The second fan (if applicable) will start 10 seconds after Fan #1 runs. It operated thermally & also when the air conditioning is in operation.

KIT CONTENTS

DESCRIPTION UNITS

Hydra-Cool® 21-plate transmission oil cooler

1

3/8” hose (1.4 meters) 1
Hose clamps 4
8” Electric Fan Kit (12V) 1
Quick Fit Kits – nylon ties x4 2
Instructions 1

 

RANGE & SPECIFICATIONS

Part #

Plates

Thickness
 mm

Overall

Core

Inlet/Outlet
Size

Hose Size

Heat Transfer
Rate (BTU/HR)

 

Width mm

Height mm

Width mm

Height mm

 

Power Steering Cooler

 

1009

Tube
& Fin

19

237

64

148

64

3/8”
9.5mm

3/8” (9.5mm)
1.2m

4,000

 

 

Ultra-Cool Transmission Oil Cooler (Tube & Fin)

 

401

Tube
& Fin

20

326

128

245

128

3/8”
9.5mm

3/8” (9.5mm)
1.2m

9,000

 

403

20

326

191

246

191

10,800

 

404

20

395

191

316

191

12,000

 

Hydra-Cool Transmission Oil Cooler (Plate & Fin)

 

676

12

20

281

141

281

112

3/8”
9.5mm

3/8” (9.5mm)
1.4m

11,987

 

677

17

20

281

180

281

152

13,394

 

678

21

20

281

213

281

184

13,934

 

623

23

20

281

229

247

200

13,937

 

679

30 

20

281

300

281 

265

15,710

 

Transmission Oil Cooler & Fan Combo Kits

 

698 (12V)

21

76

281

213

281

184

3/8”
9.5mm

3/8” (9.5mm)
1.4m

13,934

 

699 (24V)

 

693 (12V)

23

76

281

213

247

200

13,937

 

694 (24V)

 

691 (12V)

30

76

281

300

281

265

15,710

 

692 (24V)

 

Accessories

 

1005

5/16" (8mm) Adaptor Kit - Transmission Oil Cooler to suit GM transmissions

 

1006

Transmission Oil Cooler Fitting Kit (6R80) Suits Ford Ranger and Mazda BT50

 

579

Quick Fit Kits

 

0444, 0445
0500

Digital Thermatic / Electric Fan Switches

 

 

TRANSMISSION OIL COOLER SELECTION

APPLICATION 

 

RECOMMENDED PART

Vehicle Type

Year of Manufacture

Engine Capacity

 

Medium Duty Part #

Heavy Duty

Part #

Sedan / Wagon

Up to 1990*

Up to 2.0 litre

 

401

403

2.0 - 4.0 litre

 

403

404

4.0 litre +

 

404

676 or 677

Commercial

Up to 1990*

Up to 2.0 litre

 

401

403

2.0 - 4.0 litre

 

404

676 or 677

4.0 litre +

 

 Core Only: 678, 623 or 679

Core & Fan: 678, 693 or 691

Sedan / Wagon

1990 to Present

Up to 2.0 litre

 

676

677

2.0 - 4.0 litre

 

677

Core Only: 678, 623 or 679

Core & Fan: 698, 623 or 691

4.0 litre +

 

Core Only: 678, 623 or 679

Core & Fan: 698, 623 or 691

Light Commercial 

(12 Volt circuit, Automatic Trans.)

1990 to Present

Up to 2.0 litre

 

676

677 or 678

2.0 - 4.0 litre

 

677

Core Only: 678, 623 or 679

Core & Fan: 698, 623 or 691

4.0 litre +

 

Core Only: 678, 623 or 679

Core & Fan: 698, 623 or 691

Light Commercial 

(24 Volt circuit, Automatic Trans.)

 

Up to 2.0 litre

 

699, 694 or 692

2.0 - 4.0 litre

 

699, 694 or 692

692

4.0 litre +

 

692

692

V8s & 4WDs

1990 to Present

Up to 2.0 litre

 

676

677

2.0 - 4.0 litre

 

Core Only: 678, 623 or 679

Core & Fan: 698, 623 or 691

4.0 litre +

 

Ford EA-ED

all models

6 cyl.

 

677

677

Ford EA-ED

all models

V8

 

678

678

ADAPTER / FITTING KITS

GM-Holden

all models

6 cyl. & V8

 

Select Part above

plus #1005

Select Part above

plus #1005

Mazda BT-50

Ford Ranger

all models

6 cyl. & V8

 

Select Part above

plus #1006

Select Part above

plus #1006

 

*Note: Hydra-Cool Transmission Coolers are suitable for all vehicles.

**Ultra-Cool Transmission Coolers are only recommended for vehicles manufactured prior to 1990.

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