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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

 

SPECIFICATIONS

PART # PLATES

DEPTH

mm

WIDTH

MM

HEIGHT

MM

INLET/OUTLET

SIZE

HOSE

SIZE

HEAT TRANSFER RATE (BTU/HR)
OIL COOLER KITS

676

12

20

281

141

3/8” (9 mm) 1.4m 11,987

677

17

20

281

180

3/8” (9 mm) 1.4m

13,394

678

21

20

281

213

3/8” (9 mm) 1.4m

13,934

623

23

20

281

229

3/8” (9 mm) 1.4m

13,937

679

30

20

281

300

3/8” (9 mm) 1.4m

15,710

TRANSMISSION OIL COOLER & ELECTRIC FAN COMBO

698 (12V)

699 (24V)

21 80 281 213 3/8” (9 mm) 1.4m 13,934

693 (12V)

694 (24V)

23 80 281 213 3/8” (9 mm) 1.4m 13,937

679 (12V)

691 (24V)

30 80 281 300 3/8” (9 mm) 1.4m 15,710
ADAPTER / FITTING KITS
1005 N/A

  Adaptor Kit - 5/16" 8mm - Suits GM Transmissions

1006

N/A

  TOC Fitting Kit (6R80) - Ford Ranger & Mazda BT50

 

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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