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TRANMISSION OIL COOLER 21PLATE HYDRA-COOL (PART #678)
The Hydra-Cool® 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.
- 100% pressure tested at 150psi for quality assurance
- 33% more efficient than a comparable tube and fin design
- Pre-drilled mounting plates for easy installation
- Internal turbulation for efficient heat transfer
- 3/8” (9 mm) push-on fittings for quick and easy installation
SPECIFICATIONS
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Overall Size |
Core Size |
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| Part # | Thickness mm | Width mm | Height mm | Width mm | Height mm | Inlet/Outlet Size | Hose Size | Number of Plates | Heat Transfer Rate (BTU/HR) |
|
623 |
20 |
281 |
229 |
247 |
200 |
3/8” (9 mm) |
3/8” (9 mm) 1.4 Meters |
23 |
13,937 |
|
676 |
20 |
281 |
141 |
281 |
112 |
3/8” (9 mm) |
12 |
11,987 |
|
|
677 |
20 |
281 |
180 |
281 |
152 |
3/8” (9 mm) |
17 |
13,394 |
|
|
678/698 |
20 |
281 |
213 |
281 |
184 |
3/8” (9 mm) |
21 |
13,934 |
|
|
679 / 691 |
20 |
281 |
300 |
281 |
265 |
3/8” (9 mm) |
30 |
15,710 |
|
|
690 |
3/8” to 5/16” Adaptor Kit for GM transmissions (sold separately) |
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COMPONENTS
- Cooler Core x 1
- 3/8" Hose x 1
- Hose Clamps x 4
- Quick Fit Kit Nylon Ties x 4
- Detailed Instructions
Transmission Oil Cooler Selection Guide
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APPLICATION |
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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 |
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|
4.0 litre and over |
404 |
676 or 677 |
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Commercial |
Up to 1990* |
Up to 2.0 litre |
401 |
403 |
|
2.0 - 4.0 litre |
404 |
676 or 677 |
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|
4.0 litre and over |
678 or 679 or 691 or 698 |
678 or 679 or 691 or 698 |
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|
Sedan / Wagon |
1990 to Present |
Up to 2.0 litre |
676 |
677 |
|
2.0 - 4.0 litre |
677 |
678 or 679 or 691 or 698 |
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|
4.0 litre and over |
678 or 679 or 691 or 698 |
678 or 679 or 691 or 698 |
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|
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 |
678 or 679 or 691 or 698 |
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|
4.0 litre and over |
678 or 679 or 691 or 698 |
678 or 679 or 691 or 698 |
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|
Light Commercial (24 Volt circuit, Automatic Trans.) |
|
Up to 2.0 litre |
699 or 692 |
699 or 692 |
|
2.0 - 4.0 litre |
699 or 692 |
692 |
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|
4.0 litre and over |
692 |
692 |
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|
V8s & 4WDs |
1990 to Present |
Up to 2.0 litre |
676 |
677 |
|
2.0 - 4.0 litre |
678 or 679 or 691 or 698 |
678 or 679 or 691 or 698 |
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|
4.0 litre and over |
678 or 679 or 691 or 698 |
678 or 679 or 691 or 698 |
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|
Ford EA-ED |
all models |
6 cyl. |
677 |
677 |
|
Ford EA-ED |
all models |
V8 |
678 |
678 |
|
GM-Holden |
all models |
6 cyl. & V8 |
Select Part # as above plus #1005 |
Select Part # as above plus #1005 |
*Note:
- Hydra-Cool Transmission Coolers are suitable for all vehicles.
- Ultra-Cool Transmission Coolers are only recommended for vehicles manufactured prior to 1990.
- Part #1005 is an Adaptor Kit for GM transmissions
| Categories | Cooling Systems, Oil Systems, Transmission & Drivetrain |
|---|---|
| Manufacturer Part Number | 678 |
| Brand | Davies Craig |
| Part Type | Oil Coolers & Accessories |
| Vehicle Make | MG |
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