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Kaon Transmission Cooler Hydra 21 Plate 678 - KS0087

Description

Transmission Cooler Hydra 21 Plate 678
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Trusted Since 1989

Over 30 locations in New Zealand and Australia

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Trained Professionals

Over 200,000 roof racks fitted

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Nationwide Shipping

We ship no matter where you are

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Need Help

Contact us on: 09 481 1910

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

 

Overall Size

Core Size

 

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)


COMPONENTS

  • Cooler Core x 1
  • 3/8" Hose x 1
  • Hose Clamps x 4
  • Quick Fit Kit Nylon Ties x 4
  • Detailed Instructions
  • SKU KS0087
  • Brand Kaon


Standard Rack Guarantee – Fit Confidence, Always Free

Our Standard Rack Guarantee comes automatically with every roof rack purchase. It ensures your rack fits your vehicle and performs as it should — giving you the confidence that your setup is right from day one.


Gold Rack Guarantee – Book Fitting, Get Total Confidence

When you book your roof racks to be professionally fitted at Roof Racks Galore, you're automatically covered by our Gold Rack Guarantee — the most comprehensive protection for your gear and your journey.

Your fitting charge includes:

Professional Installation

Enjoy complete confidence with a professional fit by our experienced Fit Technicians. With over 30 stores nationwide, we ensure your setup is correct, secure, and safe for the long haul — whether you're carrying bikes, boxes, awnings, or kayaks.

Rack Check – Yearly Peace of Mind

We don’t just fit it and forget it. With the Gold Rack Guarantee, you’ll receive:

  • A full safety check at time of install
  • Annual Rack Health Checks in Year 2 and Year 3

So you can travel with peace of mind, year after year.

Key Cover – 3 Years of Nationwide Support

Lost your rack keys on the road? No problem.
Your Gold Guarantee includes Key Cover for 3 years, with up to 2 replacement keys per year. With stores across Australia, help is never far away.

Free Basic Accessory Fitting

When your racks are fitted by us, we’ll also fit your eligible accessories for free — giving you the reassurance that everything is compatible and fitted safely, no matter the brand.

Eligible accessories include:

  • Roof boxes
  • Roof-mounted bike racks
  • Awnings
  • Cargo baskets
  • Kayak carriers
  • Fishing rod holders
  • Ski carriers
  • Platform accessories (eye bolts, load stops, shovel holders, jerry can holders)

Please note: Rooftop tents, ladder slide systems, and other technical accessories are excluded. All items must be on the same invoice and fitted at the same time as the roof racks.

90-Day Exchanges and Hassle-Free Returns

Not quite right? Changed your mind?
With the Gold Rack Guarantee, you're covered for up to 90 days to exchange your racks if they're not the perfect fit for your needs.
Returns are simple and supported at any of our locations nationwide.

Note: Fitting charges apply and will be confirmed in-store before installation.

Shipping & Delivery

We're proud to deliver throughout Aotearoa and aim to make your shipping experience smooth and transparent. Please read the following important information before placing your order.

Delivery Address Guidelines

Please keep the following in mind when choosing your shipping address:

We do not deliver to:

  • P.O. Boxes
  • Private Bags
  • Great Barrier Island
  • Chatham Islands

Roof Boxes & Rooftop Tents:

These bulky items can have extended delivery times.

Tip: Sending your order to your workplace can help speed up delivery and ensures someone is available to sign for the goods.

Shipping Timeframes

"In Stock at Roof Racks Galore - Ships Today"

Orders placed before 3pm on business days will usually leave our warehouse the same day.

Please allow one extra day for large or bulky items to be collected by the freight carrier.

"In Stock at Distribution Centre - Ships in 1–2 Working Days"

These items are shipped from a third-party warehouse and may take 1–2 business days before dispatch.

Orders Paid by Bank Deposit

Orders will be processed once funds clear, which can take up to 2 working days depending on your bank.

Public Holidays & Weekends

Couriers and freight providers do not operate on weekends or public holidays. Orders placed during these times will be processed the next business day.

Low Price Guarantee
$9,999.00
Quantity
KS0087 Kaon Transmission Cooler Hydra 21 Plate 678 - KS0087
$9,999.00

How to get it

Click and Collect

  • Located in Auckland
  • Open 6 days a week
  • 90 days exchange

Delivery

  • Fast Shipping
  • New Zealand Wide
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