Is fit on 2007 gmc 2500 hd?

I believe so, buy the additional radiator fitting. Also don’t like mounting to the condenser coil, made my own brackets.

I have a '04 chevy trailblazer 4.2 i6 4wd with factory trans cooler. looking to upgrade to pull travel trailer. is there anything else i need?

I would leave the factory trans cooler in place and add the Hayden trans cooler in line if at all possible, especially if the factory cooler is a plate and fin cooler. It will give you that much more extra cooling.

Did you bypass stock trans cooler on 4runner?

I did it on a Nissan Rogue s , am using both now , but planning on by pass it when I hit the 100 k miles ‘cause usual failure of stock oil cooler and don’t want to get any water in tranny. Hope it helps .

Will the provided adapter fitting thread into my radiator on my 2003 gmc sierra 4.8?

It comes with a fitting, I’m not sure if it’s universal. I spliced mine into the existing hoses deleting the OEM cooler.

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Hayden Automotive 679 Rapid-Cool Plate and Fin Transmission Cooler , Black , 11 Inch

Product ID: 253693949

Details

Brand
Hayden
Connector type
Through Hole
Contact material
Brass
Contact type
Normally Open
Mounting type
Screw Mount

📏Compact 11-inch size

🔥Patented turbulation tech

🔧Pre-drilled mounting brackets

Description

❄️ Keep your transmission chill and your adventures unstoppable!

DURABLE RELIABLE - Constructed with premium materials including brass connectors for long-lasting, worry-free operation.
COMPACT YET POWERFUL - Sleek 11-inch plate and fin design fits tight spaces without compromising cooling power.
RAPID COOL EFFICIENCY - Patented internal turbulation maximizes heat transfer while minimizing pressure drop for peak transmission performance.
EFFORTLESS INSTALLATION - Pre-drilled mounting brackets make setup a breeze—get back on the road faster.
PERFECT FIT FOR HEAVY DUTY - Designed for Class 'A' motor homes and trailers up to 30,000 lbs GVWR, towing up to 10,000 lbs with confidence.

The Hayden Automotive 679 Rapid-Cool Plate and Fin Transmission Cooler is a compact, high-performance cooling solution engineered for heavy-duty motor homes and trailers. Featuring patented internal turbulation technology, it enhances heat dissipation with minimal pressure loss. Its durable build, including brass connectors and pre-drilled mounting brackets, ensures easy installation and reliable operation under towing loads up to 10,000 pounds.

Specifications

ASIN	B000C3BBKS
Best Sellers Rank	#15,610 in Automotive ( See Top 100 in Automotive ) #3 in Automotive Engine Cooling & Heating Coolers
Brand Name	Hayden Automotive
Connector Type	Through Hole
Contact Material	Brass
Contact Type	Normally Open
Customer Reviews	4.3 4.3 out of 5 stars (23)
Global Trade Identification Number	00036752006793
Included Components	Transmission Cooler
Item Type Name	Transmission Cooler
Item Weight	1.25 kg
Manufacturer	Hayden Automotive
Model	679
Mounting Type	Screw Mount
Number of Items	1
Operation Mode	Automatic
Part Number	679
UPC	036752006793

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3 weeks ago

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