Factory 7 Blade Chevy Radiator Fan

Point of reference my 454 3 4 ton truck uses a mechanical fan.

Factory 7 blade chevy radiator fan.

Each blade replicates the original fo an authentic appearance and fit. By accident i figured it out. I believe oem blades number either 5 and 7 blades for each fan or 7 and 9 blades. 94509632 radiator cooling fan assembly new oem gm 2012 17 chevy sonic 1 8l fits.

A factory plastic fan shroud and the 772 blade are designed to be used together. After i sawed a small hole in my factory 1970 plastic fan shroud on my driver using a non 772 blade. Get a real fan. These don t have the oem blade count to my understanding however i haven t had a cooling problem.

The simple answer is. There were two manufacturers of this fan and a mid year fan pitch change 2 to 2 25 yielding four variants of this fan. New oem gm engine cooling fan clutch blade 15644302 chevy gmc v6 v8 1984 1996. A correct oer authorized reproduction of the original style radiator fan blade which was installed as original equipment on various gm models with 18 diameter 7 blade fan.

The gm part number is 3999260 it is a 19 5 inch 7 blade fan. 2015 chevy trax radiator fan motor fan assembly. Cooling is all about. One with 7 to 9 blades.

I also tune with hptuners so i can adjust the fan speed to what i want. My 318 will barely say under 215 in traffic with the factory hd cooling system new glen ray 26 radiator fan clutch 7 blade fan and new motor. In 1969 the clutched fan changed to a seven blade design still 18 inches in diameter with aluminum fan blades. 4 8 out of 5 stars 21.

And a thermal fan clutch. Cars with ac or k02 received the same fans as the 1969 z28 and l78 copo cars. Allstar all30100 18 diameter 5 8 pilot hole steel mechanical type radiator fan with 6 blade. I can and have put 10 000 pounds of trailer on it plus another thousand in the bed and run it straight up a mountain and never touch 200 degrees.

Only 4 left in stock. The inside radius on the factory fan shroud matches the radius of the curved tips on a 772 blade. I was having overheating problems and went through the cooling system. You can not run the ac in 110f days in arizona in traffic.

I am about to prove if a nos pump solves my problem since the gmb after crap market pump died in the first 5 months.