Factory 7 Blade Chevy Radiator Fan

The inside radius on the factory fan shroud matches the radius of the curved tips on a 772 blade.

Factory 7 blade chevy radiator fan.

The gm part number is 3999260 it is a 19 5 inch 7 blade fan. I also tune with hptuners so i can adjust the fan speed to what i want. There were two manufacturers of this fan and a mid year fan pitch change 2 to 2 25 yielding four variants of this fan. Only 1 left in stock order soon.

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. Alloyworks 4 row aluminum radiator shroud fan relay for 1932 ford hot rod chevy 350 v8 engine pro us. In 1969 the clutched fan changed to a seven blade design still 18 inches in diameter with aluminum fan blades. New oem gm engine cooling fan clutch blade 15644302 chevy gmc v6 v8 1984 1996.

Only 4 left in stock. Get a real fan. Allstar all30100 18 diameter 5 8 pilot hole steel mechanical type radiator fan with 6 blade. 94509632 radiator cooling fan assembly new oem gm 2012 17 chevy sonic 1 8l fits.

Each blade replicates the original fo an authentic appearance and fit. Cars with ac or k02 received the same fans as the 1969 z28 and l78 copo cars. After i sawed a small hole in my factory 1970 plastic fan shroud on my driver using a non 772 blade. The simple answer is.

By accident i figured it out. 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. My radiator had a small leak but was very rusty. Point of reference my 454 3 4 ton truck uses a mechanical fan.

4 8 out of 5 stars 21. You can not run the ac in 110f days in arizona in traffic. I was having overheating problems and went through the cooling system. 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.

These don t have the oem blade count to my understanding however i haven t had a cooling problem. I believe oem blades number either 5 and 7 blades for each fan or 7 and 9 blades. One with 7 to 9 blades. A factory plastic fan shroud and the 772 blade are designed to be used together.

Cooling is all about.