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Dayco 89052 Idler/Tensioner Pulley
From the Manufacturer
Dayco 89052 Idler/Tensioner Pulley, 70MM Diameter, 27MM Width
Derek P.
Reviewed in the United States on February 13, 2025
Perfect fit
OneRareV
Reviewed in the United States on January 19, 2025
Fits 3.0L Cadillac motor perfect.You have to pull the power steering pulley off to get to the third bolt on the idler. Not a hard job if you have the right tools.
wess
Reviewed in the United States on August 9, 2024
Great product qualify valve for money excellent easy replacement 👍👍👍👍👍
Philip Jordan
Reviewed in the United States on May 16, 2024
This Paul was a perfect substitute. I found it on a Deco PDF chart that had all the dimensions. I Measured the dimensions of my pulley, found it on a chart and ordered that part number. It’s a perfect replacement as an idler pulley. This one’s metal replaces a plastic one.
Josh Schwemlein
Reviewed in the United States on March 15, 2023
There wasn’t anything wrong with the pulley itself and looked to be good quality but did not fit my application like Amazon said.
6.23x1023
Reviewed in the United States on December 16, 2023
This is the correct pulley for my car, some catalogs specified a pulley 80 mm in diameter that I needed to return. The pulley is in a narrow space between the engine and the radiator fan, I had to get a narrow right angle drive to get the mounting bolts out and reinstalled.
G. F. Christensen
Reviewed in the United States on December 7, 2020
Little bit smaller than OEM part, doesn't seem to matter, works perfect.No more GM idler howling for a 20K miles, then do it again. Not the parts fault, just a GM quirk.
TinkerGuy
Reviewed in the United States on August 16, 2018
After copious research, lots of reaching and contorting with calipers, and some cardboard mock-ups, my measurements indicated that THIS PULLEY is the proper replacement for my 2011 Subaru Outback 3.6R's failed belt tensioner pulley. The tensioner assembly and mechanism is actually just fine, but the bearings in the pulley failed at 118k miles (as they are apparently want to do). The screeching and screaming from the bearings was horrible. And tensioners are north of $70 for non-OEM replacements. No thanks.Via research on Dayco's website and others, this pulley fit the bit. And, short story: it works perfectly.The internal bearing diameter is perfect. The stand off is perfect. Belt alignment is acceptable (belt is fully seated on the flat surface of the pulley with zero overhang), even though the belt is not centered perfectly. However, it wasn't centered perfectly on the factory pulley, either.New Continental "GatorBack" Elite belt went on to replace the original belt and Bob's your uncle. I used blue vibratite on the backing nut to prevent any future issues. Just got back from a 1450 mile road trip across the state and everythign is perfect.This pulley is the exact part number to replace the Subaru 2011 Outback 3.6R belt tensioner pulley without having to buy a new tensioner assembly. Dayco 89052. You're welcome. ;)
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