1205 E Main St
Columbus, OH 43205
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Product Information

Product Details
Part No. 89001
Warranty Details (1 YR REPLACEMENT IF DEFECTIVE)
Dayco idler/tensioner pulleys are built with smoother surfaces and tighter dimensional tolerances, which translates to less vibration and longer belt life. In addition to stamped, forged steel and powdered metal pulleys, Dayco also designs ultra-strong plastic pulleys with specially formulated glass-filled polymers that resist wear and tear. Premium lubricated ball bearings and double high temperature seals ensure peak bearing performance, the most critical element of a pulley's service life.

Product Features:
  • Designed for the majority of automotive vehicle applications on the road today
  • High-quality materials help resist wear and improve belt life
  • Features premium lubricated bearings to extend service life
  • Meets or exceeds OE quality
Specifications
Bearing Inner Diameter 1:
17 mm

Components:
Pulley

Flange:
Yes

Flat:
Yes

Max Belt Width:
06 Rib

Number of Bearings:
1

Pulley Diameter:
90 mm

Pulley Material:
Polymer

Pulley Type:
Serpentine

Pulley Width:
31 mm

Total Bearing Width:
12 mm

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3.59 out of 5
41 Customer Reviews
52% of respondents would recommend this to a friend
Ratings Distribution
5 Stars
23
4 Stars
3
3 Stars
2
2 Stars
1
1 Star
12
Pros
7
Easy To Install
3
Durable
2
Improves Engine Efficiency
2
Lightweight
1
Increases Power
Cons
4
Difficult To Install
1
Heavy
1
Plastic pulley
1
Does not fit
1
Increases Gas Milage
Best Uses
8
Everyday Driving
8
Replacement
2
Restoration
1
Do not use
Car & Truck
2
Auto Enthusiast
1
Casual Driver
1
Mechanic
1
Truck Enthusiast
Describe Yourself
7
Auto Enthusiast
4
Truck Enthusiast
3
Casual Driver
2
Mechanic
1
Competitive Driver
Most Liked Positive Review
Great quality sealed bearing inside
An affordable replacement idler pulley. I'm not a big fan of plastic though. Last plastic pulley I used on a snowblower flew to pieces. Plastic seems out of place on this tough 25 year old Grand Marquis ... & it certainly feels foolish removing a metal pulley & replacing it with a plastic one. 177,310 miles on that metal pulley, & I only replaced it due to bearing noise - there was no play in it whatsoever! There's actually more play in this new pulley's bearing, but I've used NTN bearings in Jap motorcycles with excellent results. We'll see how it holds up. If either the bearing or plastic pulley fails, I can still install a new bearing in the old original metal pulley. I can't see that plastic lasting 25 years & 177K. Can't beat the price though, AND a BIG PLUS: it's actually MADE IN USA!
Most Liked Negative Review
Does not fit! Isuzu trooper/chevy blazer
I own a Isuzu Trooper 2.8 V6. After being assured that the part would bolt right on and fit with no extra hardware, I found that It did not fit. After finally getting it installed correctly with new hardware, I got about a 1/4 Mile down the road before the truck broke down due to the parts fins on the back not fitting correctly and rubbing against the truck. DO NOT buy unless this is the Exact part that comes off Your current engine. It does Not offer as a viable replacement for the metal version of the same part.
Reviewed by 41 Customers
I approve
Submitted 3 years ago
It was a lil bigger then the original but worked just as good!
Bottom Line Yes, I would recommend to a friend
Idler on 1997 F-250 7.5 liter V8
Submitted 3 years ago
Fit well easy to install
Bottom Line Yes, I would recommend to a friend
No more squeal
Submitted 3 years ago
This simple easy to change part made my truck go from obnoxiously squealing to silent
Bottom Line Yes, I would recommend to a friend
Not for a 1995 F53 460 v8
Submitted 4 years ago
Supposed to be exact fit, Not the case. Appears to be correct until you try to install. It is tight against the tensioner and will not rotate. If I attempt to shim it, it will not line up with the other pulley.
Bottom Line No, I would not recommend to a friend
Works but had to modify
Verified Buyer - Submitted 4 years ago
Pulley was the same size but hit the bracket. I ended up make it work.
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does this pulley come in steel
Verified Reply - Solomon
Hi Charles, I'm glad to help you! This Dayco Idler Pulley (Part # 89001) comes in polymer material.
This new pulley has a deep side and a shallow side which side goes towards the engine?
Verified Reply - Solomon
Hi Scott, I'm glad to help you! This Dayco Idler Pulley (Part # 89001) has to be matched with your existing pulley when installing. For help with your project, I recommend purchasing a Haynes or Chilton repair manual specifically for your vehicle. This should be able to assist you further into detail on how to repair or replace specific parts.
Is this product the same as craftsman mower pulley, part #193197. Original part on mower is 4" diameter, with 3/4" inner diameter, and about 1 1/2" tall?
Verified Reply - Steve
Hi LEO! I can only look them up by a vehicle. Please provide us with the details of your application (including the year, make, model and engine size) and I will be happy to provide you with the correct product that can be used if available.
What is the diameter. Can you help me find 3.4 by 3.4 by 2
Verified Reply - Steve
Hi Marsha, I'm glad to assist you! This Dayco Idler Pulley - Part # 89001 has 90 mm (3.54 inches) diameter. I can only look them up by a vehicle. Please provide us with the details of your application (including the year, make, model and engine size) and I will be happy to provide you with the correct product that can be used if available.
Will this pulley fit on tensioner assembly. Tensioner is fine.
Verified Reply - Solomon
I'm happy to answer you, Smitty! Yes, this Pulley - Part No. 89001 fits on tensioner assembly. To give you the correct information I would need the year, make, model and engine size of the vehicle.
Displaying Question & Answer 1-5

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