My Account
My Garage
Shopping Cart

Shopping Cart

0 items in your Cart
View Cart
Subtotal
Track
My Order
MY GARAGE Select Vehicle
MY GARAGE

Dayco 89266 No Slack Automatic Belt Tensioner

(1994-2005 Cadillac DeVille; 1993-2002 Cadillac Eldorado; 2006-2011 Cadillac DTS; 1993-2004 Cadillac Seville; 1993 Cadillac Allante + 3 more models)

Part of: Dayco No Slack Automatic Belt Tensioner Assembly

Other options in this family: Dayco 89374 Dayco 89372 Dayco 89369 Dayco 89321 Dayco 89251

Manufacturer

Picture for manufacturer Dayco

Part Number

89266
9 reviews
Sale Price

$65.82

In Stock (8)

delivery box

Usually delivered within 2 days

free shipping

FREE SHIPPING

Check out with

ApplePay
Authorize Seller Badge
No Hassle Returns

No Hassle Returns

Live-in-stock inventory

Live-in-stock inventory

Fitment guaranteed

Fitment guaranteed

Product Details

The Dayco 89266 No Slack Automatic Belt Tensioner is a premium replacement component designed to maintain proper serpentine belt tension throughout the life of your engine. This automatic tensioner eliminates belt slippage and noise while ensuring optimal performance of all belt-driven accessories including the alternator, power steering pump, air conditioning compressor, and water pump.

Key Features:

  • No Slack design maintains constant belt tension for improved reliability
  • Automatic operation compensates for belt wear and stretch over time
  • Direct OEM replacement fitment for select GM vehicles including Buick, Cadillac, Oldsmobile, and Pontiac models
  • Heavy-duty spring mechanism engineered for extended service life
  • Precision-manufactured pulley bearing reduces friction and wear
  • Includes complete tensioner assembly for easy installation

Dayco is a trusted OE supplier known for delivering professional-grade belt drive components. This automatic belt tensioner helps prevent premature belt failure, reduces maintenance costs, and ensures reliable engine accessory operation. Professional installation is recommended to ensure proper belt routing and tension.

Products specifications

Fits

1994-2005 Cadillac DeVille; 1993-2002 Cadillac Eldorado; 2006-2011 Cadillac DTS; 1993-2004 Cadillac Seville; 1993 Cadillac Allante; 2004-2005 Pontiac Bonneville; 2006-2011 Buick Lucerne; 1995-1999, 2001-2003 Oldsmobile Aurora

Quantity

Sold individually.

When searching for the accessory which I needed, I found Autoplicity offered it at the lowest price available. The item had a promotion for free shipping, which made the purchase even more enjoyable. Overall, a positive buying experience.

I had a great experience shopping at autoplicity

Great price found for my product. excellent customer service and my item was in stock.

Ordering was very easy and product was delivered within a week. I ordered a battery and it was received in good condition and works. I would recommend autoplicity to others.

This is our second order from Autoplicity. The first one didn't go so well due to a mix up with the Sparco seat pricing. Though I was starting to question our decision to order from them after several emails and phone calls and online chats, they came through in the end. These guys earned our second order by honoring the price they had listed and then calling to follow up when our race seat was shipped. Since this group was able turn our bad experience into a positive one we made our second order and, so far, it looks like they are again getting us what we want at the best price we can find. We are happy to recommend Autoplicty and plan on using them for future orders. There is one specific thing we would recommend, change the quality and volume of the hold music on the 800 #. It sounded like we were calling a 1970's van with a blown Jensen stereo turned all the way up,...

Shipped very quickly and had the best price I could find!

Great prices on most things. Ordered on a sunday and they processed and shipped the order the next day.

first order fast shipping and great fit

This was my first order with Autoplicity and I am very happy. They had the lowest price on-line that I found. Communication was great and shipping was very fast. I ordered late on Thursday and it was at my house the following Tuesday, and I didn't pay for rush shipping. I got exactly what I expected. Will do business with these guys again.

Share icon
Return Policy
Returns are easy at THMotorsports

Not happy with a purchase? No problem. We've made returning items as easy as possible. And most purchases can be returned for free for 30 days. Learn more about our Returns Policy