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Dayco 89317 No Slack Automatic Belt Tensioner Assembly

(1995-2005 Cadillac DeVille; 1995-2002 Cadillac Eldorado; 2006-2011 Cadillac DTS; 1995-2004 Cadillac Seville; 2004-2005 Pontiac Bonneville + 2 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

89317
5 reviews
Sale Price

$69.06

In Stock (10+)

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Usually delivered within 2 days

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Product Details

The Dayco 89317 No Slack Automatic Belt Tensioner Assembly is engineered to maintain constant tension on serpentine belt drives in automotive and light truck applications. This premium tensioner features Dayco's patented flat spring design that provides consistent tension throughout the belt's service life, reducing operating range variation compared to traditional coil spring tensioners.

Key Features:

  • Patented flat spring technology delivers less operating range variation for consistent belt tension
  • Heavy-duty cast aluminum body construction resists cracking and rust
  • Reduces risk of premature accessory bearing failure due to high tension when new belts are installed
  • Minimizes belt noise, slippage, and poor performance caused by low tension
  • Lifetime-lubricated bearings with high-temperature seals for reliable, long-lasting performance
  • Designed to meet or exceed OEM specifications for direct-fit replacement

The Dayco 89317 tensioner assembly helps protect critical engine accessories including the alternator, air conditioning compressor, and power steering pump by ensuring optimal belt operation. The concentric internal tension design and precision-engineered pulley promote quieter performance and extended service life for both the tensioner and serpentine belt.

OEM Cross-References: GM 12555153, GM 3539155 | Aftermarket Equivalents: Gates 38197, ACDelco 38197, NAPA 38197, Dorman 419-122

Products specifications

Fits

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

Notes

Water pump drive.

Quantity

Sold individually.

Tensioner Pulley Type

3-rib, serpentine

They had great email communication and shipped my items from order number 14199 very quickly. I was very impressed with how they handled my order.

Fast Happy

Best price by far! Fast shipping!

"Excellent price and great customer service. Order was shipped promptly!! Would do business with them again. "

Item just as descibed, great price and fast shipping. This has been my first order and actually first time searching for an auto part on this site and all went as expected. Glad I saw reference to it a car forum.

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