Engines and Components› Belts and Pulleys

Dayco

Drive Belt Tensioner Assembly

$178.15

SKU: 89230

Special Order
Special Order
Ships in 4–6 weeks
Free Shipping over $200
$100 Minimum Order
30 Days Return
INSTALL DIFFICULTY
DIY PRO SHOP

Easy — 1–2 hours

Overview

The Dayco 89230 is a drive belt tensioner assembly designed to reduce wear, friction, vibration, and harshness. It assists in the proper function of critical engine accessories such as the air conditioning compressor, alternator, power steering pump, and water pump. This assembly features smoother surfaces and tighter dimensional tolerances to prolong belt life, with lubricated bearings and high-temperature seals for optimal performance. It offers superior resistance to under-the-hood contaminants like dirt, salt, and chemicals.
Show original supplier description
The Dayco 89230 Drive Belt Tensioner Assembly is engineered as an exact OE replacement, aiming to enhance vehicle performance by ensuring smooth belt routing and accurate tensioning. This component plays a crucial role in the efficient operation of essential engine accessories, including the air conditioning compressor, alternator, power steering pump, and water pump. Its design incorporates smoother surfaces and tighter manufacturing tolerances, which contribute to extending the service life of the drive belt. Furthermore, the assembly is equipped with lubricated bearings and high-temperature seals to maintain peak performance under demanding conditions. Built for durability, the tensioner assembly exhibits superior resistance to common under-the-hood contaminants such as dirt, salt, and chemicals, ensuring reliability and longevity. This tensioner assembly is compatible with a range of Ford, Mazda, and Mercury vehicles, specifically including the Ford Aerostar (1996-1997, 4.0L V6), Ford Explorer (1993-2000, 4.0L V6), Ford Ranger (1994-2000, 4.0L V6), Mazda B4000 (1994-2000), Mazda Navajo (1993-1994), and Mercury Mountaineer (1998-1999, 4.0L V6). It is important for customers to always verify fitment before making a purchase, as the manufacturer recommends confirming compatibility with your specific vehicle details.

Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.

Fitment

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Specifications

BrandDayco
Part Number89230
CategoryEngines and Components
5,000+ Trusted brands
1M+ Enthusiasts
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Returns & Fitment

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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Shipping

Orders are processed in 1–3 business days. In stock parts ship promptly from our partner network. Special-order items either aren’t currently stocked or are built to your spec — expect 4–6 weeks. If a part goes on backorder while your order is in the queue, we’ll reach out and work through discounted alternatives together.

Free shipping over $200 in the continental US. Alaska, Hawaii, U.S. territories (Puerto Rico, U.S. Virgin Islands, Guam, American Samoa, and the Northern Mariana Islands), and international orders carry surcharges — most appear at checkout. Some exceptions (LTL freight, or suppliers who quote freight only after we place the order) won’t. In those cases we’ll reach out with the exact charge before your order moves forward.

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