Silence belt squeal and keep every engine accessory turning with the Dayco accessory drive belt tensioner assembly (P/N 89370), an automatic tensioner that maintains steady tension on the main accessory drive belt. It installs as a direct-fit replacement for many vehicles, among them the 2005-2008 Ford Escape 3.0L, 2002-2005 Ford Thunderbird 3.9L and 2003-2008 Jaguar S-Type 3.0L — see the Buyer's Guide tab for the full list.
As the tensioner wears you may notice belt squeal or chirp, a fluttering belt, or noise from the pulley — if a worn tensioner is the cause, this assembly replaces it. This serpentine belt tensioner (MPN 89370) covers a wide range of Ford, Jaguar, Land Rover, Lincoln, Mazda, and Mercury models.
Interchange: BT-81
BT81 · 780222 · 38279 · 49344 · 5713 · 999707A
This part cross-references / interchanges with the following part numbers:
What does this belt tensioner do?
It's an automatic tensioner that keeps constant tension on the main accessory drive belt so it stays engaged with the pulleys. It takes up slack as the belt stretches and wears.
Will this 2006 Ford Escape belt tensioner fit the 2005-2008 Ford Escape 3.0L?
Yes — it's listed for the 2005-2008 Ford Escape 3.0L, which includes the 2006 model year. See the Buyer's Guide tab for every listed application.
What are the signs my tensioner may need replacing?
Belt squeal or chirp, a visibly fluttering belt, or noise from the pulley. If a worn tensioner is the cause, this assembly replaces it — diagnose the source before ordering.
What are the pulley specifications?
It uses a single flat pulley measuring 76 mm in diameter and 30.9 mm wide, cataloged with a clockwise direction for the main drive position.
What other part numbers does this replace?
It interchanges with BT-81 (BT81), 780222, 38279, 49344, 5713, and 999707A.
WARNING: These products can expose you to chemicals including lead and phthalates, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.
