Gates 38298 Accessory Drive Belt Tensioner Assembly

OE Belt Tensioner for Ford and Mercury

The Gates DriveAlign Premium OE Automatic Belt Tensioner, part number 38298, is built for accessory drive belt systems that need consistent belt control and OE-style fit. It is a steel automatic belt tensioner assembly with a smooth/backside pulley and OE Exact comparison rating for direct replacement use.

Gates DriveAlign Premium OE Automatic Belt Tensioners are part of a product line focused on OE-quality fit, form, and function. Gates applies original equipment system design standards and rigid manufacturing tolerances to help deliver the same dimensional accuracy and performance expected from the factory-style application.

Key Features

• Part number 38298 for select Ford Thunderbird and Mercury Cougar applications
• Automatic accessory drive belt tensioner assembly
• Steel construction for durable service
• V-ribbed belt type with smooth/backside contact surface
• Single-pulley design with non-flanged pulley
• OE Exact comparison rating for factory-style replacement
• Mounting hole quantity: 1
• Outside diameter: 2.99 in. (76 mm); width: 1.46 in. (37 mm)

Detailed Description

Gates 38298 is an accessory drive belt tensioner assembly engineered for vehicles that rely on stable belt tension to drive engine accessories. It is listed for 1989-1995 Ford Thunderbird, 1990 Ford Cougar, and 1989-1990 Mercury Cougar, with notes indicating attachment to the alternator mounting bracket. If you are searching for a Ford Thunderbird belt tensioner replacement or a Mercury Cougar automatic belt tensioner, this OE-style assembly matches the application details provided.

This tensioner uses a steel body, a single pulley, and a smooth/backside contact surface for V-ribbed belt routing. The bearing bore inside diameter is 0.67 in. (17 mm), and the pulley is not flanged. The design supports direct replacement needs where OE fit and dimensional accuracy matter, including searches for Gates 38298 and related accessory drive belt tensioner assembly applications.

This part cross-references Wix 49355 for the same application.

What It Helps Address

• Belt squeal caused by weak or inconsistent tension
• Accessory drive belt flutter or vibration
• Uneven belt tracking on the serpentine drive system
• Loss of belt tension from a worn tensioner assembly
• Noise from a deteriorated pulley or tensioner bearing

Installation Notes and Tips

Verify the vehicle year, make, model, and mounting-bracket configuration before ordering. This Gates 38298 tensioner is listed for applications that attach to the alternator mounting bracket, so matching the bracket style is important for correct installation. Inspect the belt condition, pulley alignment, and adjacent accessory components during replacement to help confirm the source of belt-system wear.

Quality Assurance

Gates manufactures DriveAlign Premium OE Automatic Belt Tensioners to rigid tolerances and specifications intended to match OE fit, form, and function. The OE Exact comparison rating reflects the factory-style replacement focus of this part.