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

Gates 38366 DriveAlign Automatic Belt Tensioner Assembly

(1979-1984 Ford Mustang; 1983-1984 Ford Thunderbird; 1979, 1982-1984 Mercury Capri; 1979-1984 Mercury Capri XR2)

Manufacturer

Picture for manufacturer Gates

Part Number

38366
10 reviews
Sale Price

$186.98

Estimated ship date Friday, November 27

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 Gates 38366 DriveAlign Automatic Belt Tensioner is an OE-replacement accessory drive belt tensioner engineered to maintain consistent tension across the serpentine belt system. Designed with an application-specific configuration, this tensioner meets or exceeds original equipment requirements for constant belt tension, vibration resistance, and proper pulley alignment on engine accessory drive systems.

Constructed from durable steel, this tensioner features a 76 mm outside diameter and 30.5 mm width, ensuring a precise fit and long-lasting performance. The Gates DriveAlign line is built to combat common failure points such as belt slippage, premature wear, and accessory drive noise — helping to extend the life of the entire belt drive system.

Key Features:

  • Application-specific design for direct OE replacement fitment
  • Steel construction for strength and durability
  • 76 mm outside diameter / 30.5 mm width
  • Maintains constant tension to prevent belt slip and premature wear
  • Enhanced vibration resistance for quiet, smooth operation
  • Ensures proper serpentine belt alignment on accessory drive systems
  • Sold individually
  • Backed by Gates lifetime limited warranty

Gates is a globally recognized leader in power transmission and fluid power products. The DriveAlign tensioner line is manufactured to strict quality standards, making the Gates 38366 a trusted choice for professional technicians and DIY enthusiasts alike.

Products specifications

Fits

1979-1984 Ford Mustang; 1983-1984 Ford Thunderbird; 1979, 1982-1984 Mercury Capri; 1979-1984 Mercury Capri XR2

Contents

Tensioner Assy., Bolt

Outside Diameter (mm)

76

WIDTH (MM)

30.5

Contact Surface

Smooth/Backside

Import or Domestic

Domestic

Instruction Sheet Number

98-1582

Number of Pulleys

1

OE Comparison Rating

OE Improved (OE+)

Pulley 1 Flanged

Yes

Great site. I received my product quickly and it was the product I ordered.

Autoplicity has the best prices around! They were quick to email a confirmation of the order, shipment, and delivery. I was VERY impressed! I also received my order earlier than I thought, which is always a plus. Will definitely do business with them again! Thanks!

Best Price on the Net for K&N System for my 2012 HEMI RAM. My Order 18270 is shipping today and I can't wait to get it installed!

thank you dont forget my suite number you are the best with good pric Thank you What i like from you Good price and when you said estimated at 26 thats mean 26 in august not like other one they said something and do something else Thank you ihope next t

Best prices online! Ordered a JBA performance exhaust and Airaid intake system for my 06 F-150. Was hesitant at first because I never heard of them but ordering was a breeze and saved me over $100 total for two items compared to anywhere else. Had package at my door in about 24 hours and even selected normal UPS ground shipping. Very satisfied and will definitely return!

Quick shipping and good communication, thanks!

First time using Autoplicity. Found some great pricing on their site. Plan on doing plenty of mods to my new truck and would definetley recommend them and would be using them again very soon.

very excellent oil the only oil that has been in my harley since it was new and it a 95 very fast shipper ordered it 19 feb and got it 22 feb

Very easy to order on line and excellent communication, very good price.

This was my first order but will definitely use them again. Best price and quick shipment.

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