Belt Tensioner for 2017-2021 BMW 230i xDrive & More - Gates 39381

$180.99

Gates Accessory Drive Belt Tensioner Assembly 39381

Gates Accessory Drive Belt Tensioner Assembly 39381 - view 2

Gates Accessory Drive Belt Tensioner Assembly 39381 - view 3

Part number: 39381

UPC: 770075798767

Condition: New

Weight: 1.60 LBS

Item Package Quantity: 1

$180.99

Current Stock: 21

Quantity:

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Gates Accessory Drive Belt Tensioner Assembly P/N:39381

$180.99

Description

Gates 39381 belt tensioner for the 2017-2021 BMW 230i xDrive 4-cylinder 2.0L and other vehicles holds the accessory drive belt at steady tension. It is sold as a single assembly with one pulley.

Gates DriveAlign automatic belt tensioner
Torsional round spring design for reliability and consistent tension
Patented labyrinth seal protects the internal components
Patented vibration-damping system absorbs extreme vibration to improve tensioner, belt and accessory life
Smooth-surface pulley that rides on the belt backside, 55 mm outside diameter

Quick facts

Part: Gates 39381 belt tensioner
Also called: serpentine belt tensioner
Fits: 2017-2021 BMW 230i xDrive 4-cylinder 2.0L and other vehicles
Material: Thermoplastic
Condition: New

A worn drive belt, a seized accessory pulley or a tired idler pulley can be behind belt squeal, a fluttering belt or a rumble from the pulley too, so find the cause before you buy a tensioner.

Fits

The 2020-2022 BMW X2 4-cylinder 2.0L and the 2019-2025 BMW X4 4-cylinder 2.0L or 6-cylinder 3.0L take this tensioner as well, one per vehicle, along with many other BMW and Mini models. Open the "Vehicles it fits" section to check your exact model and engine.

Specifications

Fit and size

Quantity per vehicle: 1
Pulley quantity: 1
Outside diameter: 55 mm (2.17 in)
Bearing bore inside diameter: 17 mm (0.67 in)
Width: 26 mm (1.02 in)
Mounting holes: 3
Belt type: V-ribbed

Build and materials

Material: Thermoplastic
Contact surface: smooth/backside
Pulley flange: none
Condition: New
Country of origin: Czech Republic

In the box

One belt tensioner assembly.

Interchange: 11288570439 · 11288580360 · 49878 · 999682A · 999682

Manufacturer's description

Product specs

Vehicles it fits

Interchange numbers

This part cross-references / interchanges with the following part numbers:

39381, 11288570439, 11288580360, 49878, 999682A, 999682

Buyer's Q&A

Frequently Asked Questions

Will Gates 39381 fit a 2020-2022 BMW X2 4-cylinder 2.0L?

Yes. Gates 39381 fits the 2020-2022 BMW X2 4-cylinder 2.0L, and that car takes one. For any other model, check the "Vehicles it fits" section.

Does this serpentine belt tensioner adjust itself?

Yes. Gates 39381 is a DriveAlign automatic tensioner, and its torsional round spring is designed to keep belt tension consistent.

Is the Gates drive belt tensioner sold with its pulley?

Yes. This tensioner assembly comes with one pulley that has a smooth contact surface and no flange.

What is the bearing bore size on this belt tensioner?

The bearing bore inside diameter is 17 mm (0.67 in), and the pulley outside diameter is 55 mm (2.17 in).

What does the labyrinth seal do on this tensioner?

The patented labyrinth seal protects the internal components. The vibration-damping system absorbs extreme vibration to improve tensioner, belt and accessory life.