---
product_id: 75703292
title: "bt 1# 3978022 3914086 Belt TENSIONER FITS for Cummins Engine 6BT5.9"
brand: "mottrol"
price: "91276CFA"
currency: XOF
in_stock: true
category: "Mottrol"
url: https://www.desertcart.sn/products/75703292-bt-1-3978022-3914086-belt-tensioner-fits-for-cummins-engine
store_origin: SN
region: Senegal
---

# Durable aftermarket with 3-month warranty Instant stock availability for quick replacement Precision fit for Cummins 6BT5.9 bt 1# 3978022 3914086 Belt TENSIONER FITS for Cummins Engine 6BT5.9

**Brand:** mottrol
**Price:** 91276CFA
**Availability:** ✅ In Stock

## Summary

> ⚙️ Keep your Cummins running smooth — don’t let belt slack slow you down!

## Quick Answers

- **What is this?** bt 1# 3978022 3914086 Belt TENSIONER FITS for Cummins Engine 6BT5.9 by mottrol
- **How much does it cost?** 91276CFA with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.sn](https://www.desertcart.sn/products/75703292-bt-1-3978022-3914086-belt-tensioner-fits-for-cummins-engine)

## Best For

- mottrol enthusiasts

## Why This Product

- Trusted mottrol brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Ready When You Are:** In-stock and ready to ship, minimizing downtime and keeping you moving
- • **Optimized for Longevity:** Designed to maintain optimal belt tension, preventing costly engine wear
- • **Trusted by Professionals:** Manufactured by MOTTROL, a recognized name in engine components
- • **Reliable Aftermarket Quality:** New, high-grade replacement part with a 3-month warranty for peace of mind
- • **Engineered for Cummins 6BT5.9:** Seamless compatibility ensures peak engine performance

## Overview

The 3978022 3914086 Belt Tensioner is a brand-new, aftermarket replacement part specifically designed for the Cummins 6BT5.9 engine. Manufactured by MOTTROL, it comes with a 3-month warranty and is readily available in stock, ensuring quick and reliable engine maintenance to maintain optimal belt tension and engine efficiency.

## Description

3978022 3914086 Belt Tensioner Fits For Cummins Engine 6BT5.9, Aftermarket Replacement Parts, Warranty 3 Month, New, In Stock.

## Features

- Description: 3978022 3914086 Belt Tensioner
- Application Model: 6BT5.9
- Engine Parts Can Be Supplied Including Liner Kit, Liner, Piston, Piston Ring, Main Bearing, Con Rod Bearing, Gasket Kit, Crankshaft, Camshaft, Cylinder Block, Cylinder Head, Plunger, Delivery Valve, Nozzle, Oil pump, Connectiong Rod, Feed Pump, Water Pump, Fan Blade, Turbocharger, Engine Assy, Nozzle Piping, Thermostat, Seat Thermostat, Belt Tensioner, Pulley, Oil Cooler Core, Oil Cooler Cover Etc.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B01N8WN8HP |
| Best Sellers Rank | #4,264,820 in Automotive ( See Top 100 in Automotive ) #7,328 in Automotive Replacement Belt Tensioners |
| Date First Available | November 7, 2016 |
| Is Discontinued By Manufacturer | No |
| Item model number | 6BT5.9 |
| Manufacturer | MOTTROL |

## Images

![bt 1# 3978022 3914086 Belt TENSIONER FITS for Cummins Engine 6BT5.9 - Image 1](https://m.media-amazon.com/images/I/31xGMG6O-cL.jpg)
![bt 1# 3978022 3914086 Belt TENSIONER FITS for Cummins Engine 6BT5.9 - Image 2](https://m.media-amazon.com/images/I/713GlT8Ga1L.jpg)
![bt 1# 3978022 3914086 Belt TENSIONER FITS for Cummins Engine 6BT5.9 - Image 3](https://m.media-amazon.com/images/I/71NxFoOAPbL.jpg)

---

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**Shop now:** [https://www.desertcart.sn/products/75703292-bt-1-3978022-3914086-belt-tensioner-fits-for-cummins-engine](https://www.desertcart.sn/products/75703292-bt-1-3978022-3914086-belt-tensioner-fits-for-cummins-engine)

---

*Product available on Desertcart Senegal*
*Store origin: SN*
*Last updated: 2026-07-13*