---
product_id: 11870898
title: "Dayco 89378 Belt Tensioner"
brand: "dayco"
price: "594 zł"
currency: PLN
in_stock: true
category: "Dayco"
url: https://www.desertcart.pl/products/11870898-dayco-89378-belt-tensioner
store_origin: PL
region: Poland
---

# Vehicle-specific compatibility OE-grade precision fit Durable serpentine belt style Dayco 89378 Belt Tensioner

**Brand:** dayco
**Price:** 594 zł
**Availability:** ✅ In Stock

## Summary

> ⚙️ Upgrade your ride with precision tension – because your engine deserves the best!

## Quick Answers

- **What is this?** Dayco 89378 Belt Tensioner by dayco
- **How much does it cost?** 594 zł with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.pl](https://www.desertcart.pl/products/11870898-dayco-89378-belt-tensioner)

## Best For

- dayco enthusiasts

## Why This Product

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

## Key Features

- • **Robust Durability:** Crafted for long-lasting performance under demanding driving conditions
- • **Tailored Compatibility:** Check compatibility table to ensure perfect match with your vehicle's make and model
- • **Precision Engineered Fit:** Seamlessly replaces multiple OEM parts for hassle-free installation
- • **Trusted Brand Reliability:** Dayco’s proven quality with a 4.6-star rating from nearly 400 users
- • **Warranty-Backed Confidence:** Includes manufacturer warranty for peace of mind on every drive

## Overview

The Dayco 89378 Belt Tensioner is an OE-grade serpentine belt tensioner designed for vehicle-specific fitment, ensuring optimal performance and durability. Compatible with multiple OEM part numbers, it supports hassle-free replacement and is backed by a strong customer rating and manufacturer warranty.

## Description

Dayco 89378 Belt Tensioner

## Features

- Many products require vehicle-specific fitment
- View the Compatibility table to ensure the part fits your year, make, model and submodel
- Please reference the submodel information located on the far left within the Compatibility table under "Notes"
- Please note: Due to our high sales volume, it may take up to 2-business days for us to reply to all questions and/or requests.
- We do not offer shipping to APO/FPO

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0076H3304 |
| Belt Style | Serpentine Belt |
| Best Sellers Rank | #568,551 in Automotive ( See Top 100 in Automotive ) #802 in Automotive Replacement Belt Tensioners |
| Brand Name | Dayco |
| Color | Black |
| Compatible Devices | Car |
| Customer Reviews | 4.6 4.6 out of 5 stars (398) |
| Global Trade Identification Number | 00036687616708 |
| Included Components | Belt Tensioner |
| Item Highlight | Replaces 39185 16620-0S010 16632-0S010 49468 305378 419-318. OE-grade replacement. |
| Item Type Name | Belt Tensioner |
| Item Weight | 2.1 pounds |
| Manufacturer | Dayco |
| Number of Items | 1 |
| Part Number | 89378 |
| Style Number | 89378 |
| UPC | 036687616708 |
| Unit Count | 1 Count |
| Warranty Description | Includes manufacturer provided warranty |

## Product Details

- **Belt Style:** Serpentine Belt
- **Brand:** Dayco
- **Color:** Black
- **Compatible Devices:** Car
- **Item Weight:** 2.1 pounds

## Images

![Dayco 89378 Belt Tensioner - Image 1](https://m.media-amazon.com/images/I/815RQ0BDuyL.jpg)

## Frequently Bought Together

- Dayco 89378 Belt Tensioner
- Dayco 89502 Idler/Tensioner Pulley
- Dayco Drive Rite 5080950DR Serpentine Belt

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**Shop now:** [https://www.desertcart.pl/products/11870898-dayco-89378-belt-tensioner](https://www.desertcart.pl/products/11870898-dayco-89378-belt-tensioner)

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*Product available on Desertcart Poland*
*Store origin: PL*
*Last updated: 2026-10-04*