Fitment Guarantee·Free Shipping $50+·Hassle Free Returns
4.9· 19,069 customers|Fit guaranteed
4.9from 19,069 verified customers
|"Perfect fit, exactly what I needed!"— John D.
Verified to fit 153 vehicles
| Vehicle | Trim | Engine | Notes |
|---|---|---|---|
| 2024 Toyota 4RunnerSecondary Left | — | V6 4.0L | — |
| 2023 Toyota 4RunnerSecondary Left | — | V6 4.0L | — |
| 2022 Toyota 4RunnerSecondary Left | — | V6 4.0L | — |
| 2021 Toyota 4RunnerSecondary Left | — | V6 4.0L | — |
| 2020 Toyota 4RunnerSecondary Left | — | V6 4.0L | — |
| 2019 Toyota 4RunnerSecondary Left | — | V6 4.0L | — |
| 2018 Lexus ES350Secondary Left | — | V6 3.5L | — |
| 2018 Lexus IS300Secondary Left | — | V6 3.5L | To 10/01/2017 |
| 2018 Lexus RC300Secondary Left | — | V6 3.5L | To 11/01/2017 |
| 2018 Lexus RC350Secondary Left | — | V6 3.5L | To 11/01/2017 |
| 2018 Toyota 4RunnerSecondary Left | — | V6 4.0L | — |
| 2018 Toyota AvalonSecondary Left | — | V6 3.5L | — |
| 2017 Lexus ES350Secondary Left | — | V6 3.5L | — |
| 2017 Lexus IS300Secondary Left | — | V6 3.5L | — |
| 2017 Lexus IS350Secondary Left | — | V6 3.5L | — |
WARNING: Handling passenger or off-highway motor vehicle parts can expose you to chemicals such as phthalates and lead, known to the State of California to cause cancer and reproductive harm. Service the vehicle in a well-ventilated area, wear gloves, and wash your hands. See www.P65Warnings.ca.gov/motor-vehicle-parts
Guaranteed fit — or free return
Currently out of stock
If a part we confirmed for your vehicle does not fit, we cover the return shipping and refund you in full. That is the fitment guarantee.
Nobody likes buying a part that turns out to be wrong. So if it doesn't fit, send it back for a full refund at no cost to you — return shipping is on us — and we'll help you get the right one.
Every part is covered for 24 months. Many brands add their own manufacturer warranty on top.
Ratings come from verified AutoBuffy buyers after delivery — no imported or paid reviews.
We do not list every part on earth — just the brands automakers actually trust. And we use AI to double-check not just the fitment but the product details on every listing, because we hate buying the wrong part as much as you do.
Top curated brands only
The brands automakers actually put on the car. No white-label mystery boxes.
We're obsessed with fitment
Year, make, model, trim, engine — plus the fine print most sites skip — so it fits the first time.
Search any part number
The number off your old part, a competitor listing, or the dealer part — we cross it and confirm the match.
Melling Engine Timing Chain Tensioner BT5077
Out of stock · guaranteed fit or free return
Call for Price
888-477-2530Our parts specialists are ready to help you find the best price.
Call for Price
888-477-2530Our parts specialists are ready to help you find the best price.
Shipping calculated at checkout · Est. arrival Tue, Oct 20 to Tue, Oct 20
Ships To:This Melling automotive component is engineered to meet or exceed OEM specifications for reliable performance and long service life.
Trusted Automotive Brand
Melling is a trusted manufacturer of quality automotive parts.
View all Melling productsThe Melling Engine Timing Chain Tensioner (BT5077) is sold by AutoBuffy. UPC 729295315803.
Engine Timing Chain Tensioner
The Melling Engine Timing Chain Tensioner (BT5077) is sold by AutoBuffy. UPC 729295315803.
This Melling automotive component is engineered to meet or exceed OEM specifications for reliable performance and long service life.
We only sell brands automakers trust, and we double-check the fit on every listing.
Top curated brands only
The brands automakers put on the car.
Obsessed with fitment
Year, make, model, trim, engine, plus the fine print.
Search any part number
Your old part, a competitor, or the dealer #. We confirm the match.
Shop owner? Get BuffyPro business pricing
Fitment Obsessed
Every part checked against your exact year, make, model, trim, and engine.
Wrong Fit? On Us.
Free return shipping, no restocking fee — the fitment guarantee.
Brands OEMs Trust
The names automakers actually put on the car.
Millions of Parts, One Promise
If we say it fits, it fits.
