--- product_id: 396854972 title: "GM Parts 12686272 Drive Belt Tensioner" brand: "gm genuine parts" price: "822.71 DT" currency: TND in_stock: true reviews_count: 5 category: "Gm Genuine Parts" url: https://www.desertcart.tn/products/396854972-gm-parts-12686272-drive-belt-tensioner store_origin: TN region: Tunisia --- # Easy DIY installation Perfect fit for GM vehicles OE precision engineering GM Parts 12686272 Drive Belt Tensioner **Brand:** gm genuine parts **Price:** 822.71 DT **Availability:** ✅ In Stock ## Summary > ⚡ Keep your engine running smooth with GM’s precision tensioner—don’t let belt slack slow you down! ## Quick Answers - **What is this?** GM Parts 12686272 Drive Belt Tensioner by gm genuine parts - **How much does it cost?** 822.71 DT with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.tn](https://www.desertcart.tn/products/396854972-gm-parts-12686272-drive-belt-tensioner) ## Best For - gm genuine parts enthusiasts ## Why This Product - Trusted gm genuine parts brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Seamless Compatibility:** Specifically validated for Chevrolet, Buick, GMC, and Cadillac models—no guesswork needed. - • **Backed by GM Excellence:** Officially supported by General Motors, guaranteeing quality and peace of mind. - • **Durability You Can Trust:** Built with advanced materials and rigorously tested to withstand daily driving demands. - • **Plug-and-Play Installation:** Designed for hassle-free replacement—get back on the road faster with minimal effort. - • **Engineered for Peak Performance:** GM Genuine OE part ensures flawless belt tension for optimal engine function. ## Overview The GM Parts 12686272 Drive Belt Tensioner is a spring-loaded pulley assembly engineered and tested to GM’s exacting OE standards. Designed to maintain optimal serpentine belt tension, it ensures reliable engine performance and longevity. Compatible with Chevrolet, Buick, GMC, and Cadillac vehicles, this machined, durable component offers easy installation and is backed by General Motors for guaranteed quality. ## Description GM Genuine Parts Drive Belt Tensioner Assemblies are designed, engineered, and tested to rigorous standards, and are backed by General Motors. These assemblies are spring-loaded pulleys designed to draw tension on your vehicle's serpentine belt. GM Genuine Parts are the true OE parts installed during the production of or validated by General Motors for GM vehicles. Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE). Review: If you have a c7 corvette this is going to rear it’s ugly head at some point. Rolled up to a stop sign one day and heard a clatter that sounded awful coming from under the hood. Get the car home and park it and had a little spot of oil underneath the next morning. Thought the worst right away. Started poking around under the hood and noticed this greasy little bugger was the source of my oil drip. A little research and found out that the tensioner has a little shock on it that goes bad. Ac delco part showed up a couple of days later and the install was pretty easy. Took it out for a test drive and it quieted down noises I had just taken for granted. Best price and fastest shipping I saw. Review: My belt tensioner was dying on my 2017 C7 and this did the trick. Installation is fairly easy and I recommend looking at a few videos' on YouTube. So if you have a leaking or whining tensioner this will fix the issue at a great price. ## Features - Helps keep drive belt at correct tension to help maintain proper function - Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE) - GM Genuine Parts are designed, engineered and tested to rigorous standards, and are backed by General Motors. - GM Engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle - GM regularly updates production and service part designs to integrate new materials and technologies ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B07CJ9L726 | | Best Sellers Rank | #57,674 in Automotive ( See Top 100 in Automotive ) #9 in Automotive Timing Belt Tensioners | | Brand | GM GENUINE PARTS | | Customer Reviews | 4.9 4.9 out of 5 stars (91) | | Date First Available | 1 January 2024 | | Exterior | Machined | | Item Weight | 680 g | | Item model number | 12686272 | | Manufacturer | ACDelco | | Manufacturer Part Number | 12686272 | | Model | Belt Tensioner | | OEM Part Number | 12686272 | | Product Dimensions | 17.78 x 20.32 x 7.62 cm; 680.39 g | ## Images ![GM Parts 12686272 Drive Belt Tensioner - Image 1](https://m.media-amazon.com/images/I/61aMsyORYtL.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ Review *by Q***E on 16 July 2023* If you have a c7 corvette this is going to rear it’s ugly head at some point. Rolled up to a stop sign one day and heard a clatter that sounded awful coming from under the hood. Get the car home and park it and had a little spot of oil underneath the next morning. Thought the worst right away. Started poking around under the hood and noticed this greasy little bugger was the source of my oil drip. A little research and found out that the tensioner has a little shock on it that goes bad. Ac delco part showed up a couple of days later and the install was pretty easy. Took it out for a test drive and it quieted down noises I had just taken for granted. Best price and fastest shipping I saw. ### ⭐⭐⭐⭐⭐ Review *by B***T on 25 March 2023* My belt tensioner was dying on my 2017 C7 and this did the trick. Installation is fairly easy and I recommend looking at a few videos' on YouTube. So if you have a leaking or whining tensioner this will fix the issue at a great price. ### ⭐⭐⭐⭐⭐ Review *by A***R on 1 July 2023* My 2014 Corvette developed the clacking sound many others reported. When I looked, my original belt tensioner was coated with oil so I pulled the trigger and purchased this to replace it. It is an exact match for the original (should be as an OEM part) and now the noise is gone. Time to go have more fun with the car! ## Frequently Bought Together - GM Genuine Parts 12686272 Drive Belt Tensioner - ACDelco GM Original Equipment 12651112 V-Ribbed Serpentine Belt - ACDelco GM Original Equipment A3191C Air Filter --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.tn/products/396854972-gm-parts-12686272-drive-belt-tensioner](https://www.desertcart.tn/products/396854972-gm-parts-12686272-drive-belt-tensioner) --- *Product available on Desertcart Tunisia* *Store origin: TN* *Last updated: 2026-11-10*