{"product_id":"a-premium-belt-tensioner-assembly-for-subaru-2011-2020-thermoplastic-pulley-direct-fit","title":"A-Premium Belt Tensioner Assembly for Subaru (2011–2020) — Thermoplastic Pulley, Direct-Fit","description":"\u003cp\u003e\u003cstrong\u003eThis A-Premium belt tensioner assembly with pulley is a direct-fit replacement for select Subaru engines, engineered to maintain proper V-ribbed belt tension and smooth accessory drive operation.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eReplacing a worn tensioner is one of the most effective ways to prevent premature belt wear, reduce noise, and keep alternator, power steering, and AC accessories running as intended. The A-Premium assembly is designed to match OEM form, fit, and function for multiple Subaru models from 2011–2020, delivering thermoplastic pulley construction, precise bearing dimensions, and an easy direct-swap installation for many do-it-yourselfers and professional shops.\u003c\/p\u003e\n\n\u003ch3\u003eWill this tensioner fit my Subaru model and engine?\u003c\/h3\u003e\n\u003cp\u003eCompatibility covers a wide range of Subaru platforms and engine sizes. Check the model years and engine codes listed to confirm fitment before ordering to avoid returns.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eFits Subaru BRZ 2013–2019 (H4 2.0L)\u003c\/li\u003e\n  \u003cli\u003eCompatible with Crosstrek, Forester, Impreza, Legacy, Outback, WRX, and XV Crosstrek models listed\u003c\/li\u003e\n  \u003cli\u003eSee reference numbers 23769AA040, 23769AA05A, 39359, APV3181 for cross-checking\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow does this part perform compared to the original equipment?\u003c\/h3\u003e\n\u003cp\u003eA-Premium designed this tensioner to mirror OE performance characteristics, focusing on durable materials and smooth rotation. The thermoplastic pulley and quality bearing support help reduce noise and handle typical driving loads without changing belt routing.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eOutside pulley diameter: 70 mm for accurate belt alignment\u003c\/li\u003e\n  \u003cli\u003eBearing bore inside diameter: 17 mm for correct spindle fit\u003c\/li\u003e\n  \u003cli\u003ePulley width: 25.5 mm to match V-ribbed belt profile\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat are the measurable specifications and why do they matter?\u003c\/h3\u003e\n\u003cp\u003eKnowing the exact dimensions ensures the new tensioner will seat and guide the belt precisely, preserving accessory drive geometry. Proper sizing reduces slipping, uneven belt wear, and potential accessory stress.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003ePulley quantity: 1 — designed as the single replacement pulley in the assembly\u003c\/li\u003e\n  \u003cli\u003eBelt type compatibility: V-ribbed for common Subaru accessory belts\u003c\/li\u003e\n  \u003cli\u003eMaterial: thermoplastic provides a balance of wear resistance and lightweight performance\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat warranty and purchase confidence does A-Premium provide?\u003c\/h3\u003e\n\u003cp\u003eA-Premium includes a one-year unlimited-mileage guarantee on this belt tensioner assembly, backing workmanship and material integrity. That coverage helps support installation choices for independent mechanics and vehicle owners alike.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eOne-year unlimited-mileage warranty for added peace of mind\u003c\/li\u003e\n  \u003cli\u003eReference numbers included for easier parts matching\u003c\/li\u003e\n  \u003cli\u003eSold as a full assembly to minimize installation steps\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for? This A-Premium tensioner assembly is suited for Subaru owners, independent mechanics, and fleet technicians who need a reliable, direct-fit replacement for worn or noisy tensioners on select BRZ, Crosstrek, Forester, Impreza, Legacy, Outback, WRX, and XV Crosstrek models. It’s particularly helpful when restoring proper belt tension and alignment without modifying original accessory drive components.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Which Subaru models does this tensioner fit?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Fits BRZ 2013–2019 and listed Crosstrek, Forester, Impreza, Legacy, Outback, WRX, and XV Crosstrek models—verify with reference numbers.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What warranty comes with this A-Premium tensioner?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: A-Premium provides a one-year unlimited-mileage guarantee covering workmanship and materials.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"A-Premium","offers":[{"title":"Default Title","offer_id":55168374047063,"sku":"B08LPZ2GVS","price":57.41,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1050\/1524\/7191\/files\/a-premium-front-assembly_722c6c07-1395-45c6-bcaf-2489c27ce416.jpg?v=1790402054","url":"https:\/\/britishgarage.co.uk\/products\/a-premium-belt-tensioner-assembly-for-subaru-2011-2020-thermoplastic-pulley-direct-fit","provider":"British Garage","version":"1.0","type":"link"}