{"product_id":"hayden-5053-accessory-drive-belt-idler-pulley","title":"Hayden 5053 Accessory Drive Belt Idler Pulley - Air Conditioning","description":"\u003ch2\u003eOverview of Hayden Pulley Accessory Drive Belt Idler Pulley\u003c\/h2\u003e\u003cp\u003eThe Hayden Pulley 5053 is a durable accessory drive belt idler pulley designed for select BMW models including the 318i, 318is, 318ti, and M3. Engineered to meet or exceed OEM specifications, this black plastic pulley ensures reliable serpentine belt tension and smooth operation.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eMaterial: High-quality plastic construction\u003c\/li\u003e\n\u003cli\u003eColor: Black\u003c\/li\u003e\n\u003cli\u003eInside Diameter: 0.875 inches (22.225 mm)\u003c\/li\u003e\n\u003cli\u003eOutside Diameter: 3.125 inches (79.375 mm)\u003c\/li\u003e\n\u003cli\u003eWidth: 1.062 inches (27 mm)\u003c\/li\u003e\n\u003cli\u003eBelt Type: Serpentine\u003c\/li\u003e\n\u003cli\u003eGroove Quantity: Smooth surface\u003c\/li\u003e\n\u003cli\u003eMount Hole Quantity: 1 (mounting hardware not included)\u003c\/li\u003e\n\u003cli\u003eCompatible with BMW 318i, 318is, 318ti, and M3 models\u003c\/li\u003e\n\u003cli\u003eMeets or exceeds OEM standards\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Product Description\u003c\/h2\u003e\u003cp\u003eThe Hayden Pulley 5053 is part of the Pulley brand line, which focuses on precision-engineered pulley components for accessory drive belt systems. This idler pulley is designed as a back idler style, providing proper tension and alignment for serpentine belts in BMW vehicles. Its smooth groove surface and plastic material reduce wear on the belt while maintaining consistent performance. The pulley’s dimensions, including a 0.875 inch inside diameter and 3.125 inch outside diameter, are optimized for compatibility with specific BMW models such as the 318i, 318is, 318ti, and M3.\u003c\/p\u003e\u003ch2\u003eCommon Applications and Problem Solving\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eRestores proper serpentine belt tension and alignment\u003c\/li\u003e\n\u003cli\u003eEliminates belt slippage and noise caused by worn pulleys\u003c\/li\u003e\n\u003cli\u003ePrevents premature belt wear and potential engine accessory failure\u003c\/li\u003e\n\u003cli\u003eReplaces damaged or cracked idler pulleys in BMW 318i, 318is, 318ti, and M3\u003c\/li\u003e\n\u003cli\u003eSupports smooth operation of alternator, power steering, and AC compressor belts\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eEnsure compatibility with your BMW model before installation\u003c\/li\u003e\n\u003cli\u003eMounting hardware is not included; reuse existing hardware or source separately\u003c\/li\u003e\n\u003cli\u003eInspect serpentine belt condition during installation and replace if necessary\u003c\/li\u003e\n\u003cli\u003eFollow manufacturer torque specifications for mounting bolt\u003c\/li\u003e\n\u003cli\u003eCheck belt alignment after installation to avoid premature wear\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eThe Hayden Pulley 5053 meets or exceeds OEM quality standards, ensuring reliable performance and durability. Manufactured with precision plastic materials, this idler pulley is engineered for long service life in demanding automotive environments. While specific warranty details are not provided, Hayden products typically adhere to industry quality controls to support customer confidence in fit and function.\u003c\/p\u003e","brand":"Hayden","offers":[{"title":"Default Title","offer_id":43944063238325,"sku":"BBTW-5053","price":51.59,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/HY_5053_Fro_632f2df8-e33e-4305-8a7e-8a458747e74a.jpg?v=1775005242","url":"https:\/\/www.partcatalog.com\/products\/hayden-5053-accessory-drive-belt-idler-pulley","provider":"PartCatalog","version":"1.0","type":"link"}