{"product_id":"dorman-34165-a-c-compressor-bypass-pulley","title":"Dorman 34165 A\/C Compressor Bypass Pulley","description":"\u003ch2\u003eReliable A\/C Compressor Bypass Pulley for Ford, Mazda, and Mercury\u003c\/h2\u003e\u003cp\u003eThe Dorman 34165 A\/C Compressor Bypass Pulley is designed to restore proper function to your vehicle's HVAC system. Engineered for select Ford, Mazda, and Mercury models, this pulley ensures smooth serpentine belt operation and efficient compressor bypass performance.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eDurable aluminum bracket for secure mounting\u003c\/li\u003e\n\u003cli\u003ePlastic pulley with 120mm outside diameter\u003c\/li\u003e\n\u003cli\u003eIncludes mounting bracket and installation instructions\u003c\/li\u003e\n\u003cli\u003eCompatible with serpentine belt systems\u003c\/li\u003e\n\u003cli\u003eDesigned for Ltr4 compressor type\u003c\/li\u003e\n\u003cli\u003ePackage contains one pulley and bracket assembly\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eProduct Details and Specifications\u003c\/h2\u003e\u003cp\u003eThe Dorman 34165 features a robust aluminum bracket paired with a plastic pulley, optimized for durability and reliable operation. The pulley measures 120mm in outside diameter, fitting serpentine belt configurations commonly found in Ford Escort, Mazda 323, Mercury Capri, and Mercury Tracer models. This part is specifically designed for vehicles equipped with the Ltr4 compressor type. While mounting hardware is not included, the package provides a mounting bracket and clear installation instructions to facilitate a straightforward replacement process.\u003c\/p\u003e\u003ch2\u003eCompatible Vehicles and Applications\u003c\/h2\u003e\u003cp\u003eThis A\/C compressor bypass pulley is compatible with the following makes and models:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eFord Escort\u003c\/li\u003e\n\u003cli\u003eMazda 323\u003c\/li\u003e\n\u003cli\u003eMercury Capri\u003c\/li\u003e\n\u003cli\u003eMercury Tracer\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eUse this part to address issues related to the A\/C compressor bypass system in these vehicles, ensuring proper belt tension and system operation.\u003c\/p\u003e\u003ch2\u003eCommon Issues Addressed by This Part\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eWorn or damaged A\/C compressor bypass pulley causing belt slippage\u003c\/li\u003e\n\u003cli\u003eNoise or squealing from the serpentine belt area\u003c\/li\u003e\n\u003cli\u003eImproper belt alignment affecting HVAC system performance\u003c\/li\u003e\n\u003cli\u003eFailure of the compressor bypass function leading to A\/C system inefficiency\u003c\/li\u003e\n\u003cli\u003eBroken or cracked pulley components impacting belt routing\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eInstallation of the Dorman 34165 pulley requires removal of the old pulley and bracket assembly. The included mounting bracket and installation instructions provide guidance for proper fitment. Note that mounting hardware is not included, so retain original bolts or source compatible fasteners. Ensure the serpentine belt is properly routed and tensioned after installation to avoid premature wear.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eDorman parts are manufactured to meet or exceed OEM standards for fit and function. The 34165 A\/C Compressor Bypass Pulley undergoes quality checks to ensure durability and reliable performance. Installation instructions are included to support proper replacement. Please consult Dorman's warranty policy for specific coverage details.\u003c\/p\u003e","brand":"Dorman","offers":[{"title":"Default Title","offer_id":44667682980021,"sku":"BCZF-34165","price":59.25,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/MM_34165_Fro.jpg?v=1775078577","url":"https:\/\/www.partcatalog.com\/products\/dorman-34165-a-c-compressor-bypass-pulley","provider":"PartCatalog","version":"1.0","type":"link"}