{"product_id":"ford-crankshaft-pulley-bolt-f5rz6a340b-oem-replacement-direct-fit-correct-threads","title":"Ford Crankshaft Pulley Bolt F5RZ6A340B OEM replacement — direct-fit, correct threads","description":"\u003cp\u003e\u003cstrong\u003eFord F5RZ6A340B (F5RZ-6A340-B) is the OEM crankshaft pulley bolt designed to secure the crank pulley on compatible Ford engines with factory fit and specification.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis single-component replacement bolt is engineered and sourced for Ford vehicles requiring the F5RZ6A340B part number. It’s a direct-fit item with the correct dimensions and threads for applications that originally used the F5RZ-6A340-B specification, making it a convenient option for maintenance, pulley service, or timing-related repairs.\u003c\/p\u003e\n\n\u003ch3\u003eWhat does this bolt replace and why choose the OEM Ford part?\u003c\/h3\u003e\n\u003cp\u003eThis bolt replaces the factory crankshaft pulley retaining bolt on Ford applications that list F5RZ6A340B as the required part. Choosing an OEM-specified fastener helps ensure correct thread engagement, torque specs compatibility, and material integrity compared with generic alternatives.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eDirect-fit to Ford crankshaft pulley assemblies using F5RZ-6A340-B.\u003c\/li\u003e\n  \u003cli\u003eMeets original thread pitch and shank length for correct installation.\u003c\/li\u003e\n  \u003cli\u003eManufactured or sourced to Ford specifications for reliable service.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow do I use this crankshaft pulley bolt during pulley or timing work?\u003c\/h3\u003e\n\u003cp\u003eUse this bolt to secure the crank pulley after aligning accessories or replacing the harmonic balancer. Always follow vehicle-specific torque sequences and recommended thread treatment (e.g., thread locker if specified) to avoid loosening and ensure long-term retention.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eTighten to the torque value listed in the vehicle service manual.\u003c\/li\u003e\n  \u003cli\u003eReplace the bolt whenever the service manual advises or if the bolt shows wear.\u003c\/li\u003e\n  \u003cli\u003eInspect mating surfaces on the crank flange and pulley for cleanliness before installation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eIs this bolt compatible with my Ford model and what are the physical specs?\u003c\/h3\u003e\n\u003cp\u003eCompatibility depends on the vehicle’s engine and year; consult your VIN-based parts catalog or service manual to verify that F5RZ6A340B is the correct crankshaft pulley bolt for your application. The product ships as a single bolt with dimensions and weight consistent with original equipment packaging.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003ePackage dimensions: 1.27 L x 10.16 H x 7.366 W centimeters.\u003c\/li\u003e\n  \u003cli\u003ePackage weight: approximately 0.204 kilograms.\u003c\/li\u003e\n  \u003cli\u003eCountry of origin: United States.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat should I check before installing this replacement bolt?\u003c\/h3\u003e\n\u003cp\u003eBefore installation, confirm part number compatibility, inspect the crank flange and pulley for damage, and prepare the threads per manufacturer guidance. Using the correct torque wrench and following the service manual prevents thread damage and secures the pulley properly.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eVerify the F5RZ6A340B part number against your vehicle’s parts list.\u003c\/li\u003e\n  \u003cli\u003eClean mating surfaces and remove any old sealant or debris.\u003c\/li\u003e\n  \u003cli\u003eUse the specified torque value and any recommended fastener treatment.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: Technicians, DIY enthusiasts, and fleet maintenance managers who need an OEM-spec crankshaft pulley bolt for Ford engines. If you’re performing harmonic balancer replacement, accessory belt servicing, or timing component maintenance on Ford models that call for the F5RZ-6A340-B fastener, this single-item replacement provides a direct-fit solution to restore factory retention and alignment.\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: Does this bolt fit my Ford without modifications?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: If your parts list specifies F5RZ6A340B (F5RZ-6A340-B), it’s a direct fit; verify using VIN or service manual.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Should I reuse the original crankshaft pulley bolt?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Follow the service manual; many manufacturers recommend replacing bolts during pulley or timing service.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Ford","offers":[{"title":"Default Title","offer_id":48084777205918,"sku":"B01IQ69S66","price":39.5,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/ford-crankshaft-pulley-bolt-front-view.jpg?v=1785862900","url":"https:\/\/northtrailauto.ca\/products\/ford-crankshaft-pulley-bolt-f5rz6a340b-oem-replacement-direct-fit-correct-threads","provider":"North Trail Auto","version":"1.0","type":"link"}