{"product_id":"cummins-onan-oil-filter-for-emerald-marquis-generators-122-0645-oem-fit-compact-us-made","title":"Cummins Onan oil filter for Emerald \u0026 Marquis generators — 122-0645, OEM-fit, compact US-made","description":"\u003cp\u003e\u003cstrong\u003eThe Cummins Onan 122-0645 oil filter is a factory-compatible replacement designed to protect Emerald and Marquis generator engines by trapping contaminants and maintaining oil flow.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eBuilt to original equipment specifications in the United States, this compact oil filter fits Cummins Onan Emerald and Marquis generator models. It’s engineered for reliable filtration during routine maintenance, offering a straightforward install and consistent performance. The unit’s modest size and light weight make storage and handling easy for technicians and vehicle owners alike.\u003c\/p\u003e\n\n\u003ch3\u003eHow does this filter improve routine generator maintenance?\u003c\/h3\u003e\n\u003cp\u003eReplacing the oil filter at recommended intervals helps keep engine oil cleaner, which supports smoother operation and reduces wear on internal components. This Cummins Onan unit is made to match factory tolerances so it seals correctly and maintains oil pressure.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003ePrecision fit for Emerald and Marquis generator models\u003c\/li\u003e\n  \u003cli\u003eDesigned to trap common engine contaminants\u003c\/li\u003e\n  \u003cli\u003eMaintains proper oil flow and pressure when installed correctly\u003c\/li\u003e\n  \u003cli\u003eCompact dimensions make storage and replacement simple\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat are the physical specs and origin of the 122-0645 oil filter?\u003c\/h3\u003e\n\u003cp\u003eThe filter is a lightweight, compact component manufactured in the United States. Its package dimensions and weight allow for easy shipping, stocking, and handling during service calls.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eProduct type: Oil Filter\u003c\/li\u003e\n  \u003cli\u003eItem package weight: 0.27 kilograms (approx. 0.6 lbs)\u003c\/li\u003e\n  \u003cli\u003ePackage dimensions: 8.1 cm L x 9.3 cm W x 9.4 cm H\u003c\/li\u003e\n  \u003cli\u003eCountry of origin: United States\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow simple is installation and what should technicians expect?\u003c\/h3\u003e\n\u003cp\u003eInstallation is straightforward when following the generator manufacturer’s service instructions. The filter’s design mirrors OEM form and function, so standard tools and procedures apply for removal and replacement.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eRemove old filter and drain any residual oil per service manual\u003c\/li\u003e\n  \u003cli\u003eInspect sealing surfaces and lubricate gasket before mounting\u003c\/li\u003e\n  \u003cli\u003eHand-tighten per torque or rotation spec provided by Cummins Onan\u003c\/li\u003e\n  \u003cli\u003eCheck for leaks after first run and re-torque if required\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for? The Cummins Onan 122-0645 oil filter is ideal for fleet managers, RV owners, marine operators, and service technicians who maintain Onan Emerald and Marquis generator series. It suits anyone seeking an OEM-compatible replacement that’s easy to store, straightforward to install, and manufactured to perform reliably in routine maintenance cycles.\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 generator models does the 122-0645 fit?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: The 122-0645 oil filter is compatible with Cummins Onan Emerald and Marquis generator models.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is this an OEM-quality part and where is it made?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes — the filter is built to OEM specifications and manufactured in the United States.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Cummins","offers":[{"title":"Default Title","offer_id":67591449411769,"sku":"B003ZOIYZ6","price":63.03,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0822\/3765\/3177\/files\/cummins-onan-oil-filter-front-view.jpg?v=1790551449","url":"https:\/\/redleafauto.ca\/products\/cummins-onan-oil-filter-for-emerald-marquis-generators-122-0645-oem-fit-compact-us-made","provider":"Redleaf Auto","version":"1.0","type":"link"}