{"product_id":"nissan-sentra-almera-2003-2006-1-8l-engine-qg18de","title":"Nissan Sentra \/ Almera 2003–2006 1.8L Engine | QG18","description":"\u003cp data-start=\"61\" data-end=\"284\"\u003eReliable and economical \u003cstrong data-start=\"85\" data-end=\"107\"\u003e1.8L DOHC inline-4\u003c\/strong\u003e engine imported from Japan 🇯🇵. Compression-tested and ready for installation — a dependable replacement for Nissan compact platforms focused on fuel efficiency and longevity.\u003c\/p\u003e\n\u003cp data-start=\"286\" data-end=\"551\"\u003e\u003cstrong data-start=\"286\" data-end=\"302\"\u003eEngine code:\u003c\/strong\u003e QG18\u003cbr data-start=\"309\" data-end=\"312\"\u003e\u003cstrong data-start=\"312\" data-end=\"330\"\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"286\" data-end=\"551\"\u003e\u003cstrong data-start=\"312\" data-end=\"330\"\u003eConfiguration:\u003c\/strong\u003e Inline-4 DOHC 16-valve\u003cbr data-start=\"353\" data-end=\"356\"\u003e\u003cstrong data-start=\"356\" data-end=\"373\"\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"286\" data-end=\"551\"\u003e\u003cstrong data-start=\"356\" data-end=\"373\"\u003eDisplacement:\u003c\/strong\u003e 1769 cc\u003cbr data-start=\"381\" data-end=\"384\"\u003e\u003cstrong data-start=\"384\" data-end=\"396\" data-is-only-node=\"\"\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"286\" data-end=\"551\"\u003e\u003cstrong data-start=\"384\" data-end=\"396\" data-is-only-node=\"\"\u003eMileage:\u003c\/strong\u003e 45,000 – 65,000 miles (verified low-mileage JDM import)\u003cbr data-start=\"452\" data-end=\"455\"\u003e\u003cstrong data-start=\"455\" data-end=\"477\"\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"286\" data-end=\"551\"\u003e\u003cstrong data-start=\"455\" data-end=\"477\"\u003eCompression ratio:\u003c\/strong\u003e ~9.5 : 1 (factory spec; verified consistent compression across cylinders)\u003c\/p\u003e\n\u003cp data-start=\"553\" data-end=\"564\"\u003e\u003cstrong data-start=\"553\" data-end=\"562\"\u003eFits:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"565\" data-end=\"699\"\u003e\n\u003cli data-start=\"565\" data-end=\"601\"\u003e\n\u003cp data-start=\"567\" data-end=\"601\"\u003eNissan Sentra 1.8L (2003 – 2006)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"602\" data-end=\"638\"\u003e\n\u003cp data-start=\"604\" data-end=\"638\"\u003eNissan Almera 1.8L (2003 – 2006)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"639\" data-end=\"669\"\u003e\n\u003cp data-start=\"641\" data-end=\"669\"\u003eNissan Pulsar 1.8L \u003cem data-start=\"660\" data-end=\"667\"\u003e(JDM)\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"670\" data-end=\"699\"\u003e\n\u003cp data-start=\"672\" data-end=\"699\"\u003eNissan Sunny 1.8L \u003cem data-start=\"690\" data-end=\"697\"\u003e(JDM)\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"701\" data-end=\"875\"\u003eSmooth daily performance, low operating costs, and proven Nissan reliability — the \u003cstrong data-start=\"784\" data-end=\"794\"\u003eQG18\u003c\/strong\u003e is an excellent choice for stock engine replacement and long-term daily driving.\u003c\/p\u003e\n\u003cp data-start=\"877\" data-end=\"1151\" data-is-last-node=\"\" data-is-only-node=\"\"\u003e\u003cem data-start=\"877\" data-end=\"1151\" data-is-last-node=\"\"\u003eFitment list is provided for reference only. Compatibility may vary by market, transmission, ECU, and emissions configuration. Please confirm fitment with a certified mechanic before purchasing to verify your exact engine model, or contact us and we’ll be happy to assist.\u003c\/em\u003e\u003c\/p\u003e","brand":"My Store","offers":[{"title":"Default Title","offer_id":42786060402751,"sku":null,"price":0.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0633\/8809\/0431\/files\/Screenshot2025-12-19at2.16.48PM.png?v=1766171813","url":"https:\/\/jdmcali.com\/products\/nissan-sentra-almera-2003-2006-1-8l-engine-qg18de","provider":"JDM Calimotors Sports","version":"1.0","type":"link"}