{"product_id":"gm-genuine-parts-engine-oil-pressure-sensor-d1818a-19244505-direct-fit-oem-replacement-factory-calibrated","title":"GM GENUINE PARTS Engine Oil Pressure Sensor D1818A (19244505) Direct-Fit OEM Replacement, Factory-Calibrated","description":"\u003cstrong\u003eGM Genuine Parts D1818A (19244505) Engine Oil Pressure Sensor is an OEM-grade replacement that measures engine oil pressure and communicates accurate readings to your vehicle’s control systems and dashboard.\u003c\/strong\u003e\n\n\u003cp\u003eThis GM Genuine Parts oil pressure sensor is manufactured and validated by engineers who design components for Chevrolet, Buick, GMC, and Cadillac vehicles. Built to the same specifications used in original assembly, the D1818A sensor helps maintain reliable oil-pressure monitoring, engine protection strategies, and dashboard accuracy. It’s a direct-fit part intended to replace worn or faulty sensors without modification.\u003c\/p\u003e\n\n\u003ch3\u003eHow does this sensor ensure correct oil pressure readings?\u003c\/h3\u003e\n\u003cp\u003eThe sensor converts mechanical oil pressure into an electrical signal the vehicle’s computer and gauge can interpret. It’s calibrated to GM tolerances so the output matches factory expectations, helping avoid false low-pressure warnings or erratic gauge behavior. Durable internals and precise electrical characteristics reduce drift over time.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eFactory-calibrated signal output matched to GM vehicle systems\u003c\/li\u003e\n  \u003cli\u003eSealed housing to resist oil contamination and leakage\u003c\/li\u003e\n  \u003cli\u003eElectrical connector compatible with original wiring harness\u003c\/li\u003e\n  \u003cli\u003eMaterials chosen for thermal and chemical resistance\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill this fit my vehicle and install easily?\u003c\/h3\u003e\n\u003cp\u003eGM Genuine Parts sensors are designed as direct replacements for the original equipment on supported GM models. The D1818A (19244505) uses the correct threads, electrical connector, and physical dimensions to install without modifications. Typical installation is straightforward for a technician or experienced DIYer with basic tools.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eDirect-fit design matches OE threads and mounting location\u003c\/li\u003e\n  \u003cli\u003eCompatible electrical connector prevents rewiring\u003c\/li\u003e\n  \u003cli\u003eNo programming typically required when replacing a like-for-like part\u003c\/li\u003e\n  \u003cli\u003eBacked by GM validation for fit and function\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat are the durability and quality advantages of choosing GM Genuine Parts?\u003c\/h3\u003e\n\u003cp\u003eThese sensors are engineered and tested to meet GM’s in-house standards rather than generic aftermarket specs. That means the D1818A undergoes environmental, vibration, and electrical tests representative of real-world service conditions. Choosing a GM Genuine part helps maintain original-system performance and long-term reliability.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eBuilt and validated by GM engineers for consistent performance\u003c\/li\u003e\n  \u003cli\u003eTested for vibration, temperature extremes, and fluid exposure\u003c\/li\u003e\n  \u003cli\u003eManufacturing updates reflect modern materials and processes\u003c\/li\u003e\n  \u003cli\u003eMay appear as former ACDelco GM Original Equipment (OE)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow can I tell when the oil pressure sensor needs replacement?\u003c\/h3\u003e\n\u003cp\u003eSymptoms that suggest a failing sensor include intermittent or incorrect oil pressure readings, a persistent oil pressure warning light, or diagnostic trouble codes related to sensor performance. Replacing the sensor is often the correct remedy when wiring and oil passages check out normal during diagnosis. Always follow recommended diagnostic steps before replacing parts.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eErratic or stuck oil pressure gauge readings on the dash\u003c\/li\u003e\n  \u003cli\u003eOil pressure warning lamp that won’t reset after checks\u003c\/li\u003e\n  \u003cli\u003eRelated trouble codes pulled from the vehicle’s computer\u003c\/li\u003e\n  \u003cli\u003eSensor replacement after confirming wiring and oil passages are OK\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: The GM Genuine Parts D1818A (19244505) oil pressure sensor is intended for owners, mechanics, and fleet managers who want an OE-quality replacement for compatible Chevrolet, Buick, GMC, and Cadillac models. It’s aimed at anyone seeking a direct-fit, manufacturer-validated sensor to restore accurate oil pressure monitoring and preserve original system behavior.\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: Is the D1818A (19244505) a direct replacement?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. It’s designed as a direct-fit OEM replacement with matching threads and connector for compatible GM vehicles.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Does this sensor require programming after installation?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: In most cases no programming is needed when replacing a like-for-like GM Genuine sensor; just install and verify operation.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"GM GENUINE PARTS","offers":[{"title":"Default Title","offer_id":48080838983838,"sku":"B000C9Q2LA","price":81.16,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/gm-genuine-parts-oil-pressure-sensor-front.jpg?v=1785789767","url":"https:\/\/northtrailauto.ca\/products\/gm-genuine-parts-engine-oil-pressure-sensor-d1818a-19244505-direct-fit-oem-replacement-factory-calibrated","provider":"North Trail Auto","version":"1.0","type":"link"}