{"product_id":"wflnhb-ignition-coil-dr-49-with-d577-integrated-module-direct-fit-for-gm-trucks-suvs","title":"WFLNHB Ignition Coil DR-49 with D577 Integrated Module — Direct-Fit for GM Trucks \u0026 SUVs","description":"\u003cp\u003e\u003cstrong\u003eWFLNHB Ignition Coil DR-49 with integrated Ignition Module D577 is a direct-fit replacement assembly engineered to restore reliable spark delivery for a wide range of GM trucks and SUVs from the mid-1990s to the mid-2000s.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eIf your vehicle is running rough, misfiring, or showing poor fuel economy due to a failing ignition coil or module, this WFLNHB assembly offers a ready-to-install swap that matches the original equipment form, fit, and most electrical connections. The unit is compatible with numerous Chevy, GMC, Pontiac, Oldsmobile and Fleetwood platforms and replaces several common OE and aftermarket part numbers so technicians and DIYers can find a suitable alternative quickly.\u003c\/p\u003e\n\n\u003ch3\u003eWhich vehicles and part numbers will this unit replace?\u003c\/h3\u003e\n\u003cp\u003eThis coil and module assembly is designed to cover many GM applications from 1995 through 2007, including full-size trucks, SUVs, vans and performance cars. It lists direct fitment for models such as Chevy Express, Silverado, Suburban, Camaro, Blazer, Astro, and Cadillac Escalade among others.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eReplaces DR-49, C1098, 5C1062, LX381, DR178 and more\u003c\/li\u003e\n  \u003cli\u003eFitment includes Chevy Express 1500\/2500\/3500 (1996–2007), Silverado 1500 (1999–2007)\u003c\/li\u003e\n  \u003cli\u003eAlso fits Chevy Astro, Blazer, C\/K trucks, Suburban, G30 vans, Pontiac Firebird, Oldsmobile Bravada\u003c\/li\u003e\n  \u003cli\u003eCheck stamped part numbers and vehicle year\/engine compatibility before ordering\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow does this replacement coil improve driving performance?\u003c\/h3\u003e\n\u003cp\u003eReplacing a worn ignition coil\/module can recover lost spark intensity and timing stability, which helps reduce misfires and rough idle. While replacement does not change engine tuning, restoring proper ignition components supports smoother acceleration and more consistent fuel burn.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eRestores proper secondary and primary ignition signals\u003c\/li\u003e\n  \u003cli\u003eReduces misfires that can trigger check engine lights\u003c\/li\u003e\n  \u003cli\u003eHelps return throttle response and steady idling\u003c\/li\u003e\n  \u003cli\u003eOEM-equivalent electrical connections for quick swap\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat should I expect during installation and compatibility checks?\u003c\/h3\u003e\n\u003cp\u003eInstallation is typically straightforward: disconnect battery, unbolt the old coil\/module, unplug connectors and transfer any retained hardware. Verify the replacement’s part numbers and connector pinout match your vehicle to avoid surprises and ensure a secure electrical fit.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eComes sealed and ready to install out of the box\u003c\/li\u003e\n  \u003cli\u003eStandard hand tools needed; common shop installation time under one hour\u003c\/li\u003e\n  \u003cli\u003eConfirm part numbers DR-49, C1098, D577 etc. against the old unit\u003c\/li\u003e\n  \u003cli\u003eInspect wiring harness and ground points for corrosion before fitting\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat are the build quality and package contents?\u003c\/h3\u003e\n\u003cp\u003eThe WFLNHB assembly is manufactured from high-grade materials meant to match or approximate OEM durability and thermal resistance. It ships as a single integrated ignition coil with the ignition module already attached, reducing parts handling and simplifying replacement.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eIncludes 1 x ignition coil with ignition module pre-assembled\u003c\/li\u003e\n  \u003cli\u003eConstructed for improved heat resistance and vibration durability\u003c\/li\u003e\n  \u003cli\u003eSealed packaging to protect terminals and housing during shipping\u003c\/li\u003e\n  \u003cli\u003eNot a plug-and-play warranty claim; inspect fitment before installation\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: mechanics, fleet managers and informed DIYers who maintain late-90s to early-2000s GM trucks, vans and SUVs and need a cost-effective, direct-fit ignition coil\/module replacement. If you’re servicing a Chevy Express, Silverado, Suburban, Astro, Blazer, Escalade, Camaro or similar model and your vehicle shows ignition-related symptoms, this WFLNHB DR-49\/D577 unit is a practical replacement option — especially when cross-referencing the listed part numbers and verifying connector compatibility with your vehicle.\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: Will this unit fit my 2000 Chevy Silverado 1500?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes — the WFLNHB DR-49\/D577 lists fitment for Silverado 1500 models from 1999–2007; confirm connector and part number match before ordering.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Does the package include the ignition module?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes — the product ships as one integrated ignition coil with the ignition module already assembled.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"WFLNHB","offers":[{"title":"Default Title","offer_id":48085819654302,"sku":"B09HRL37WJ","price":43.05,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/wflnhb-ignition-coil-front-view.jpg?v=1785877970","url":"https:\/\/northtrailauto.ca\/products\/wflnhb-ignition-coil-dr-49-with-d577-integrated-module-direct-fit-for-gm-trucks-suvs","provider":"North Trail Auto","version":"1.0","type":"link"}