2001-2016 CHEVY GMC SIERRA 2500HD 3500HD DURAMAX 6.6L V8 DIESEL ENGINE LB7/LLY/LBZ/LMM/LML 1R-0750 FUEL FILTER AND REFIT

iFJF part No.: FJ-0750-1R0750. Product Overview Protect your Duramax engine's fuel injection system with the iFJF 1R-0750 Fuel Filter and Billet Aluminum Refit Head Kit. Designed as a direct replacement for the factory plastic filter housing on 2001-2016 Chevrolet Silverado and GMC Sierra 2500HD/3500HD trucks equipped with the 6.6L Duramax V8 diesel (LB7, LLY, LBZ, LMM, LML). The OEM plastic housing is notorious for cracking, leaking, and air intrusion this billet aluminum upgrade permanently solves those issues while delivering superior filtration. The included 1R-0750 filter element features high-efficiency cellulose/synthetic media rated at 2-micron absolute filtration, capturing 99.9% of harmful contaminants before they reach your injectors. With today's ultra-high-pressure common rail systems, even microscopic particles can cause catastrophic injector failure. This kit provides OEM-spec or better protection at a fraction of dealer pricing. Key Features Billet 6061-T6 Aluminum Construction: CNC-machined from solid billet far stronger than factory plastic. Resists heat cycling, vibration, and chemical degradation. Direct Bolt-On Installation: Uses factory mounting points and fuel line connections. No drilling, cutting, or modifications required. 2-Micron Absolute Filtration: 1R-0750 filter element provides excellent water separation and particulate removal. Black Anodized Finish: Corrosion-resistant coating for long-term durability in all weather conditions. Complete Kit: Includes filter head, 1R-0750 filter element, mounting hardware, O-rings, and installation guide. Lifetime Housing Warranty: The billet head is warrantied for life against manufacturing defects. Compatibility Year Make Model Engine 2001-2016 Chevrolet Silverado 2500HD/3500HD 6.6L Duramax V8 (LB7/LLY/LBZ/LMM/LML) 2001-2016 GMC Sierra 2500HD/3500HD 6.6L Duramax V8 (LB7/LLY/LBZ/LMM/LML) 2001-2007 Chevrolet Silverado 1500HD/2500 (Classic) 6.6L Duramax V8 2001-2007 GMC Sierra 1500HD/2500 (Classic) 6.6L Duramax V8 Why Upgrade from Plastic? The factory Duramax fuel filter housing (ACDelco TP3018 / GM 12642623) is made of plastic that becomes brittle over time. Common failures include: Bleeder screw threads stripping leading to vacuum leaks and hard starts Housing body cracks causing fuel leaks and fire hazards WIF sensor port failure false warnings or no detection O-ring seal degradation air intrusion causing rough idle and power loss This billet aluminum replacement permanently eliminates all of these failure points. If you're on your second or third plastic housing, this is the last one you'll ever need to buy. Specifications Specification Value Filter Element 1R-0750 (Caterpillar / Donaldson style) Filtration Rating 2 Micron Absolute Housing Material Billet 6061-T6 Aluminum Finish Black Anodized Thread Size (Inlet/Outlet) 1"-14 UNF (O-Ring Boss) Water Separation Efficiency >95% Filter Change Interval 15,000 miles (severe duty: 10,000) Installation Notes Installation is straightforward and can be completed in 30-60 minutes with basic hand tools. The kit bolts directly to the factory fuel filter housing bracket on the driver's side of the engine bay. Includes detailed installation guide with torque specifications and bleeding procedure. Recommended tools: 10mm socket, 1" wrench, flathead screwdriver, fuel line disconnect tool. FAQ Q: Will this fit my 2013 Duramax LML? A: Yes. This kit fits all 2001-2016 Duramax 6.6L engines including LB7, LLY, LBZ, LMM, and LML. The filte