1R-0750 FUEL FILTER + BILLET REFIT HEAD FOR 2005-2016 DURAMAX 6.6L 2500HD 3500HD

iFJF part No.: FJ-0750-COMB. 1R-0750 Fuel Filter + Billet Aluminum Refit Head Kit for Duramax 6.6L Diesel Upgrade your 2005-2016 GM Duramax 6.6L diesel fuel filtration with this complete kit that replaces the problematic OEM plastic filter housing with a CNC-machined billet aluminum refit head and high-capacity 1R-0750 spin-on filter. The factory filter head is known for air intrusion, cracking, and expensive filter replacements. This billet aluminum solution allows you to use the widely available and cost-effective 1R-0750 spin-on filter providing superior filtration at a fraction of the OEM filter cost. Key Features Complete Filter Head Replacement Kit : Includes 12642623 billet aluminum filter head with hand primer pump, 1R-0750 refit adapter head (CNC-machined, black anodized), and 1R-0750 spin-on filter. Billet Aluminum Construction : Both filter head and refit adapter are precision-machined from solid 6061 aluminum no more cracked plastic housings. Improved Design : Upgraded bolt eliminates removing the check ball during assembly. Aluminum bleeder screw replaces the fragile OEM plastic bleeder. High-Flow Filtration : 1R-0750 filter provides 5-micron filtration with industry-leading flow rates for maximum injection pump protection. Massive Cost Savings : 1R-0750 filters cost $15-25 vs. $40-60 for OEM Duramax filters pays for itself in 2-3 changes. Compatibility Year Make Model Engine 2005-2007 Chevrolet/GMC Silverado/Sierra 2500HD 3500HD 6.6L Duramax LLY/LBZ 2007.5-2010 Chevrolet/GMC Silverado/Sierra 2500HD 3500HD 6.6L Duramax LMM 2011-2016 Chevrolet/GMC Silverado/Sierra 2500HD 3500HD 6.6L Duramax LML Specifications Component Detail 12642623 Filter Head Billet Aluminum, Electrophoresis Coated, Hand Primer Pump, Aluminum Bleeder 1R-0750 Refit Head CNC-Machined 6061 Aluminum, Black Anodized 1R-0750 Filter 5 Micron, 1-14 UNS-2B Thread, Spin-On Style Cross-Ref Filters BF7633, P551313, P551740, FF5320, TP3018, 19305685, 12664429 Why Choose iFJF? Fix the OEM Weak Point : Factory Duramax filter heads crack, leak air, and cost a fortune. Our billet solution fixes all three. Proven 1R-0750 Filter : The Caterpillar 1R-0750 is legendary for filtration quality now available for your Duramax. Precision Fit : Every unit CNC-machined to exact tolerances and pressure-tested before shipping. Frequently Asked Questions Q: Will this fit my 2013 Duramax LML? A: Yes. This kit fits all 2005-2016 Duramax including LLY, LBZ, LMM, and LML engine codes. Q: Do I need to remove the check ball during installation? A: No our upgraded bolt design eliminates this step entirely. Q: What replacement filters can I use afterwards? A: Any filter crossing with 1R-0750: BF7633 (Baldwin), P551313 (Donaldson), FF5320 (Fleetguard), and others. Q: How often should I replace the filter? A: Every 10,000-15,000 miles or every other oil change. More frequently with biodiesel or dusty conditions. Q: Does the kit include installation instructions? A: Professional installation is recommended. The kit includes all necessary components for OEM-to-spin-on conversion. Related Products 1R-0750 Fuel Filter (Replacement Filter) Duramax Diesel Resources Maintenance Guides: Duramax Fuel Filter Housing: Complete Compatibility Guide (2001 2024) 2001 2016 Duramax Fuel Filter Replacement: Complete DIY Guide Top 5 Diesel Fuel Filter Housing Problems (And How to Fix Them) Duramax 6.6L Oil Change: Complete DIY Guide (Every Generation) Shop All Duramax 6.6L Parts | Browse All Fuel Filters Related