{"title":"2004.5-05 Duramax Fuel System","description":"","products":[{"product_id":"airdog-ii-5g-a7sabc509-df-165-5g-air-fuel-separation-system-2007-5-2010-gm-6-6l-duramax-lmm","title":"AirDog II-5G A7SABC509 DF-165-5G Air\/Fuel Separation System 2001-2010 GM 6.6L Duramax LB7\/LLY\/LBZ\/LMM","description":"\u003cp class=\"_p_16yqn_68\"\u003e\u003cstrong\u003e\u003cspan\u003ePureFlow AirDog II-5G A7SABC509 DF-165-5G Air\/Fuel Separation System - 6.6L Duramax LMM\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"_p_16yqn_68\"\u003e\u003cspan\u003eAuto Diesel Systems brings you the latest evolution in diesel fuel delivery—the PureFlow AirDog II-5G. Engineered specifically for 6.6L Duramax LMM engines, this air\/fuel separation system sets a new standard for performance, reliability, and refinement.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"_p_16yqn_68\"\u003e\u003cstrong\u003e\u003cspan\u003eWhy Auto Diesel Systems Recommends the AirDog II-5G:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"_p_16yqn_68\"\u003e\u003cspan\u003eThe foundation of any high-performance diesel build starts with clean, consistent fuel delivery. The AirDog II-5G doesn't just pump fuel—it removes air, vapor, and contaminants before they reach your injectors, protecting your fuel system while maximizing power and efficiency.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"_p_16yqn_68\"\u003e\u003cstrong\u003e\u003cspan\u003eKey Features:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul class=\"_ul_16yqn_92\"\u003e\n\u003cli\u003e\u003cspan\u003e\u003cstrong\u003eWhisper-Quiet Operation:\u003c\/strong\u003e The quietest AirDog system ever engineered—minimal noise, maximum performance\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e\u003cstrong\u003e165 GPH Flow Rate:\u003c\/strong\u003e More than enough capacity to support stock and modified 6.6L Duramax LMM applications\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e\u003cstrong\u003eAdvanced Air\/Fuel Separation:\u003c\/strong\u003e Removes entrained air and vapor that rob power and damage injectors\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e\u003cstrong\u003eExtended Service Life:\u003c\/strong\u003e Built with premium components for long-term durability and reliability\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e\u003cstrong\u003eImproved Throttle Response:\u003c\/strong\u003e Consistent fuel pressure delivers crisp, immediate power delivery\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"_p_16yqn_68\"\u003e\u003cstrong\u003e\u003cspan\u003eWhat It Does:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul class=\"_ul_16yqn_92\"\u003e\n\u003cli\u003e\u003cspan\u003eEliminates air and vapor from your fuel supply\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eMaintains optimal fuel pressure under all conditions\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eProtects expensive injectors from contamination and cavitation\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSupports increased horsepower demands from tuning and modifications\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eExtends injector and fuel system component life\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"_p_16yqn_68\"\u003e\u003cstrong\u003e\u003cspan\u003eFitment:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul class=\"_ul_16yqn_92\"\u003e\n\u003cli\u003e\u003cspan\u003e\u003cspan style=\"color: rgb(255, 42, 0);\"\u003e2001-2010 GM Silverado\/Sierra with 6.6L Duramax LB7\/LLY\/LBZ\/LMM \u003c\/span\u003ediesel engines\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eModel: A7SABC509 DF-165-5G\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"XDP","offers":[{"title":"Default Title","offer_id":51358566449444,"sku":"PTA7SABC509","price":866.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0975\/7202\/8708\/files\/adga7sabc509.jpg?v=1764099574"},{"product_id":"chevy-duramax-04-5-05-lly-brand-new-stock-cp3-dynomite-diesel","title":"Chevy Duramax 04.5-05 LLY Brand New Stock CP3 Dynomite Diesel","description":"\u003cp class=\"_p_16yqn_68\"\u003e\u003cstrong\u003e\u003cspan\u003ePremium Stock Replacement CP4 Injection Pump for 2004.5-2005 Chevy Duramax 6.6L LLY\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"_p_16yqn_68\"\u003e\u003cspan\u003eWhen your CP4 injection pump fails on your Chevy Duramax 6.6L LMM, you need a reliable replacement that restores performance without compromise. At Auto Diesel Systems, we trust Dynomite Diesel's brand-new CP4 injection pump to deliver the factory performance and long-term durability your truck demands.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"_p_16yqn_68\"\u003e\u003cstrong\u003e\u003cspan\u003eDirect Replacement for Critical Fuel System Component\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"_p_16yqn_68\"\u003e\u003cspan\u003eThe CP4 injection pump is the heart of your Duramax's high-pressure fuel system, and when it fails, the consequences can be catastrophic—metal contamination throughout the fuel system, injector damage, and complete engine shutdown. This brand-new replacement pump eliminates those concerns with factory-fresh components engineered to OEM specifications.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"_p_16yqn_68\"\u003e\u003cstrong\u003e\u003cspan\u003eStock Power Level for Reliable Daily Performance\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"_p_16yqn_68\"\u003e\u003cspan\u003eThis is a stock horsepower replacement designed to maintain your truck's original performance characteristics. Whether you're towing heavy loads, running a work truck, or daily driving, this CP4 delivers the precise fuel pressure your 6.6L Duramax LLY was designed for—no tuning required, just dependable operation.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"_p_16yqn_68\"\u003e\u003cstrong\u003e\u003cspan\u003eKey Features:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul class=\"_ul_16yqn_92\"\u003e\n\u003cli\u003e\u003cspan\u003e\u003cstrong\u003eBrand New Construction\u003c\/strong\u003e – Factory-fresh components, not remanufactured\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e\u003cstrong\u003eStock HP Replacement\u003c\/strong\u003e – Maintains original factory performance specifications\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e\u003cstrong\u003eNo Core Charge\u003c\/strong\u003e – Keep your old pump or dispose of it—no return hassle\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e\u003cstrong\u003eDirect Fit\u003c\/strong\u003e – Designed specifically for 2004.5-2005 Chevy Duramax 6.6L LLY engines\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"DDP","offers":[{"title":"Default Title","offer_id":51363848585508,"sku":"DDPNCP3-308","price":1400.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0975\/7202\/8708\/files\/DDP.NCP3-308-GHJG_1024x1024_0af3b383-5057-4741-88fe-4915be97e449.webp?v=1764177643"},{"product_id":"s-b-65-gallon-replacement-fuel-tank-for-2004-2010-gm-duramax-6-6l-lly-lbz-lmm-crew-cab-long-bed","title":"S\u0026B 65 Gallon Replacement Fuel Tank for 2004-2010 GM Duramax 6.6L LLY, LBZ, LMM Crew Cab Long Bed","description":"\u003cp\u003e\u003cstrong\u003eDirect Replacement Installation\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eS\u0026amp;B's 65-gallon fuel tank directly replaces the OEM 34-gallon tank without any cutting, drilling, or special modifications, making for a trouble-free, faster installation process. With 3 more gallons of capacity than competitor tanks, you'll save time, go further, and get more out of your truck.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePremium OEM-Style Sending Unit Included\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eEach tank includes a premium OEM-style sending unit for reliable fuel level monitoring.\u003c\/p\u003e\n\u003cdiv class=\"p-rich_text_section\"\u003e\n\u003cb data-stringify-type=\"bold\"\u003eImportant Note about the Fuel Gauge Operation:\u003c\/b\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003cul data-border=\"0\" data-indent=\"0\" class=\"p-rich_text_list p-rich_text_list__bullet\" data-stringify-type=\"unordered-list\"\u003e\n\u003cli data-stringify-border=\"0\" data-stringify-indent=\"0\"\u003eThe distance to empty (DTE) on GM trucks can’t be reprogrammed, so it will show about half the mileage that is really left. This occurs with all aftermarket high-capacity fuel tanks.\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eThe nozzle at high flow fuel stations(truck stops) will not be able to fill automatically.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-stringify-border=\"0\" data-stringify-indent=\"0\"\u003eThe bottom of the S\u0026amp;B tank has more surface area than the OE, so there will be a greater fuel reserve when the low fuel indicator comes on.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"S\u0026B","offers":[{"title":"Default Title","offer_id":51364141236516,"sku":"10-1010","price":1549.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0975\/7202\/8708\/files\/10-1010Iso1247.png?v=1764189972"},{"product_id":"62-gallon-replacement-fuel-tank-for-2004-2010-gm-duramax-6-6l-lly-lbz-lmm","title":"62 Gallon Replacement Fuel Tank for 2004-2010 GM Duramax 6.6L LLY, LBZ, LMM","description":"\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDirect Replacement Installation\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eS\u0026amp;B's 62-gallon fuel tank directly replaces the OEM 34-gallon tank without any cutting, drilling, or special modifications, making for a trouble-free, faster installation process. With more capacity than competitor tanks, you'll save time, go further, and get more out of your truck.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFactory Skid Plate Compatible\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eUnlike competitor tanks, the S\u0026amp;B tank was designed to allow you to reuse your factory skid plate if your truck is equipped with one. We also designed a smaller, factory-style skid plate to cover the front of the larger S\u0026amp;B tank, maintaining complete undercarriage protection.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eImportant Notes: \u003c\/strong\u003eThe nozzle at high-flow fuel stations (truck stops) will not be able to fill automatically.\u003cbr\u003e\u003cbr\u003eThis tank holds approximately 62 gallons of fuel. The float's empty position in the S\u0026amp;B Tank is the same as the OEM tank. Since the bottom surface area on the S\u0026amp;B Tank is larger, the 62-gallon tank will have a greater fuel reserve.\u003c\/p\u003e\n\u003cp\u003eFits 2004-2010 GM Duramax 6.6L LLY, LBZ, and LMM equipped trucks.\u003c\/p\u003e","brand":"S\u0026B","offers":[{"title":"Default Title","offer_id":51383799546148,"sku":"10-1006","price":1449.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0975\/7202\/8708\/files\/10-1006Iso40144_0ec64542-b7ca-4349-bb64-98b9572413db.webp?v=1764706287"},{"product_id":"powerflo-lift-pump-for-2004-5-2007-lly-lbz-duramax","title":"PowerFlo Lift Pump for 2004.5-2007 LLY\/LBZ Duramax","description":"\u003cp\u003e\u003cspan\u003eThe PowerFlo lift pump is the latest OEM replacement performance lift pump from the diesel experts at Fleece Performance.  The PowerFlo is the only in-tank lift pump capable of supporting up to 800 hp! .  The PowerFlo lift pump provides positive fuel pressure to the CP3, decreasing strain on the injection pump and supporting up to 800 hp. \u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eDirect OEM In-Tank Replacement:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe PowerFlo Lift Pump retains the factory fuel lines and installs in less than half the time of other high flow lift pumps. \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eOEM Quality - Dual Gerotor: \u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eTwo is always better than one, and the PowerFlo delivers with two OEM quality gerotor pumps, increasing flow capacity and reliability.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eSeamless Integration:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe active fill bucket eliminates the need for tank sumps, draw straws, additional air filtration, and the ¼ tank issues typically encountered when seeking a higher flow lift pump to meet your engine’s need. \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eAftermarket Capable: \u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWant the benefits of the in-tank pump but need to run your own fuel lines or aftermarket filters?  The pump outlet and return is threaded to accept a -8 O-ring fitting (3\/4\"-16 thread). \u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv\u003e\n\u003ch3\u003eApplication Notes\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cp\u003eOperating Pressure: 10-13 psi at idle\u003c\/p\u003e\n\u003cp\u003eFor use with single fuel tank congurations only.\u003c\/p\u003e\n\u003cp\u003eFor fitment\/use in Titan Fuel Tanks, reference our\u003cspan\u003e \u003c\/span\u003e\u003ca href=\"https:\/\/www.fleeceperformance.com\/media\/wysiwyg\/Fleece_and_Titan_Powerflo_Fitment.pdf\" rel=\"noopener\" target=\"_blank\"\u003eFitment Data.\u003c\/a\u003e\u003cspan\u003e  This pump will not fit S\u0026amp;B fuel tanks.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eFor use on pickup style trucks only - for cab \u0026amp; chassis verify your pump P\/N to the cross-reference table.\u003c\/p\u003e\n\u003cp\u003ePowerFlo lift pumps are validated for usage with up to 20% biodiesel. \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"XDP","offers":[{"title":"Default Title","offer_id":51395542384932,"sku":"FPE-34789","price":799.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0975\/7202\/8708\/files\/FPE-34789_Fleece-Performance_040825_1.jpg?v=1764966178"},{"product_id":"chevy-duramax-04-5-05-lly-brand-new-injector-set-20-over-50hp","title":"Chevy Duramax 04.5-05 LLY Brand New Injector Set - 20% Over 50HP","description":"\u003ch3\u003eChevy Duramax 2004.5-2005 LLY 6.6L Injector Set\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003ePerformance Upgrade:\u003c\/strong\u003e Brand new injector set flowing at 20% over stock, delivering approximately 50 RWHP over stock. Capable of supporting up to 575 RWHP with proper supporting modifications.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSold as a balanced and matched set\u003c\/strong\u003e for optimal performance and reliability.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSafe for Stock Trucks:\u003c\/strong\u003e These injectors are safe on stock trucks with excellent street manners and MPG. Drop-in replacement with no additional vehicle upgrades required.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eRecommended:\u003c\/strong\u003e Pyrometer recommended for monitoring.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eNozzle Type:\u003c\/strong\u003e SAC Style Nozzle\u003c\/p\u003e\u003ch4\u003eSpecifications:\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eLiter:\u003c\/strong\u003e 6.6L\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEngine:\u003c\/strong\u003e LLY Duramax\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eYears:\u003c\/strong\u003e 2004.5-2005\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHP Rating:\u003c\/strong\u003e 575 HP\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCondition:\u003c\/strong\u003e Brand New\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"DDP","offers":[{"title":"Default Title","offer_id":51406365983012,"sku":"DDPNLLY-50","price":4702.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0975\/7202\/8708\/files\/ddp_0012_Layer12_1024x1024_087e59cb-1c2f-4ffa-9503-6952e060b2be.webp?v=1765314396"},{"product_id":"chevy-duramax-04-5-05-lly-brand-new-injector-set-30-over","title":"Chevy Duramax 04.5-05 LLY Brand New Injector Set - 30% Over","description":"\u003ch3\u003eChevy Duramax 2004.5-2005 LLY 6.6L Injector Set - 30% Over\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003ePerformance Upgrade:\u003c\/strong\u003e Brand new injector set flowing at 30% over stock. This is the biggest injector recommended for stock CP3 pump or turbo.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSold as a balanced and matched set\u003c\/strong\u003e for optimal performance and reliability.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eImportant:\u003c\/strong\u003e Not recommended for frequent or heavy towing applications with stock turbo.\u003c\/p\u003e\u003ch4\u003eNozzle Details:\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eNozzle Style:\u003c\/strong\u003e SAC Nozzle\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePatented Pilot Hole Technology:\u003c\/strong\u003e YES (2 pilots at 0.005\")\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHole Count:\u003c\/strong\u003e 7 Hole with 2 Pilots\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eSpecifications:\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eLiter:\u003c\/strong\u003e 6.6L\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEngine:\u003c\/strong\u003e LLY Duramax\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eYears:\u003c\/strong\u003e 2004.5-2005\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHP Rating:\u003c\/strong\u003e 625 HP\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCondition:\u003c\/strong\u003e Brand New\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"DDP","offers":[{"title":"Default Title","offer_id":51406370996516,"sku":"DDPNLLY-75","price":4797.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0975\/7202\/8708\/files\/ddp_0012_Layer12_1024x1024_9943fc34-a019-4602-8a74-05029d1ef085.webp?v=1765314811"},{"product_id":"chevy-duramax-04-5-05-lly-individual-stock-reman-injector-dynomite-diesel","title":"Chevy Duramax 04.5-05 LLY Individual Stock Reman Injector Dynomite Diesel","description":"\u003cp\u003eThis remanufactured stock power level injector for Duramax LLY engines (2004.5-2005) features every internal component replaced with new OE parts. Each injector is sold individually and includes the latest revisions for optimal performance.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCore Charge Applies\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eEngine: 6.6L LLY Duramax Diesel\u003c\/li\u003e\n\u003cli\u003eYears: 2004.5-2005\u003c\/li\u003e\n\u003cli\u003eCondition: Remanufactured\u003c\/li\u003e\n\u003cli\u003ePower Level: Stock\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"DDP","offers":[{"title":"Default Title","offer_id":51409065607460,"sku":"DDPLLY-STK","price":408.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0975\/7202\/8708\/files\/zddp_0011__DSF0845_1024x1024_1cc4a034-ac16-40cb-8490-41f1eed8aebd.webp?v=1765400426"},{"product_id":"fass-titanium-signature-series-250gph-fuel-system-for-gmc-chevrolet-2001-2016-duramax-6-6l","title":"FASS Titanium Signature Series 250GPH Fuel System for GMC\/Chevrolet 2001-2016 Duramax 6.6L","description":"\u003ch3\u003eFASS Titanium Signature Series 250GPH Fuel System - 2001-2016 GM Duramax 6.6L\u003c\/h3\u003e\u003cp\u003eA FASS Fuel System is a beneficial upgrade for your GM Duramax diesel engine because your Duramax doesn't come with a factory system like other diesels. This requires your CP3\/CP4 injection system to pull fuel under a vacuum, adding stress to your CP3\/CP4 and risking air\/vapor introduction into your fuel. The Titanium FASS Fuel System solves this problem.\u003c\/p\u003e\u003cp\u003eThe Titanium Signature Series was engineered by FASS to be the top-performing, longest-lasting, and most reliable aftermarket filtration system in the diesel industry. Rated at 250 gallons per hour and backed by a limited lifetime warranty (with registration), this high-performance system supports your GM Duramax 6.6L diesel engine with enough fuel for 900-1200 HP upgrades and aggressive fueling modifications commonly used during competitions.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eImportant:\u003c\/strong\u003e Installation on cab and chassis may require modifications. 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Engineered for the 2004.5–2005 GM 2500\/3500 equipped with the 6.6L LLY Duramax, this kit includes all the lines needed to restore proper fuel delivery from the CP3 pump to your injectors — eliminating leaks, cracks, and pressure loss that rob your engine of power and reliability.\u003c\/p\u003e\u003ch3\u003eWhy Replace Your Injection Lines?\u003c\/h3\u003e\u003cp\u003eHigh-pressure fuel lines on the LLY Duramax are subjected to extreme pressure cycles with every start and shutdown. Over time, lines develop micro-cracks, fittings corrode, and connections weaken — leading to fuel leaks, hard starts, rough idle, and loss of rail pressure. 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