{"title":"GMC\/Chevrolet Fuel Systems","description":"\u003cp\u003eBillet fuel filter cap and primer seal kit for the GMC\/Chevy 6.6L Duramax.\u003c\/p\u003e\n\u003ch2\u003eFix the Cracking Plastic, Seal the Primer\u003c\/h2\u003e\n\u003cp\u003eThe L5P Duramax's factory plastic fuel filter cap cracks and leaks — a billet aluminum cap fixes it for good. The primer bulb sealing kit restores a proper seal on the older Duramax fuel system. Small parts that stop fuel leaks and hard starts.\u003c\/p\u003e\n\u003ch3\u003eFits these trucks\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e2017–2024 GMC\/Chevy L5P 6.6L Duramax — billet aluminum fuel filter cap\u003c\/li\u003e\n  \u003cli\u003e2001–2016 GMC\/Chevy 6.6L Duramax — fuel primer bulb sealing kit\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWhy a billet L5P fuel filter cap?\u003c\/strong\u003e\u003cbr\u003eThe factory plastic cap cracks and leaks. A billet aluminum cap fixes it permanently.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat does the primer seal kit do?\u003c\/strong\u003e\u003cbr\u003eIt restores a proper seal on the older Duramax fuel primer system to stop leaks and hard starts.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWill it fit my truck?\u003c\/strong\u003e\u003cbr\u003eThe billet cap fits the L5P (2017–2024); the primer kit fits 2001–2016 Duramax. Match your year on the product page. Get the right part the first time.\u003c\/p\u003e","products":[{"product_id":"fuel-primer-bulb-sealing-kit-2001-2016-chevy-gmc-6-6l-duramax-diesel-2500-3500","title":"Fuel Primer Bulb Sealing Kit 2001-2016 Chevy GMC 6.6L Duramax Diesel 2500 3500","description":"\u003cp\u003eThis fuel primer bulb sealing kit eliminates the leak-prone OEM primer bulb in your 2001–2016 Chevy and GMC 2500 \/ 3500 trucks with 6.6L Duramax diesel engines. When running an aftermarket positive displacement lift pump like the Fleece PowerFlo, this fuel primer bulb sealing kit allows you to eliminate the leak prone primer bulb from your fuel system. Bad seals in the fuel filter head cause the primer to lose the vacuum needed to pull fuel from the tank, introducing air into the fuel system that can cause hard starts and stalling.\u003c\/p\u003e\n\n\u003ch3\u003eFitment\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e2001–2004 Chevy Silverado \/ GMC Sierra 2500 \/ 3500 -- LB7\u003c\/li\u003e\n  \u003cli\u003e2004.5–2005 Chevy Silverado \/ GMC Sierra 2500HD \/ 3500HD -- LLY\u003c\/li\u003e\n  \u003cli\u003e2006–2007 Chevy Silverado \/ GMC Sierra 2500HD \/ 3500HD -- LBZ\u003c\/li\u003e\n  \u003cli\u003e2007.5–2010 Chevy Silverado \/ GMC Sierra 2500HD \/ 3500HD -- LMM\u003c\/li\u003e\n  \u003cli\u003e2011–2016 Chevy Silverado \/ GMC Sierra 2500HD \/ 3500HD -- LML\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eProduct Details\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFunction:\u003c\/strong\u003e Removes the factory primer bulb and removes the ability to prime fuel at the fuel filter head assembly.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSealing Cap:\u003c\/strong\u003e Includes a 1\/8\" NPT port to feed a low pressure fuel gauge or cap it off with the included NPT plug.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHardware:\u003c\/strong\u003e Kit includes two screw options (standard and metric)—thread in by hand each screw type and use the thread pitch with the best fitment.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIncluded Components:\u003c\/strong\u003e Fuel primer cap, 1\/8 inch NPT plug, and fasteners.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 2.0 lbs.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePackage Dimensions:\u003c\/strong\u003e 3.0\" wide x 2.0\" high x 3.0\" long.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eInstallation\u003c\/h3\u003e\n\u003cp\u003eThere is variation amongst the model years, so always test first by hand to verify the thread pitch on your vehicle. This kit is only recommended if you have an aftermarket lift pump assembly.\u003c\/p\u003e\n\n\u003cp\u003eCheck local emissions regulations before purchase. Professional installation is recommended.\u003c\/p\u003e\n\n\u003cp\u003eGet the right part the first time.\u003c\/p\u003e","brand":"Performance Parts Factory","offers":[{"title":"Default Title","offer_id":52915772752181,"sku":"GM-490-0116","price":52.49,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0995\/5036\/3957\/files\/GM-490-0116-1.webp?v=1780531536"},{"product_id":"billet-aluminum-fuel-filter-cap-2017-2024-gmc-chevrolet-l5p-6-6l-duramax-diesel","title":"Billet Aluminum Fuel Filter Cap 2017-2024 GMC Chevrolet L5P 6.6L Duramax Diesel","description":"\u003cp\u003eBuilt from 6061 billet aluminum, this fuel filter cap is a direct fit replacement for 2017–2024 Chevrolet Silverado and GMC Sierra HD trucks with the 6.6L L5P Duramax diesel engine. It provides improved protection—particularly in extreme cold weather when plastic caps are prone to cracking or rounding off. The billet aluminum fuel filter cap resists cracking, wear, and repeated service use better than OEM plastic, making it a proven upgrade for fuel system reliability.\u003c\/p\u003e\n\n\u003ch3\u003eFitment\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e2017-2024 Chevrolet Silverado 2500HD\/3500HD -- L5P 6.6L Duramax\u003c\/li\u003e\n  \u003cli\u003e2017-2024 GMC Sierra 2500HD\/3500HD -- L5P 6.6L Duramax\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eProduct Details\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e 6061 billet aluminum, machined\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSocket Size:\u003c\/strong\u003e 36mm socket for removal\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDrain Valve:\u003c\/strong\u003e Billet aluminum drain valve that requires no tools for draining\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDurability:\u003c\/strong\u003e Eliminates cracking and rounding off from water separator replacement and freeze cycles\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eInstallation\u003c\/h3\u003e\n\u003cp\u003eThis billet aluminum fuel filter cap is a bolt-on direct fit replacement using the same 36mm socket as your OEM cap. No special tools are required—simply remove the old cap and screw the new one on.\u003c\/p\u003e\n\n\u003cp\u003eCheck local emissions regulations before purchase. Professional installation is recommended.\u003c\/p\u003e\n\n\u003cp\u003eGet the right part the first time.\u003c\/p\u003e","brand":"Performance Parts Factory","offers":[{"title":"Default Title","offer_id":52915774259509,"sku":"GM-508-1724","price":84.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0995\/5036\/3957\/files\/GM-508-1724-1.webp?v=1780531491"}],"url":"https:\/\/www.performancepartsfactory.com\/collections\/gmc-chevrolet-fuel.oembed","provider":"Performance Parts Factory","version":"1.0","type":"link"}