{"product_id":"fleece-injector-line-set-fpe-34611-2001-2004-6-6l-duramax-lb7","title":"FLEECE INJECTOR LINE SET FPE-34611 | 2001-2004 6.6L DURAMAX LB7","description":"\u003cp\u003eReplace the injector lines in your 2001–2004 GM 6.6L Duramax LB7 with the Fleece Performance FPE-34611 Injector Line Set. Designed as a direct replacement for the factory lines, this set is an ideal choice when replacing fuel injectors or servicing damaged, corroded, or contaminated injector lines.\u003c\/p\u003e\n\n\u003cp\u003eReusing old LB7 injector lines can introduce rust, debris, and other contaminants into newly installed injectors. Installing new injector lines during injector replacement helps reduce the risk of fuel system contamination and protects your investment in new fuel system components.\u003c\/p\u003e\n\n\u003cp\u003eEach line is supplied \u003cstrong\u003enew, not remanufactured\u003c\/strong\u003e, and is designed for direct replacement of the original equipment. No core return or core charge is required.\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDirect replacement injector lines\u003c\/strong\u003e – Designed to replace the factory LB7 injector lines\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHelps prevent fuel contamination\u003c\/strong\u003e – New lines reduce the risk of introducing debris or corrosion into replacement injectors\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIdeal for injector replacement\u003c\/strong\u003e – Recommended when installing new fuel injectors or servicing the high-pressure fuel system\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNew components\u003c\/strong\u003e – Supplied new, not remanufactured\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNo core charge\u003c\/strong\u003e – No original injector lines need to be returned\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eApplication Notes\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eRecommended when replacing injectors if the original injector lines show signs of corrosion, contamination, restriction, or damage.\u003c\/li\u003e\n  \u003cli\u003eDesigned as a direct replacement for the factory injector lines on LB7 Duramax engines.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eFitment:\u003c\/strong\u003e 2001–2004 GM 6.6L Duramax LB7\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePart Number:\u003c\/strong\u003e FPE-34611\u003c\/p\u003e","brand":"Fleece Performance Engineering","offers":[{"title":"Default Title","offer_id":54078094213403,"sku":"FPE-34611","price":379.05,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/5757\/3147\/files\/Screenshot2026-10-01at3.42.03PM.png?v=1790890961","url":"https:\/\/wwmperformance.com\/products\/fleece-injector-line-set-fpe-34611-2001-2004-6-6l-duramax-lb7","provider":"WWM Performance","version":"1.0","type":"link"}