{"product_id":"ddp-fuel-injector-line-set-ddplb7line-setv2-2001-2004-6-6-duramax-lb7","title":"DDP FUEL INJECTOR LINE SET DDPLB7LINE-SETV2 | 2001-2004 6.6 DURAMAX LB7","description":"\u003cp\u003eReplace corroded, damaged, or restricted injector lines on your 2001–2004 GM 6.6L Duramax LB7 with the DDP LB7LINE-SETV2 Fuel Injector Line Set. Designed as a direct-fit replacement for the factory injector lines, this complete set includes all eight lines needed to service the LB7 fuel injection system.\u003c\/p\u003e\n\n\u003cp\u003eFactory LB7 injector lines can develop corrosion, particularly around the connection where the line threads onto the fuel injector. Contamination or corrosion in this area can create problems during injector replacement and may introduce debris into the fuel system. Replacing worn injector lines helps protect new or existing injectors while restoring reliable high-pressure fuel delivery.\u003c\/p\u003e\n\n\u003cp\u003eWhether you're replacing injectors, repairing a failed fuel line, or performing preventative maintenance, these corrosion-resistant replacement lines provide a convenient solution with all eight cylinder lines included in one complete set.\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eComplete 8-line set\u003c\/strong\u003e – Includes replacement injector lines for all eight cylinders\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDirect-fit replacements\u003c\/strong\u003e – Designed to replace the factory LB7 injector lines\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCorrosion-resistant construction\u003c\/strong\u003e – Helps address corrosion commonly found around the injector connection\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIdeal for injector replacement\u003c\/strong\u003e – Provides new fuel lines when installing replacement injectors\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eComplete service solution\u003c\/strong\u003e – Suitable for replacing damaged, restricted, or corroded factory lines\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003ePackage Contents\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003e(2) Cylinder 1 \u0026amp; 8 Injector Lines\u003c\/strong\u003e – Replaces GM Part #97188720\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e(2) Cylinder 2 \u0026amp; 7 Injector Lines\u003c\/strong\u003e – Replaces GM Part #97188723\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e(2) Cylinder 3 \u0026amp; 6 Injector Lines\u003c\/strong\u003e – Replaces GM Part #97188721\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e(2) Cylinder 4 \u0026amp; 5 Injector Lines\u003c\/strong\u003e – Replaces GM Part #97188722\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eApplication Notes\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eDesigned as a direct replacement for the factory injector lines on LB7 Duramax engines.\u003c\/li\u003e\n  \u003cli\u003eRecommended when replacing injectors if the original lines show signs of corrosion, contamination, restriction, or damage.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eFitment:\u003c\/strong\u003e 2001–2004 Chevrolet Silverado \u0026amp; GMC Sierra 6.6L Duramax LB7\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePart Number:\u003c\/strong\u003e LB7LINE-SETV2\u003c\/p\u003e","brand":"Dynomite Diesel","offers":[{"title":"Default Title","offer_id":54066174984475,"sku":"DDPLB7LINE-SETV2","price":389.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/5757\/3147\/files\/Screenshot2026-09-29at1.53.20PM.png?v=1790743572","url":"https:\/\/wwmperformance.com\/products\/ddp-fuel-injector-line-set-ddplb7line-setv2-2001-2004-6-6-duramax-lb7","provider":"WWM Performance","version":"1.0","type":"link"}