--- product_id: 54557805 title: "Marsflex Fuel Injector Supply Line Set of 6 | Fit for 2003-2009 Dodge Ram 2500 3500 5.9L Cummins Diesel, 5086871AA, 5086872AB, 5086873AB, 5086874AB, 5086875AB, 5086876AD" brand: "marsflex" price: "$418.55" currency: USD in_stock: true category: "Marsflex" url: https://www.desertcart.us/products/54557805-marsflex-fuel-injector-supply-line-set-of-6-fit-2003 store_origin: US region: United States of America --- # 6 precision-fit injector lines Leak-proof nut connections ST52 stainless steel corrosion resistance Marsflex Fuel Injector Supply Line Set of 6 | Fit for 2003-2009 Dodge Ram 2500 3500 5.9L Cummins Diesel, 5086871AA, 5086872AB, 5086873AB, 5086874AB, 5086875AB, 5086876AD **Brand:** marsflex **Price:** $418.55 **Availability:** ✅ In Stock ## Summary > ⚡ Upgrade Your Diesel Power with Precision & Durability! ## Quick Answers - **What is this?** Marsflex Fuel Injector Supply Line Set of 6 | Fit for 2003-2009 Dodge Ram 2500 3500 5.9L Cummins Diesel, 5086871AA, 5086872AB, 5086873AB, 5086874AB, 5086875AB, 5086876AD by marsflex - **How much does it cost?** $418.55 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/54557805-marsflex-fuel-injector-supply-line-set-of-6-fit-2003) ## Best For - marsflex enthusiasts ## Why This Product - Trusted marsflex brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Complete Set of Six:** Includes all six injector lines (5086871AA to 5086876AD) for a comprehensive, ready-to-install upgrade. - • **Leak-Proof Assurance:** Meticulously inspected nut connections ensure zero leakage, protecting your engine’s fuel system integrity. - • **Precision Engineered Fit:** Each tube’s exact curvature guarantees hassle-free installation tailored for your Dodge Ram 2500/3500 5.9L Cummins. - • **Risk-Free One-Year Warranty:** Drive with confidence backed by a no-mileage-limit warranty that keeps you covered. - • **Durable Stainless Steel Build:** Crafted from premium ST52 stainless steel with rust-preventing oil-treated ends for long-lasting performance. ## Overview The Marsflex Fuel Injector Supply Line Set includes six high-quality ST52 stainless steel lines designed specifically for 2003-2009 Dodge Ram 2500/3500 5.9L Cummins diesel engines. Each line features precision bends for easy installation, rust-resistant oil-treated ends, and leak-proof nut connections. Backed by a one-year unlimited mileage warranty, this set ensures reliable fuel delivery and engine performance. ## Description Buy Marsflex Fuel Injector Supply Line Set of 6 | Fit for 2003-2009 Dodge Ram 2500 3500 5.9L Cummins Diesel, 5086871AA, 5086872AB, 5086873AB, 5086874AB, 5086875AB, 5086876AD: Fuel Injectors - desertcart.com ✓ FREE DELIVERY possible on eligible purchases ## Features - [Advantage] The fuel injector supply line is made of ST52 stainless steel. The pipe’s ends are smooth with the perfect cut technique. The oil inside of the ends prevents rust - [Installation] The precise curvature of each tube ensures it is easy to install .(Note: each model of the line only fits for its own position ) And the tubes have been inspected carefully, ensuring there is no leakage at the nut connection - [Warranty]One-year warranty, without mileage limit - [Application] The fuel injector supply lines fit for 2003-2009 Dodge Ram 2500/3500 5.9L Cummins diesel - [Package] Package includes 5086871AA * 1, 5086872AB * 1, 5086873AB * 1, 5086874AB * 1, 5086875AB * 1, 5086876A * 1 ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B071NNB21M | | Best Sellers Rank | #245,046 in Automotive ( See Top 100 in Automotive ) #405 in Automotive Replacement Fuel Injectors | | Brand Name | Marsflex | | Color | silver gray | | Customer Reviews | 4.3 4.3 out of 5 stars (90) | | Included Components | 6 fuel Injector Lines | | Item Weight | 2.1 pounds | | Manufacturer | Marsmotor | | Manufacturer Warranty Description | 1-Year-Warranty | | Material Type | Metal | ## Product Details - **Brand:** Marsflex - **Color:** silver gray - **Item Weight:** 2.1 pounds - **Manufacturer:** Marsmotor - **Material:** Metal - **Set Name:** Fuel Injector Supply Line Set of 6 - **Specific Uses For Product:** fuel injector supply line replacement for 2003-2009 Dodge Ram 2500/3500 5.9L Cummins diesel engines ## Images ![Marsflex Fuel Injector Supply Line Set of 6 | Fit for 2003-2009 Dodge Ram 2500 3500 5.9L Cummins Diesel, 5086871AA, 5086872AB, 5086873AB, 5086874AB, 5086875AB, 5086876AD - Image 1](https://m.media-amazon.com/images/I/61uixd6+QJL.jpg) ![Marsflex Fuel Injector Supply Line Set of 6 | Fit for 2003-2009 Dodge Ram 2500 3500 5.9L Cummins Diesel, 5086871AA, 5086872AB, 5086873AB, 5086874AB, 5086875AB, 5086876AD - Image 2](https://m.media-amazon.com/images/I/51pDj9t5FkL.jpg) ![Marsflex Fuel Injector Supply Line Set of 6 | Fit for 2003-2009 Dodge Ram 2500 3500 5.9L Cummins Diesel, 5086871AA, 5086872AB, 5086873AB, 5086874AB, 5086875AB, 5086876AD - Image 3](https://m.media-amazon.com/images/I/61DZ0ueNlLL.jpg) ![Marsflex Fuel Injector Supply Line Set of 6 | Fit for 2003-2009 Dodge Ram 2500 3500 5.9L Cummins Diesel, 5086871AA, 5086872AB, 5086873AB, 5086874AB, 5086875AB, 5086876AD - Image 4](https://m.media-amazon.com/images/I/41ALHYHi1XL.jpg) ![Marsflex Fuel Injector Supply Line Set of 6 | Fit for 2003-2009 Dodge Ram 2500 3500 5.9L Cummins Diesel, 5086871AA, 5086872AB, 5086873AB, 5086874AB, 5086875AB, 5086876AD - Image 5](https://m.media-amazon.com/images/I/61cJ8x0kpwL.jpg) ## Available Options This product comes in different **Size** options. ## Questions & Answers **Q: Quiero saber cuál es la fecha de entrega en Temuco chile si realizo la compra hoy?** A: Thank you for choosing Marsflex fuel injector line. 4# (5086874AA) is shipped by Amazon, you can contact Amazon Service to consult the delivery date. **Q: Will this fit my 1996 12v 3500 Dodge Ram long bed ext cab** A: No these are for the 3rd gen 24 valve Cummins...and there junk do yourself a favor and get OEM.. genuine Cummins lines are more expensive for a reason.. these lines cracked at the bends after 9 months --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.us/products/54557805-marsflex-fuel-injector-supply-line-set-of-6-fit-2003](https://www.desertcart.us/products/54557805-marsflex-fuel-injector-supply-line-set-of-6-fit-2003) --- *Product available on Desertcart United States of America* *Store origin: US* *Last updated: 2026-08-26*