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  • DODGE CUMMINS
  • FORD POWERSTROKE
  • GM DURAMAX
  • COMMERCIAL / INDUSTRIAL
  • CUMMINS CONVERSION PARTS
  • CPP GEAR
  • USED PARTS
  • SHOP BY BRAND

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    • HEAT CONTROL PRODUCTS

    HEAT CONTROL PRODUCTS — 2003–2007 DODGE RAM 5.9L CUMMINS

    Dial in under-hood temps on your 2003–2007 Dodge Ram 2500/3500 5.9L Cummins with proven heat management from CPP Diesel. From turbo blankets and exhaust wrap to gold heat barriers and heat sleeves, we stock the parts that protect wiring, hoses, and the cab while helping your turbo stay hotter and spool efficiently. For more upgrades, see our 03–07 5.9L CUMMINS main category for a complete build path.

    Shop by Component

    • Turbo Blankets – Keep heat in the turbine housing to aid spool and reduce radiant heat:
    • Exhaust Wrap – Control surface temps on downpipes and hot-side plumbing:
    • Gold Heat Barriers (Adhesive-Backed) – Reflect radiant heat away from intake tubes, firewall, or under-hood panels:
    • Heat Sleeves & Looms – Shield vulnerable hoses and harnesses:
    • Underbody Protection – Target radiant heat under the cab or near the exhaust:

    Want to see everything in one place? Browse the full 03–07 HEAT CONTROL PRODUCTS category.

    Popular Use Cases

    • Towing: Wrap the downpipe and add a turbo blanket to cut cab-side heat soak during long grades.
    • Performance/Sled Pull: Keep the hot-side hot—blanket + wrap can improve spool consistency run to run.
    • Reliability: Gold barrier under the cowl and sleeves on heater/fuel lines help protect plastics and wiring from radiant heat.

    Tech Notes & Fitment (03–07 5.9L)

    • T3 vs T4: 2003–2007 trucks commonly use T3 housings; many performance turbos convert to T4. Match your blanket to your turbine housing (see T3 S300 or T4 S300/S400).
    • Adhesive barriers apply best to clean, degreased, smooth surfaces—use templates for complex shapes (13700, 13775).
    • Exhaust wrap is great for downpipes/hot-pipes; avoid wrapping stainless manifolds long-term on daily drivers unless inspected regularly (11022 / 11023).

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    Frequently Asked Questions

    Will a turbo blanket help my 5.9L Cummins spool faster?
    It retains heat in the turbine housing, which helps energy stay in the exhaust stream. Many users see improved spool consistency and lower under-hood temps. Choose the correct blanket: T3 S300 or T4 S300/S400.
    What size exhaust wrap should I buy?
    2" wide wrap is the go-to for downpipes and hot-side piping. Start with 50 ft (11022) for spot areas or 100 ft (11023) for full coverage.
    Is the gold barrier self-adhesive?
    Yes—Thermo-Tec gold barrier sheets and tape are adhesive-backed for easy application (13700, 13775, 13990).
    What’s the temp rating on the products?
    Thermo-Tec exhaust wrap and Cool Tube are listed “up to 2000°F” for high heat protection—see product pages for details (11022, 14500).
    Do these parts bolt on specifically for 03–07?
    Most heat control items are universal fit by size (blankets, wrap, barrier, sleeves). We’ve curated them here for 2003–2007 5.9L trucks to simplify selection. Measure your routing for best results.

    Need help? Call us at 724-785-4022 or message our team—we’ll match the right sizes and materials to your build.

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