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  • DODGE CUMMINS
  • FORD POWERSTROKE
  • GM DURAMAX
  • COMMERCIAL / INDUSTRIAL
  • CUMMINS CONVERSION PARTS
  • CPP GEAR
  • USED PARTS
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    • AIR INTAKE SYSTEMS AND FILTERS

    AIR INTAKE SYSTEMS & FILTERS — 1998.5–2002 DODGE RAM 5.9L CUMMINS (24-VALVE)

    Uncork your late 2nd-Gen (1998.5–2002) 5.9L Cummins with high-flow intake kits, BHAF upgrades, replacement elements, pre-filters, and maintenance accessories. CPP Diesel curates proven parts that fit and flow—whether you daily drive, tow, or sled pull.

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    Featured 98.5–02 Picks

    Fitment & Benefits

    • Direct fit: 1998.5–2002 Ram 2500/3500, 5.9L 24-valve Cummins (VP44).
    • Real gains: Reduced restriction, quicker spool, lower EGT under load, improved throttle response.
    • Serviceable: Oiled or dry media options; pre-filters extend cleaning intervals in dusty use.
    • Emissions: Many kits carry CARB EO for 50-state use—see product page for EO numbers.

    Frequently Asked Questions

    What’s the difference between 1998 and 1998.5 trucks?

    1998.5 marks the switch to the 24-valve ISB with VP44 injection. The intake kits above target 1998.5–2002 fitment; earlier 1998 12-valve trucks use different parts.

    Oiled vs. dry filter — which should I choose?

    Oiled media typically flows slightly more; dry media is easy to service and better for dusty environments. Both are high-efficiency when maintained.

    Is the S&B 75-5090D legal in my state?

    Yes, it’s listed as CARB-exempt for 94–02 applications. Always verify the EO on the product page before purchase.

    Do I need tuning after installing an intake?

    No tune required for these bolt-on kits. You may see lower EGT and modest power/MPG improvements, especially when towing.

    What’s a BHAF and why do people run it?

    “Big Honkin’ Air Filter” is a large, open-element filter that reduces restriction and is popular on 2nd-Gens. Use an outerwear/pre-filter if you run gravel, dirt, or snow frequently.

    Which related parts pair well with an intake?

    Consider a high-flow intake elbow/plate and upgraded boost tubes for even better charge-air flow.

    Why Buy from CPP Diesel?

    • Second-Gen Specialists: Parts we’ve tested and trust on 24-valve platforms.
    • Fast Shipping & Support: Real humans, real Cummins experience.
    • Price & Selection: From daily drivers to dedicated pullers, we stock the right solution.

     

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