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1994-1998 5.9L 12V Cummins

ENGINE & PERFORMANCE

suspension & drivetrain

EXTERIOR

RDP offers a complete selection of stock replacement parts, aftermarket upgrades, and accessories for your 1994–1998 Dodge Ram 2500/3500 with the 5.9L diesel engine. Whether you’re maintaining, repairing, or upgrading your 2nd Gen Cummins, RDP has the high-quality parts and trusted brands you need.


Maintain Your 5.9L Cummins Diesel

  • Engine Oil & Filters – Extend engine life with regular oil changes using top brands like Royal Purple and Hot Shot’s Secret.

  • Air Filters – Choose from OEM replacements or high-flow filters from AFE, K&N, and more.

  • Fuel Filters – Keep your fuel system clean with stock and aftermarket filter options.

  • Coolant – Maintain your cooling system with premium coolants from Mishimoto, Hot Shot’s Secret, and Evans Waterless.


Common Repair Parts

  • Turbochargers – Restore performance with stock or upgraded turbos from Industrial Injection, PurePower, and others.

  • Cooling System Components – Replace worn-out radiators, hoses, and water pumps to keep your truck running cool.

  • Killer Dowel Pin Fix Kit – Avoid catastrophic engine damage by securing your factory dowel pin with a bolt-on fix.


Popular Performance Upgrades

  • Cold Air Intakes – Boost airflow with kits from S&B, AFE, K&N, and Banks Power.

  • Tuners & Programmers – Increase horsepower and torque with devices from Edge, SCT, and Superchips.

  • Exhaust Systems – Reduce backpressure and enhance sound with systems from MBRP, Magnaflow, and AFE.

  • Head Stud Kits – Prevent blown head gaskets with stud kits from ARP, OptiTorque, and Gator Fasteners.

  • Lift Pumps – Improve fuel delivery with high-quality pumps from FASS and AirDog.


Best-Selling Accessories

  • Tonneau Covers – Protect your truck bed with covers from BAK, Bestop, and Access.

  • Floor Liners & Mats – Keep your interior clean with durable liners from WeatherTech and Husky.

  • Running Boards – Enhance accessibility with stylish options from AMP Research, N-Fab, and more.


Lift & Leveling Kits

  • Lift Kits – Gain ground clearance and off-road capability with kits from BDS, Icon, and Rough Country.

  • Leveling Kits – Eliminate front-end rake with options from Bilstein, Daystar, and Kryptonite.


Appearance Upgrades

  • Headlights & Taillights – Modernize your Ram’s look with lights from Morimoto, AlphaRex, and more.

  • Wheels – Customize your stance with wheels from Fuel Off-Road, XD Series, and Moto Metal.


Towing & Hauling Essentials

  • Hitches – Shop everything from drop hitches to fifth-wheel setups.

  • Air Bags & Load Support – Improve towing stability with products from Air Lift, Firestone, and others.


From routine maintenance to full custom builds, RDP has the parts and upgrades you need for your 1994, 1995, 1996, 1997, or 1998 Dodge Ram 2500/3500 5.9L Cummins.

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