DIY Ram Promaster Conversion Kit Guide

Start Here: What kits cover and why Promaster fits well

The Promaster platform is popular because its boxy walls and generous width make a sideways bed possible for many sleepers. That shape plays nicely with promaster van conversion kits that deliver pre cut panels, modular cabinets, and prewired power systems. When you compare promaster conversion kits, expect options for insulation, flooring, bed frames, galleys, water storage, and mounted electrical. A diy ram promaster conversion kit can save time on measuring and templating while keeping a consistent finish across the interior.

You will also see packages labeled ram promaster camper conversion kit or ram promaster rv conversion kit. Those names often signal a broader bundle that adds heat, ventilation, and water plumbing to a core ram promaster conversion kit. Most providers tune kits for 136, 159, and 159 extended wheelbases. Before buying, confirm compatibility with your exact trim, roof height, and any factory options that affect wall clearance.

Promaster’s front wheel drive creates a low load floor, which affects cabinet height and bed placement. That low step in pairs well with van build kits that rely on floor rails or smart track solutions for repeatable mounting points. Whether you want a quick weekender or a longer trip build, start with a clean layout drawing that aligns sleeping, storage, and power demands.

Wheelbase choices and layout logic

• 136 wheelbase works for minimal galleys and a fixed bed for shorter sleepers.
• 159 strikes a balance, giving room for a shower closet or larger galley.
• 159 extended adds cargo depth for bikes, boards, or a wider gear garage.

Systems That Matter: Power, water, climate, and structure

Electrical is the heart of any promaster van build. Size your battery bank by daily watt hours, then fit solar, a DC to DC charger, and shore power if you plug in. Lithium chemistry is standard in many promaster rv conversion kit bundles due to fast charging and usable depth of discharge. Look for labeled wire runs, fused circuits, and documented diagrams so future service is simple. Ventilation with roof fans and passive inlets keeps moisture down and helps climate control.

For water, a typical 10 to 20 gallon fresh tank with a compact pump and quick drain lines serves most weekenders. Cold weather travelers can add insulated lines and heated tanks. A cassette or composting toilet avoids black tank plumbing. Choose a compact indoor shower or an outdoor quick connect to save space.

Structure and safety live in the hardware. Through bolts with backing plates in critical points resist crash loads better than coarse screws into thin sheet metal. Quality promaster van conversion kits include vehicle specific brackets for ribs and roof reinforcements. Use closed cell foam or mineral wool for insulation and add a vapor aware wall strategy to avoid trapping moisture.

Materials and mounting details

• Marine plywood with sealed edges resists humidity and holds fasteners.
• Powder coated aluminum frames offer strength without heavy weight.
• Use threadlocker and torque specs for repeatable, safe assembly.

Sleeping and Storage: Beds, rails, and gear space

Your sleep system drives everything else. A ram promaster bed kit typically includes side mounts or rail supported panels that allow garage storage underneath. Sideways sleep works for many up to about 72 inches across the wall with slim wall panels. Taller sleepers often go lengthwise or use flares to gain shoulder room. Drawers and l track in the garage make bikes and totes quick to secure.

A modular kitchen can ride opposite a slider door for airflow and ease of cooking outside. Overhead cabinets add volume but keep weights centered and fastened into structure. For fast reconfiguration, some kits use quick release mounts so seats or a bike workstation can swap in.

Quick checklist before you buy

• Verify fit for your wheelbase and roof.
• Add up loads and size battery and charging accordingly.
• Confirm anchoring method and crash safety considerations.
• Check service access to fuses, pumps, and filters.
• Ensure instructions and diagrams are included.

Sprinkled terms you will encounter across product pages include promaster van conversion kits, promaster conversion kits, and van build kits. You may also see a specific ram promaster bed kit packaged with a galley and power module. A full ram promaster camper conversion kit could extend that with water heating and space heat. If you plan highway miles in summer, prioritize ventilation, reflective window coverings, and a shade strategy. Winter travelers should watch thermal bridging and choose insulation and heaters tuned for the climate.

Planning phrases like ram promaster rv conversion kit and promaster rv conversion kit are common, but remember that not every kit meets RV certification or state specific requirements. Read the fine print on warranties, payload impacts, and any structural changes that affect airbag or sensor systems. Keep a running weight tally and aim to stay well within the axle ratings.

Closing thought on selection: compare not just the pretty finish, but the engineering behind mounting, wiring protection, and how easily you can maintain the systems. That is where a well designed ram promaster conversion kit pays off long term.

Bold move if you want a pro tuned result If you like the kit approach but want expert execution, consider a shop build. OZK Customs designs and installs complete Promaster interiors and partial upfits with tested power, cabinetry, and mounting methods. See our Recreational Vans for platforms, layouts, and handoffs that are ready for real travel. If you want a start to finish spec built around your use case, explore a custom build van. Looking for a finance friendly base vehicle before the interior work begins? Review our mainstream vans options.

You bring the ideas. We bring the tools, CAD, and road knowledge to make a Promaster feel dialed and dependable. Tell us how you camp, what you carry, and how long you stay off grid. We will map the layout, integrate the systems, and hand you keys to a rig that works from day one. Submit the form and let OZK build your path forward in Fayetteville, Arkansas.