Offering a full range of steel parts and equipment, M-3 & Associates Inc. has everything you need to repair, replace or upgrade your RV experience with durable, quality parts.

We carry a variety of steel cabinet slide-outs, sliders and brackets to add hideaway storage options to your recreational vehicle or garage space. These durable cabinets have a high durability and can withstand years of use and heavy weight and strain, making them ideal for additional storage capacity.

We also stock ramp door springs. These springs are designed to last and withstand the weight of repeatedly opening and closing your access door. Our springs are available in a variety of lengths and designs to fit any specific dimension or fitting need.

Bunk ladders and brackets are also in our inventory. These steel elements are designed to be load bearing and include anti-skid tape on each rung to help prevent falls. We also carry steel floor storage cabinets, a great way to provide additional space for gear in cargo trailers and RVs.

For information concerning our floor storage units please go to WWW.PARTS-UNLIMITED.COM to find your nearest dealer.

For more information on any of our steel parts and equipment, or for assistance with custom needs, contact M-3 & Associates at 574-294-3988 or send us an email at


Floor Storage

Cabinet Slide Out

Ramp Door Springs

Bunk Ladders

Battery Trays

SecurityPlus Trailer Door Locking System