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Forest River Sandpiper 4003MB Fifth Wheel – Luxury, Versatility, and Built-In Adventure

Top Highlights:

  • Versatile Middle Bunkhouse with Loft and Workspace
  • King Bed Slide Out & Oversized Front Wardrobe
  • Hidden Kitchen Pantry with Island Prep Space
  • Outdoor Flat Top Grill, Mini Fridge & 20' Awning
  • Exterior Docking Station & Pass-Through Storage

Enjoy spacious, residential-style comfort in the Forest River Sandpiper 4003MB — the ultimate fifth wheel for travelers who won’t compromise on features or flexibility. The private front bedroom offers a king-size slide-out bed, generous wardrobe with shelving, and washer/dryer prep for extended-stay convenience.

Your guests will appreciate the multi-purpose bunkhouse with a hide-a-bed sofa, overhead bunk, dedicated desk, and loft for added sleeping or storage. The central living area boasts a free-standing dinette, rear hide-a-bed sofa, and theater seating perfectly placed across from the entertainment center.

In the kitchen, enjoy stainless steel appliances, solid surface countertops, and a hidden pantry paired with a large island for effortless meal prep. Head outside to cook under the stars with the flat top grill and mini fridge, and take advantage of the pass-through storage for outdoor gear.

 

Engineered for All-Season Comfort & Durability

Built to go the distance:

  • Welded aluminum frame with laminated superstructure
  • Powder-coated, cambered frame with rust protection
  • Fully enclosed underbelly shields against the elements

 

Elevated Interior Experience

Step into style and convenience:

  • 60k BTU on-demand water heater & full coach filtration system
  • Tire pressure monitoring and electric leveling for peace of mind
  • Beachside Sundance linoleum, recessed lighting, and premium finishes

New 2026 Forest River RV Sandpiper 4003MB

Type: Fifth Wheel
Condition: NEW
Year: 2026
Manufacturer: Forest River RV
Brand: Sandpiper
Model: 4003MB
Weight (Dry/Gross): 12609 lbs / --
Sleeps: 8
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