2026 Forest River Sandpiper 3990FL Fifth Wheel: image 1
Not Actual Images

NEW 2026 Sandpiper 3990FL

On Order at RVW
in Lakeview, Ohio

List Price

$76,111

Payment Calculator

$586 /mo*
Pre-QualifyGet Pre-Qualified

Tell your Salesman, Stock Number PO133488

Virtual Tour Virtual Tour   Brochure Custom Build
Sandpiper 3990FL
Sandpiper 3990FL
Sandpiper

Wherever you go, the Sandpiper line up will ensure you make the most out of every adventure. Unique floorplan designs like bunkhouses, front living spaces, or mid-bunk/offices will accommodate any traveler or group. Automatic level up, 16.8 French door refrigerator, and underbelly armor combine to create a perfect balance of size, space, features and luxury.

Options
  • Interior Decor: Driftwood
  • Summit Package: Electric Leveling System | Goodyear Endurance Tires with 7,000lb axles | 2" Rear Receiver Hitch and 4-Pin Connector (N/A 3990FL and 4002FB) | Two 15,000BTU Air Conditioners with 3rd Air Conditioner Prep | Anti-lock Braking System | Tire Pressure Monitoring System | 60,000BTU On Demand Water Heater | 40,000BTU Furnace | BoonDocker Solar System-200W Panel with controller & battery | Solid Steps with Strut Assist (Where Available) | Heated and Enclosed Holding Tanks (12V pads) | Washer and Dryer Prep (Standard on 3800RK and 3900HBLR) | Underbelly Armor | Soft Close Residential Drawers & Cabinets Throughout | 50" Smart Television / 65" Smart Television 3900HBLR only | 4 Camera Security Prep with Back-Up Cam | Power Fan in Bathrooms and Kitchen | Enclosed, One-Piece Docking Station | Color Matched Fiberglass Exterior | Aerodynamic Two Tone Fiberglass Painted Front Cap with Lights | High Efficiency Radiant Foil (Roof and Floor) | Spare Tire | LatchXtend Door Handle | Ceiling Paddle Fan (where available)
  • Chef's Kitchen Package: 16 Cubic FT Stainless Refrigerator (12V) | Stainless Range, Seal Burners with Cast Iron Grates | Solid Wood Cabinet Door and Drawer Fronts (50 lb drawer guides) | Solid Surface Countertops | Commercial Style Kitchen Faucet | 30" Over-the-Range Stainless Microwave | Countertop Extension | Designer Backsplash
  • RVIA Seal
  • 12V Deep Cycle Battery
Specifications
Dry Weight 12,439 lbs
GVWR 15,375 lbs
Cargo Capacity 2,936 lbs
Hitch Weight 2,825 lbs
Axle Weight N/A
Exterior Height 13' 4"
Exterior Length 43' 6"
Exterior Width 8' 0"
Interior Height N/A
Fresh Water 50 gal
Black Water 50 gal
Gray Water 80 gal
Awning Size 20 ft
Garage Length N/A

Specifications are based on the latest product information from the manufacturer. Each manufacturer reserves the right to make changes to the specifications at any time without notice.

*Monthly payment of $586/mo based on 10% down, 9.24% APR & 240 Months.
Delivery

Don't want to make a trip to our Dealership to pick up your new camper? No Problem!

RVWholesalers.com offers delivery at an affordable rate anywhere in the USA! RVWholesalers.com will deliver to the destination of your choice, perhaps your local campground, workplace, or your front door. We also offer partial delivery as an alternative. We will meet you half-way, and you can cut back on driving time and delivery charges!

*This is only valid for the lower 48 States. Alaska, Hawaii, Canada, and International customers must call for a delivery quote since more details will need gathered to determine the cost.
*One-Way toll road charges will be the responsibility of the customer.
*Additional fees and/or duties may apply to International shipping requests.
*Quotes are estimates only, actual rate may vary slightly.
‡ Your unlocked price may include discounts that require financing with RV Wholesalers.

Billing Information

Review

2026 Sandpiper 3990FL VIN: Deposit due now: $1,000.00 USD
Unit price: $76,111.00 +
Finance discount: $5,000.00 -
Documentation fee:  $387.00 +
Sales tax: +
Title fee: $45.00 +
Factory freight: $550.00 +
Total cost (USD): $0 =
This deposit secures the RV for you and initiates the purchase process. Once the deposit is made, it cannot be refunded if you decide to cancel the purchase. We encourage you to be certain about your decision before proceeding.
RV Wholesalers does offer delivery, but the delivery costs vary greatly. If you want your RV delivered, one of our RV Consultants will help you make the arrangements and give you a price.
One of our RV Consultants will contact you within one business day to finalize the paperwork for this purchase. They may contact you by phone, by email, or both.
I give my consent, allowing RV Wholesalers to charge my account $1,000.00 USD today, as a non-refundable deposit on the purchase of this RV.

Pay Deposit

Pay the deposit: $1,000.00 USD

Welcome to the RVW Family!

Congratulations, the RV you have chosen has been reserved for you. You should expect to receive a call from one of our RV consultants within one business day. They will help you finish filling out the forms, guide you through the financing process, and help you schedule a time to pick up your new RV at our dealership or arrange to have it delivered to you.

If you haven't done so already, this might be a good opportunity to fill out the financing application. Doing this now will save time later when the RV consultant contacts you.
Start Application

As a customer of RV Wholesalers you are automatically enrolled in the RVW Nationwide Service Network. Adding our optional Customer Protection Plan will further protect your investment by reducing maintenance and repair costs. Be sure to ask your RV consultant about this add-on.