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New 2026 Keystone RV Cougar 350LLK

Fifth Wheel

Stock #15589

Spokane, WA

1 of 2

Payments From: $2 /mo.

39ft long
11,945 lbs
Sleeps 4

4 slides
Rear Kitchen

Front Bedroom

See All Specs

Specifications

Sleeps	4	Slides	4
Length	39 ft 3 in	Exterior Color	WHITE FOG
Dry Weight	11945 lbs	Tire Size	ST235/80R16E
Furnace BTU	30000 btu	Available Beds	Queen
Refrigerator Type	12V	Refrigerator Size	16 cu ft
Cooktop Burners	3	Number of Awnings	2
LP Tank Capacity	30 lbs	Water Heater Type	Tankless On Demand
AC BTU	15000 btu	TV Info	LR LED HDTV
Awning Info	9' and 13' Electric with Gas Strut Arm with Dotless Neon Style LED Lighting	Axle Count	2
Washer/Dryer Available	Yes	Number of LP Tanks	2
Shower Type	Shower w/Seat	Electrical Service	50 amp
VIN	4YDFCGT25T2504525

Description

Keystone Cougar fifth wheel 350LLK highlights:

Rear Luxury Kitchen
Four Slide Outs
Queen Bed
Shower with a Seat

Luxury is the name of the game with this spacious fifth wheel! The chef of your group will love the rear luxury kitchen with wrap-around counter space, a large sink, dishwasher prep, and all the appliances needed to cook and store meals. After dinner, your crew can relax in the middle living room on the L-shaped sofa or play a game at the dinette with bench seating on one side and chairs on the other. There is also a 12V ceiling fan here, along with a fireplace and a TV for movie nights! The spacious full bath includes a shower with a seat plus a large vanity counter to easily get ready each day, and you're going to love the front private bedroom with a queen bed slide out. There is also a full height wardrobe here, along with a pull-out laundry center, underbed storage, plus stackable washer and dryer prep!

Spend more time having fun and less time worrying about your RV with the Keystone Cougar fifth wheel! These units have all that you will need for excellent vacations. The interior comes hardwood cabinet doors, solid surface kitchen countertops, an Oxygenics shower head and hose, plus a Vent-All window system. You will also appreciate the 12V charging stations throughout, the dual zone Bluetooth audio system, and the on-demand water heater for added comfort. The exterior is also fully outfitted with a convenience center, MaxTurn technology, Lippert axles with anti-lock braking system, and a Curt Road Armor shock absorbing equalizer for smooth towing. Each model is available with the optional Hero Edition. By choosing this edition, you can help support our nation's heros and their families by contributing to the Wounded Warrior Project. This optional package features an industry exclusive full-body paint matte finish, frameless windows, a glass entry door, blackout rims, and green LED exterior accent lighting; see dealer for more details!

Features

Standard Features (2026)

Professional Grade Camping Package

75 Gallon Fresh Water Tank
Washer/Dryer Prep (N/A 364BHL)
Hidden Dresser Storage
Extra-Wide Entry Step with Composite Step Treads
Entry Door Privacy Shade
Vent-All Window System
On-Demand Water Heater
5-Sided Aluminum Superstructure
AlphaPly roof membrane with Limited Lifetime Warranty
Fully Walkable Roof and Slideout Roof
Dual 30lb LP Tanks
LP Quick Disconnect for Grilling - (All Models)
Power Watchdog™ Safeview Smart RV Power Inlet: 50 Amp
Washable PVC Sewer Hose Storage
Dimmable Lights in Main Slide, Living Room & Bedroom
Heat & Massage Theater Seats
50” High-Definition Smart TV
Dual Zone Bluetooth Audio System
Winegard 360 Plus w/ WIFI Prep, Satellite Pass-through
12V Charging Stations Throughout
Power Vent w/ Rain Sensor in Kitchen
30” Residential Microwave Vents to Exterior
Furrion 21” Oven w/ 3 Burner Cooktop & Oven Drawer
Solid Surface Kitchen Countertops
Pull-out Trash Cans w/Paper Towel Holder (Select Models)
Exterior Awning Switch in Pass-Thru
Water Pump Easy Access w/ Hinged Door
Hardwood Cabinet Doors w/ Soft Close Hidden Hinges
Key-Alike Lock System
Lighted Termination Points
MORryde® Telescoping Safe-T-Rail Entry Handle
Booth Dinette w/LED Lights and Drawers
Slide Topper Prep
Oxygenics® Shower Head and Hose
LED Closet Rod Lighting (Select Models)

Towing w/Confidence Package with ABS

MaxTurn™ Technology
Lippert™ Axles w/ Anti-Lock Braking System
Bronze Bushings, Heavy Duty 1/2 Shackle Plates & Wet Bolts
Rainier H Rated 16 Ply Tires w/ 8 Year Warranty
16” 6 Lug Wheels
Tire Linc® TPMS Prep & H Rated Full Size Spare Tire
Curt Helux™ Series Coil Spring Pin Box
Curt Road Armor™ Shock Absorbing Equalizer
Reverse Warning Lights in Taillight
2” Accessory Hitch (Select Models)
2” Towing Hitch with 4-way plug (Select Models)
Rear Observation Camera Prep

Cougar Innovation Package

Water Management Center Providing Individual Shut-off Valves
HIGH GLOSS HyperCore® Composite Sidewalls
Color Coded & Unified Wiring System
Giggy Box-Industry’s 1st Organized 12 Volt Wiring Box, Patented
KeyTV™ Multisource Signal Controller, Patented
Spacesaver Fifth Wheel Chassis
Painted Front Cap w/ Automotive Clear Coat
Automotive Windshield - (Select Models)
Tank Guardian High Tensile Strength Strap System
Double Welded Aluminum Frame Construction
Tuf-Lok™ Thermoplastic Air Conditioning Duct Joiners
Decorative Snap-In Ceiling & Crown Molding Treatments
Power Converter with Auto-Detect Battery Recognition

Climate Guard Protection Package

18k Furrion High Efficiency Chill® Cube A/C
15k Ducted Bedroom A/C
3rd A/C Prep & 30k BTU Furnace
Astro-Foil Insulated Underbelly
12Volt-Heat Pads on Holding Tanks
Forced-Air Heated & Enclosed Underbelly
Heated Basement Storage & Convenience Center
Reflective Foil in Front Cap, Slide Floors
Dual Attic Vents
PEX Plumbing Lines
Insulated Gooseneck & Bulkhead Divider
Foil Backed, Foam Core A/C duct with Tuf-Lok™ Joiners

Options

Full Body Paint Packages Available: Midnight Edition-Black Onyx or Phantom Gray, Hero Edition, 1776 Edition

See us for a complete list of features and available options!

All standard features and specifications are subject to change.

All warranty info is typically reserved for new units and is subject to specific terms and conditions. See us for more details.

Due to the current environment, our features and options are subject to change due to material availability.

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Any price listed excludes sales tax and title/registration fees. Prices listed include dealer prep and delivery fees. Manufacturer and/or stock photographs, 360 tours, and descriptions/specifications may be used and may not be representative of the particular unit being viewed. Please confirm specific unit details with your dealer representative. All calculated payments are an estimate only and do not constitute a commitment that financing or a specific interest rate or term is available. ALL new unit payments above $20,000 based off of 180m, 7.99%, 20% down payment. ALL new unit payments under $20,000 based off of 120m, 7.99%, 20% down payment.

Manufacturer and/or stock photographs may be used and may not be representative of the particular unit being viewed. Where an image has a stock image indicator, please confirm specific unit details with your dealer representative.

New 2026 Keystone RV Cougar 350LLK

350LLK Floorplan

Specifications

Description

Features