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✓ In Stock — Ready for Delivery 🆕 New Arrival

New 2026 Keystone RV Cougar 350LLK

Picayune, MS Stock #504444 🆕 New VIN: 4YDFCGT25T2504444 Fifth Wheel Keystone RV

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Quick Specifications

6
Sleeps
12,500
Dry Weight (lbs)
38
Length (ft)
66
Fresh Water (gal)
Discover the perfect blend of luxury and spacious living in the all-new 2026 Keystone Cougar 350LLK Fifth Wheel. This impressive four-slide floorplan transforms your camping experience with an expansive interior that rivals many residential homes. Sleeping up to six guests comfortably, this 38.5-foot beauty is ideal for families and extended getaways alike. The lightweight aluminum frame construction paired with premium fiberglass exterior delivers exceptional durability while keeping tow weights manageable. Stay comfortable in any climate with dual air conditioning units, while the 200-watt solar panel system keeps you powered up even off-grid. The Cougar name has long been synonymous with quality craftsmanship and innovative design, and the 350LLK continues that proud tradition. From the durable TPO roofing system that stands up to the elements to the generous 66-gallon fresh water capacity for extended boondocking adventures, every detail has been thoughtfully engineered. Whether you're a full-time RVer or weekend warrior, the Cougar 350LLK offers the premium amenities and reliable construction you deserve.

Key Highlights

Sleeps
6 People
Slide Outs
4
A/C
2 Units (15000 BTU)
Furnace
35,000 BTU
Solar
200W
Awnings
1 (18' each)

Standard Features

Four slideouts maximize living space Sleeps six comfortably Dual 15,000 BTU air conditioning units 200-watt solar panel pre-installed 66-gallon fresh water capacity Aluminum frame construction 16,000 lb GVWR rated Keystone limited warranty coverage

Exterior Features

Premium fiberglass exterior with sleek graphics package TPO roofing membrane with 12-year warranty LED exterior lighting throughout Power front landing gear Slam-latch baggage doors with magnetic catches Frameless tinted windows Extended grab handle for safe entry Spare tire carrier Black tank flush system

Interior Features

Residential-height ceilings throughout Premium vinyl plank flooring LED interior lighting package Ducted heating and cooling system Tinted day/night roller shades Decorative ceiling treatment Residential-style furniture with hidden storage USB charging stations throughout Smoke and carbon monoxide detectors

Kitchen

Residential stainless steel appliances Three-burner gas cooktop with oven Large double-door refrigerator Deep stainless steel undermount sink High-rise kitchen faucet with pull-down sprayer Solid surface countertops Abundant overhead cabinet storage Pantry storage system Microwave oven with vent hood

Dimensions

Overall Length
38' 6"
Exterior Width
8'
Exterior Height
13' 5"
Interior Height
7'

Weights

Dry Weight
12,500 lbs
GVWR
16,000 lbs
Hitch Weight
2,800 lbs
Cargo Capacity
3,500 lbs

Tank Capacities

Fresh Water
66 gal
Gray Water
88 gal
Black Water
44 gal
Propane
60 lbs

Living Capacity

Sleeps
6 People
Slide Outs
4
Awnings
1 (18' each)

Climate Systems

A/C Units
2 (15000 BTU)
Furnace
35,000 BTU
Water Heater
12 gal

Electrical & Solar

Solar
200W

Construction

Frame
Aluminum
Exterior
Fiberglass
Roof
TPO

Appliances

Refrigerator
Residential (18.00 cu ft)
Cooktop
3 Burner
Shower
Residential

Axles & Tires

Axles
2
Tire Size
ST235/80R16
$73,930
MSRP: $103,060
You Save $29,130
Call: (601) 215-5630
Stock #
504444
Condition
New
Year
2026
Manufacturer
Keystone RV
Brand
Cougar
Model
350LLK
Category
Recreational Vehicles
Type
Fifth Wheel
VIN
4YDFCGT25T2504444
Location
Picayune, MS

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