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Condition: Used
Exterior Length: 37 ft 8 in
Sleeps: 9
Number of Slide Outs: 4
Exterior Height: 12 ft 6 in
Fresh Water Tank Capacity: 60 gal
Description: Used 2016 Keystone RV Cougar 336BHS
Details: Call for details.
WeightDry: 10632
Updated: Friday, October 09, 2026 03:46 AM
Seller: Petes RV Massachusetts
Condition: Used
Exterior Length: 38 ft 1 in
Sleeps: 5
Number of Slide Outs: 3
Number of Axles: Tandem
Exterior Height: 12 ft 7 in
Description: Used 2018 Keystone RV Cougar 344MKS
Details: NO HIDDEN FEES!!! WE DO NOT CHARGE PDI OR FREIGHT FEES!!! LET US HELP SAVE YOU MONEY!!! Keystone Co...
Updated: Thursday, October 15, 2026 09:31 AM
Seller: T&S RV & Sport - Livingston
Condition: Used
Exterior Length: 38 ft 1 in
Sleeps: 5
Number of Slide Outs: 3
Number of Axles: Tandem
Exterior Height: 12 ft 7 in
Description: Used 2018 Keystone RV Cougar 344MKS
Details: Keystone Cougar fifth wheel 344MKS
highlights: Booth Dinette Kitchen Island Fireplace Theater Seati...
Updated: Thursday, October 15, 2026 03:46 AM
Seller: Petes RV Indiana
Condition: New
Exterior Length: 39 ft 11 in
Sleeps: 4
Number of Slide Outs: 4
Gross Vehicle Weight: 15,000 lb
Stock Number: V2500348
Description: KEYSTONE COUGAR 350LLK FIFTH WHEEL TRAVEL TRAILER Specifications: Shipping Weight 12,040 lb. Carrying Capacity 2,960 lb. Hitch 2,240 lb. Length 3...
Updated: Saturday, October 17, 2026 12:08 AM
Seller: Family RV Center - Sweetwater
Condition: New
Exterior Length: 39 ft 3 in
Sleeps: 4
Number of Slide Outs: 4
Number of Axles: Tandem
Exterior Height: 13 ft 4 in
Description: New 2027 Keystone RV Cougar 350LLK
Details: Keystone Cougar fifth wheel 350LLK highlights: Rear Luxury Kitchen Four Slide Outs Queen Bed Shower w...
Updated: Tuesday, October 13, 2026 04:05 AM
Seller: McKee RV
Condition: New
Exterior Length: 39 ft 3 in
Sleeps: 4
Number of Slide Outs: 4
Number of Axles: Tandem
Exterior Height: 13 ft 4 in
Description: New 2027 Keystone RV Cougar 350LLK
Details: Keystone Cougar fifth wheel 350LLK highlights: Rear Luxury Kitchen Four Slide Outs Queen Bed Shower w...
Updated: Monday, September 14, 2026 07:31 PM
Seller: Bankston Motor Homes Of Gadsden
Condition: New
Exterior Length: 39 ft 3 in
Sleeps: 4
Number of Slide Outs: 4
Number of Axles: Tandem
Exterior Height: 13 ft 4 in
Description: New 2027 Keystone RV Cougar 350LLK
Details: Keystone Cougar fifth wheel 350LLK highlights: Rear Luxury Kitchen Four Slide Outs Queen Bed Shower w...
Updated: Friday, September 11, 2026 07:30 PM
Seller: Bankston Motor Homes of Hunstville
Condition: New
Exterior Length: 39 ft 3 in
Sleeps: 4
Number of Slide Outs: 4
Number of Axles: Tandem
Exterior Height: 13 ft 4 in
Description: New 2027 Keystone RV Cougar 350LLK
Details: Keystone Cougar fifth wheel 350LLK highlights: Rear Luxury Kitchen Four Slide Outs Queen Bed Shower w...
Updated: Wednesday, October 14, 2026 09:25 AM
Seller: RV Station-Waco
Condition: New
Stock Number: 19011
VIN: 4YDFCGT2XV2500196
Description:
Updated: Wednesday, October 14, 2026 09:25 AM
Seller: RV Station-Waco
Condition: New
Exterior Length: 39 ft
Sleeps: 4
Number of Slide Outs: 4
Fresh Water Tank Capacity: 75 gal
Stock Number: 363304
Description: NEW 2027 KEYSTONE COUGAR 350LLK – 363304
2027 Keystone Cougar 350LLK Hiighlights:
Rear Living Area
Opposing Slides
Theater Seating
Tri‑F...
Updated: Tuesday, October 06, 2026 03:31 AM
Seller: General RV Center - Birch Run
Condition: New
Exterior Length: 39 ft 3 in
Sleeps: 4
Number of Slide Outs: 4
Number of Axles: Tandem
Stock Number: 93222
Description: New 2026 Keystone RV Cougar 350LLK
Details: Keystone Cougar fifth wheel 350LLK highlights: Rear Luxury Kitchen Four Slide Outs Queen Bed Shower w...
Updated: Wednesday, September 30, 2026 03:45 AM
Seller: Petes RV Vermont
Condition: New
Exterior Length: 39 ft 4 in
Sleeps: 4
Number of Slide Outs: 4
Fresh Water Tank Capacity: 75 gal
Stock Number: CG4595
Description: Introducing the 2026 Keystone Cougar 350LLK, a new fifth-wheel that combines luxury with practicality. At 39.3 ft in length and a dry weight of 11,...
Updated: Thursday, October 08, 2026 02:00 PM
Seller: A & L RV Sales - Richmond
Condition: New
Exterior Length: 39 ft 3 in
Sleeps: 4
Number of Slide Outs: 4
Number of Axles: Tandem
Stock Number: 223057
Description: New 2026 Keystone RV Cougar 350LLK
Details: Keystone Cougar fifth wheel 350LLK highlights: Rear Luxury Kitchen Four Slide Outs Queen Bed Shower w...
Updated: Wednesday, October 14, 2026 08:57 AM
Seller: Fun Town RV - Amarillo
Condition: New
Exterior Length: 39 ft 3 in
Sleeps: 4
Number of Slide Outs: 4
Number of Axles: Tandem
Stock Number: 93221
Description: New 2026 Keystone RV Cougar 350LLK
Details: Keystone Cougar fifth wheel 350LLK highlights: Rear Luxury Kitchen Four Slide Outs Queen Bed Shower w...
Updated: Sunday, September 27, 2026 03:45 AM
Seller: Camper Liquidators-IN
Condition: Used
Exterior Length: 39 ft 4 in
Sleeps: 6
Number of Slide Outs: 4
Number of Axles: Tandem
Exterior Height: 12 ft 11 in
Description: Used 2022 Keystone RV Cougar 354FLS
Details: Keystone Cougar fifth wheel 354FLS highlights: Separate Living Area Rear Bedroom Tri-Fold Sleeper So...
Updated: Tuesday, October 13, 2026 07:58 AM
Seller: Dick's RV
Condition: New
Exterior Length: 39 ft 3 in
Sleeps: 5
Number of Slide Outs: 3
Number of Axles: Tandem
Exterior Height: 13 ft 4 in
Description: New 2027 Keystone RV Cougar 355FBS
Details: Keystone Cougar fifth wheel 355FBS highlights: Full and Half Bath Master Suite Kitchen Island Firepla...
Updated: Wednesday, October 14, 2026 09:25 AM
Seller: RV Station-Colbert
Condition: New
Exterior Length: 39 ft 11 in
Sleeps: 6
Number of Slide Outs: 3
Gross Vehicle Weight: 13,900 lb
Stock Number: V2501182
Description: KEYSTONE COUGAR 355FBS FIFTH WHEEL TRAVEL TRAILER Specifications Specification Name Specification Value RV Type Fifth Wheel MSRP $87,473 Shipping ...
Updated: Saturday, October 17, 2026 12:08 AM
Seller: Family RV Center - Sweetwater
Condition: New
Exterior Length: 39 ft 3 in
Sleeps: 5
Number of Slide Outs: 3
Number of Axles: Tandem
Exterior Height: 13 ft 4 in
Description: New 2026 Keystone RV Cougar 355FBS
Details: Keystone Cougar fifth wheel 355FBS highlights: Full and Half Bath Master Suite Kitchen Island Firepla...
Updated: Wednesday, October 14, 2026 09:16 AM
Seller: Bob Hurley RV - OKC
Condition: New
Exterior Length: 39 ft 3 in
Sleeps: 5
Number of Slide Outs: 3
Number of Axles: Tandem
Exterior Height: 13 ft 4 in
Description: New 2026 Keystone RV Cougar 355FBS
Details: Keystone Cougar fifth wheel 355FBS highlights: Full and Half Bath Master Suite Kitchen Island Firepla...
Updated: Wednesday, October 14, 2026 09:16 AM
Seller: Bob Hurley RV - OKC
Condition: New
Exterior Length: 35 ft
Sleeps: 4
Number of Slide Outs: 3
Gross Vehicle Weight: 13,900 lb
Number of Axles: Tandem
Description: ****STK#: KE18950.****
~~~ ON SPECIAL NOW! ~~~
Keystone C...
Updated: Tuesday, September 08, 2026 03:00 PM
Seller: RV World Yuma
Condition: New
Exterior Length: 39 ft 3 in
Sleeps: 5
Number of Slide Outs: 3
Number of Axles: Tandem
Exterior Height: 13 ft 4 in
Description: New 2026 Keystone RV Cougar 355FBS
Details: Keystone Cougar fifth wheel 355FBS highlights: Full and Half Bath Master Suite Kitchen Island Firepla...
Updated: Wednesday, October 14, 2026 08:57 AM
Seller: Fun Town RV - Amarillo
Condition: New
Exterior Length: 39 ft 3 in
Sleeps: 5
Number of Slide Outs: 3
Number of Axles: Tandem
Exterior Height: 13 ft 4 in
Description: New 2026 Keystone RV Cougar 355FBS
Details: Keystone Cougar fifth wheel 355FBS highlights: Full and Half Bath Master Suite Kitchen Island Firepla...
Updated: Wednesday, October 14, 2026 08:57 AM
Seller: Fun Town RV - Orange
Condition: New
Exterior Length: 39 ft 3 in
Sleeps: 5
Number of Slide Outs: 3
Number of Axles: Tandem
Exterior Height: 13 ft 4 in
Description: New 2026 Keystone RV Cougar 355FBS
Details: Keystone Cougar fifth wheel 355FBS highlights: Full and Half Bath Master Suite Kitchen Island Firepla...
Updated: Wednesday, October 14, 2026 08:57 AM
Seller: Fun Town RV - Amarillo
Condition: New
Exterior Length: 3 ft 3 in
Sleeps: 6
Number of Slide Outs: 3
Fresh Water Tank Capacity: 75 gal
Stock Number: 339674
Description: NEW 2026 KEYSTONE RV COUGAR 355FBS – 339674
The 2026 Keystone Cougar 355FBS is designed for those who crave both luxury and functionalit...
Updated: Monday, August 17, 2026 10:16 AM
Seller: General RV Center
Condition: Used
Exterior Length: 39 ft 3 in
Sleeps: 5
Number of Slide Outs: 3
Number of Axles: Tandem
Exterior Height: 13 ft 4 in
Description: Used 2023 Keystone RV Cougar 355FBS
Details: Keystone Cougar fifth wheel 355FBS highlights: Full and Half Bath Master Suite Kitchen Island Firepl...
Updated: Sunday, October 04, 2026 06:50 AM
Seller: Blue Compass RV - Indy
Condition: Used
Exterior Length: 39 ft 4 in
Sleeps: 5
Number of Slide Outs: 3
Number of Axles: Tandem
Fresh Water Tank Capacity: 75 gal
Description: Experience the great outdoors with the 2023 Keystone Cougar 355FBS, a spacious fifth wheel designed to accommodate up to 5 people comfortably. With...
Updated: Monday, October 05, 2026 12:23 PM
Seller: A & L RV Sales - Lake Park
Condition: Used
Stock Number: 65774A
VIN: 4YDF35728M2511761
Description:
Updated: Wednesday, October 14, 2026 09:14 AM
Seller: Great American RV of Huntsville
Condition: New
Exterior Length: 39 ft
Sleeps: 10
Number of Slide Outs: 4
Fresh Water Tank Capacity: 75 gal
Stock Number: 357919
Description: NEW 2027 KEYSTONE COUGAR 360MBI – 357919
Keystone Cougar 360MBI highlights:
Mid-Bunk Room with Loft
Rear Living Room
Kitchen Island
Fou...
Updated: Tuesday, October 13, 2026 03:31 AM
Seller: General RV Center
