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Mileage: 35,324 mi
Stock Number: D769
Exterior Length: 43 ft
Sleeps: 8
Number of Slide Outs: 3
Condition: Used
Description: Stock Number: D76943' 2013 Newmar Mountain Aire 4344 450hp Cummins w/3 Slides.Experience the gold standard of luxury travel with this 2013 Mountain...
Updated: Wednesday, September 02, 2026 09:56 AM
Location: Houston, Texas
Seller: PPL Motor Homes - Houston
Mileage: 37,700 mi
Exterior Length: 44 ft
Sleeps: 6
Number of Slide Outs: 3
Condition: Used
VIN: C421
Description: 2014 Newmar MountainAire 4369. 450 Cummins, 37,700 miles. Onan Generator w/ Kubota Diesel. Full Size Fridge, Dishwasher, and Microwave. All upholst...
Updated: Friday, August 07, 2026 11:25 AM
Location: Sealy, Texas
Seller: David Hames
Mileage: 89,000 mi
Stock Number: UV8424
Exterior Length: 43 ft 9 in
Sleeps: 4
Number of Slide Outs: 3
Condition: Used
Description: Used 2014 Newmar Mountain Aire 4369
Details: The Mountain Aire 4369 motor home by Newmar offers triple slides and a bath and a half. As you enter ...
Updated: Tuesday, August 25, 2026 07:34 AM
Location: Irwin, Pennsylvania
Seller: Best Choice Trailers and RV
Mileage: 91,250 mi
Stock Number: 25-334C
Exterior Length: 44 ft
Number of Slide Outs: 4
Condition: Used
Exterior Color: VIENNA FULL BODY PAINT
Description: 2008 NEW MOUNTAIN AIRE 4521. 2 OWNER COACH SOLD BY STEINBRING! STORED INSIDE
2008 NEWMAR MOUNTAIN AIRE 4521
SPARTAN CHASSIS
450HP ISM CUMMINS ENGI...
Updated: Wednesday, August 05, 2026 02:01 AM
Location: Garfield, Minnesota
Seller: Steinbring Motorcoach
Stock Number: VP225136
Exterior Length: 44 ft
Number of Slide Outs: 3
Condition: Used
VIN: 4VZVU1E94NC089650
Description: 2022 Newmar MOUNTAIN AIRE 4543 - Please email or call for the full list of the features, availability or anything else we can send to help you. ...
Updated: Wednesday, August 19, 2026 11:02 PM
Location: Phoenix, Arizona
Seller: La Mesa RV - Phoenix
Stock Number: 347753
Exterior Length: 3 ft 8 in
Sleeps: 8
Number of Slide Outs: 3
Condition: New
VIN: 4VZVU1E19TC096262
Description: NEW 2026 NEWMAR MOUNTAIN AIRE 4551 – 347753
**Newmar Mountain Aire Class A diesel motorhome 4551 highlights:**
- Bath and a Half
- Two ...
Updated: Tuesday, August 18, 2026 03:36 AM
Location: Ashland, Virginia
Seller: General RV Center - Virginia
Stock Number: 349044
Exterior Length: 3 ft 8 in
Sleeps: 8
Number of Slide Outs: 3
Condition: New
VIN: 4VZVU1E14TC096315
Description: NEW 2026 NEWMAR MOUNTAIN AIRE 4551 – 349044
**Newmar Mountain Aire Class A diesel motorhome 4551 highlights:**
- Bath and a Half
- Two ...
Updated: Tuesday, August 18, 2026 03:36 AM
Location: Winter Garden, Florida
Seller: Independence RV by General RV Center - Winter Garden
Mileage: 10,245 mi
Stock Number: UCZ9922
Exterior Length: 44 ft 10 in
Horsepower: 500 HP
Condition: Used
Engine Manufacturer: CUMMINS
Description:
Updated: Tuesday, August 25, 2026 03:29 PM
Location: Mesa, Arizona
Seller: RV Country - Mesa, AZ
Mileage: 64,511 mi
Stock Number: CGP9817
Exterior Length: 45 ft
Number of Slide Outs: 3
Condition: Used
VIN: 4UZFCTBG7FCGP9817
Description: Sales_pitch: The RV for sale is a Used 2015 Mountain Aire Class A Diesel by Newmar RV that and much more. This Mountain Aire Standard ...
Updated: Saturday, September 05, 2026 08:00 AM
Location: Ponchatoula, Louisiana
Seller: Berryland Campers - Ponchatoula
Mileage: 60,913 mi
Stock Number: 24-316C
Exterior Length: 44 ft
Number of Slide Outs: 3
Condition: Used
Exterior Color: DREAM GRAPHICS FULL BODY PAINT
Description: 2015 NEWMAR MOUNTAIN AIRE 4553
2015 NEWMAR MOUNTAIN AIRE 4553
FREIGHTLINER CHASSIS
500HP ISX CUMMINS ENGINE
BATH AND A HALF
3 POWER SLIDEOUTS, INC...
Updated: Saturday, July 18, 2026 02:00 AM
Location: Garfield, Minnesota
Seller: Steinbring Motorcoach
Mileage: 34,818 mi
Stock Number: 26-314C
Exterior Length: 33 ft
Number of Slide Outs: 3
Condition: Used
Exterior Color: GLACIER FULL BODY PAINT
Description: 2019 NEWMAR NEW AIRE 3343!
2019 NEWMAR NEW AIRE 3343
FREIGHTLINER CHASSIS
THREE POWER SLIDEOUTS, INCLUDING ONE FULL WALL
GLACIER EXTERIOR FULL BOD...
Updated: Wednesday, July 22, 2026 03:55 AM
Location: Garfield, Minnesota
Seller: Steinbring Motorcoach
Stock Number: N6992
Exterior Length: 35 ft 10 in
Sleeps: 5
Number of Slide Outs: 3
Horsepower: 450 HP
Condition: New
Description: New 2027 Newmar New Aire 3543
Details: Newmar New Aire Class A diesel motorhome 3543 highlights: Full-Wall Slide Mid-Coach Bath Euro Booth Dinett...
Updated: Tuesday, August 18, 2026 08:02 AM
Location: Myrtle Beach, South Carolina
Seller: Carolina RV
Stock Number: 355383
Sleeps: 4
Number of Slide Outs: 3
Condition: New
Exterior Width: 8 in
Fresh Water Tank Capacity: 105 gal
Description: NEW 2027 NEWMAR NEW AIRE 3543 – 355383
2027 Newmar New Aire 3543 Highlights:
• Rear bedroom with king bed and full wardrobe
• Center kit...
Updated: Monday, August 17, 2026 10:16 AM
Location: Draper, Utah
Seller: General RV Center - Draper
Stock Number: 355386
Sleeps: 4
Number of Slide Outs: 3
Condition: New
Exterior Width: 8 in
Fresh Water Tank Capacity: 105 gal
Description: NEW 2027 NEWMAR NEW AIRE 3543 – 355386
2027 Newmar New Aire 3543 Highlights:
• Rear bedroom with king bed and full wardrobe
• Center kit...
Updated: Monday, August 17, 2026 10:16 AM
Location: Ocala, Florida
Seller: General RV Center - Ocala
Stock Number: 27-004
Exterior Length: 35 ft
Number of Slide Outs: 3
Condition: New
Exterior Color: STONEVEIL EXTERIOR FULL BODY PAINT
Exterior Width: 8 in
Description: " ON ORDER 2027 NEWMAR NEW AIRE 3543!"
2027 NEWMAR NEW AIRE 3543
FREIGHTLINER CHASSIS
STONEVEIL EXTERIOR FULL BODY PAINT
EVERETT INTERIOR DECOR
SE...
Updated: Wednesday, July 29, 2026 02:01 AM
Location: Garfield, Minnesota
Seller: Steinbring Motorcoach
Mileage: 1,883 mi
Stock Number: 355384
Sleeps: 4
Number of Slide Outs: 3
Condition: New
VIN: 4UZACEFE4VCXJ7062
Description: NEW 2027 NEWMAR NEW AIRE 3543 – 355384
2027 Newmar New Aire 3543 Highlights:
• Rear bedroom with king bed and full wardrobe
• Center kit...
Updated: Thursday, September 03, 2026 03:32 AM
Location: Mesa, Arizona
Seller: General RV Colorado
Stock Number: 27-NA3543
Exterior Length: 35 ft
Condition: New
Exterior Color: STONEVEIL EXTERIOR FULL BODY PAINT
Air Conditioning: Yes
Interior Color: EVERETT INTERIOR DECOR
Description: Now ordering 2027 Newmar motorhomes! Contact us now for more details. Visit our website at /2027-newmar-lineup
"ON ORDER 2027 NEWMAR NEW AIRE 354...
Updated: Saturday, July 18, 2026 02:00 AM
Location: Garfield, Minnesota
Seller: Steinbring Motorcoach
Stock Number: 349046
Sleeps: 6
Number of Slide Outs: 3
Condition: New
VIN: 4VZAT1D18TC096319
Exterior Width: 8 in
Description: NEW 2026 NEWMAR NEW AIRE 3543 – 349046
Experience the luxury of travel with the 2026 Newmar New Aire 3543. This exquisite motorhome is d...
Updated: Tuesday, August 18, 2026 03:36 AM
Location: Winter Garden, Florida
Seller: Independence RV by General RV Center - Winter Garden
Mileage: 10,461 mi
Stock Number: 359684
Sleeps: 6
Number of Slide Outs: 3
Condition: Used
VIN: 4VZAT1D1XSC095817
Description: USED 2025 NEWMAR NEW AIRE 3543 – 359684
## Newmar New Aire 3543 highlights
* King Bed Suite
* 87" Visionary Sofa
* Three Slide-Outs...
Updated: Monday, August 17, 2026 10:16 AM
Location: Draper, Utah
Seller: General RV Center - Draper
Mileage: 35,987 mi
Stock Number: 364144
Exterior Length: 35 ft 10 in
Sleeps: 2
Number of Slide Outs: 3
Horsepower: 450 HP
Description: USED 2022 NEWMAR NEW AIRE 3543 – 364144
Newmar New Aire 3543 Highlights:
Rear King Bed Suite
Mid-Coach Bath
Washer/Dryer Prep
Enjoy lu...
Updated: Monday, August 17, 2026 10:16 AM
Location: Draper, Utah
Seller: General RV Center - Draper
Mileage: 13,171 mi
Stock Number: 359406
Exterior Length: 35 ft 10 in
Sleeps: 4
Number of Slide Outs: 3
Horsepower: 450 HP
Description: USED 2022 NEWMAR NEW AIRE 3543 – 359406
**2022 Newmar New Aire Luxury Class A Diesel Motorhome 3543 highlights:**
- Bath and a Half
- Th...
Updated: Monday, August 17, 2026 10:16 AM
Location: West Chester, Pennsylvania
Seller: General RV Center - West Chester
Mileage: 22,670 mi
Stock Number: 27-020A
Exterior Length: 35 ft
Number of Slide Outs: 3
Condition: Used
Exterior Color: SPECIAL ORDER EXTERIOR COLORS
Description: 2022 NEWMAR NEW AIRE 3543. ONE OWNER, VERY CLEAN AND WELL CARED FOR!
2022 NEWMAR NEW AIRE 3543
FREIGHTLINER CHASSIS
450HP ISL CUMMINGS ENGINE
THRE...
Updated: Thursday, August 20, 2026 02:02 AM
Location: Garfield, Minnesota
Seller: Steinbring Motorcoach
Mileage: 36,302 mi
Stock Number: 26-016A
Exterior Length: 35 ft
Number of Slide Outs: 3
Condition: Used
Exterior Color: SPECIAL ORDER EXTERIOR COLORS
Description: "ONE OWNER PURCHASED NEW FROM STEINBRING MOTOR COACH!"
"2022 NEWMAR NEWAIRE 3543!"
2022 NEWMAR NEWAIRE 3543 ONE OWNER STORED INDOORS!
SPARTAN CHAS...
Updated: Saturday, July 18, 2026 02:00 AM
Location: Garfield, Minnesota
Seller: Steinbring Motorcoach
Mileage: 32,444 mi
Stock Number: 27-007A
Exterior Length: 35 ft
Number of Slide Outs: 3
Condition: Used
Exterior Color: SPECIAL ORDER EXTERIOR COLORS
Description: 2021 NEWMAR NEW AIRE 3543! 2 OWNER COACH! VERY CLEAN!
2021 NEWMAR NEW AIRE 3543
SPARTAN CHASSIS
450HP ISL CUMMINS ENGINE
THREE POWER SLIDEOUTS, IN...
Updated: Thursday, August 27, 2026 02:00 AM
Location: Garfield, Minnesota
Seller: Steinbring Motorcoach
Stock Number: LT228024
Exterior Length: 36 ft
Number of Slide Outs: 3
Horsepower: 450 HP
Condition: Used
Engine Manufacturer: CUMMINS
Description: 2020 Newmar NEW AIRE 3543 - Please email or call for the full list of the features, availability or anything else we can send to help you. We ha...
Updated: Saturday, September 05, 2026 11:02 PM
Location: Ft. Myers, Florida
Seller: La Mesa RV - Ft. Myers
Stock Number: SP-MLZ8787C
Horsepower: 450 HP
Condition: Used
Engine Manufacturer: CUMMINS
Wheelbase: 226 in
VIN: 4UZACEFE0LCLZ8787
Description:
Updated: Wednesday, September 02, 2026 10:00 AM
Location: Spring, Texas
Seller: DeMontrond RV - Spring
Stock Number: DP216936
Exterior Length: 35 ft
Number of Slide Outs: 3
Condition: Used
VIN: 4UZACEFE0PCUH2162
Description: 2023 Newmar NEW AIRE 3545 - Please email or call for the full list of the features, availability or anything else we can send to help you. We ha...
Updated: Wednesday, August 19, 2026 11:02 PM
Location: Phoenix, Arizona
Seller: La Mesa RV - Phoenix
Mileage: 35,983 mi
Stock Number: 26-317C SOLD
Exterior Length: 35 ft
Number of Slide Outs: 3
Condition: Used
Exterior Color: KINGSLEY FULL BODY PAINT
Description: 2022 NEWMAR NEW AIRE 3545, STORED INDOORS WHEN NOT IN USE!
2022 NEWMAR NEW AIRE 3545
SPARTAN CHASSIS
450HP ISL CUMMINS ENGINE
THREE POWER SLIDEOUT...
Updated: Saturday, July 18, 2026 02:00 AM
Location: Garfield, Minnesota
Seller: Steinbring Motorcoach
