2026 JAYCO SEISMIC 399

Souderton, PADealerShowroom
90
2
Rv TypeToy Hauler
Length46 ft
Fuel Type-
Mileage-

Description

2026 Jayco Seismic 399, Toy Hauler Fifth Wheel, New 2026 Jayco Seismic 399 New 2026 JAYCO SEISMIC 399 Toy Hauler Fifth Wheel for sale at Fretz RV of Philadelphia 
Jayco Seismic toy hauler 399 highlights:

  • Party Deck
  • Queen Bed with Convertible Sofas
  • Overhead Garage Loft with Storage
  • Walk-in Shower
  • 60" x 80" Queen Bed
  • 4K Smart LED HDTV

Fretz RV of Philadelphia is your premier RV dealership for new and used RVs! We proudly carry 2023, 2024, 2025, and 2026 models from top brands like Winnebago Minnie, Micro, M-Series, Access, Thrive, Voyage, FLX, Flex, plus Jayco Jay Flight, Eagle, Jay Feather, Air, North Point, Pinnacle, Bungalow, Seismic, and SLX.

We re also your go-to dealer for OPUS Campers (OP4, OP2, OP15, OPLite, Air Off Road), TAXA Outdoors (Habitat, Overland, Cricket, Tiger Moth, Mantis), and Ember RV (e-Series, Touring)

Serving Philadelphia, York, Harrisburg, Lancaster, Allentown, New Jersey, Delaware, New York, and Maryland Fretz RV has one of the largest selections of new, used, and Certified Pre-Owned RVs around! We proudly sell brands like Forest River, Salem, Wildwood, NuCamp (TAB, TAG), Cherokee, Coleman, R-Pod, A-Liner, Dutchmen, Keystone, KZ, Grand Design, Passport, Lance, Solitude, Coachmen, Catalina, Cougar, Sunset Trail, Raptor, Vengeance, Gulf Stream, and Airstream all priced below NADA book value.

With over 79 years of experience, we ve built a trusted reputation in the RV industry as a Winnebago Dealer Partner for over 30 years and a Jayco Dealer Partner for over 40 years.

Why Choose Fretz RV?

  • Huge indoor showroom (12,000+ sq. ft.)
  • 30,000 sq. ft. Indoor Service Facility
  • RV Parts & Accessories Superstore
  • Full-Service RVIA Certified Repair Shop
  • Easy RV Financing
  • Instant RV Insuran
RV details
Type
Toy Hauler
Condition
New
Length
46 ft
GVWR
20,400 lbs
Odometer
0 mi
Slide-outs
3
Sleeping capacity
9
Water capacity
106 gal
Floor plan
SEISMIC
Dealer stock ID
22348
$89,989

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(215) 723-3121