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Stock Number: 357976
Exterior Length: 3 ft 9 in
Sleeps: 7
Number of Slide Outs: 2
Condition: Used
VIN: 1UJCJSCV6M19G0075
Description: USED 2021 JAYCO SEISMIC 4212 – 357976
**Jayco Seismic 4212 fifth wheel toy hauler highlights:**
- 11' Rear Garage with Loft
-...
Updated: Monday, June 15, 2026 10:16 AM
Location: Elizabethtown, Pennsylvania
Seller: General RV Center - Elizabethtown
Stock Number: 352582
Exterior Length: 3 ft 9 in
Sleeps: 7
Number of Slide Outs: 2
Condition: Used
VIN: 1UJCJSCV9M19G0054
Description: USED 2021 JAYCO SEISMIC 4212 – 352582
**Jayco Seismic 4212 fifth wheel toy hauler highlights:**
- 11' Rear Garage with Loft
-...
Updated: Monday, June 15, 2026 10:16 AM
Location: Ocala, Florida
Seller: General RV Center - Ocala
Stock Number: UCBGN9674
Exterior Length: 45 ft
Condition: Used
VIN: 1UJCJSCV9L19G0053
Exterior Width: 8 in
Gross Vehicle Weight: 20,695 lb
Description: Overview Welcome Aboard the 2020 Jayco Seismic 4212: Redefining Travel with Every Mile! The 2020 Jayco Seismic 4212 is not just an RV; it's a state...
Updated: Wednesday, June 17, 2026 02:58 PM
Location: Mesa, Arizona
Seller: RV Country - Mesa, AZ
Stock Number: 473917
Exterior Length: 42 ft
Sleeps: 5
Condition: Used
Exterior Color: Jet & Slate
Interior Color: Wood & Cream
Description: - Stock #473917 -
Seismic 4212 is a top-of-the-line fifth wheel trailer that offers luxury and comfort for your travels!
2019 Jayco Seismic 4212...
Updated: Wednesday, June 10, 2026 09:04 AM
Location: Zephyrhills, Florida
Seller: Pop
Stock Number: 462120
Exterior Length: 42 ft
Sleeps: 7
Condition: Used
Description: - Stock #462120 -
Great condition, 2 bedroom and 2 bathroom, tons of storage, must see!
The 2018 Jayco Seismic 4212 is a toy hauler fifth wheel ...
Updated: Wednesday, June 10, 2026 09:04 AM
Location: Delray Beach, Florida
Seller: Pop
Stock Number: 404990
Exterior Length: 42 ft
Sleeps: 7
Condition: Used
Exterior Color: Gray/black
Interior Color: Gray/black
Description: - Stock #404990 -
2018 Jayco Seismic 4212 Toy Hauler with two slide-outs!
The 2018 Seismic (by Jayco) Toy Hauler Series 4212 is a robust and ver...
Updated: Wednesday, June 10, 2026 09:04 AM
Location: Winterset, Iowa
Seller: Pop
Stock Number: 467996
Exterior Length: 42 ft
Sleeps: 7
Condition: Used
Exterior Color: Beige/black
Interior Color: Beige/tan
Description: - Stock #467996 -
***SALE PENDING*** 2017 Seismic by Jayco. 2 Full bathrooms. Garage dropdown bed and a loft bunk.
The 2017 Jayco Seismic 4212 T...
Updated: Thursday, June 18, 2026 04:26 AM
Location: Valrico, Florida
Seller: Pop
