4S
Boat deck spacer 80 mm for RIB03S jockey seat suspension – NS0001
In stock
- Compatible only with RIB03S and RIB03 suspension
- Additional height of 80 mm
- Robust 6061-grade marine aluminum frame
- Powder-coated black (RAL 9005)
- 8 fixing points for secure installation
Deck spacer 250 mm for RIB03S jockey seat suspension – NS0004
In stock
- Compatible only with RIB03S and RIB03 suspension
- Additional height of 250 mm
- Robust 6061-grade marine aluminum frame
- Powder-coated black (RAL 9005)
- 8 fixing points for secure installation
Sliding and Swivel Boat Seat Suspension 350 mm (14″) – 4S Scandinavian-THW
In stock
The THW is a marine seat suspension from the TH series by 4S Scandinavian Seat Suspension Systems, combining a fore/aft sliding system (Slide) and a 360° lockable swivel (Swivel), with a seating height of 350 mm (14").
Equipped with a quick weight adjustment handwheel — the key differentiator of the TH series — this shock-absorbing helm seat suspension allows instant pre-load setting without tools, perfectly adapted to fast on-the-water adjustments aboard powerboats, RIBs and centre-console vessels.
Certified to ABYC H-31 type AO (any boat, any position, any speed) and built from premium marine-grade materials throughout, the THW is a precision-engineered solution for helmsmen, yacht builders and professional refit yards who demand both performance and ease of use at the helm.
Sliding and Swivel Boat Seat Suspension 380 mm (15″) – 4S Scandinavian-CCW
In stock
The CCW is a marine seat suspension from the CC series by 4S Scandinavian Seat Suspension Systems, combining a fore/aft sliding system (Slide) and a 360° lockable swivel (Swivel), with an adjustable seating height of 340 to 380 mm (14 to 16").
Built from premium marine-grade materials — 316L stainless steel, 5052H32 and 6061T6 aluminium, bronze c63000 — this shock-absorbing boat seat suspension effectively dampens wave impact forces, protecting the pilot's spine and neck during rough water navigation.
Certified to ABYC H-31 type AO (any boat, any position, any speed), the CCW is a seriously engineered solution for powerboat owners, yacht builders and demanding marine refit professionals.
Kit: suspension + jockey seat + storage box – RIB04S
In stock
- Easy assembly
- Jockey seat included
- Quick preload adjustment (5 seconds)
- Suitable for semi-rigid boats and open hulls
- 6061T6 aluminum frame with marine powder coating
- Responsive foam padding
- High-quality marine vinyl cladding
- Optional front grab bar (ref. GR4)
- Compliant with ABYC H-31 standards for type AO
To make the most of your outings at sea and avoid back or knee painw, it's essential to choose a quality boat seat suspension specially designed for pleasure boating and leisure. Find out more about on-board comfort and safety here.
Join the hundreds of users of 4S - Scandinavian Seat Suspension Systems!Front grab bar for RIB03S – GR3 kit
In stock
- Compatible with RIB03S kit
- Provides additional grip support
- Easy installation with fasteners included
- Made of powder-coated aluminum for added strength
Very solid slide – FPS
In stock
Very solid swivel and slide boat seat plate – FPW
In stock
Semi-suspension for boat seat with 60 mm (2.5″) seating height – VLF
In stock
Sliding boat seat semi-suspension with 95 mm (4″) seating height – VLS
In stock
This semi-suspension with sliding for boat seats is an ultra-strong, low-profile shock-absorbing unit with a 95 mm (4″) seating height. Designed for boats with limited space, it can be mounted directly on the deck, console, or between the seat and a standard pedestal. The integrated slide offers 120 mm (5″) front/rear adjustment, while the preload can be tuned without tools using EPDM shims, covering weights from 50 to 130 kg (110–285 lb).
- Quick and easy to install
- Handle accessible while seated, left or right mountable
- Meets ABYC H-31 standards for type AO
Sliding and pivoting semi-suspension boat seat with 95 mm (4″) seat height – VLW
In stock
- Seat height: 95 mm (4 inches)
- Sliding and pivoting movements
- Improves comfort by reducing vibrations
- Easy installation on various types of seats
Sliding and swivel boat seat suspension with 395 mm (15.5″) seating height – PPW
In stock
- Adjustable seat height: 395 mm to 440 mm (15.5 to 17.5 inches)
- Sliding and pivoting movements
- Improves comfort by reducing vibrations
- Easy installation on various types of seats
Boat seat suspension with 530 mm (21″) seat height – RIB03
In stock


Electrical
Mechanical
Gas Springs