SZ51-7 SZ51-4 A164 Driver Seat Air Suspension Spring Bellow for Mercedes MAN DAF Scania for Continental Contitech Truck Seat
SZ51-7 SZ51-4 A164 Driver Seat Air Suspension Spring Bellow for Mercedes MAN DAF Scania for Continental Contitech Truck Seat
Universal Truck Seat Air Spring Specs
OEM Part Numbers: SZ51-7, SZ51-4, A164
Type: Seat Air Suspension Bellow / Inner Bladder
Vehicle Compatibility: for Mercedes-Benz Actros/Atego, MAN TGA/TGX, DAF CF/XF, Scania P/G/R/S
Seat System: Compatible with Continental / ContiTech Seat Suspension
Air Inlet: 90-Degree Swivel Elbow Fitting (Nickel Plated)
Mounting: Universal M8 Threaded Bottom Port
Material: High-Grade Aging-Resistant Natural Rubber
Condition: 100% Brand New Premium Performance Aftermarket Kit
Product Highlights
Original Dynamic Comfort: Engineered to restore the original factory suspension feel, providing a smooth ride by effectively absorbing high-frequency cabin vibrations.
90° Precision Fitting: Comes with a pre-installed 90-degree swivel elbow for easy air line connection, even in the tight spaces under the driver's seat.
Superior Rubber Durability: Constructed from a proprietary multi-layer rubber compound that is resistant to oil, ozone, and extreme temperature fluctuations common in truck cabs.
Universal Application: A highly versatile replacement part that fits the vast majority of European truck driver seats equipped with Continental-style air systems.
⚠️ IMPORTANT: BUYER'S GUIDE (TECHNICAL VERIFICATION)
INLET ORIENTATION: Ensure your existing air spring uses a 90-degree elbow fitting. The SZ51-7 is specifically designed for side-entry or low-clearance air lines.
DIMENSION CHECK: Verify the overall height and diameter of your current bellow against our HD photos. The M8 bottom mounting thread is standard for this series.
LEAK PREVENTION: Always inspect the air supply line for debris before connecting to the new 90-degree fitting. Use a small amount of thread sealant if necessary.
PREVENTIVE MAINTENANCE: We recommend checking seat air springs every 12 months for small cracks or "dry rot," which can lead to sudden suspension failure or compressor burnout.
Comprehensive Application Matrix
Truck/Seat Brand |
Compatible Models / Part Number Ref |
for Mercedes-Benz |
Actros, Atego, Axor (Driver Seat Suspension) |
for MAN / DAF |
TGA, TGS, TGX / CF 65/75/85, XF 95/105 |
for Scania / IVECO |
P G R S Series / Stralis, Eurocargo, Trakker |
Universal Seats |
Driver Air Seats with Continental / ContiTech Bellows |
Package Includes: 1x Seat Air Suspension Spring Bellow, 1x 90-Degree Swivel Fitting (Pre-installed)
