The Gabriel 89407 GasSLX is a premium, heavy-duty adjustable shock absorber designed for Class 7–8 trucks, school buses, transit buses, and other commercial vehicles. Its adjustable damping provides three settings—Regular, Firm/OE ride, and Extra Firm—allowing ride comfort and handling to be tailored to operating conditions. Gabriel's GasSLX design uses specialized high-temperature fluid, a multi-lip Viton rod seal, and a pressurized piston seal for durability and consistent performance.
Key Features
-
3-position adjustable damping: Regular, Firm, and Extra Firm
- Heavy-duty GasSLX gas shock design
- Designed for Class 7–8 vehicles, school buses, and transit buses
- High-temperature shock fluid for demanding operating conditions
- Multi-lip Viton rod seal helps reduce friction and wear
- Chromed piston rod helps resist corrosion
- Recoil cutoff design
- Steel dust tube included
- Eye-ring bushing and centered steel sleeve mounting
- Sold individually
Specifications
| Specification |
Gabriel 89407 |
| Extended Length |
21.61 in. |
| Collapsed Length |
14.17 in. |
| Stroke |
7.45 in. |
| Bore |
1-5/8 in. |
| Upper Mount |
ES36 |
| Lower Mount |
ES36 |
| Upper Bushing ID |
0.75 in. |
| Lower Bushing ID |
0.75 in. |
| Adjustable Damping |
Yes |
| Dust Tube |
Yes |
| Rebound |
652 lb. |
| Compression |
218 lb. |
| Approx. Weight |
7.4 lb. |
| Quantity |
1 |
Specifications are sourced from current Gabriel/industry catalog information; some dimensional listings vary slightly by catalog measurement method.
Common Applications
Applications include various Mack, Volvo, Ford, and other heavy-duty commercial vehicles, with fitment depending on the specific suspension configuration. Always verify fitment by vehicle and suspension before ordering.
Cross-Reference Numbers
Cross references include Monroe 65106, Meritor M89407, Haldex SA66886, PRT 925043, Volvo 3945808, Bulldog HD1214-0533 / HD1215-0042, and others. Cross-reference numbers are provided for identification only and do not necessarily indicate identical construction or fitment.