Air Spring - 1 Solid Sleeve - 1T - Reversible Sleeve - 1T15M-8
Features & Benefits
- Manufactured to Meet or Exceed O.E.M. Specifications in Function, Form & Fit.
- Today, Airide Springs are Used by Practically All Manufacturers Who Offer Air Ride Suspensions on Their Vehicles.
- Airide Springs Were Pioneered & Perfected by Firestone, and Only Firestone Offers a Complete Line of Airide Springs.
Specifications
| Air Inlet | Air Inlet 1/4 in NPT |
| Air Spring Type | 1T Reversible Sleeve |
| Application | Hendrickson 50899-1 & 2 (Mack-class 8), 57QL414M, Mack 3645Q27 |
| Bead Plate (Top) & Deflated Bellows O.D. | 9 in @ 10.12 in (22.86 cm @ 25.7 cm) |
| Bead Plate (Top) Mounting Bolts Dimension Center to Center | 6-13/64 in (15.75 cm) |
| Bellows | 1T15M-8 |
| Bottom Bead Plate Hardware Key | Bold or Stud 1/2 in-13 |
| Bottom Plate Diameter | 10 in (25.4 cm) |
| Compressed Length | 8-3/32 in (20.55 cm) |
| Design Height (in.) | 12-1/2 in @ 13-1/2 in (31.75 cm @ 34.29 cm) |
| Diameter | 10-1/8 in (25.73 cm) |
| Extended Length | 22 in (55.88 cm) |
| Firestone Bellows Number | 1T15M-8 |
| Goodyear Bellow # | 566243097, 566241012 |
| Loading Capacity at 20 psig | 1510 lb-ft |
| Loading Capacity at 60 psig | 4530 lb-ft |
| Loading Capacity at 90 psig | 6795 lb-ft |
| Maximum Rebound Height (in.) | 21-47/64 in (55.19 cm) |
| Minimum Jounce Height (in.) | 8 in (20.32 cm) |
| Piston Height | 4-27/32 in (12.29 cm) |
| Temperature | 57°C @ -54°C (134.6°F @ -65.2°F) |
| Top Bead Plate Hardware Key | Bold or Stud 1/2-13 in |
| Top Plate Diameter | 9 in (22.86 cm) |
| Weight | 16.9 lb (7.66 kg) |
Interchanges & Equivalent parts:
1R12-404, 1R12404, 1S12-031, 1S12031, 352-9375, 50899002, AB9375, FIR9375, 50899-1, 508992, AS9375, FI W01 358 9375, FSIW013589375, GTK-358-9375, RC AS9375, 1S12-030, 8519, W013589375, 1000-AS9375, 3040-W013589375, 3645Q27, 364SQ27, 57QL 414M, 9 10-17.5 P 440, 9 10-17.5 P 451, REAW013589375, TAS9375, TR9375, TWDW013589375, W01-455-9375, 1R12-488, 1R12488, 25158024, 50899-001, 50899-002, 50899-002L, 50899-2, 50899001, 50899002L, 508991, 57QL414M, 68616, 9 10-18.5 P 451, SC2773, W01-358-9375, 1S12-031, 1S12031, 50899002, 1R12-404, 1R12404, FIR9375, 352-9375, AB9375, 508992, FI W01 358 9375, GTK-358-9375, RC AS9375, FSIW013589375, AS9375, 50899-1, TR9375, 3645Q27, TWDW013589375, W01-455-9375, 3040-W013589375, 364SQ27, 9 10-17.5 P 451, TAS9375, REAW013589375, 1000-AS9375, 57QL 414M, 9 10-17.5 P 440, W013589375, 8519, 1S12-030, 1R12-488, 1R12488, 25158024, 50899-001, 50899-002, 50899-002L, 50899-2, 50899001, 50899002L, 508991, 57QL414M, 68616, 9 10-18.5 P 451, SC2773, W01-358-9375
