Description
Genuine Stemco Goodyear 1S5-072 sleeve-style cab air spring, distributed under PAI 804263. The 1S5-072 is the cab-suspension air spring used on Mack heavy-duty trucks specifying OEM 4333-2012771C1 / 8633-1S5072, and on International / Navistar applications calling for 2012771 / 2012771C1.
Signs You Need a New Cab Air Spring
- Cab sits low on one corner with the air system pressurized
- Audible air leak from the air spring at idle
- Cracks, blisters, or cuts in the rubber sleeve
- Harsh cab ride or banging on rough roads as the air spring collapses
Specifications
| Manufacturer | Stemco / Goodyear (distributed by PAI) |
|---|---|
| Part Number | 1S5-072 (PAI 804263) |
| Part Type | Sleeve-style Cab Air Spring |
| Position | Cab suspension |
| Condition | New — Genuine Stemco / Goodyear |
Cross References
This air spring replaces or is equivalent to the following part numbers:
- Stemco / Goodyear: 1S5-072
- PAI Industries: 804263
- Mack: 4333-2012771C1, 8633-1S5072
- Navistar / International: 2012771, 2012771C1
Applications
This sleeve-style cab air spring fits the cab suspension on:
- Mack heavy-duty trucks specifying 4333-2012771C1 / 8633-1S5072 in the cab-air-suspension position
- International / Navistar trucks specifying 2012771 / 2012771C1
Confirm the existing air-spring part number stamped on the bag or in the truck’s parts manual before ordering — visually similar Goodyear sleeve air springs (1S5-067, 1S5-171, 1S6-067) use different mounts and are not interchangeable.
