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6 in Cross References
Hub oil sight glass reading low between PMs
WorkStar (MaxxForce DT)
68 in (118
ContiTech AS9978 Air Spring – Hendrickson S-28929 Trailer Suspension Elemax 6 in Cross ReferencesThe ContiTech AS9978 (catalog 67588) is a rolling lobe trailer axle air spring for Hendrickson air ride trailer suspensions. 1T15M 4 bellows, 18. 00 in extended height with a 9. 00 in top plate (2 hole, 5. 50 in center to center) and a 10. 16 in composite piston. Direct replacement for Hendrickson S 28929 C 28929, Firestone W01 358 9978, Goodyear 1R12 668, and Mack 8446 S28929. Signs You Need a New Air Spring Trailer sagging or sitting unevenly when
