Trunnion 338‑1845 – 4" Shaft × 4" Spring – Fits Mack Rear Heavy‑Duty Suspension freight and International

and International

S3500004001

34013-188L

This wear pad reduces metal-on-metal contact

Trunnion 338‑1845 – 4" Shaft × 4" Spring – Fits Mack Rear Heavy‑Duty Suspension freight and InternationalThe Mack Rear Trunnion Assembly (4 diameter) is a heavy duty suspension component designed to support the rear spring beam and manage articulation in tandem axle configurations. This complete assembly is engineered to OEM standards for strength, durability, and longevity in severe duty vocational and fleet applications. OEM Cross References: 3381845, 131604L, M1117, 39QK325, 39QK325M, R303645 Key Features: Application: Mack tandem axle rear suspension