Product Overview
The World American WA05-5021 S-Cam is a left-hand trailer air brake camshaft, designed for 16.5″ Q-Plus outboard brake systems. It features a 1-½″ (38.1 mm) diameter shaft, 28 splines, and a 24-1/16″ (610 mm) shaft length measured from under the S-head to the end of the spline.
This precision-machined replacement camshaft is engineered for durability and reliable service life under heavy braking loads. It translates push-rod force into rotational motion that actuates the brake shoes with efficiency and even wear. Ideal for use on heavy-duty trailers, vocational vehicles, and other commercial applications requiring dependable brake performance.
REPLACES: 04-455, 04-932422, 17-725, 2210-B-6869, 2210-E-6869, 2210D6869, 4-455, C445BL, C868L, CS41114, E-5510, E5510, HQ10354L, L3117, M-3172-L, M-3172L, M3172L, OTR5510, SCAM156LZ, TK7141