Description

Overview

The camshaft washer general purpose thin washer supports the S cam brake hardware on heavy trailers. It provides a stable bearing surface for the camshaft against the bracket and helps maintain brake alignment. The 0.8mm profile also lets technicians fine tune camshaft end float during brake service.

Features

• Thin 0.8mm washer helps set correct camshaft end float in drum brake assemblies
• 38mm internal diameter suits standard trailer S cam shafts and cam bush spigots
• 57mm outer diameter spreads load across the bracket face to help reduce fretting and wear
• General purpose pattern allows use across multiple trailer and axle brands where sizes match

Specifications and Materials

Use this camshaft washer general purpose thin washer when you need a thin spacer behind the S cam head. It works where the camshaft or bush OD is 38mm and the bracket land gives room for a 57mm washer. Thickness comes in at 0.8mm, which allows small adjustments to end float without changing the rest of the brake hardware. Part number: FB3103. For general background on flat washer design and function, refer to this washer technical overview

Compatibility and Fitment

This camshaft washer general purpose thin washer suits trailer drum brake assemblies that accept a washer with 38mm internal diameter and 57mm outer diameter around the camshaft. Next, confirm that the 0.8mm thickness matches the end float in the brake manual. Also compare the worn washer you remove with this new washer and check that the seating faces match before final assembly.

Compliance and Safety

Correct brake hardware selection affects lining wear and braking performance, so treat this washer as a critical part, not a disposable shim. Follow the brake manufacturer instructions when you choose spacer thickness and washer positions. In addition, clean the camshaft, bush and bracket faces before you install the washer so it seats flat. Finally, recheck brake adjustment and cam travel after reassembly and a short road test.

Trailer Applications

Technicians use this camshaft washer general purpose thin washer in heavy trailer and semi trailer drum brakes where space is tight behind the cam head. For example, use this thin washer when a standard thick washer closes up end float but no adjustment remains on the clevis or slack adjuster. Keeping a small stock of the camshaft washer general purpose thin washer can also help cover mixed trailer fleets with similar S cam dimensions.

Cross-reference and Suitability

No formal cross reference list is available for this washer. Instead, match the washer by its 0.8mm thickness, 38mm internal diameter and 57mm outer diameter and check that these values align with the original parts and the brake manufacturer recommendations.

Why Choose ICS Trailers

ICS Trailers focuses on practical heavy trailer solutions rather than generic catalogues, so our team checks that brake hardware such as camshaft washers belongs with real world trailer applications. We also keep camshaft hardware, brake shoes and related parts together so you can fill out a whole axle job from one source. Browse Foundation Brakes at ICS Trailers in our Foundation Brakes category