What This Camshaft Is and Where It Goes
This is a left-hand S-cam for trailer axles - the shaft that rotates when the brake chamber pushes the slack adjuster, spreading the shoes against the drum. 23.44 inches is the overall length, and 10 spline is the count on the end that mates to your slack adjuster.
It's a driver's-side (LH) part specifically. Trailers run mirrored cams left and right, so don't try to swap this into a right-hand position - the cam profile won't push the shoes the right direction.
Common on Meritor-spec trailer brake setups from various trailer builders - Wabash, Great Dane, Utility, and others running standard Meritor-pattern brakes. Length and spline count are the two numbers that matter most here.
Why These Numbers Cross and What to Double-Check
R607002, 2210-P-6386, CS41524, 65366, 17-573, and 124.102314.01 are all different brands' part numbers for what's functionally the same cam - same length, same spline, same LH orientation. Different manufacturers, different catalogs, same physical part.
Before you order, pull the old cam out and check three things: the length (should measure right around 23.44"), the spline count on the end (10 spline, count the teeth if you're not sure), and confirm it's the left-hand shaft, not right. A lot of comebacks on S-cams happen because someone grabbed the wrong hand or a shaft that's close but not exact length.
Also worth noting - drum size and slack adjuster arm length aren't part of this number, but they need to work with your setup too. If your slack adjuster is worn or wrong length, a good cam won't fix a bad brake job. When in doubt, match the old part number stamped on the shaft itself, or give us your trailer's VIN and axle info.
Ordering From PartStop
We're in Tacoma and keep S-cams like this in stock for same-day pickup or will-call. If you're not local, it ships out fast nationwide - we deal with fleets all over so we're used to getting parts moving quick.
Comes with our standard 6+ month warranty. If something's off with fitment after you check it against your old part, call us before you install it - easier to sort out before it's in the brake chamber.
This is an aftermarket part, cross-referenced to the numbers listed, not a claim that it's identical to any one manufacturer's original. Confirm against your old camshaft or trailer VIN before ordering if you're not 100% sure.
E1095 Cross-Reference & Interchange Numbers
These manufacturer and aftermarket numbers commonly cross-reference to E1095. Use them to identify the part — then confirm the exact fit by VIN or the number stamped on your old unit before you order. An interchange is a starting point, not a fitment guarantee.
| Brand / Line | Cross-Reference Numbers |
|---|---|
| OE/Cross-Ref | R607002, 2210-P-6386, CS41524, 65366, 17-573, 124.102314.01 |
Frequently asked questions
Does 65366 fit my trailer?
Depends on your trailer's brake spec. 65366 cross-references to this same 23.44" LH 10-spline cam, but you need to confirm your trailer actually uses this length and spline pattern - pull your old cam and check, or give us the VIN and we'll look it up.
Is this the same as the CS41524 Meritor cam?
It's not a Meritor-branded part - this is aftermarket. CS41524 cross-references to the same specs (23.44" LH 10-spline), so it should do the same job, but it's not sold or labeled as Meritor OEM. Match against your old part number to be sure.
How do I know if I need left-hand or right-hand?
Stand behind the trailer facing the direction of travel - driver's side is left-hand, passenger side is right-hand. The cams are mirrored so the brakes apply correctly on each side. If you pull the wrong hand, it won't seat right in the chamber bracket.
Not sure it fits? We check before you pay.
Run your VIN and we’ll match parts to your exact truck, or call the counter — a person who knows trucks verifies fitment by OEM number before the order ships. No wrong-box returns.
More cross-reference guides
Need the part, not just the reading?
Every part below is a Premium Quality aftermarket Direct Replacement with published OEM cross-reference numbers, a 6+ month warranty and same-business-day shipping from Tacoma, WA. Not sure it fits? Run your VIN — or call and a person who knows trucks will verify fitment before you pay.