The Quality Lift ALS-7233-159 is the direct-replacement arm restraint gear for the Quality Lift lift it came off of — the genuine part, same fit and same working specification as the one already on your lift. Ordering the Quality Lift arm restraint gear from us gets you the OEM piece that matches the lift, not an aftermarket knock-off that is close but not the same.

Specifications

• Part number: ALS-7233-159
• Brand: Quality Lift
• Type: Genuine OEM arm restraint gear

Restraint gear takes abuse it never shows on the surface. It absorbs the shock every time the lift settles onto the locks, and it's exposed to the same grit, water, and dropped tools as everything else at floor level. Bent teeth, a cracked weld, or a pivot rusted stiff all mean the gear can't do its job. Because it looks like solid steel, people assume it can't wear — and then it does.

Lock ladders and pawls are matched geometry — the tooth pitch, the nose angle, and the mounting have to suit the specific lift. A ladder that almost fits will let the pawl sit shallow on the tooth, which is worse than obvious because it looks engaged and isn't. Match restraint parts to the actual lift model and column, not a close-enough substitute, because the whole point of the part is that it holds under full load.

Related parts for this lift

The parts below are commonly ordered alongside this one — cables, sheaves, seals, and hardware wear on similar schedules, and most repairs go faster when the whole set is done in one visit.

• Arm Restraint Pull Ring SA10 - Challenger - 3W-02-16
• Front Female Arm for E10/LE10 - Challenger - JSJ5-10-01-00CH CLJSJ5-10-01-00CH
• Arm Restraint Pin for EW0820 - Challenger - 109404
• Arm Pin - Challenger - B17259 16124 CS9200
• Lift 26K06030 Arm Restraint Shaft - Quality
• Lift 26C06040 Small Arm Restraint Gear - Quality

Replacing your arm restraint gear

Replacing a lock ladder or pawl is straightforward mechanical work, but it's the one repair where getting it exactly right isn't optional — the new parts have to let the pawl seat fully into a square tooth and spring home crisply every time. Set it up, then cycle the lift and confirm every lock engages and releases cleanly. Since the locks are what hold a vehicle overhead, the full procedure is worth following start to finish. Full step-by-step: how to replace lift arm restraint gears.

Find the right part for your lift

Want to be sure before you buy? Pull the model and serial off your lift's plate and open our parts lookup to open the exploded parts breakdown for your model — find your part on the drawing and you know it fits. New to finding your model number? our guide to finding your model number covers it, or send a photo of the plate and we will read it for you.

Signs the locking system needs attention

The condemn list for locks: rounded, chipped, or peened ladder teeth; a worn or rounded pawl nose; a pawl that sticks, lags, or won't spring home; a weak or broken return spring; a loose ladder; a release that doesn't pull every pawl together. Any one of these takes the lift out of service — the locks are the last line, and there's no partial credit on the part that catches a falling car.

Parts commonly replaced at the same time

While you are in the locking system, handle the companions: the pawl, its spring, the latch, and the release cable that operates them. Replacing one worn piece and leaving the rest just means uneven locking and another visit. Give us your lift's model and we will build the matched set for both sides.

Safety notes

A lift is only as safe as its locks, and locks are mechanical parts that wear — rounded teeth, tired springs, cables out of adjustment. Replace them at the first sign of uneven or hesitant engagement, verify both sides catch and release in sync, and never park a load on locks you have not tested.

Before you order

Do the lock job once and completely: confirm model and serial, order latch, pawl, spring, and release cable together, and do both columns if either is worn. Even, synchronized locking depends on matched hardware. Call and we will confirm the right kit for your lift before it ships.

Check your lift's serial before ordering

The most common reason a lift part comes back is not a defect — it is a revision mismatch. Manufacturers change sub-parts between production runs while keeping the same lift model name, so "it fits my lift model" is not always enough. The model plate carries the serial number that pins your lift to a specific run, and that is the number that settles which version of this part belongs on your lift.

Can't find the plate? Measure the old part — overall length, bolt-hole spacing, thread size on anything threaded — and photograph it from a couple of angles. Send that with your lift's brand and rough age and we will match it against the parts breakdowns we service from every week.

Why buy your Quality Lift arm restraint gear from Auto Lift Services

We install, inspect, and repair Quality Lift lifts every week — the ALS-7233-159 is a part we handle in the shop, not a random SKU we drop-ship. The phone answers if you have a question mid-install — call 800-674-9302 — and every part ships genuine, no aftermarket substitution unless you ask for it.