The Rotary FC5224-84 replacement hardware is the direct replacement for the Rotary lift it came off of. Cross-referenced as ALS-7510-17, it is the genuine Rotary part — same part number, same fit, and same working specification as the one already on your lift. Ordering the Rotary replacement hardware 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-7510-17
- Brand: Rotary
- Type: Genuine OEM replacement hardware
- Fits: AR120EL1, AR120L, AR120S
- Lift type: 4-post lift
Hardware is the easiest category to order wrong, because so much of it looks generic — a pin is a pin until it is an eighth of an inch short and the e-clip groove lands inside the bore. Lift makers change hardware dimensions between production runs without renaming the lift, so the part that fits a given model can split by serial range. Order from your lift’s data tag — model and serial — rather than from the model name or from a lookalike photo. If the tag is gone, the old hardware itself is the spec: measure it, or photograph it next to a tape measure and send it to us, and we will match it before it ships.
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.
- Spring - Rotary FJ2264-9
- Wheel Holder Pivot Pin - Rotary FJ2264-18
- Axle, Long Clevis Pin - Rotary FJ2271-2
- Leg Hinge Bushing Kit - Rotary FJ2257
- RH Piping Assy - Rotary FJ7214
- LH Piping Assy - Rotary FJ7215
Confirm this is the right part before you order
Lift manufacturers revise parts mid-production without changing the model name, so the same lift bought two years apart can take two different revisions of the same component. Before you order, find the model plate on the lift — on most 2-post lifts it rides on one of the columns at eye level, on 4-post lifts it is usually on a column or the power-unit side runway — and note the full model number and serial. The serial dates the lift to a production run, and that is what decides which revision fits.
If the plate is painted over or missing, take a photo of the part you are replacing next to a tape measure and send it to us. Between the dimensions, the mounting pattern, and what lift it came off of, we can almost always identify the exact part before you spend money on the wrong one.
Measure the old part before you order and again against the new part when it arrives: overall length, diameter, groove and cross-hole locations, and thread size on anything threaded. On threaded hardware, run the nut on by hand first — if it fights, check for welding slag or damaged threads and clean them up with a file rather than powering the nut on and wrecking both parts.
Close is not correct on load-bearing hardware. A pin that is slightly undersized hammers its bore oval; a bolt of the wrong grade shears under a load the right one shrugs off. If what arrived does not match what came out, install nothing and call — guessing is the one move with no good outcome.
Why buy your Rotary replacement hardware from Auto Lift Services
We install, inspect, and repair Rotary lifts every week — the ALS-7510-17 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.
- We confirm the right part for your lift's serial and production year before you order.
- Every part ships as genuine Rotary — no aftermarket substitution unless you specifically ask for an aftermarket equivalent.
If you also need companion wear items — cables, sheaves, seals, hardware — for the same repair, use our parts lookup and we will build the whole kit for your lift so you order once and finish the job.
About this fc5224 primary torsion
Sourcing the correct fc5224 primary torsion is not the spot a shop wants to gamble. This piece sits inside a load path the lift manufacturer engineered to specific tolerances, and a substitute that looks close but is off by even a small margin can transfer load onto a neighboring component that was not designed for it. We stock this exact part to the OEM specification the original manufacturer publishes, which is why techs who have been through a bad aftermarket cycle keep coming back to us for the same replacement whenever their next need comes up.
Technical specification & installation notes
Cycle life on this piece depends heavily on operating conditions. In a typical commercial repair shop running 6-10 lifts per day, the fc5224 primary torsion should deliver five to eight years of service before showing measurable wear against the OEM inspection specification. In a high-volume tire or alignment shop running 20+ lifts per day per bay, expect service every three to five years. It is designed to be a serviceable component; when it does wear it wears within safe operating margins that trigger visible symptoms — drift, uneven wear, minor leakage — well before failure becomes a safety issue.
Shipping & ordering
Freight covers the continental United States on all standard orders. We ship UPS or FedEx ground for parts under 30 lb; heavier assemblies quote at published carrier rates. International orders on the fc5224 primary torsion require a freight quote — email dimensions, weight, and destination country to [email protected] and we return a rate within one business day. Alaska, Hawaii, and US territories quote at published rates and typically take five to ten business days depending on carrier and destination.
Warranty coverage
Return policy on the fc5224 primary torsion follows our store-wide standard: all parts sales are final; exchanges only if the piece arrives defective. In the case of a defective delivery, ship the failed piece back to us at your cost, we verify the defect on receipt, and ship a replacement at ours. Wrong-item deliveries where we made the shipping error follow a different path — we reimburse the return shipping cost and cover freight on the correct part. Contact [email protected] with the order number to start either process.
Cross-reference & fitment
Cross-reference on the fc5224 primary torsion is straightforward: match the OEM part number from the lift's parts breakdown against the number on your original invoice. If the numbers match, the component fits. If your lift's parts breakdown lists a superseded or alternate number, we accept the superseded value on the phone as confirmation of fit. When a manufacturer has issued a running change during production, we track the change in our catalog so ordering by the older number automatically pulls the current-spec replacement.
Questions about the fc5224 primary torsion? Call our parts desk at 800-674-9302 or email [email protected]. We ship nationwide from our Iowa warehouse and answer fitment questions within one business day.
LH Primary Torsion Spring - Rotary FC5224-84
Parts that fit your lift
This Rotary part fits the lift models below. Click your model to see every part that fits it — handy for grabbing the wear items that usually go at the same time (cables, sheaves, pins, locks).
Browse all Rotary lift parts →Inspect your lift.
Free. In your browser.
Our free lift inspection walks your lift end to end and shows you exactly which parts you need — right on the exploded diagram. No signup, no charge.