The Challenger 12791-LC hydraulic hose is the direct replacement for the Challenger lift it came off of. This is the genuine Challenger part — same fit and same working specification as the one already on your lift. Ordering the Challenger hydraulic hose 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: 12791-LC
• Brand: Challenger
• Type: Genuine OEM hydraulic hose
• Fits: CL12, CL12A

The hydraulic side of a lift is a closed loop: the power unit's motor drives a pump that pushes fluid from the reservoir, through a hose and fittings, into a cylinder that does the lifting, while a lowering valve meters it back to tank on the way down. Every part in that loop either moves fluid, holds pressure, or seals it in. When one link weeps or won't hold, the whole lift feels it.

Dirty or wrong fluid quietly wrecks hydraulic parts. Milky oil means water got in and the pump is cavitating; dark, gritty oil means the system is grinding itself and packing the filter with metal. Mixing ISO-32 and ATF, or topping off with whatever's on the shelf, changes the viscosity the pump was built for. Half the "bad cylinder" calls in a shop start as fluid that should have been changed years ago.

What lifts this hydraulic hose fits

This hydraulic hose fits the lift models below. Click a model to open its visual parts breakdown — the exploded drawing with every part numbered, so you can confirm this is the right part for your exact lift before you order.

• CL12 — see the exploded parts breakdown for this lift
• CL12A — see the exploded parts breakdown for this lift

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.

• Challenger 12791-0 Power Hose Assembly Cl12

Replacing your hydraulic hose

Most hydraulic repairs share the same discipline: relieve pressure, keep the system clean, replace the part, then bleed the air and verify the lift holds under load. Contaminated fluid or trapped air will undo an otherwise good job. Because these parts keep a vehicle safely in the air, the full procedure is worth following start to finish. Full step-by-step: how to replace a car lift hydraulic hose.

Find the right part for your lift

Not certain this is the exact part your lift needs? Start with your lift's model and serial off the data plate, then open our Challenger parts lookup to see the visual parts breakdown for your model — the exploded drawing with every part numbered and priced. If your plate is missing or unreadable, our guide to finding your model number walks through where to find it, or send us a photo and we will identify the lift for you.

Signs of a hydraulic problem

A spongy or bouncy lift under load is air in the system or a failing seal letting pressure bleed past the piston. Bleed the cylinders first; if it's still soft, the piston seal isn't holding. Watch the rise, too — a cylinder that stalls partway or shudders is either low on fluid, sucking air, or scored inside so the seal skips.

Parts commonly replaced at the same time

A hydraulic repair is the right moment to handle the parts that fail alongside this one — seals, o-rings, the hose that feeds it, and fresh oil for the refill. Opening the system twice for parts you could have done together is wasted labor. We will build the seal-and-hose kit for your lift so the repair is complete in one go.

Hydraulic fluid

Most 2-post and 4-post lifts run hydraulic oil equivalent to ISO-32; some older units were filled with Dexron ATF. Check what your lift currently uses and do not mix the two — and defer to your lift's installation manual for the exact fill capacity, since it varies by model.

Safety notes

Hydraulic parts hold a vehicle in the air on pressure and a column of oil — respect both. Relieve system pressure before you crack any fitting, cap every open port so grit stays out, and bleed the system fully before the lift carries a load. Air in the lines is what causes a lift to drift or drop unexpectedly.

Before you order

Have the data plate in front of you when you order — model, serial, and voltage if it is a power unit. Match hose length and fitting type against the old part, and remember the job includes fresh oil and a full bleed. Not sure whether you need the part or just seals? Call and we will sort it.

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.

Why buy your Challenger hydraulic hose from Auto Lift Services

We install, inspect, and repair Challenger lifts every week — the 12791-LC 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.