EQ Stabi-Lite 8450AM Stabilizer Parts Diagram, 7588 Legs & 6836 Motor

EQ Systems STABI-LITE 8450AM is an electric, two-leg stabilizing system for compatible Mercedes Sprinter-based motorhomes. Unlike a hydraulic leveling system, it uses motor-driven screw jacks to steady a parked coach. The parts guide distinguishes the 7588 leg assembly from its 6836 replacement motor and gearbox, and links the matching part carried by NewRVParts.

Identify the complete system first: EQ's installation manual addresses the related 8449/8449AM and 8450/8450AM families. The Sprinter 8450AM uses box-frame mounting geometry; Ford and other Class C channel-frame mounting brackets are a separate configuration. Match the RV chassis and original system label before ordering parts.

Stabi-Lite component layout

EQ Stabi-Lite 8450AM simplified two-leg system arrangement Conceptual top-view motorhome chassis with two stabilizer legs attached to the main frame rails between the axles, motor and gearbox assemblies at each leg, a protected controller and panel, and the legs oriented to fold rearward. Editorial callouts 1 to 6 correspond to the identification table. 1 · 8450AM system6 · Controller5 · SwitchTwo separate motor-driven legs · NOT hydraulic jacks3 · 68363 · 68362 · 75882 · 7588Rear motor/gearboxmotor/gearboxlegleg▼ Top view — conceptual orientation, not a dimensioned mounting drawing
The layout shows where the stabilizer legs, motors and mounting hardware sit on the chassis. Keys 1–6 refer to the component table below, not factory part numbers.

Stabilizer leg, motor and mounting reference

Manufacturer referenceEqualizer Stabi-Lite official Sprinter chassis leg, frame clamp and motor mounting drawingsOpen original manufacturer PDF
Equalizer Stabi-Lite official Sprinter chassis leg, frame clamp and motor mounting drawings. The manufacturer drawing shows the actual stabilizer, riser, rail clamps, bolts, motor position and rear-fold direction. It covers the Stabi-Lite Sprinter configuration; verify original equipment and model revision. Open the exact original Equalizer Systems factory diagram and part chart if the embedded viewer cannot load.
Show supplementary simplified orientation diagram
Stabi-Lite stabilizer leg and Sprinter frame mounting component locator Simplified side-view motorized screw-jack leg mounted to the chassis main frame rail by a riser and clamp. Motor and gearbox 6836 is beside the screw mechanism, factory leg assembly 7588 below the frame, and Sprinter mount drawing 7589T/7588 used to identify geometry. No dimensioned fabrication details. 3 · 6836motor & gearbox2 · 7588complete leg assembly4 · clamp mount7589T drawing ref.Frame railNot to scale • Factory EQ011R1 manual governs mounting, torque, clearance and safety
This side view helps locate the motor, leg and frame mount. Use EQ's factory drawing for dimensions and proper installation.

Replacement motor and gearbox: EQ 6836

Equalizer Systems 6836 replacement motor and gearbox component for the STABI-LITE electric stabilizer
EQ Systems 6836 — replacement motor and gearbox

EQ's 2021 motor replacement chart lists 6836 as the assembly for earlier motor/gearbox number 853208J. The manufacturer does not offer the bare motor alone for that unit.

View the exact EQ 6836 product at NewRVParts
Part 7588: EQ Systems identifies this as a STABI-LITE leg assembly. Contact us to confirm exactly what is supplied before ordering.

Parts identification by number

Guide key Identifier Part or assembly Selection details
1 8450AM Complete STABI-LITE Sprinter stabilizing system Two screw-jack stabilizer legs, matching clamp/risers, hardware, harnesses, controller and switch panel.
2 7588 STABI-LITE replacement leg assembly EQ identifies 7588 as a motor-driven screw-jack leg with approximately 16½-inch travel. Contact us to confirm the supplied assembly and contents before ordering.
3 6836 STABI-LITE motor plus gearbox assembly EQ's motor replacement chart maps old motor-gearbox code 853208J to 6836. Motor alone is not supplied as an independent replacement.
4 7589T / 7588 Sprinter box-frame mount drawing reference Drawing identifier for Sprinter bracket geometry with 7588 leg. Verify brackets and frame dimensions against the factory print; do not substitute Ford channel-frame brackets.
5 2849 Switch-panel mounting bracket Refer to the EQ011R1 installation manual to identify this component.
6 No specific MPN Control box, switch pad, battery and leg harnesses Included in the factory kit. Identify the original controller and harness revision before replacing. Do not assume any generic touchpad is interchangeable.

What is included with the STABI-LITE system?

Two electric stabilizer legsLeft and right sides of the chassis, with risers, clamps, fasteners and chassis-appropriate mounting. The manufacturer says the legs should fold rearward.
Protected controller & switch padEQ's installation guide requires these electrical items to be installed away from the weather. The switch-panel bracket is identified as part 2849.
System wiringController-to-motor harnesses are 7 ft and 12 ft; controller-to-switch harness is 16 ft and controller-to-battery harness is 8 ft. A 40-amp battery breaker is listed.
Safety interlocksThe system must prevent inappropriate extension with ignition/brake conditions according to the manufacturer's installation design. Stabilizers are not tire-service supports.

Electric stabilizer service checks

If a leg will not operate, EQ's troubleshooting guide directs technicians to verify the control switch, safety interlocks, controller power and ground, panel voltage, then power at the motor. If the motor is energized but the leg will not move, the gearbox or screw jack may be stuck; do not assume the motor is defective without checking the mechanism.

Keep screw and nut surfaces clean, and use the manufacturer-recommended dry-film silicone or PTFE lubricant after cleaning; oily or greasy lubricants attract debris. Never use stabilizer legs to lift the vehicle for tire service or work underneath a coach supported by extended stabilizers.

Original manufacturer mounting diagrams and manuals

EQ011R1 STABI-LITE installation and control diagrams (PDF) Sprinter 7589T / 7588 mount-spacing drawing (PDF) EQ 6836 motor/gearbox replacement chart (PDF) STABI-LITE maintenance and troubleshooting (PDF)

Follow EQ's installation manual for the mounting dimensions, hardware and wiring required by your chassis and system version.

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