CUB CADET 631-04008B Steering Wheel Z Force RZT LGT SLT SLTX GT LT LTX GS 1040

What It Is

This is the OEM replacement steering wheel for Cub Cadet Z-Force, RZT, LGT, SLT, SLTX, GT, LT, LTX, and GS series zero-turn and garden tractors. It’s a direct-fit, non-adjustable steering wheel designed to restore worn, cracked, or broken factory wheels.

Fitment & Compatibility

Before buying, verify your machine’s model number (not just series name). Common compatible models include Z-Force 44, 48, 50, 54, 60, RZT 42, 50, LGT 1050, 1554, SLT 1554, 2054, GT 2000, 3000, LT 1040, 1042, 1045, 1046, 1050, 1054, 1550, 1554, 2000, 2100, 2105, 2180, 2185, 2186, LTX 1040, 1042, 1045, 1046, 1050, 1054, 1074, and GS 1040. Also check your steering shaft diameter—this wheel fits a 5/8-inch (16mm) splined shaft. If your shaft is 3/4-inch or a different spline pattern, it won’t work. Measure the shaft’s outer diameter and count the splines (typically 16 on compatible models). This is an OEM Cub Cadet part, not aftermarket, so it matches factory geometry exactly.

Key Things to Buy

• Quality: Injection-molded plastic with a rubberized grip that matches OEM feel and durability. No wobble or flex issues reported.
• Installation: Simple swap – remove the center cap, loosen the nut, pull the old wheel (may need a puller if stuck), slide on the new one, and torque the nut to 20-25 ft-lbs. No special tools required.
• Common gotcha: The steering wheel hub may be tight on the shaft; lightly sanding the shaft or applying anti-seize can help. Do not overtighten the nut or you’ll damage the splines.
• Fitment check: If your model number isn’t listed, measure your shaft spline count and diameter. This wheel is not compatible with older Cub Cadet models using a 3/4-inch smooth shaft or different spline pattern.

Should You Buy It

Buy this if you have a compatible Cub Cadet zero-turn or garden tractor with a worn or broken OEM steering wheel and want a direct, no-mod replacement. It’s the right choice for restoring factory fit, feel, and appearance. If your machine uses a non-standard shaft or you’re on a tight budget, consider aftermarket options, but this OEM part is the most reliable fix.