Cub Cadet Deck Height Adjustment Knob – 631P06839

Genuine Replacement Part – Fits XT1, XT2, RZT, Z-Force & More

Restore control and cutting precision with the 631P06839 Deck Height Adjustment Knob, designed for a wide range of Cub Cadet ride-on mowers and zero-turn models. This OEM part makes it easy to adjust your deck height smoothly and securely—keeping your lawn looking its best.

✅ Compatible with Select Models:

• Cub Cadet XT1 & XT2 Enduro Series

• RZT Zero-Turn Mowers

• Z-Force Series

• LTX Series (e.g. LTX1040, LTX1042, LTX1050)

• GT Series Lawn Tractors

• Also fits select Troy-Bilt and MTD units

Not sure if it fits? Contact us or check your owner’s manual.

🔧 Easy DIY Replacement

• Genuine Cub Cadet part #: 631P06839

• Replaces: 731-06839, 931-06839

• Textured for grip, built to last

• No tools required for most installs

• Simply pull off the old knob and push the new one into place

🛠 Helpful Tip:

Pair with your deck height plate, lift shaft, or other deck hardware for a full refresh of your height adjustment system.

📦 Commonly Bought With:

• Deck Lift Handle Assemblies

• Deck Height Indicator Plate

• Mower Deck Belt & Blade Kits

• Wash Port Plugs

⭐ Why Choose Genuine Parts?

Genuine Cub Cadet parts are made for your machine—ensuring a perfect fit, longer life, and no compromise on quality.

Tags: Cub Cadet 631P06839, deck height knob, Cub Cadet deck adjuster, ride-on mower parts, RZT deck knob, XT1 height adjust, genuine Cub Cadet parts, MTD 731-06839, mower deck lift knob