New Yellow Deck Leveling Gauge for John Deere AM130907 TY15272 MTD 490-900-0041 Cub Cadet Troy-Bilt 490-900-0041 MOK30-0015 Stens 750-442

What It Is

This is a yellow plastic deck leveling gauge used to set the cutting height on lawn tractors and zero-turn mowers. It replaces OEM part numbers AM130907, TY15272, and MTD 490-900-0041, and fits John Deere, Cub Cadet, Troy-Bilt, and other MTD-built decks.

Fitment & Compatibility

Before buying, confirm your mower’s deck type and model number. This gauge works with most 42-inch to 54-inch MTD, Cub Cadet, Troy-Bilt, and John Deere decks that use a pin-and-index system for height adjustment—not all decks. Check your current gauge: if it’s yellow, plastic, and has a slot for a pin, it’s likely the same shape. Measure the slot width (about 0.5 inches) and the overall length (roughly 11 inches) to match. Not for older stamped steel decks with a different locking mechanism. Cross-reference with your mower’s model number on the manufacturer’s site or a parts lookup tool.

Key Things to Know

• Quality: Aftermarket part, but molded from durable yellow plastic. Holds up as well as OEM, but may feel slightly thinner—still fine for occasional leveling.
• Installation: Literally slides onto the deck’s height-adjustment pin. No tools needed. Takes 30 seconds.
• Common gotcha: The gauge has multiple notches for different heights. Make sure you’re using the correct notch for your desired cutting height (usually 1-4 inches). If the pin doesn’t lock into the notch, the deck isn’t level.
• Fitment nuance: Will not work on decks with a spring-loaded pin or a twist-lock height system. Only for slide-on pin designs.

Should You Buy It

If your original gauge is broken, missing, or faded, this is a cheap, direct replacement that does the job. It’s ideal for DIY owners who want a quick, no-fuss way to set deck height accurately. Skip it if your mower uses a different height adjustment system (e.g., lever-style or dial). For $9.20, it’s a smart buy for anyone with a compatible MTD or John Deere lawn tractor.