ZTF Mulching Blades for Honda HRX217, 21" Walk-Behind Mower Replace 72531-VH7-000 & 72511-VH7-000, Complete Maintenance Kit with Air Filter 17211-ZL8-023,Spark Plug,Bolts and Spacer

What It Is

This is a complete maintenance kit for the Honda HRX217 walk-behind mower, including a set of mulching blades, air filter, spark plug, bolts, and spacer. Designed for mulching grass clippings into fine particles that decompose quickly, it’s ideal for lawn owners who want to skip bagging and return nutrients to the turf.

Fitment & Compatibility

Before buying, confirm your mower is a Honda HRX217 model (e.g., HRX217HYA, HRX217K4, HRX217VKA) with a 21-inch cutting deck. The blades replace OEM part numbers 72531-VH7-000 and 72511-VH7-000. The air filter (17211-ZL8-023) and spark plug are standard HRX217 service parts. Measure your existing blades: they must be 21 inches long, with a 1-inch center hole and a 3/16-inch offset. These are aftermarket replacements, not Honda OEM, so double-check that the bolt and spacer included match your mower’s spindle (typically M8 x 1.25 thread). If your deck has a different blade retention system, these may not fit.

Key Things to Know

• Quality vs. OEM: Aftermarket blades may not hold an edge as long as genuine Honda parts; inspect for warping or thin steel before installation.
• Installation difficulty: Easy for DIYers—use a torque wrench to tighten bolts to 35-45 ft-lbs (check your manual). The spacer must be installed between blade and deck to prevent blade strike.
• Common gotcha: The kit includes one air filter and one spark plug—verify you need these separately if you already have spares. The spark plug gap should be set to 0.028-0.031 inches before installation.
• Mulching performance: Mulching blades work best with dry grass; wet clippings may clump under the deck, requiring more frequent cleaning.

Should You Buy It

This kit is a solid value for HRX217 owners who need a quick all-in-one refresh for mulching, especially if you’re already due for an air filter and spark plug change. It’s budget-friendly compared to buying OEM parts individually, but if you prioritize long blade life or have a non-Honda deck, stick with genuine parts. Best for DIYers comfortable with basic mower maintenance and mulching in dry conditions.