42 Inch Deck Rebuild Kit for Husqvarna YTH18542 YTH1842 YTH2242A YTH2242B Lawn Mower Parts Includes 2 Spindle 21546238 187292 2 Blade 127843 1 Belt 174883

What It Is

This 42-inch deck rebuild kit provides the essential wear items—two spindles, two blades, and one drive belt—to restore cutting performance on select Husqvarna lawn tractors. It’s designed for a single, complete deck overhaul rather than piecemeal repairs.

Fitment & Compatibility

• Deck size: Fits only 42-inch (107 cm) cutting decks. Measure your deck width before ordering.
• Model numbers: Confirmed for Husqvarna YTH18542, YTH1842, YTH2242A, and YTH2242B. Check your tractor’s model tag under the seat or near the engine.
• OEM reference: Spindle part 21546238 (also cross-referenced as 187292), blade part 127843, belt part 174883. These are aftermarket replacements, not genuine Husqvarna parts.
• Measurements: Belt must be 1/2” x 96.5” (fits most 42” Husqvarna decks). Blades are 18.5” long with a 5-point star center hole. Spindle bolt pattern is 3-bolt, 2.75” spacing.

Key Things to Know

• Installation difficulty: Moderate. Requires basic hand tools (socket set, jack stands), plus a puller or penetrating oil for stubborn spindles. Expect 1.5–2 hours.
• Quality variance: Aftermarket spindles may have thinner bearings than OEM. Some users report shorter lifespan on heavy-use mowers. Check spindle housing for casting flaws before install.
• Belt routing: The 174883 belt is a replacement for the stock deck belt. Verify your deck’s tensioner and idler pulley arrangement matches the included belt’s length.
• Blade orientation: Blades are symmetrical but must be installed with the cutting edge facing the direction of rotation (counterclockwise when viewed from above). Torque blade bolts to 70–90 ft-lbs.

Should You Buy It

This kit is a solid value if you’re comfortable with basic mechanical work and want a one-stop refresh for a worn deck. It’s best for light-to-medium use (sub-2 acres) where OEM longevity isn’t critical. Skip it if you mow commercially or need guaranteed OEM durability—buy genuine Husqvarna spindles and blades separately.