Husqvarna Genuine 21" Drive RWD Belt for Lawn Mowers/Poulan & Craftsman / LC221R & LC221RH / 580364608

What It Is

This is a genuine OEM drive belt for Husqvarna, Poulan, and Craftsman rear-wheel-drive (RWD) lawn mowers, specifically engineered for the LC221R and LC221RH models. It transfers power from the engine to the rear wheels, enabling self-propelled operation.

Fitment & Compatibility

Before buying, verify these three things:

• Model number: Fits Husqvarna LC221R, LC221RH, and compatible Poulan/Craftsman RWD mowers with a 21-inch deck. Check your mower’s model tag (usually under the seat or on the frame).
• OEM part number: This is Husqvarna part #580364608. Cross-reference with your current belt’s part number if possible.
• Belt dimensions: 21” deck models use a specific belt length and width. Measure your old belt (flat, not twisted) – common dimensions are ~90” long x 3/8” wide, but confirm yours matches.

Note: Aftermarket belts may be cheaper but often wear faster or slip. This is a genuine OEM part, so fitment is exact for listed models.

Key Things to Know

• Quality: Genuine Husqvarna/Craftsman belt – durable rubber construction, resists cracking and stretching better than generic alternatives. Expect 2-3 seasons with normal use.
• Installation difficulty: Moderate. You’ll need to remove the blade, pulley cover, and sometimes the deck belt. Allow 30-60 minutes, and have a socket set and screwdriver handy.
• Common gotcha: If your mower has a separate deck belt (for blade drive), this is the drive belt only. Don’t confuse the two. Also, check the idler pulley for wear – a rough pulley will shred a new belt quickly.
• Compatibility check: Not for zero-turn, walk-behind push mowers, or any model with a different deck size (e.g., 22” or 17”). Double-check your mower’s model number online if unsure.

Should You Buy It

If you own a Husqvarna LC221R, LC221RH, or a compatible Craftsman/Poulan RWD mower with a 21” deck, this is the correct, reliable replacement. It’s a fair price for OEM quality, and the high rating reflects consistent fit and longevity. Skip it if you’re looking for a cheaper universal belt or need a deck belt instead.