144959 Riding Mowers Deck Belt 42" for Craftsman LT1000 LT2000 LT3000 DYT4000 160855 130801 138255 Replaces Husqvarna Poulan AYP Lawn Mower 138255 532144959 532138255 (1/2" X 95")

What It Is

This is a 42-inch deck drive belt (1/2" x 95") for riding mowers, specifically designed to transfer power from the engine pulley to the blade spindles on Craftsman LT1000, LT2000, LT3000, and DYT4000 series tractors. It also fits select Husqvarna, Poulan, and AYP models that use OEM belts 138255, 532144959, or 532138255.

Fitment & Compatibility

Before buying, confirm your mower has a 42-inch cutting deck (measure deck shell width, not blade tip-to-tip). This belt is a direct replacement for OEM part numbers 138255, 532144959, and 532138255. It fits most Craftsman LT and DYT4000 tractors with 42" decks from the 1990s through early 2000s, plus many Husqvarna, Poulan, and AYP models using the same deck geometry. Always double-check your current belt’s measurements: this belt is 1/2-inch wide and 95 inches long (outside circumference). If your belt is wider (5/8") or a different length, it will not fit. Verify your mower’s model number (found under the seat or on the frame) against the seller’s compatibility list if available.

Key Things to Buy

• Quality vs. OEM: At $8.99, this is an aftermarket belt. It may wear faster than a genuine Craftsman or OEM belt (typically $20–$30), but it’s a budget-friendly option for occasional use. Check reviews for premature cracking or stretching.
• Installation difficulty: Replacing a deck belt is moderate. You’ll need to remove the mower deck, route the belt around pulleys (refer to your deck diagram), and re-tension. Expect 30–60 minutes if you’re handy; a service manual helps.
• Common gotcha: The belt must be routed correctly—wrong path can cause slipping or rapid wear. Take a photo of the old belt before removal. Also, check for worn pulleys or spindles; a new belt won’t fix a seized bearing.
• Deck size matters: This belt is for 42-inch decks only. Using it on a 46" or 48" deck will be too short and damage the drive system.

Should You Buy It

If you need a quick, affordable replacement for a 42-inch Craftsman LT or similar AYP-based mower and don’t mow commercially, this belt works fine for light to moderate use. For heavy-duty mowing or if you want maximum longevity, consider spending more on a branded OEM belt.