119-8819 119-8819-SL Drive Belt for Toro TimeCutter 42" Deck 4225 SS4225 SS4235 SS4200 4200 MX4200 MX4260 Garden Lawn Mower Tractor

What It Is

This is a replacement drive belt (OEM part #119-8819 / 119-8819-SL) for Toro TimeCutter zero-turn mowers with a 42-inch deck. It transfers power from the engine pulley to the deck spindles, so the blades spin properly.

Fitment & Compatibility

Before buying, confirm your mower model and deck size. This belt fits the following Toro TimeCutter models with a 42-inch deck only: SS4225, SS4235, SS4200, 4200, MX4200, MX4260. Do not use it on 50-inch or 60-inch decks. The belt is OEM Toro, not aftermarket, so it matches factory specs exactly. Measure your existing belt length if unsure—it should be approximately 96.5 inches long and 1/2 inch wide.

Key Things to Know

• Quality: OEM belt is reinforced rubber with better durability than cheap generic alternatives. It resists cracking and stretching longer under heavy use.
• Installation difficulty: Moderate. You’ll need to remove the deck, release the tension spring, and route the belt around all pulleys. A belt diagram is often printed on the deck underside—take a photo before disassembly.
• Common gotcha: The belt must be routed correctly around the idler pulley and blade spindles. If it’s too loose or tight, blades won’t engage or the belt will slip. Check the tension spring is not worn.
• Wear signs: Replace if you see fraying, glazing, or cracks. A slipping belt can cause uneven cutting or engine strain.

Should You Buy It

If you own one of the listed Toro TimeCutter 42-inch models and need a reliable, long-lasting replacement, this OEM belt is a solid choice. It’s priced fairly, fits perfectly, and avoids the fitment headaches of cheap aftermarket belts. Skip it only if you’re confident in a generic alternative or your deck size is different.