Lawn Mower Blade Fits Toro Riding Mower 38" Deck 1638XL XL380H Replaces 88-5140-03

What It Is

This is a replacement lawn mower blade designed for Toro riding mowers with a 38-inch cutting deck, specifically the 1638XL and XL380H models. It directly replaces the OEM Toro part number 88-5140-03, making it a direct-fit, drop-in blade for these machines.

Fitment & Compatibility

Before buying, verify three things:

1. Deck size – This blade is for a 38-inch deck only. Measure your deck’s cutting width if unsure.
2. Model number – Confirmed fit for Toro 1638XL and XL380H. Check your mower’s model tag (usually under the seat or on the frame).
3. OEM part number – Original Toro part is 88-5140-03. This aftermarket blade matches that number exactly. If your mower uses a different OEM number, it likely won’t fit.

Critical measurements – Blade length is approximately 18.5 inches, center hole diameter is 5/8 inch (oval), and the blade is 3.0 inches wide. Measure your old blade to confirm.

Key Things to Know

• Quality – At $26.99, this is an aftermarket blade. It’s typically made from hardened steel but may not hold an edge as long as an OEM Toro blade. Check reviews for durability feedback.
• Installation – Easy DIY job. Remove the deck, block the blade, use a socket wrench. Torque to 70-90 ft-lbs. No special tools needed.
• Common gotcha – This blade may not be balanced out of the box. Always check balance with a blade balancer before installing. An unbalanced blade causes vibration and cuts poorly.
• Sharpness – It comes sharp but not razor-sharp. If you want a finer cut, sharpen it lightly before first use.

Should You Buy It

Buy this if you have a Toro 1638XL or XL380H with a 38-inch deck, want a budget-friendly replacement that fits without modification, and are comfortable balancing the blade yourself. Skip it if you prefer OEM parts for longer edge life or if your mower has a different deck size or model.