Mtd Snowblower Engine Shroud 951-10634A 12.70 x 11.20 x 4.50 Genuine OEM. This is a Genuine OEM MTD part. This engine shroud (part number 951-10634A) is for snowblowers. Engine shroud 951-10634A covers and protects the engine. Wait until the engine is cool before installing this part. Wear work gloves to protect your hands... - Mtd Snowblower Engine Shroud 951-10634A 12.70 x 11.20 x 4.50 Genuine OEM.