Fortpro Upper Front Motor Insulator Replaces 20QL329, 20QL418 | F010287Specifications Product Line: Suspension Category Name: Chassis & Suspension Part Type: Motor Mount Alternate Part Name: Engine Mount Upper Front, Motor Mount, Upper Front Motor Insulator OEM Part Number: 20QL329 Application Type: Semi Trucks, Heavy Duty Trucks Bolt Hole Diameter: 5 8 in. Mounting Position: Upper Front Engine Material: Metal, Rubber Distance Between Bolt Holes: 3 3 4 in. Overall Height: 3 9 16 in. Overall Length: 6 11 16 in. Overall