HGV Tools Volvo MP7 D11 Rear Crankshaft Seal Installer Drift Tool, alternative to OEM/Volvo part number 88800561. Application: Volvo and Mack MP7/D11 engines, rear crankshaft seal installation. This tool is designed for 6 inch crank seals only — if you have a 7 inch crank, you need Volvo tool 9990166-8888093 instead. Set includes the aluminum drift/installer tool with handles and 2 guide bolts/studs, plus the manufacturer instruction sheet. Using this tool kit helps install the oil seal without damaging it, making the repair more convenient and easier. Open box - new, unused, in original packaging. Retail price $408. Please compare to your application and photos to confirm fitment before purchasing.