Oil Pump Gearbox Housing for Rolls-Royce RB211
Aluminum die-cast housing for constant speed drive oil pump gearbox in Rolls-Royce RB211-524 turbofan for Lockheed L-1011 and early Boeing 747. Interfaces with accessory gearbox. HTS 8411.99.90.90 aircraft engine lubrication part.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If standalone rotary positive displacement pumps
Pumps separate from engine classify differently.
If generic aluminum castings
Unspecified aluminum articles under Chapter 76.
If clutches and fluid couplings alone
Transmission components separate from housings.
Not sure which classification is right?
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Import Tips & Compliance
• Legacy part; provide service bulletins showing continued airworthiness
• Oil system contamination prevention requires special cleaning certification
• Cross-reference Boeing/ Lockheed service part numbers
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