Part AIR 21875N

Pratt & Whitney Piston Ring AIR 21875N

Fits Model(s):

• 757 with Pratt & Whitney 2037 Engines when AlliedSignal Dual-Purpose Valve P/N 3214488-1
• 757 with Pratt & Whitney 2037 Engines when AlliedSignal Dual-2
• 757 with Pratt & Whitney 2037 Engines when AlliedSignal Dual-3
• 757 with Pratt & Whitney 2037 Engines when AlliedSignal Dual-4
• 757 with Pratt & Whitney 2037 Engines when AlliedSignal Dual-5
• 757 with Pratt & Whitney 2037 Engines when AlliedSignal Dual-6 are installed

OEM AlliedSignal 974386-5, Butterfly Shaft Capsule Seal