Lycoming Vacuum pump drive Gear 72970 For Sale
Lycoming Vacuum pump drive Gear 72970:
$50.00
This came out of a certified overhaul, I opted to replace with new due to some wear on the seal surface. Aside of that, its a useable part.
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$35.00
Lycoming Vacuum Pump Drive Adapter w/Gear P/N 61098 (0522-345)
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Lycoming Vacuum Pump Adapter, Cheap
$28.00