McCauley A-1633-42, 57 mm ID X 1.5 mm Cross Section Cover O-ring - Tempest PMA
Tempest AGA-1633-42-PMA
The Tempest AGA-1633-42 (McCauley OEM A-1633-42) is an FAA-PMA overhaul 57 mm id x 1.5 mm cross section cover o-ring for McCauley applications.
- Helps prevent oil seepage at the cover interface by restoring proper elastomer compression sealing.
- Supports consistent governor performance by protecting internal pressure integrity and reducing contamination pathways.
- Typically replaced during overhaul and any time the cover is removed, since seals can take compression set after service.
This O-ring supports aviation maintenance and overhaul where OEM part number searching is common for McCauley governor parts sourcing.
Installation notes
Always consult the applicable maintenance manual for the full installation procedure before performing this work.
- Clean and inspect the cover groove and mating faces to prevent pinching and uneven compression.
- Torque the cover fasteners in the pattern and values specified by the approved governor maintenance data.
Applications and fitment
Used on McCauley governors where OEM A-1633-42 is specified. Confirm compatibility by matching the OEM part number and reviewing governor model and serial number applicability in approved maintenance data.
Tempest AGA-1633-42 is the direct replacement for OEM A-1633-42. Match the OEM part number and confirm applicability by governor model and serial number in the approved maintenance data.
Pilot John International carries Tempest PMA propeller governor parts for FBOs, propeller overhaul shops, and aviation technicians supporting aircraft maintenance and ground support work.
| General Information | |
|---|---|
| Part # | AGA-1633-42 |
| Manufacturer | Tempest |
| Shipping Information | |
|---|---|
| Product Weight | 0.1 lbs. |
| Product Dimensions | 1 x 1 x 0.5 in. |
| Schedule B | 8807300010 |
| ECCN | 9A991.d |
| Specifications | |
|---|---|
| Approval | FAA-PMA replacement part |
| OEM P/N | A-1633-42 |
| Size | 57 mm ID x 1.5 mm cross section |
| System | McCauley propeller governor, cover sealing |
| Tempest P/N | AGA-1633-42 |
| Type | Cover O-ring |
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AIRCRAFT COMPATIBILITY
| Compatible Aircraft* | |
|---|---|
| Cessna | 182 , 210 |
| Hawker Beechcraft | A24 , A24R - Sierra 200 , Beech Bonanza , Musketeer |
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QUESTIONS & ANSWERS
Tempest AGA-1633-42 is a direct FAA-PMA replacement for McCauley P/N A-1633-42. Always verify compatibility with your specific propeller governor model and applicable maintenance documentation before placing an order.
The Tempest AGA-1633-42 Cover O-Ring is designed for use in aircraft equipped with McCauley model C290D3 propeller governors. Matching replacement parts to the correct governor model is essential to ensure proper fit, function, and reliable operation.
The Tempest AGA-1633-42 Cover O-Ring provides an oil-tight seal at the governor cover interface. Proper sealing reduces the risk of leakage and maintains consistent hydraulic performance.
PJi offers the Tempest AGA-1633-42 as an FAA-PMA-approved replacement for the McCauley A-1633-42 cover O-ring. View our full selection of Tempest propeller governor parts to find the correct component for your application.
For a deeper look at how propeller governors work, why proper maintenance matters, and how to identify compatible replacement components, refer to our Ultimate Guide to Aircraft Propeller Governor Maintenance.
