Gill Batteries on Sale + Free Shipping on Select Models
Shop by Aircraft

Menu

Woodward 210031, Idle Gear Stud - Tempest PMA

In Stock
Ready to ship Monday if you order in the next 62 hours and 17 minutes (2pm EST)
$47.54 /ea.
Qty
CofC and 8130 available at no cost
Worldwide shipping available
Ask Our Aviation Specialists
Live Chat | +1.252.585.4553 | Email

Need a Quote?

Use this form to get a quote by email today.
First Name:*
Last Name:*
Email:*
Company Name: (optional)
Questions/Comments: (optional)

Tempest AG210031-PMA

The Tempest AG210031 (Woodward OEM 210031) is an FAA-PMA replacement idle gear stud for Woodward applications.

Drive train alignment components like idler studs can affect long term governor durability, especially when combined with bearing and gear wear. This component is intended for aviation propeller governor overhaul and repair workflows.

Installation notes

Always refer to the applicable aircraft and governor maintenance manual for complete installation procedures.

Applications and fitment

Used on Woodward governor configurations where OEM 210031 is specified. Confirm compatibility by matching OEM part number and verifying governor model and serial number in the approved maintenance data.

Tempest AG210031 is the direct replacement for OEM 210031. Match the OEM part number and confirm applicability by governor model and serial number in the approved maintenance data.

Pilot John International stocks Tempest PMA propeller governor parts for propeller overhaul shops, MROs, FBOs, and A&P mechanics supporting aircraft maintenance and ground support operations.

General Information
Part #AG210031
ManufacturerTempest
Shipping Information
Product Weight0.03 lbs.
Product Dimensions1 x 0.5 x 0.5 in.
Schedule B8807300010
ECCN9A991.d
Specifications
OEM P/N210031
Tempest P/NAG210031
TypeStud, idle gear (governor drive train support)

Customers also viewed

Tronair KHC-1342
for Select Bombardier & Gulfstream Aircraft
Tronair 01-0582-0011
Towbar Head Attachment for Select Embraer Aircraft
Tronair 02-7827C0110
32" to 75", CE-Marked – Select Cessna/ATR Aircraft
Tronair 01-0400-0000
– For Use with the Tronair 01-1201-0010 Multi-Head Towbar
Tronair KHC-3559
– Challenger 300/350, CS100, CS300, ERJ-170, ERJ-175, ERJ-190, ERJ-195, & Lineage 1000

AIRCRAFT COMPATIBILITY

Compatible Aircraft*
Hawker Beechcraft 58 - Baron , 95-C55 - Baron , 95-C55A - Baron
*This list is for general reference only and may not be entirely accurate for all aircraft. Please confirm all equipment meets the requirements of your aircraft with the owners/maintenance manuals prior to purchasing or using with your aircraft.

PRODUCT REVIEWS

This item does not have any reviews yet.

QUESTIONS & ANSWERS

Question:
What OEM component does Tempest AG210031 replace?
Answer:

Tempest AG210031 is a direct FAA-PMA replacement for Woodward P/N 210031. Always verify compatibility with your specific propeller governor model and applicable maintenance documentation before placing an order.

Asked January 21, 2026
Question:
Which propeller governor model is the Woodward 210031 compatible with?
Answer:

The Tempest AG210031 Idler Gear Stud is designed for use in aircraft equipped with Woodward model A210800 propeller governors. Matching replacement parts to the correct governor model is essential to ensure proper fit, function, and reliable operation.

Asked January 21, 2026
Question:
What function does the idler gear stud perform in a propeller governor?
Answer:

The Tempest AG210031 Idler Gear Stud provides a fixed mounting point for the idler gear, maintaining proper gear alignment and enabling smooth gear engagement in the governor’s oil pump system. Ensuring the idler gear remains precisely positioned under load promotes consistent hydraulic pressure generation and reliable propeller speed control.

Asked January 21, 2026
Question:
Where can I purchase a replacement for the Woodward 210031 idler gear stud?
Answer:

PJi offers the Tempest AG210031 as an FAA-PMA-approved replacement for the Woodward 210031 idler gear stud. View our full selection of Tempest propeller governor parts to find the correct component for your application.

Asked January 21, 2026
Question:
Where can I learn more about propeller governor maintenance and part compatibility?
Answer:

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.

Asked January 21, 2026