The 1931 Graham Model 621 has one listed wheel part: a Spare Tire Pad from METRO, covering the 228cid L6 — the only engine offered in the 1931 Graham Model 621. It includes a manufacturer part number and application notes.
On the 1931 Graham Model 621, the wheel hardware covers lug nuts, studs, hub caps, TPMS sensors and trim rings.
The part number opens a page with every vehicle that part fits.
Spare Tire Pad
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| METRO | MP797F | 🇺🇸 US 🇨🇦 CA | Sold Individually | View on Amazon |
This table covers the Spare Tire pads. Typical signs include squeal, grind, or a wear-indicator scrape. Replace pads as an axle set and inspect the rotor or drum they ride on.
One part is listed for the 1931 Graham Model 621 — METRO MP797F.
Buying Wheel Parts for a 1931 Graham Model 621
On this vehicle, the wheel hardware covers lug nuts, studs, hub caps, TPMS sensors and trim rings.
- Confirm you have the 228cid L6 engine — every part on this page is matched to it.
- Read the notes on each row for position, trim and spec qualifiers before you order.
- Where labor overlaps, replace the TPMS service kit (valve core, seal, nut) with every tire change on sensor-equipped wheels.
- Cross-reference the manufacturer part number against your old part or a service-manual listing.
Start with the largest groups on this page: Spare Tire Pad .
Frequently Asked Questions
How many wheel parts fit the 1931 Graham Model 621?
This page lists one wheel part for the 1931 Graham Model 621: a Spare Tire Pad from METRO, covering the 228cid L6 engine.
What are the signs of wheel problems on a 1931 Graham Model 621?
Common symptoms include a TPMS light that will not clear, vibration after a wheel was serviced, or studs damaged by past over-torquing. If you notice any of these, identify the affected subcategory above and cross-reference the part numbers listed.
What should I replace at the same time?
Where labor overlaps, replace the TPMS service kit (valve core, seal, nut) with every tire change on sensor-equipped wheels.
What do the market flags (US, CA, MX) on each part mean?
They show the market for which the manufacturer published application data for that part — where the vehicle was first sold, not where the part was made. If your 1931 Graham Model 621 was originally sold in the US, the safest choice is a part marked for the US market.
How do I make sure a part fits my 1931 Graham Model 621?
Every part on this page is matched to the 228cid L6 engine. Then always torque lug nuts to spec in a star pattern — impact guns without torque sticks warp rotors and stretch studs. The notes column carries position and trim qualifiers where they apply.
Other Parts for the 1931 Graham Model 621
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Manufacturer names, model designations and part numbers are used for identification and fitment reference only. AutoFactsDB is an independent catalog and is not affiliated with, endorsed by, or sponsored by any vehicle manufacturer displayed on this page.