This page lists 2 electrical bulb & socket parts for the 1931 Graham Model 621, across 1 part type, covering the 228cid L6 engine. Every part shows its brand, manufacturer part number and fitment notes.
The bulb and socket system on the 1931 Graham Model 621 covers every bulb and socket on the vehicle, from headlamps to instrument-cluster illumination. Every listed part is a Miscellaneous Light Bulb.
The 1931 Graham Model 621 came with a single engine, the 228cid L6, and every part is verified against it.
Every electrical bulb & socket part listed for the 1931 Graham Model 621 comes from LARES.
Each part number listed for the 1931 Graham Model 621 opens a page with every vehicle that part fits.
Miscellaneous Light Bulb
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| LARES | 19130 | 🇺🇸 US | LED6 Volt | View on Amazon |
| LARES | 19132 | 🇺🇸 US | LED6 Volt | View on Amazon |
This table covers the replacement bulbs for the Miscellaneous Light. Typical signs include a dark lamp, flicker, or a bulb that keeps failing in one socket. If the same position keeps failing, replace the socket or repair the ground rather than chasing bulbs.
LARES supplies both parts for the 1931 Graham Model 621.
This group includes LARES 19130 and LARES 19132.
Buying Electrical Bulb & Socket Parts for a 1931 Graham Model 621
On this vehicle, the bulb and socket system covers every bulb and socket on the vehicle, from headlamps to instrument-cluster illumination.
- 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 bulbs in pairs so both sides age together, and put a smear of dielectric grease on the new socket contacts.
- Cross-reference the manufacturer part number against your old part or a service-manual listing.
Start with the largest groups on this page: Miscellaneous Light Bulb .
Frequently Asked Questions
How many electrical bulb & socket parts fit the 1931 Graham Model 621?
Our catalog currently lists 2 electrical bulb & socket parts for the 1931 Graham Model 621 across 1 subcategory and 1 brand, covering the 228cid L6 engine. Each part is matched to the engine(s) it fits.
What are the signs of electrical bulb & socket problems on a 1931 Graham Model 621?
Common symptoms include a lamp that flickers over bumps, melted or discolored socket plastic, or bulbs that keep failing early on one side. 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 bulbs in pairs so both sides age together, and put a smear of dielectric grease on the new socket contacts.
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 repeated bulb failure in one position usually means a socket or ground problem, not bad bulbs — replace the socket rather than chase it. The notes column carries position and trim qualifiers where they apply.
Other Parts for the 1931 Graham Model 621
Switch vehicle or jump to a subcategory
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.