4 Ignition parts are listed for the 1949 Humber Imperial, in 2 part types, covering the 4.1L 249cid L6 engine. Each one has a brand, a manufacturer part number and notes that say where it fits.
The ignition system on the 1949 Humber Imperial delivers spark at the right moment — plugs, coils, wires, distributors and ignition modules. All 4 listed parts are Spark Plug (3 parts) and Ignition Conversion Kit (1 part).
The 1949 Humber Imperial came with a single engine, the 4.1L 249cid L6, and every part is verified against it.
4 brands supply ignition parts for the 1949 Humber Imperial, led by WELLS (1 part), ACDELCO (1 part) and AUTOLITE (1 part), plus 1 more brand.
Each part number listed for the 1949 Humber Imperial opens a page with every vehicle that part fits.
Ignition Conversion Kit
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WELLS | 1A4230 | 🇺🇸 US | Lucas Distributor # DVXH6A, Lobe Sensor Module, with Counter Clockwise Rotation12 Volt | View on Amazon |
This table covers the Ignition Conversion kits.
One part is listed for the 1949 Humber Imperial — WELLS 1A4230.
Spark Plug
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ACDELCO | R44F | 🇺🇸 US 🇨🇦 CA | ProfessionalConventional | View on Amazon |
| AUTOLITE | 425 | 🇺🇸 US | Center Electrode Projection: Short ProjectionCopper Resistor | View on Amazon |
| CHAMPION | 896 | 🇺🇸 US | Copper Plus | View on Amazon |
This table covers the spark plugs for this engine. Typical signs include misfire under load, rough idle, or a flashing check-engine light. Verify the gap even on pre-gapped plugs, and replace coil boots that come off a high-mileage engine.
3 Spark Plug parts are listed for the 1949 Humber Imperial, from ACDELCO, AUTOLITE and CHAMPION.
This group includes ACDELCO R44F, AUTOLITE 425 and CHAMPION 896.
Buying Ignition Parts for a 1949 Humber Imperial
On this vehicle, the ignition system delivers spark at the right moment — plugs, coils, wires, distributors and ignition modules.
- Confirm you have the 4.1L 249cid 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 plugs and wires (or coil boots) as a set — one weak cylinder makes the whole set feel bad.
- Cross-reference the manufacturer part number against your old part or a service-manual listing.
Start with the largest groups on this page: Spark Plug and Ignition Conversion Kit .
Frequently Asked Questions
How many ignition parts fit the 1949 Humber Imperial?
Our catalog currently lists 4 ignition parts for the 1949 Humber Imperial across 2 subcategories and 4 brands, covering the 4.1L 249cid L6 engine. Each part is matched to the engine(s) it fits.
What are the signs of ignition problems on a 1949 Humber Imperial?
Common symptoms include misfires under load, rough idle, flashing check-engine light, or poor starting in damp weather. If you notice any of these, identify the affected subcategory above and cross-reference the part numbers listed.
What spark-plug gap is listed for the 1949 Humber Imperial?
Notes on this page include pre-set gaps of 0.025" and 0.030". Still verify against spec — even “pre-gapped” plugs should be checked before they go in.
What should I replace at the same time?
Where labor overlaps, replace plugs and wires (or coil boots) as a set — one weak cylinder makes the whole set feel bad.
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 1949 Humber Imperial 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 1949 Humber Imperial?
Every part on this page is matched to the 4.1L 249cid L6 engine. Then gap matters even on “pre-gapped” plugs — verify against spec, and replace coil boots when they come off a high-mileage engine. The notes column carries position and trim qualifiers where they apply.
Other Parts for the 1949 Humber Imperial
Ignition Parts for Other Humber Imperial Years
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