The 1949 Jensen Interceptor has 10 ignition parts with verified fitment on this page — 2 part types and 7 brands, covering the 4.0L 244cid L6 engine. Each part includes a manufacturer part number and application notes.
On the 1949 Jensen Interceptor, the ignition system delivers spark at the right moment — plugs, coils, wires, distributors and ignition modules. All 10 listed parts are Ignition Coil (6 parts) and Spark Plug (4 parts).
The 1949 Jensen Interceptor came with a single engine, the 4.0L 244cid L6, and every part is verified against it.
7 brands supply ignition parts for the 1949 Jensen Interceptor, led by STANDARD MOTOR PRODUCTS (2 parts), ACDELCO (2 parts) and CHAMPION (2 parts), plus 4 more brands. Quality grades include Economy and Standard Replacement.
A "Popular" badge means the source catalog flagged the part as frequently chosen for the 1949 Jensen Interceptor. 2 parts have it, including ACDELCO U505 (Ignition Coil) and WELLS 5C1026 (Ignition Coil). Each part number opens a page with every vehicle that part fits.
Ignition Coil
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FVP | UC12F | 🇺🇸 US | with 12 Volt Systemwith External Resistor | View on Amazon |
| SKP | SKUC12 | 🇺🇸 US | with 12 Volt Systemfor with External Resistor. | View on Amazon |
| STANDARD MOTOR PRODUCTS | UC12T | 🇺🇸 US | T-Series | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ACDELCO Popular | U505 | 🇺🇸 US 🇨🇦 CA | Professional | View on Amazon |
| WELLS Popular | 5C1026 | 🇺🇸 US | Requires External Resistor: YES | View on Amazon |
| STANDARD MOTOR PRODUCTS | UC12 | 🇺🇸 US | with 12 Volt Systemwith External Resistor | View on Amazon |
This table covers the coils that fire each spark plug. Typical signs include a misfire that follows one cylinder, a snap in damp weather, or a coil that is swollen or cracked. Swap a suspect coil with a neighbor to confirm, then replace boots that tore on the way off.
6 Ignition Coil parts for the 1949 Jensen Interceptor come from 5 brands — STANDARD MOTOR PRODUCTS, FVP, SKP and 2 other brands. The "Popular" part is ACDELCO U505.
The Economy section lists 3 options from FVP, SKP and STANDARD MOTOR PRODUCTS — the catalog's value-priced group. FVP UC12F is listed in this group.
In the Standard Replacement grade, ACDELCO, WELLS and STANDARD MOTOR PRODUCTS supply 3 parts: built to original-equipment specification. A representative part number is ACDELCO U505.
Listed part numbers: ACDELCO U505, FVP UC12F and SKP SKUC12, plus the other parts above.
Spark Plug
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ACDELCO | R44XL | 🇺🇸 US 🇨🇦 CA | ProfessionalConventional | View on Amazon |
| CHAMPION | 120 | 🇺🇸 US | Copper PlusPre-Set Gap: 0.026" | View on Amazon |
| CHAMPION | 123 | 🇺🇸 US | Copper PlusPre-Set Gap: 0.025" | View on Amazon |
| MOTORCRAFT | SP466 | 🇺🇸 US | Copper | 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.
4 Spark Plug parts are listed for the 1949 Jensen Interceptor, from CHAMPION, ACDELCO and MOTORCRAFT.
Listed part numbers: ACDELCO R44XL, CHAMPION 120 and CHAMPION 123, plus the other parts above.
Buying Ignition Parts for a 1949 Jensen Interceptor
On this vehicle, the ignition system delivers spark at the right moment — plugs, coils, wires, distributors and ignition modules.
- Confirm you have the 4.0L 244cid 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: Ignition Coil and Spark Plug .
Frequently Asked Questions
How many ignition parts fit the 1949 Jensen Interceptor?
Our catalog currently lists 10 ignition parts for the 1949 Jensen Interceptor across 2 subcategories and 7 brands, covering the 4.0L 244cid L6 engine. Each part is matched to the engine(s) it fits.
What are the signs of ignition problems on a 1949 Jensen Interceptor?
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 Jensen Interceptor?
Notes on this page include pre-set gaps of 0.025", 0.026", 0.034" and 0.035". 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 Jensen Interceptor 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 Jensen Interceptor?
Every part on this page is matched to the 4.0L 244cid 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 Jensen Interceptor
Ignition Parts for Other Jensen Interceptor Years
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