14 Ignition parts are listed for the 1949 Allard J1, in 2 part types, covering both the 3.6L 221cid V8 and the 3.9L 239cid V8. Each one has a brand, a manufacturer part number and notes that say where it fits.
The ignition system on the 1949 Allard J1 delivers spark at the right moment — plugs, coils, wires, distributors and ignition modules. All 14 listed parts are Spark Plug (8 parts) and Ignition Coil (6 parts).
The 1949 Allard J1 was sold with both the 3.6L 221cid V8 and the 3.9L 239cid V8. 9 parts fit every engine; the other 5 are engine-specific. Each part shows which engine(s) it fits.
The most listed brands for 1949 Allard J1 ignition parts are CHAMPION (5 parts), STANDARD MOTOR PRODUCTS (2 parts) and ACDELCO (2 parts), plus 5 more brands. Quality grades include Copper / Nickel, Economy and Standard Replacement.
4 parts on this 1949 Allard J1 page carry a "Popular" badge — the source catalog's flag for options frequently chosen for this vehicle — including STANDARD MOTOR PRODUCTS UC15T (Ignition Coil) and ACDELCO R44XL (Spark Plug). Click any part number to see every vehicle that part fits.
Ignition Coil
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Popular Fits: all 1949 J1 engines | UC15T | 🇺🇸 US | T-Series | View on Amazon |
| FVP Fits: all 1949 J1 engines | UC15F | 🇺🇸 US | View on Amazon | |
| HOLSTEIN Fits: all 1949 J1 engines | 2IGC0058 | 🇺🇸 US | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Popular Fits: all 1949 J1 engines | UC15 | 🇺🇸 US | View on Amazon | |
| UNITED MOTOR PRODUCTS Fits: all 1949 J1 engines | C15 | 🇺🇸 US | View on Amazon | |
| WELLS Fits: all 1949 J1 engines | 5C1019 | 🇺🇸 US | Used on most import products with 12 Volt system with Internal resistorUniversal 12 Volt Coil | 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 are listed for the 1949 Allard J1, from STANDARD MOTOR PRODUCTS, FVP, HOLSTEIN and 2 other brands. STANDARD MOTOR PRODUCTS UC15T carries the "Popular" badge. All of them fit every engine offered in the 1949 J1.
In the Economy grade, STANDARD MOTOR PRODUCTS, FVP and HOLSTEIN supply 3 parts: the catalog's value-priced group. A representative part number is STANDARD MOTOR PRODUCTS UC15T.
The Standard Replacement section lists 3 options from STANDARD MOTOR PRODUCTS, UNITED MOTOR PRODUCTS and WELLS — built to original-equipment specification. STANDARD MOTOR PRODUCTS UC15 is listed in this group.
Part numbers include STANDARD MOTOR PRODUCTS UC15T, FVP UC15F and HOLSTEIN 2IGC0058, among others listed above.
Spark Plug
Summary: Notes include pre-set gaps of 0.024", 0.025", 0.03", 0.032", 0.034" and 0.035". Replacement brands in this table include CHAMPION, ACDELCO and MOTORCRAFT.
Copper / Nickel
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ACDELCO Popular Fits: all 1949 J1 engines | R44XL | 🇺🇸 US 🇨🇦 CA | ProfessionalConventional | View on Amazon |
| CHAMPION Popular Fits: 3.9L 239cid V8 | 844 | 🇺🇸 US | Copper PlusPre-Set Gap: 0.03" | View on Amazon |
| CHAMPION Fits: 3.6L 221cid V8 | 516 | 🇺🇸 US | Copper PlusPre-Set Gap: 0.025" | View on Amazon |
| CHAMPION Fits: 3.6L 221cid V8 | 541 | 🇺🇸 US | Copper PlusPre-Set Gap: 0.025" | View on Amazon |
| CHAMPION Fits: 3.9L 239cid V8 | 8441 | 🇺🇸 US | Copper Plus | View on Amazon |
| CHAMPION Fits: 3.9L 239cid V8 | 854 | 🇺🇸 US | Copper PlusPre-Set Gap: 0.03" | View on Amazon |
| MOTORCRAFT Fits: all 1949 J1 engines | SP466 | 🇺🇸 US | Copper | View on Amazon |
Double Platinum (lasts up to 3x longer than Copper / Nickel)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ACDELCO Fits: all 1949 J1 engines | 41832 | 🇺🇸 US 🇨🇦 CA | ProfessionalDouble Platinum | 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.
8 Spark Plug parts for the 1949 Allard J1 come from 3 brands — CHAMPION, ACDELCO and MOTORCRAFT. The "Popular" part is ACDELCO R44XL. 3 parts fit every engine; the other 5 are engine-specific.
The Copper / Nickel section lists 7 options from CHAMPION, ACDELCO and MOTORCRAFT — grouped under the catalog's "Copper / Nickel" designation — the notes column spells out what sets them apart. ACDELCO R44XL is listed in this group.
The Double Platinum (lasts up to 3x longer than Copper / Nickel) section lists 1 option from ACDELCO — grouped under the catalog's "Double Platinum (lasts up to 3x longer than Copper / Nickel)" designation — the notes column spells out what sets them apart. ACDELCO 41832 is listed in this group.
Part numbers include ACDELCO R44XL, CHAMPION 844 and CHAMPION 516, among others listed above.
Buying Ignition Parts for a 1949 Allard J1
On this vehicle, the ignition system delivers spark at the right moment — plugs, coils, wires, distributors and ignition modules.
- Match the engine first. Some ignition parts fit every engine; others are engine-specific. Each row shows which engine(s) it fits.
- 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 Coil .
Frequently Asked Questions
How many ignition parts fit the 1949 Allard J1?
Our catalog currently lists 14 ignition parts for the 1949 Allard J1 across 2 subcategories and 8 brands, covering both the 3.6L 221cid V8 and the 3.9L 239cid V8. Each part is matched to the engine(s) it fits.
Do ignition parts differ between 1949 Allard J1 engines?
Some do. 9 parts fit every engine; the other 5 are engine-specific. Each row (and the filter at the top) shows which. If you're unsure which engine you have, check the emissions label under the hood or the 8th character of your VIN.
What are the signs of ignition problems on a 1949 Allard J1?
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 Allard J1?
Notes on this page include pre-set gaps of 0.024", 0.025", 0.03", 0.032", 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 Allard J1 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 Allard J1?
First match the engine — each row shows which engine(s) the part fits. 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 Allard J1
Ignition Parts for Other Allard J1 Years
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