16 Ignition parts are listed for the 1955 Riley Pathfinder, in 3 part types, covering the 2.4L L4 engine. Each one has a brand, a manufacturer part number and notes that say where it fits.
On the 1955 Riley Pathfinder, the ignition system delivers spark at the right moment — plugs, coils, wires, distributors and ignition modules. All 16 listed parts are Ignition Coil (8 parts), Spark Plug (7 parts) and Ignition Conversion Kit (1 part).
Every part on this page is matched to the 2.4L L4 — the only engine offered in the 1955 Riley Pathfinder.
The most listed brands for 1955 Riley Pathfinder ignition parts are STANDARD MOTOR PRODUCTS (2 parts), WELLS (2 parts) and CHAMPION (2 parts), plus 8 more brands. Quality grades include Copper / Nickel, Economy and Standard Replacement.
4 parts on this 1955 Riley Pathfinder 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 R44XLS (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 | UC15T | 🇺🇸 US | T-Series | View on Amazon |
| FVP | UC15F | 🇺🇸 US | View on Amazon | |
| HOLSTEIN | 2IGC0058 | 🇺🇸 US | View on Amazon | |
| SKP | SKUC15T | 🇺🇸 US | Coil Pack | View on Amazon |
| SPECTRA PREMIUM | C622 | 🇺🇸 US | Pack | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Popular | UC15 | 🇺🇸 US | View on Amazon | |
| UNITED MOTOR PRODUCTS | C15 | 🇺🇸 US | View on Amazon | |
| WELLS | 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.
8 Ignition Coil parts are listed for the 1955 Riley Pathfinder, from STANDARD MOTOR PRODUCTS, FVP, HOLSTEIN and 4 other brands. STANDARD MOTOR PRODUCTS UC15T carries the "Popular" badge.
In the Economy grade, STANDARD MOTOR PRODUCTS, FVP, HOLSTEIN and 2 other brands supply 5 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.
Ignition Conversion Kit
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WELLS | 1A4153 | 🇺🇸 US | Lucas Distributor # DM2P4, Late DM2 Distributor12 Volt | View on Amazon |
This table covers the Ignition Conversion kits.
This group shows a single part: WELLS 1A4153.
Spark Plug
Summary: Notes include pre-set gaps of 0.025", 0.026", 0.035" and 0.039". Replacement brands in this table include CHAMPION, MOTORCRAFT and AUTOLITE.
Copper / Nickel
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ACDELCO Popular | R44XLS | 🇺🇸 US 🇨🇦 CA | ProfessionalConventional | View on Amazon |
| CHAMPION Popular | 120 | 🇺🇸 US | Copper PlusPre-Set Gap: 0.026" | View on Amazon |
| CHAMPION | 123 | 🇺🇸 US | Copper PlusPre-Set Gap: 0.025" | View on Amazon |
| MOTORCRAFT | SP416A | 🇺🇸 US | Copper | View on Amazon |
| MOTORCRAFT | SP416X | 🇺🇸 US | Copper | View on Amazon |
Double Platinum (lasts up to 3x longer than Copper / Nickel)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| AUTOLITE | APP65 | 🇺🇸 US | Double PlatinumPre-Set Gap: 0.035" | View on Amazon |
Platinum (lasts up to 2x longer than Copper / Nickel)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| AUTOLITE | AP65 | 🇺🇸 US | Platinum Spark PlugDisplay Pack | 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.
7 Spark Plug parts for the 1955 Riley Pathfinder come from 4 brands — CHAMPION, MOTORCRAFT, AUTOLITE and 1 other brand. The "Popular" part is ACDELCO R44XLS.
The Copper / Nickel section lists 5 options from CHAMPION, MOTORCRAFT and ACDELCO — grouped under the catalog's "Copper / Nickel" designation — the notes column spells out what sets them apart. ACDELCO R44XLS is listed in this group.
The Double Platinum (lasts up to 3x longer than Copper / Nickel) section lists 1 option from AUTOLITE — 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. AUTOLITE APP65 is listed in this group.
The Platinum (lasts up to 2x longer than Copper / Nickel) section lists 1 option from AUTOLITE — grouped under the catalog's "Platinum (lasts up to 2x longer than Copper / Nickel)" designation — the notes column spells out what sets them apart. AUTOLITE AP65 is listed in this group.
This group includes ACDELCO R44XLS, CHAMPION 120 and CHAMPION 123 and the remaining parts above.
Buying Ignition Parts for a 1955 Riley Pathfinder
On this vehicle, the ignition system delivers spark at the right moment — plugs, coils, wires, distributors and ignition modules.
- Confirm you have the 2.4L L4 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 1955 Riley Pathfinder?
Our catalog currently lists 16 ignition parts for the 1955 Riley Pathfinder across 3 subcategories and 11 brands, covering the 2.4L L4 engine. Each part is matched to the engine(s) it fits.
What are the signs of ignition problems on a 1955 Riley Pathfinder?
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 1955 Riley Pathfinder?
Notes on this page include pre-set gaps of 0.025", 0.026", 0.035" and 0.039". 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 1955 Riley Pathfinder 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 1955 Riley Pathfinder?
Every part on this page is matched to the 2.4L L4 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 1955 Riley Pathfinder
Ignition Parts for Other Riley Pathfinder Years
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