This page lists 18 ignition parts for the 1950 MG Ya, across 4 part types, covering the 1.3L L4 engine. Every part shows its brand, manufacturer part number and fitment notes.
The ignition system on the 1950 MG Ya delivers spark at the right moment — plugs, coils, wires, distributors and ignition modules. The largest groups are Ignition Coil (6 parts), Spark Plug (5 parts) and Spark Plug Wire (4 parts). The other 1 part type covers the remaining 3 parts.
The 1950 MG Ya came with a single engine, the 1.3L L4, and every part is verified against it.
9 brands supply ignition parts for the 1950 MG Ya, led by STANDARD MOTOR PRODUCTS (4 parts), WELLS (4 parts) and CHAMPION (2 parts), plus 6 more brands. Quality grades include Standard Replacement, Economy and Premium.
A "Popular" badge means the source catalog flagged the part as frequently chosen for the 1950 MG Ya. 3 parts have it, including STANDARD MOTOR PRODUCTS UC15T (Ignition Coil) and CHAMPION 120 (Spark Plug). Each part number opens a page with 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 |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| NGK Popular | 48863 | 🇺🇸 US | Connections May be Eyelet or Spade | View on Amazon |
| STANDARD MOTOR PRODUCTS | UC15 | 🇺🇸 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.
6 Ignition Coil parts for the 1950 MG Ya come from 5 brands — STANDARD MOTOR PRODUCTS, FVP, HOLSTEIN and 2 other brands. The "Popular" part is STANDARD MOTOR PRODUCTS UC15T.
The Economy section lists 3 options from STANDARD MOTOR PRODUCTS, FVP and HOLSTEIN — the catalog's value-priced group. STANDARD MOTOR PRODUCTS UC15T is listed in this group.
In the Standard Replacement grade, NGK, STANDARD MOTOR PRODUCTS and WELLS supply 3 parts: built to original-equipment specification. A representative part number is NGK 48863.
This group includes STANDARD MOTOR PRODUCTS UC15T, FVP UC15F and HOLSTEIN 2IGC0058 and the remaining parts above.
Ignition Conversion Kit
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WELLS | 1A4224 | 🇺🇸 US | Lucas Distributor # DKY4A, DKYH4A, Lobe Sensor Module12 Volt | View on Amazon |
| WELLS | 1A4149 | 🇺🇸 US | with Lucas Distributor # 45D412 Volt | View on Amazon |
| WELLS | 1A4151 | 🇺🇸 US | Lucas Distributor # DKY4A, with Asymmetric contact Cam, Distributor with part # Suffix from A-D12 Volt | View on Amazon |
This table covers the Ignition Conversion kits.
WELLS supplies the 3 Ignition Conversion Kit parts for the 1950 MG Ya.
This group includes WELLS 1A4224, WELLS 1A4149 and WELLS 1A4151.
Spark Plug
Summary: Notes include pre-set gaps of 0.024", 0.025", 0.026", 0.030" and 0.034". Replacement brands in this table include CHAMPION, AUTOLITE and ACDELCO.
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| CHAMPION Popular | 120 | 🇺🇸 US | Copper PlusPre-Set Gap: 0.026" | View on Amazon |
| ACDELCO | R43XL | 🇺🇸 US 🇨🇦 CA | ProfessionalConventional | View on Amazon |
| AUTOLITE | 4093 | 🇺🇸 US | Copper Non-ResistorPre-Set Gap: 0.030" | View on Amazon |
| AUTOLITE | 403 | 🇺🇸 US | Copper ResistorPre-Set Gap: 0.034" | View on Amazon |
| CHAMPION | 123 | 🇺🇸 US | Copper PlusPre-Set Gap: 0.025" | 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.
5 Spark Plug parts are listed for the 1950 MG Ya, from CHAMPION, AUTOLITE and ACDELCO. CHAMPION 120 carries the "Popular" badge.
This group includes CHAMPION 120, ACDELCO R43XL and AUTOLITE 4093 and the remaining parts above.
Spark Plug Wire
Premium
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS | 55437 | 🇺🇸 US | IntermotorSet | View on Amazon |
| UNITED MOTOR PRODUCTS | 9403 | 🇺🇸 US | SetUnited-Packard | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ACDELCO | 9044Q | 🇺🇸 US 🇨🇦 CA | GoldSet | View on Amazon |
| STANDARD MOTOR PRODUCTS | 29437 | 🇺🇸 US | Pro SeriesSet | View on Amazon |
This table covers the Spark Plug wires.
4 Spark Plug Wire parts for the 1950 MG Ya come from 3 brands — STANDARD MOTOR PRODUCTS, UNITED MOTOR PRODUCTS and ACDELCO.
In the Premium grade, STANDARD MOTOR PRODUCTS and UNITED MOTOR PRODUCTS supply 2 parts: a step above OE specification in materials, tolerances or warranty terms. A representative part number is STANDARD MOTOR PRODUCTS 55437.
Standard Replacement: 2 parts, from ACDELCO and STANDARD MOTOR PRODUCTS. A representative part number is ACDELCO 9044Q.
Part numbers include STANDARD MOTOR PRODUCTS 55437, UNITED MOTOR PRODUCTS 9403 and ACDELCO 9044Q, among others listed above.
Buying Ignition Parts for a 1950 MG Ya
On this vehicle, the ignition system delivers spark at the right moment — plugs, coils, wires, distributors and ignition modules.
- Confirm you have the 1.3L 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 1950 MG Ya?
Our catalog currently lists 18 ignition parts for the 1950 MG Ya across 4 subcategories and 9 brands, covering the 1.3L L4 engine. Each part is matched to the engine(s) it fits.
What are the signs of ignition problems on a 1950 MG Ya?
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 1950 MG Ya?
Notes on this page include pre-set gaps of 0.024", 0.025", 0.026", 0.030" and 0.034". 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 1950 MG Ya 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 1950 MG Ya?
Every part on this page is matched to the 1.3L 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 1950 MG Ya
Ignition Parts for Other MG Ya Years
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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.