The 1950 MG YT has 18 ignition parts with verified fitment on this page — 4 part types and 9 brands, covering the 1.3L L4 engine. Each part includes a manufacturer part number and application notes.
On the 1950 MG YT, the ignition system delivers spark at the right moment — plugs, coils, wires, distributors and ignition modules. 15 parts of the 18 listed 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.
Every part on this page is matched to the 1.3L L4 — the only engine offered in the 1950 MG YT.
The most listed brands for 1950 MG YT ignition parts are STANDARD MOTOR PRODUCTS (4 parts), WELLS (4 parts) and CHAMPION (2 parts), plus 6 more brands. Quality grades include Standard Replacement, Economy and Premium.
3 parts on this 1950 MG YT 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 CHAMPION 120 (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 |
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 are listed for the 1950 MG YT, from STANDARD MOTOR PRODUCTS, FVP, HOLSTEIN and 2 other brands. STANDARD MOTOR PRODUCTS UC15T carries the "Popular" badge.
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 NGK, STANDARD MOTOR PRODUCTS and WELLS — built to original-equipment specification. NGK 48863 is listed in this group.
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.
3 Ignition Conversion Kit parts for the 1950 MG YT come from WELLS.
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 for the 1950 MG YT come from 3 brands — CHAMPION, AUTOLITE and ACDELCO. The "Popular" part is CHAMPION 120.
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 are listed for the 1950 MG YT, from STANDARD MOTOR PRODUCTS, UNITED MOTOR PRODUCTS and ACDELCO.
The Premium section lists 2 options from STANDARD MOTOR PRODUCTS and UNITED MOTOR PRODUCTS — a step above OE specification in materials, tolerances or warranty terms. STANDARD MOTOR PRODUCTS 55437 is listed in this group.
The Standard Replacement section: 2 options from ACDELCO and STANDARD MOTOR PRODUCTS. ACDELCO 9044Q is listed in this group.
Listed part numbers: STANDARD MOTOR PRODUCTS 55437, UNITED MOTOR PRODUCTS 9403 and ACDELCO 9044Q, plus the other parts above.
Buying Ignition Parts for a 1950 MG YT
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 YT?
Our catalog currently lists 18 ignition parts for the 1950 MG YT 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 YT?
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 YT?
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 YT 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 YT?
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 YT
Ignition Parts for Other MG YT Years
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