1955 MG TF Ignition Parts

Engine:
1.5L L4

This page lists 22 ignition parts for the 1955 MG TF, across 4 part types, covering the 1.5L L4 engine. Every part shows its brand, manufacturer part number and fitment notes.

On the 1955 MG TF, the ignition system delivers spark at the right moment — plugs, coils, wires, distributors and ignition modules. 21 parts of the 22 listed are Ignition Coil (9 parts), Spark Plug (8 parts) and Spark Plug Wire (4 parts). The other 1 part type covers the remaining 1 part.

Ignition Coil

Economy

Brand Part Number Markets Notes Buy
STANDARD MOTOR PRODUCTS Popular UC15T
🇺🇸 US
T-Series
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FVP UC15F
🇺🇸 US
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HOLSTEIN 2IGC0058
🇺🇸 US
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SKP SKUC15T
🇺🇸 US
Coil Pack
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SPECTRA PREMIUM C622
🇺🇸 US
Pack
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Standard Replacement

Brand Part Number Markets Notes Buy
NGK Popular 48863
🇺🇸 US
12 VoltInternal Resistor Coil
Fitment notes — NGK 48863
12 VoltInternal Resistor CoilConnections May be Eyelet or Spade
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STANDARD MOTOR PRODUCTS UC15
🇺🇸 US
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UNITED MOTOR PRODUCTS C15
🇺🇸 US
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WELLS 5C1019
🇺🇸 US
Used on most import products with 12 Volt system with Internal resistorUniversal 12 Volt Coil
Fitment notes — WELLS 5C1019
Used on most import products with 12 Volt system with Internal resistorUniversal 12 Volt Coil
12 VOLT
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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.

Ignition Conversion Kit

Brand Part Number Markets Notes Buy
WELLS 1A4149
🇺🇸 US
with Lucas Distributor # 45D412 Volt
Fitment notes — WELLS 1A4149
with Lucas Distributor # 45D412 VoltNegative Ground
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This table covers the Ignition Conversion kits.

Spark Plug

Summary: Notes include pre-set gaps of 0.024", 0.025", 0.026", 0.030", 0.032", 0.040" and 0.044". Replacement brands in this table include DENSO, CHAMPION and ACDELCO.

Copper / Nickel

Brand Part Number Markets Notes Buy
ACDELCO Popular R44F
🇺🇸 US 🇨🇦 CA
ProfessionalConventional
Fitment notes — ACDELCO R44F
ProfessionalConventionalPre-Set Gap: 0.030"
Original Equipment-Recommended Gap: .025
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CHAMPION Popular 120
🇺🇸 US
Copper PlusPre-Set Gap: 0.026"
Fitment notes — CHAMPION 120
Copper PlusPre-Set Gap: 0.026"
OE TypeOE-Recommended Gap: 0.024"Non-Resistor Plug
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AUTOLITE 414
🇺🇸 US
Copper Non-ResistorPre-Set Gap: 0.025"
Fitment notes — AUTOLITE 414
Copper Non-ResistorPre-Set Gap: 0.025"
Gap .025 (In) 0.6 (mm)OE Style
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CHAMPION 123
🇺🇸 US
Copper PlusPre-Set Gap: 0.025"
Fitment notes — CHAMPION 123
Copper PlusPre-Set Gap: 0.025"
OE-Recommended Gap: 0.024"Resistor Plug
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DENSO 3051
🇺🇸 US
U-Groove ConventionalPre-Set Gap: 0.032"
Fitment notes — DENSO 3051
U-Groove ConventionalPre-Set Gap: 0.032"
Gap .032
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Iridium (lasts up to 4x longer than Copper / Nickel)

Brand Part Number Markets Notes Buy
DENSO 5306
🇺🇸 US
Iridium PowerHex Size: 20.6 mm
Fitment notes — DENSO 5306
Iridium PowerHex Size: 20.6 mmPre-Set Gap: 0.044"
Gap .044
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DENSO 4709
🇺🇸 US
Iridium TTSolid Terminal
Fitment notes — DENSO 4709
Iridium TTSolid Terminal
Gap .040
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Platinum (lasts up to 2x longer than Copper / Nickel)

Brand Part Number Markets Notes Buy
DENSO 4502
🇺🇸 US
Platinum TTSolid Terminal
Fitment notes — DENSO 4502
Platinum TTSolid Terminal
Gap .040
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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.

Spark Plug Wire

Premium

Brand Part Number Markets Notes Buy
STANDARD MOTOR PRODUCTS 55437
🇺🇸 US
IntermotorSet
Fitment notes — STANDARD MOTOR PRODUCTS 55437
IntermotorSetCore Material: Suppression CoreInsulation: Epdm
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UNITED MOTOR PRODUCTS 9403
🇺🇸 US
SetUnited-Packard
Fitment notes — UNITED MOTOR PRODUCTS 9403
SetUnited-Packard
with Straight Spark Plug Boots
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Standard Replacement

Brand Part Number Markets Notes Buy
ACDELCO 9044Q
🇺🇸 US 🇨🇦 CA
GoldSet
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STANDARD MOTOR PRODUCTS 29437
🇺🇸 US
Pro SeriesSet
Fitment notes — STANDARD MOTOR PRODUCTS 29437
Pro SeriesSetCore Material: Silicone Suppression CoreOutside Diameter: 13
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This table covers the Spark Plug wires.

Buying Ignition Parts for a 1955 MG TF

On this vehicle, the ignition system delivers spark at the right moment — plugs, coils, wires, distributors and ignition modules.

  • Confirm you have the 1.5L 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 MG TF?

Our catalog currently lists 22 ignition parts for the 1955 MG TF across 4 subcategories and 12 brands, covering the 1.5L L4 engine. Each part is matched to the engine(s) it fits.

What are the signs of ignition problems on a 1955 MG TF?

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 MG TF?

Notes on this page include pre-set gaps of 0.024", 0.025", 0.026", 0.030", 0.032", 0.040" and 0.044". 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 MG TF 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 MG TF?

Every part on this page is matched to the 1.5L 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 MG TF

Ignition Parts for Other MG TF 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.