1974 Triumph Spitfire Ignition Parts

Engine:
1.5L L4

58 Ignition parts are listed for the 1974 Triumph Spitfire, in 8 part types, covering the 1.5L L4 engine. Each one has a brand, a manufacturer part number and notes that say where it fits.

The ignition system on the 1974 Triumph Spitfire delivers spark at the right moment — plugs, coils, wires, distributors and ignition modules. The largest groups are Spark Plug (26 parts), Ignition Coil (9 parts) and Spark Plug Wire (8 parts). The other 5 part types cover the remaining 15 parts.

Condenser / Capacitor

Economy

Brand Part Number Markets Notes Buy
STANDARD MOTOR PRODUCTS DR60T
🇺🇸 US 🇨🇦 CA
T-SeriesTerminal Type: Blade, Eye-loop
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Standard Replacement

Brand Part Number Markets Notes Buy
ACDELCO D203
🇺🇸 US 🇨🇦 CA
Professional
Fitment notes — ACDELCO D203
Professional
with Delco DistributorHeavy Duty
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UNITED MOTOR PRODUCTS CD001
🇺🇸 US 🇨🇦 CA
Delco
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WELLS 5H1005
🇺🇸 US 🇨🇦 CA
Heavy Duty
Fitment notes — WELLS 5H1005
Heavy Duty
with Delco Distributor
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This table covers the capacitors used in this electrical or A/C circuit.

Distributor Cap

Economy

Brand Part Number Markets Notes Buy
UNITED MOTOR PRODUCTS DC475
🇺🇸 US 🇨🇦 CA
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Premium

Brand Part Number Markets Notes Buy
LILAND GLOBAL DR405LG
🇺🇸 US 🇨🇦 CA
Black Brass
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Standard Replacement

Brand Part Number Markets Notes Buy
STANDARD MOTOR PRODUCTS DR405
🇺🇸 US 🇨🇦 CA
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WELLS 5D1194
🇺🇸 US 🇨🇦 CA
with Delco Ignition
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This table covers the Distributor caps. Typical signs include a leak at the neck, a cap that will not hold pressure, or a missing tether. Match the pressure rating or thread in the notes — radiator, reservoir and fuel caps are not interchangeable.

Distributor Rotor

Economy

Brand Part Number Markets Notes Buy
STANDARD MOTOR PRODUCTS DR158T
🇺🇸 US 🇨🇦 CA
T-Series
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UNITED MOTOR PRODUCTS DR650
🇺🇸 US 🇨🇦 CA
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Standard Replacement

Brand Part Number Markets Notes Buy
STANDARD MOTOR PRODUCTS Popular DR158
🇺🇸 US 🇨🇦 CA
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LILAND GLOBAL DR158LG
🇺🇸 US 🇨🇦 CA
PremiumBlack Brass
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WELLS 4R1056
🇺🇸 US 🇨🇦 CA
with Delco Distributor
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This table covers the Distributor rotors. Typical signs include shudder under braking, or a lip at the outer edge. Do not put new pads on a rotor that is below minimum thickness.

Ignition Coil

Economy

Brand Part Number Markets Notes Buy
STANDARD MOTOR PRODUCTS Popular UC15T
🇺🇸 US 🇨🇦 CA
T-Series
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FVP UC15F
🇺🇸 US 🇨🇦 CA
Alternate Replacement Part
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HOLSTEIN 2IGC0058
🇺🇸 US 🇨🇦 CA
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SKP SKUF3T
🇺🇸 US 🇨🇦 CA
Coil Pack
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SPECTRA PREMIUM C654
🇺🇸 US 🇨🇦 CA
Pack
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WAI GLOBAL CUF3
🇺🇸 US 🇨🇦 CA
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Standard Replacement

Brand Part Number Markets Notes Buy
STANDARD MOTOR PRODUCTS Popular UC15
🇺🇸 US 🇨🇦 CA
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UNITED MOTOR PRODUCTS C15
🇺🇸 US 🇨🇦 CA
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WELLS 5C1057
🇺🇸 US 🇨🇦 CA
Requires External Resistor: YES
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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 1A4179
🇺🇸 US 🇨🇦 CA
Delco Distributor # D204, D200, Distributor marked "made in England"12 Volt
Fitment notes — WELLS 1A4179
Delco Distributor # D204, D200, Distributor marked "made in England"12 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", 0.030", 0.031", 0.032", 0.035", 0.036", 0.040" and 0.044". Replacement brands in this table include NGK, DENSO and CHAMPION.

Copper / Nickel

Brand Part Number Markets Notes Buy
CHAMPION Popular 404
🇺🇸 US 🇨🇦 CA
Copper PlusPre-Set Gap: 0.035"
Fitment notes — CHAMPION 404
Copper PlusPre-Set Gap: 0.035"
OE-Recommended Gap: 0.024"Resistor Plug
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DENSO Popular 3031
🇺🇸 US 🇨🇦 CA
U-Groove ConventionalPre-Set Gap: 0.032"
Fitment notes — DENSO 3031
U-Groove ConventionalPre-Set Gap: 0.032"
Gap .032
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NGK Popular 1233
🇺🇸 US 🇨🇦 CA
V-PowerPre-Set Gap: 0.032"
Fitment notes — NGK 1233
V-PowerPre-Set Gap: 0.032"
OE-Recommended Gap: 0.025 IN
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NGK Popular 7734
🇺🇸 US 🇨🇦 CA
StandardPart Number: BPR5ES
Fitment notes — NGK 7734
StandardPart Number: BPR5ESPre-Set Gap: 0.036"
OE-Recommended Gap: 0.025 IN
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ACDELCO R44F
🇺🇸 US 🇨🇦 CA
ProfessionalConventional
Fitment notes — ACDELCO R44F
ProfessionalConventionalPre-Set Gap: 0.030"
Original Equipment-Recommended Gap: .0251/2" Reach
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ACDELCO R43XLS
🇺🇸 US 🇨🇦 CA
ProfessionalConventional
Fitment notes — ACDELCO R43XLS
ProfessionalConventionalPre-Set Gap: 0.030"
Original Equipment-Recommended Gap: .0253/4" Reach
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AUTOLITE 275
🇺🇸 US 🇨🇦 CA
Copper Non-ResistorPre-Set Gap: 0.025"
Fitment notes — AUTOLITE 275
Copper Non-ResistorPre-Set Gap: 0.025"
Gap .025 (In) 0.6 (mm)1/2 In Reach Spark PlugsOE Style
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BOSCH 7905
🇺🇸 US 🇨🇦 CA
NickelPre-Set Gap: 0.031"
Fitment notes — BOSCH 7905
NickelPre-Set Gap: 0.031"
Original Center Electrode Material is Copper/Nickel
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CHAMPION 38
🇺🇸 US 🇨🇦 CA
Copper PlusPre-Set Gap: 0.032"
Fitment notes — CHAMPION 38
Copper PlusPre-Set Gap: 0.032"
Non-Resistor TypeOE TypeOE-Recommended Gap: 0.024"
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CHAMPION 4041
🇺🇸 US 🇨🇦 CA
Copper PlusClassification: Champion Copper Plus
Fitment notes — CHAMPION 4041
Copper PlusClassification: Champion Copper Plus
OE-Recommended Gap: 0.024"Resistor Plug
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DENSO 3027
🇺🇸 US 🇨🇦 CA
Pre-Set Gap: 0.032"
Fitment notes — DENSO 3027
Pre-Set Gap: 0.032"
Non-Resistor Type RECOMMENDED TYPE
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MOTORCRAFT SP436AX
🇺🇸 US 🇨🇦 CA
Copper
Fitment notes — MOTORCRAFT SP436AX
Copper
OE Style.025"/0.6mm3/4" Reach
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NGK 7327
🇺🇸 US 🇨🇦 CA
V-Power PlugPre-Set Gap: 0.036"
Fitment notes — NGK 7327
V-Power PlugPre-Set Gap: 0.036"
Gap: 0.025
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NGK 4006
🇺🇸 US 🇨🇦 CA
StandardPart Number: BPR5ES Solid
Fitment notes — NGK 4006
StandardPart Number: BPR5ES SolidPre-Set Gap: 0.036"
OE-Recommended Gap: 0.025 IN
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Double Platinum (lasts up to 3x longer than Copper / Nickel)

Brand Part Number Markets Notes Buy
ACDELCO 41804
🇺🇸 US 🇨🇦 CA
ProfessionalDouble Platinum
Fitment notes — ACDELCO 41804
ProfessionalDouble PlatinumPre-Set Gap: 0.035"
3/4 IN Reach SOE-Recommended Gap: 0.025 IN
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AUTOLITE APP64
🇺🇸 US 🇨🇦 CA
Double PlatinumHex Size: 13/16 In
Fitment notes — AUTOLITE APP64
Double PlatinumHex Size: 13/16 InPre-Set Gap: 0.044"
Gap .025 (In) 0.6 (mm)3/4 In Reach Spark Plugs
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CHAMPION 7415
🇺🇸 US 🇨🇦 CA
Double Platinum PowerPre-Set Gap: 0.032"
Fitment notes — CHAMPION 7415
Double Platinum PowerPre-Set Gap: 0.032"
OE-Recommended Gap: 0.024"Resistor Plug
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DENSO 3004
🇺🇸 US 🇨🇦 CA
Double PlatinumPre-Set Gap: 0.044"
Fitment notes — DENSO 3004
Double PlatinumPre-Set Gap: 0.044"
Gap .044
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Iridium (lasts up to 4x longer than Copper / Nickel)

Brand Part Number Markets Notes Buy
NGK Popular 6597
🇺🇸 US 🇨🇦 CA
Iridium IXPre-Set Gap: 0.032"
Fitment notes — NGK 6597
Iridium IXPre-Set Gap: 0.032"
OE-Recommended Gap: 0.025"
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DENSO 5305
🇺🇸 US 🇨🇦 CA
Iridium PowerHex Size: 20.6 mm
Fitment notes — DENSO 5305
Iridium PowerHex Size: 20.6 mmPre-Set Gap: 0.044"
Gap .044
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DENSO 4708
🇺🇸 US 🇨🇦 CA
Iridium TTHex Size: 20.6 mm
Fitment notes — DENSO 4708
Iridium TTHex Size: 20.6 mmPre-Set Gap: 0.040"
Gap .040
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NGK 95525
🇺🇸 US 🇨🇦 CA
Iridium IX
Fitment notes — NGK 95525
Iridium IX
OE-Recommended Gap: 0.025 IN
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SKP SP1042
🇺🇸 US 🇨🇦 CA
Tapered Ground Electrode with Platinum Chip
Fitment notes — SKP SP1042
Tapered Ground Electrode with Platinum Chip
3/4 ReachGap: .025
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Platinum (lasts up to 2x longer than Copper / Nickel)

Brand Part Number Markets Notes Buy
NGK Popular 7082
🇺🇸 US 🇨🇦 CA
G-PowerPre-Set Gap: 0.040"
Fitment notes — NGK 7082
G-PowerPre-Set Gap: 0.040"
OE-Recommended Gap: 0.025 IN
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DENSO 4501
🇺🇸 US 🇨🇦 CA
Platinum TTTerminal Cap is Non-Removable
Fitment notes — DENSO 4501
Platinum TTTerminal Cap is Non-Removable
Gap .040
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Brand Part Number Markets Notes Buy
ACDELCO 44XLS
🇺🇸 US 🇨🇦 CA
Non Resistor
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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 Non-Fouler

Brand Part Number Markets Notes Buy
DORMAN 42004
🇨🇦 CA
14mm Gasket Seat Long Reach
Fitment notes — DORMAN 42004
14mm Gasket Seat Long Reach
14 mm Gasket Seat3/4 In. Reach
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This table covers the non-foulers that space a spark plug away from oil fouling.

Spark Plug Wire

Economy

Brand Part Number Markets Notes Buy
B&B S428224
🇺🇸 US 🇨🇦 CA
Suppressor Wire Set
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Premium

Brand Part Number Markets Notes Buy
STANDARD MOTOR PRODUCTS Popular 55437
🇺🇸 US 🇨🇦 CA
IntermotorSet
Fitment notes — STANDARD MOTOR PRODUCTS 55437
IntermotorSetCore Material: Suppression CoreInsulation: Epdm
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DENSO 6714114
🇨🇦 CA
Spark Plug Wire Set7mm
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UNITED MOTOR PRODUCTS 9403
🇺🇸 US 🇨🇦 CA
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
STANDARD MOTOR PRODUCTS Popular 29437
🇺🇸 US 🇨🇦 CA
Pro SeriesSet
Fitment notes — STANDARD MOTOR PRODUCTS 29437
Pro SeriesSetCore Material: Silicone Suppression CoreOutside Diameter: 13
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ACDELCO 9044Q
🇺🇸 US 🇨🇦 CA
GoldSet
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B&B M428224
🇺🇸 US 🇨🇦 CA
Platinum Class Laser Mag
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WALKER PRODUCTS 9241092
🇺🇸 US 🇨🇦 CA
Direct FitSet
Fitment notes — WALKER PRODUCTS 9241092
Direct FitSetSuppression Core
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This table covers the Spark Plug wires.

Buying Ignition Parts for a 1974 Triumph Spitfire

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: Spark Plug and Ignition Coil .

Frequently Asked Questions

How many ignition parts fit the 1974 Triumph Spitfire?

Our catalog currently lists 58 ignition parts for the 1974 Triumph Spitfire across 8 subcategories and 19 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 1974 Triumph Spitfire?

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 1974 Triumph Spitfire?

Notes on this page include pre-set gaps of 0.024", 0.025", 0.030", 0.031", 0.032", 0.035", 0.036", 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 1974 Triumph Spitfire 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 1974 Triumph Spitfire?

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 1974 Triumph Spitfire

Ignition Parts for Other Triumph Spitfire 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.