8 Ignition parts are listed for the 1972 Marcos GT, in 2 part types, covering the 3.0L L6 engine. Each one has a brand, a manufacturer part number and notes that say where it fits.
The ignition system on the 1972 Marcos GT delivers spark at the right moment — plugs, coils, wires, distributors and ignition modules. All 8 listed parts are Ignition Coil (4 parts) and Spark Plug (4 parts).
The 1972 Marcos GT came with a single engine, the 3.0L L6, and every part is verified against it.
7 brands supply ignition parts for the 1972 Marcos GT, led by STANDARD MOTOR PRODUCTS (2 parts), FVP (1 part) and WELLS (1 part), plus 4 more brands. Quality grades include Copper / Nickel, Economy and Iridium.
Each part number listed for the 1972 Marcos GT opens a page with every vehicle that part fits.
Ignition Coil
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FVP | UC15F | 🇺🇸 US | with 12 Volt Systemwithout External Resistor | View on Amazon |
| STANDARD MOTOR PRODUCTS | UC15T | 🇺🇸 US | T-Series | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS | UC15 | 🇺🇸 US | with 12 Volt Systemwithout External Resistor | 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.
4 Ignition Coil parts for the 1972 Marcos GT come from 3 brands — STANDARD MOTOR PRODUCTS, FVP and WELLS.
The Economy section lists 2 options from FVP and STANDARD MOTOR PRODUCTS — the catalog's value-priced group. FVP UC15F is listed in this group.
In the Standard Replacement grade, STANDARD MOTOR PRODUCTS and WELLS supply 2 parts: built to original-equipment specification. A representative part number is STANDARD MOTOR PRODUCTS UC15.
Listed part numbers: FVP UC15F, STANDARD MOTOR PRODUCTS UC15T and STANDARD MOTOR PRODUCTS UC15, plus the other parts above.
Spark Plug
Copper / Nickel
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ACDELCO | R42XLS | 🇺🇸 US 🇨🇦 CA | ProfessionalConventional | View on Amazon |
| CHAMPION | 929 | 🇺🇸 US | Copper PlusPre-Set Gap: 0.035" | View on Amazon |
Iridium (lasts up to 4x longer than Copper / Nickel)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| AUTOLITE | XP63 | 🇺🇸 US | Iridium XPDisplay Pack | View on Amazon |
| SKP | SP1041 | 🇺🇸 US | Tapered Ground Electrode with Platinum Chip | 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.
4 Spark Plug parts are listed for the 1972 Marcos GT, from ACDELCO, CHAMPION, AUTOLITE and 1 other brand.
In the Copper / Nickel grade, ACDELCO and CHAMPION supply 2 parts: grouped under the catalog's "Copper / Nickel" designation — the notes column spells out what sets them apart. A representative part number is ACDELCO R42XLS.
The Iridium (lasts up to 4x longer than Copper / Nickel) section lists 2 options from AUTOLITE and SKP — grouped under the catalog's "Iridium (lasts up to 4x longer than Copper / Nickel)" designation — the notes column spells out what sets them apart. AUTOLITE XP63 is listed in this group.
Part numbers include ACDELCO R42XLS, CHAMPION 929 and AUTOLITE XP63, among others listed above.
Buying Ignition Parts for a 1972 Marcos GT
On this vehicle, the ignition system delivers spark at the right moment — plugs, coils, wires, distributors and ignition modules.
- Confirm you have the 3.0L L6 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 1972 Marcos GT?
Our catalog currently lists 8 ignition parts for the 1972 Marcos GT across 2 subcategories and 7 brands, covering the 3.0L L6 engine. Each part is matched to the engine(s) it fits.
What are the signs of ignition problems on a 1972 Marcos GT?
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 1972 Marcos GT?
Notes on this page include pre-set gaps of 0.025", 0.028", 0.032" and 0.035". 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 1972 Marcos GT 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 1972 Marcos GT?
Every part on this page is matched to the 3.0L L6 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 1972 Marcos GT
Ignition Parts for Other Marcos GT Years
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