14 Ignition parts are listed for the 1981 Lamborghini Countach, in 3 part types, covering the 3.9L V12 engine. Each one has a brand, a manufacturer part number and notes that say where it fits.
On the 1981 Lamborghini Countach, the ignition system delivers spark at the right moment — plugs, coils, wires, distributors and ignition modules. All 14 listed parts are Spark Plug (11 parts), Ignition Coil (2 parts) and Ignition Conversion Kit (1 part).
Every part on this page is matched to the 3.9L V12 — the only engine offered in the 1981 Lamborghini Countach.
The most listed brands for 1981 Lamborghini Countach ignition parts are CHAMPION (5 parts), NGK (3 parts) and ACDELCO (2 parts), plus 2 more brands. Quality grades include Copper / Nickel, Double Platinum and Iridium.
3 parts on this 1981 Lamborghini Countach page carry a "Popular" badge — the source catalog's flag for options frequently chosen for this vehicle — including NGK 5534 (Spark Plug) and CHAMPION 7415 (Spark Plug). Click any part number to see every vehicle that part fits.
Ignition Coil
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ACDELCO | U505 | 🇺🇸 US 🇨🇦 CA | Professional | View on Amazon |
| WELLS | 5C1026 | 🇺🇸 US | Requires External Resistor: YES | 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.
2 Ignition Coil parts are listed for the 1981 Lamborghini Countach, from ACDELCO and WELLS.
Listed part numbers: ACDELCO U505 and WELLS 5C1026.
Ignition Conversion Kit
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WELLS | 1A4182 | 🇺🇸 US | Marelli Distributor # S85B, C, CA, Dual contact Distributor, Counter clockwise rotation, Dual Distributor applications, Kit Contains 1 module for each Distributor, with 3 lobe contact cam12 Volt | View on Amazon |
This table covers the Ignition Conversion kits.
This group shows a single part: WELLS 1A4182.
Spark Plug
Summary: Notes include pre-set gaps of 0.024", 0.025", 0.028", 0.030", 0.032" and 0.035". Replacement brands in this table include CHAMPION, NGK and AUTOLITE.
Copper / Nickel
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| NGK Popular | 5534 | 🇺🇸 US | StandardPre-Set Gap: 0.032" | View on Amazon |
| AUTOLITE | 4063 | 🇺🇸 US | Copper ResistorResistance: 5000 OHM | View on Amazon |
| CHAMPION | 315 | 🇺🇸 US | Copper PlusPre-Set Gap: 0.025" | View on Amazon |
| CHAMPION | 332 | 🇺🇸 US | Copper PlusPre-Set Gap: 0.025" | View on Amazon |
| CHAMPION | 3321 | 🇺🇸 US | Copper Plus | View on Amazon |
Double Platinum (lasts up to 3x longer than Copper / Nickel)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| CHAMPION Popular | 7415 | 🇺🇸 US | Double Platinum PowerPre-Set Gap: 0.032" | View on Amazon |
| ACDELCO | 41804 | 🇺🇸 US 🇨🇦 CA | ProfessionalDouble Platinum | View on Amazon |
| NGK | 3200 | 🇺🇸 US | Laser PlatinumPre-Set Gap: 0.028" | View on Amazon |
Iridium (lasts up to 4x longer than Copper / Nickel)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| CHAMPION Popular | 9804 | 🇺🇸 US | IridiumPre-Set Gap: 0.03" | View on Amazon |
| AUTOLITE | XS4063 | 🇺🇸 US | Xtreme Sport Spark PlugManufacturer Heat Range: 14 | View on Amazon |
| NGK | 4055 | 🇺🇸 US | Iridium IXPre-Set Gap: 0.032" | 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.
11 Spark Plug parts for the 1981 Lamborghini Countach come from 4 brands — CHAMPION, NGK, AUTOLITE and 1 other brand. The "Popular" part is NGK 5534.
The Copper / Nickel section lists 5 options from CHAMPION, NGK and AUTOLITE — grouped under the catalog's "Copper / Nickel" designation — the notes column spells out what sets them apart. NGK 5534 is listed in this group.
The Double Platinum (lasts up to 3x longer than Copper / Nickel) section lists 3 options from CHAMPION, ACDELCO and NGK — grouped under the catalog's "Double Platinum (lasts up to 3x longer than Copper / Nickel)" designation — the notes column spells out what sets them apart. CHAMPION 7415 is listed in this group.
In the Iridium (lasts up to 4x longer than Copper / Nickel) grade, CHAMPION, AUTOLITE and NGK supply 3 parts: grouped under the catalog's "Iridium (lasts up to 4x longer than Copper / Nickel)" designation — the notes column spells out what sets them apart. A representative part number is CHAMPION 9804.
Buying Ignition Parts for a 1981 Lamborghini Countach
On this vehicle, the ignition system delivers spark at the right moment — plugs, coils, wires, distributors and ignition modules.
- Confirm you have the 3.9L V12 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 1981 Lamborghini Countach?
Our catalog currently lists 14 ignition parts for the 1981 Lamborghini Countach across 3 subcategories and 5 brands, covering the 3.9L V12 engine. Each part is matched to the engine(s) it fits.
What are the signs of ignition problems on a 1981 Lamborghini Countach?
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 1981 Lamborghini Countach?
Notes on this page include pre-set gaps of 0.024", 0.025", 0.028", 0.030", 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 1981 Lamborghini Countach 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 1981 Lamborghini Countach?
Every part on this page is matched to the 3.9L V12 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 1981 Lamborghini Countach
Ignition Parts for Other Lamborghini Countach Years
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