16 Ignition parts are listed for the 1983 Morgan 4/4, in 1 part type, covering the 1.6L L4 OHV engine. Each one has a brand, a manufacturer part number and notes that say where it fits.
The ignition system on the 1983 Morgan 4/4 delivers spark at the right moment — plugs, coils, wires, distributors and ignition modules. Every listed part is a Spark Plug.
Every part on this page is matched to the 1.6L L4 OHV — the only engine offered in the 1983 Morgan 4/4.
The most listed brands for 1983 Morgan 4/4 ignition parts are ACDELCO (4 parts), CHAMPION (4 parts) and NGK (4 parts), plus 3 more brands. Quality grades include Copper / Nickel, Iridium and Platinum.
4 parts on this 1983 Morgan 4/4 page carry a "Popular" badge — the source catalog's flag for options frequently chosen for this vehicle — including ACDELCO 41602 (Spark Plug) and AUTOLITE XP3922 (Spark Plug). Click any part number to see every vehicle that part fits.
Spark Plug
Summary: Notes include pre-set gaps of 0.025", 0.028", 0.032", 0.034", 0.035", 0.036", 0.039", 0.040" and 0.041". Replacement brands in this table include ACDELCO, CHAMPION and NGK.
Copper / Nickel
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ACDELCO Popular | 41602 | 🇺🇸 US 🇨🇦 CA | ProfessionalConventional | View on Amazon |
| ACDELCO | FR1LS | 🇺🇸 US 🇨🇦 CA | Package .025 Gap | View on Amazon |
| BOSCH | 7924 | 🇺🇸 US | Nickel | View on Amazon |
| CHAMPION | 340 | 🇺🇸 US | Copper PlusPre-Set Gap: 0.035" | View on Amazon |
| NGK | 3735 | 🇺🇸 US | V-PowerPre-Set Gap: 0.036" | View on Amazon |
| NGK | 2330 | 🇺🇸 US | StandardPre-Set Gap: 0.036" | View on Amazon |
Double Platinum (lasts up to 3x longer than Copper / Nickel)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ACDELCO | 41829 | 🇺🇸 US 🇨🇦 CA | ProfessionalDouble Platinum | View on Amazon |
| CHAMPION | 7545 | 🇺🇸 US | Double Platinum PowerPre-Set Gap: 0.039" | View on Amazon |
Iridium (lasts up to 4x longer than Copper / Nickel)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| AUTOLITE Popular | XP3922 | 🇺🇸 US | Iridium XPPre-Set Gap: 0.040" | View on Amazon |
| AUTOLITE | AI3922 | 🇺🇸 US | Iridium Ultra | View on Amazon |
| CHAMPION | 9770 | 🇺🇸 US | IridiumPre-Set Gap: 0.034" | View on Amazon |
| NGK | 5689 | 🇺🇸 US | Iridium IXPre-Set Gap: 0.032" | View on Amazon |
| SKP | SP1011 | 🇺🇸 US | Tapered Ground Electrode with Platinum Chip | View on Amazon |
Platinum (lasts up to 2x longer than Copper / Nickel)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ACDELCO Popular | 19 | 🇺🇸 US 🇨🇦 CA | ProfessionalRapidfire | View on Amazon |
| NGK Popular | 7088 | 🇺🇸 US | G-PowerPre-Set Gap: 0.040" | View on Amazon |
| CHAMPION | 3340 | 🇺🇸 US | Platinum PowerPre-Set Gap: 0.04" | 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.
16 Spark Plug parts for the 1983 Morgan 4/4 come from 6 brands — ACDELCO, CHAMPION, NGK and 3 other brands. The "Popular" part is ACDELCO 41602.
The Copper / Nickel section lists 6 options from ACDELCO, NGK, BOSCH and 1 other brand — grouped under the catalog's "Copper / Nickel" designation — the notes column spells out what sets them apart. ACDELCO 41602 is listed in this group.
The Double Platinum (lasts up to 3x longer than Copper / Nickel) section lists 2 options from ACDELCO and CHAMPION — 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. ACDELCO 41829 is listed in this group.
In the Iridium (lasts up to 4x longer than Copper / Nickel) grade, AUTOLITE, CHAMPION, NGK and 1 other brand supply 5 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 AUTOLITE XP3922.
The Platinum (lasts up to 2x longer than Copper / Nickel) section lists 3 options from ACDELCO, NGK and CHAMPION — grouped under the catalog's "Platinum (lasts up to 2x longer than Copper / Nickel)" designation — the notes column spells out what sets them apart. ACDELCO 19 is listed in this group.
Buying Ignition Parts for a 1983 Morgan 4/4
On this vehicle, the ignition system delivers spark at the right moment — plugs, coils, wires, distributors and ignition modules.
- Confirm you have the 1.6L L4 OHV 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 .
Frequently Asked Questions
How many ignition parts fit the 1983 Morgan 4/4?
Our catalog currently lists 16 ignition parts for the 1983 Morgan 4/4 across 1 subcategory and 6 brands, covering the 1.6L L4 OHV engine. Each part is matched to the engine(s) it fits.
What are the signs of ignition problems on a 1983 Morgan 4/4?
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 1983 Morgan 4/4?
Notes on this page include pre-set gaps of 0.025", 0.028", 0.032", 0.034", 0.035", 0.036", 0.039", 0.040" and 0.041". 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 1983 Morgan 4/4 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 1983 Morgan 4/4?
Every part on this page is matched to the 1.6L L4 OHV 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 1983 Morgan 4/4
Ignition Parts for Other Morgan 4/4 Years
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