This page lists 26 ignition parts for the 1990 Lotus Esprit, across 3 part types, covering the 2.2L L4 Turbocharged engine. Every part shows its brand, manufacturer part number and fitment notes.
On the 1990 Lotus Esprit, the ignition system delivers spark at the right moment — plugs, coils, wires, distributors and ignition modules. All 26 listed parts are Spark Plug (17 parts), Ignition Coil (8 parts) and Spark Plug Non-Fouler (1 part).
The 1990 Lotus Esprit came with a single engine, the 2.2L L4 Turbocharged, and every part is verified against it.
11 brands supply ignition parts for the 1990 Lotus Esprit, led by NGK (7 parts), ACDELCO (4 parts) and CHAMPION (4 parts), plus 8 more brands. Quality grades include Copper / Nickel, Iridium and Economy.
A "Popular" badge means the source catalog flagged the part as frequently chosen for the 1990 Lotus Esprit. 6 parts have it, including SKP SKIC021 (Ignition Coil) and ACDELCO R42XLS (Spark Plug). Each part number opens a page with every vehicle that part fits.
Ignition Coil
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SKP Popular | SKIC021 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| STANDARD MOTOR PRODUCTS Popular | DR39T | 🇺🇸 US 🇨🇦 CA | T-Series | View on Amazon |
| FVP | DR39F | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| HOLSTEIN | 2IGC0005 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
Premium
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS | DR39 | 🇺🇸 US 🇨🇦 CA | Blue Streak | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ACDELCO | E530C | 🇺🇸 US 🇨🇦 CA | Gold | View on Amazon |
| NGK | 48780 | 🇺🇸 US 🇨🇦 CA | Includes Seal | View on Amazon |
| WELLS | 5C1058 | 🇺🇸 US 🇨🇦 CA | Ignition Type: Distributorless | 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.
8 Ignition Coil parts for the 1990 Lotus Esprit come from 7 brands — STANDARD MOTOR PRODUCTS, SKP, FVP and 4 other brands. The "Popular" part is SKP SKIC021.
The Economy section lists 4 options from SKP, STANDARD MOTOR PRODUCTS, FVP and 1 other brand — the catalog's value-priced group. SKP SKIC021 is listed in this group.
In the Premium grade, STANDARD MOTOR PRODUCTS supplies 1 part: a step above OE specification in materials, tolerances or warranty terms. A representative part number is STANDARD MOTOR PRODUCTS DR39.
In the Standard Replacement grade, ACDELCO, NGK and WELLS supply 3 parts: built to original-equipment specification. A representative part number is ACDELCO E530C.
This group includes SKP SKIC021, STANDARD MOTOR PRODUCTS DR39T and FVP DR39F and the remaining parts above.
Spark Plug
Summary: Notes include pre-set gaps of 0.024", 0.025", 0.03", 0.031", 0.032", 0.035", 0.040" and 0.041". Replacement brands in this table include NGK, CHAMPION and ACDELCO.
Copper / Nickel
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ACDELCO Popular | R42XLS | 🇺🇸 US 🇨🇦 CA | ProfessionalConventional | View on Amazon |
| NGK Popular | 5534 | 🇺🇸 US | StandardPre-Set Gap: 0.032" | View on Amazon |
| BOSCH | 7992 | 🇺🇸 US 🇨🇦 CA | NickelPre-Set Gap: 0.031" | View on Amazon |
| CHAMPION | 332 | 🇺🇸 US 🇨🇦 CA | Copper PlusPre-Set Gap: 0.025" | View on Amazon |
| CHAMPION | 3321 | 🇺🇸 US 🇨🇦 CA | Copper Plus | View on Amazon |
| DENSO | 3088 | 🇺🇸 US 🇨🇦 CA | U-Groove ConventionalPre-Set Gap: 0.032" | View on Amazon |
| NGK | 1128 | 🇨🇦 CA | Standard | View on Amazon |
| NGK | 6757 | 🇨🇦 CA | StandardPre-Set Gap: 0.032" | View on Amazon |
Double Platinum (lasts up to 3x longer than Copper / Nickel)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ACDELCO | 41804 | 🇺🇸 US 🇨🇦 CA | ProfessionalDouble Platinum | View on Amazon |
| CHAMPION | 7415 | 🇺🇸 US 🇨🇦 CA | Double Platinum PowerPre-Set Gap: 0.032" | View on Amazon |
Iridium (lasts up to 4x longer than Copper / Nickel)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| NGK Popular | 6637 | 🇨🇦 CA | Iridium IXPre-Set Gap: 0.032" | View on Amazon |
| CHAMPION | 9804 | 🇺🇸 US 🇨🇦 CA | IridiumPre-Set Gap: 0.03" | View on Amazon |
| DENSO | 5307 | 🇺🇸 US 🇨🇦 CA | Iridium PowerPre-Set Gap: 0.032" | View on Amazon |
| NGK | 4055 | 🇺🇸 US | Iridium IXPre-Set Gap: 0.032" | View on Amazon |
| SKP | SP1041 | 🇺🇸 US 🇨🇦 CA | Tapered Ground Electrode with Platinum Chip | View on Amazon |
Platinum (lasts up to 2x longer than Copper / Nickel)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| NGK Popular | 7084 | 🇨🇦 CA | G-PowerPre-Set Gap: 0.040" | View on Amazon |
| ACDELCO | 4 | 🇺🇸 US 🇨🇦 CA | ProfessionalRapidfire | 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.
17 Spark Plug parts are listed for the 1990 Lotus Esprit, from NGK, CHAMPION, ACDELCO and 3 other brands. ACDELCO R42XLS carries the "Popular" badge.
In the Copper / Nickel grade, NGK, CHAMPION, ACDELCO and 2 other brands supply 8 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.
In the Double Platinum (lasts up to 3x longer than Copper / Nickel) grade, ACDELCO and CHAMPION supply 2 parts: 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. A representative part number is ACDELCO 41804.
The Iridium (lasts up to 4x longer than Copper / Nickel) section lists 5 options from NGK, CHAMPION, DENSO and 1 other brand — grouped under the catalog's "Iridium (lasts up to 4x longer than Copper / Nickel)" designation — the notes column spells out what sets them apart. NGK 6637 is listed in this group.
In the Platinum (lasts up to 2x longer than Copper / Nickel) grade, NGK and ACDELCO supply 2 parts: grouped under the catalog's "Platinum (lasts up to 2x longer than Copper / Nickel)" designation — the notes column spells out what sets them apart. A representative part number is NGK 7084.
Spark Plug Non-Fouler
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DORMAN | 42004 | 🇺🇸 US 🇨🇦 CA | 14mm Gasket Seat Long Reach | View on Amazon |
This table covers the non-foulers that space a spark plug away from oil fouling.
This group shows a single part: DORMAN 42004.
Buying Ignition Parts for a 1990 Lotus Esprit
On this vehicle, the ignition system delivers spark at the right moment — plugs, coils, wires, distributors and ignition modules.
- Confirm you have the 2.2L L4 Turbocharged 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 1990 Lotus Esprit?
Our catalog currently lists 26 ignition parts for the 1990 Lotus Esprit across 3 subcategories and 11 brands, covering the 2.2L L4 Turbocharged engine. Each part is matched to the engine(s) it fits.
What are the signs of ignition problems on a 1990 Lotus Esprit?
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 1990 Lotus Esprit?
Notes on this page include pre-set gaps of 0.024", 0.025", 0.03", 0.031", 0.032", 0.035", 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 1990 Lotus Esprit 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 1990 Lotus Esprit?
Every part on this page is matched to the 2.2L L4 Turbocharged 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 1990 Lotus Esprit
Ignition Parts for Other Lotus Esprit Years
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