The 1998 Aston Martin DB7 has 15 ignition parts with verified fitment on this page — 2 part types and 8 brands, covering the 3.2L L6 Supercharged engine. Each part includes a manufacturer part number and application notes.
On the 1998 Aston Martin DB7, the ignition system delivers spark at the right moment — plugs, coils, wires, distributors and ignition modules. All 15 listed parts are Spark Plug (14 parts) and Spark Plug Non-Fouler (1 part).
Every part on this page is matched to the 3.2L L6 Supercharged — the only engine offered in the 1998 Aston Martin DB7.
The most listed brands for 1998 Aston Martin DB7 ignition parts are ACDELCO (3 parts), CHAMPION (3 parts) and NGK (2 parts), plus 5 more brands. Quality grades include Copper / Nickel, Iridium and Platinum.
3 parts on this 1998 Aston Martin DB7 page carry a "Popular" badge — the source catalog's flag for options frequently chosen for this vehicle — including ACDELCO 41629 (Spark Plug) and NGK 4644 (Spark Plug). Click any part number to see every vehicle that part fits.
Spark Plug
Summary: Notes include pre-set gaps of 0.024", 0.030", 0.032", 0.034", 0.035", 0.036", 0.040" and 0.044". Replacement brands in this table include ACDELCO, CHAMPION and NGK.
Copper / Nickel
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ACDELCO Popular | 41629 | 🇺🇸 US 🇨🇦 CA | ProfessionalConventional | View on Amazon |
| NGK Popular | 4644 | 🇺🇸 US 🇨🇦 CA | V-PowerPre-Set Gap: 0.036" | View on Amazon |
| BOSCH | 7955 | 🇺🇸 US 🇨🇦 CA | NickelPre-Set Gap: 0.035" | View on Amazon |
| CHAMPION | 444 | 🇺🇸 US 🇨🇦 CA | Copper PlusPre-Set Gap: 0.035" | 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 |
| MOTORCRAFT | SP485 | 🇺🇸 US 🇨🇦 CA | Double Platinum | View on Amazon |
Iridium (lasts up to 4x longer than Copper / Nickel)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| NGK Popular | 2667 | 🇺🇸 US 🇨🇦 CA | Iridium IXPre-Set Gap: 0.032" | View on Amazon |
| AUTOLITE | XP3924 | 🇺🇸 US 🇨🇦 CA | Iridium XP Spark Plug Dual Display PackPre-Set Gap: 0.044" | View on Amazon |
| CHAMPION | 9770 | 🇺🇸 US 🇨🇦 CA | IridiumPre-Set Gap: 0.034" | View on Amazon |
| SKP | SP1013 | 🇺🇸 US 🇨🇦 CA | Iridium XP | View on Amazon |
Platinum (lasts up to 2x longer than Copper / Nickel)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ACDELCO | 19 | 🇺🇸 US 🇨🇦 CA | ProfessionalRapidfire | View on Amazon |
| BOSCH | 4028 | 🇺🇸 US 🇨🇦 CA | PLATINUM PLUS | View on Amazon |
| CHAMPION | 3068 | 🇺🇸 US 🇨🇦 CA | Platinum PowerPre-Set Gap: 0.03" | View on Amazon |
| MOTORCRAFT | SP485X | 🇺🇸 US 🇨🇦 CA | Platinum Spark PlugPlatinum | 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.
14 Spark Plug parts for the 1998 Aston Martin DB7 come from 7 brands — ACDELCO, CHAMPION, NGK and 4 other brands. The "Popular" part is ACDELCO 41629.
The Copper / Nickel section lists 4 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 41629 is listed in this group.
The Double Platinum (lasts up to 3x longer than Copper / Nickel) section lists 2 options from ACDELCO and MOTORCRAFT — 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, NGK, AUTOLITE, CHAMPION and 1 other brand supply 4 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 NGK 2667.
The Platinum (lasts up to 2x longer than Copper / Nickel) section lists 4 options from ACDELCO, BOSCH, CHAMPION and 1 other brand — 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.
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.
One part is listed for the 1998 Aston Martin DB7 — DORMAN 42004.
Buying Ignition Parts for a 1998 Aston Martin DB7
On this vehicle, the ignition system delivers spark at the right moment — plugs, coils, wires, distributors and ignition modules.
- Confirm you have the 3.2L L6 Supercharged 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 Spark Plug Non-Fouler .
Frequently Asked Questions
How many ignition parts fit the 1998 Aston Martin DB7?
Our catalog currently lists 15 ignition parts for the 1998 Aston Martin DB7 across 2 subcategories and 8 brands, covering the 3.2L L6 Supercharged engine. Each part is matched to the engine(s) it fits.
What are the signs of ignition problems on a 1998 Aston Martin DB7?
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 1998 Aston Martin DB7?
Notes on this page include pre-set gaps of 0.024", 0.030", 0.032", 0.034", 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 1998 Aston Martin DB7 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 1998 Aston Martin DB7?
Every part on this page is matched to the 3.2L L6 Supercharged 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 1998 Aston Martin DB7
Ignition Parts for Other Aston Martin DB7 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.