The 1990 Alfa Romeo Spider has 42 ignition parts with verified fitment on this page — 6 part types and 17 brands, covering the 2.0L L4 engine. Each part includes a manufacturer part number and application notes.
On the 1990 Alfa Romeo Spider, the ignition system delivers spark at the right moment — plugs, coils, wires, distributors and ignition modules. Most of the listed parts are Spark Plug (17 parts), Distributor Cap (11 parts) and Spark Plug Wire (6 parts). The other 3 part types cover the remaining 8 parts.
Every part on this page is matched to the 2.0L L4 — the only engine offered in the 1990 Alfa Romeo Spider.
The most listed brands for 1990 Alfa Romeo Spider ignition parts are STANDARD MOTOR PRODUCTS (6 parts), CHAMPION (5 parts) and DENSO (5 parts), plus 14 more brands. Quality grades include Standard Replacement, Copper / Nickel and Iridium.
10 parts on this 1990 Alfa Romeo Spider page carry a "Popular" badge — the source catalog's flag for options frequently chosen for this vehicle — including FACET 90132 (Crankshaft Position Sensor) and BOSCH 03010 (Distributor Cap). Click any part number to see every vehicle that part fits.
Crankshaft Position Sensor
Full Service Kit
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WALKER PRODUCTS | 23591539 | 🇺🇸 US 🇨🇦 CA | Full Service Kit | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FACET Popular | 90132 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| STANDARD MOTOR PRODUCTS | PC354 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| WALKER PRODUCTS | 2351539 | 🇺🇸 US 🇨🇦 CA | Sensor Only | View on Amazon |
| WELLS | 5S6136 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
This table covers the sensors that report crankshaft position and engine speed. Typical signs include a stall, a no-start, or a code for cam or crank correlation. Check the connector and the reluctor gap before replacing the sensor.
5 Crankshaft Position Sensor parts are listed for the 1990 Alfa Romeo Spider, from WALKER PRODUCTS, FACET, STANDARD MOTOR PRODUCTS and 1 other brand. FACET 90132 carries the "Popular" badge.
In the Full Service Kit grade, WALKER PRODUCTS supplies 1 part: grouped under the catalog's "Full Service Kit" designation — the notes column spells out what sets them apart. A representative part number is WALKER PRODUCTS 23591539.
The Standard Replacement section lists 4 options from FACET, STANDARD MOTOR PRODUCTS, WALKER PRODUCTS and 1 other brand — built to original-equipment specification. FACET 90132 is listed in this group.
This group includes FACET 90132, WALKER PRODUCTS 23591539 and STANDARD MOTOR PRODUCTS PC354 and the remaining parts above.
Distributor Cap
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS | GB423T | 🇺🇸 US 🇨🇦 CA | T-Series | View on Amazon |
Premium
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| LILAND GLOBAL | GB423LG | 🇺🇸 US 🇨🇦 CA | Tan Brass | View on Amazon |
| LILAND GLOBAL | GB423BLBLG | 🇺🇸 US 🇨🇦 CA | Blue Brass | View on Amazon |
| WELLS | 5D1012A | 🇺🇸 US 🇨🇦 CA | Premium | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| BOSCH Popular | 03010 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| STANDARD MOTOR PRODUCTS Popular | GB423 | 🇺🇸 US 🇨🇦 CA | vendor # Bosch | View on Amazon |
| WALKER PRODUCTS Popular | 9251068 | 🇺🇸 US 🇨🇦 CA | Bosch | View on Amazon |
| FACET | 27479PHT | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| KARLYN / BREMI / STI | 228045 | 🇺🇸 US 🇨🇦 CA | Bremi | View on Amazon |
| LILAND GLOBAL | GB423TLG | 🇺🇸 US 🇨🇦 CA | Color: BlackBody Material: PBT | View on Amazon |
| WELLS | 5D1012 | 🇺🇸 US 🇨🇦 CA | Distributor Cap Contacts Material: Aluminum | View on Amazon |
This table covers the Distributor caps. Typical signs include a leak at the neck, a cap that will not hold pressure, or a missing tether. Match the pressure rating or thread in the notes — radiator, reservoir and fuel caps are not interchangeable.
11 Distributor Cap parts for the 1990 Alfa Romeo Spider come from 7 brands — LILAND GLOBAL, STANDARD MOTOR PRODUCTS, WELLS and 4 other brands. The "Popular" part is BOSCH 03010.
The Economy section lists 1 option from STANDARD MOTOR PRODUCTS — the catalog's value-priced group. STANDARD MOTOR PRODUCTS GB423T is listed in this group.
In the Premium grade, LILAND GLOBAL and WELLS supply 3 parts: a step above OE specification in materials, tolerances or warranty terms. A representative part number is LILAND GLOBAL GB423LG.
Standard Replacement: 7 parts, from BOSCH, STANDARD MOTOR PRODUCTS, WALKER PRODUCTS and 4 other brands. A representative part number is BOSCH 03010.
Ignition Coil
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| UNITED MOTOR PRODUCTS | C57 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| WELLS | 5C1018 | 🇺🇸 US 🇨🇦 CA | with Bosch Distributor | 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 1990 Alfa Romeo Spider, from UNITED MOTOR PRODUCTS and WELLS.
Part numbers include UNITED MOTOR PRODUCTS C57 and WELLS 5C1018.
Spark Plug
Summary: Notes include pre-set gaps of 0.024", 0.025", 0.030", 0.031", 0.032", 0.035", 0.040" and 0.044". Replacement brands in this table include CHAMPION, DENSO and ACDELCO.
Copper / Nickel
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ACDELCO Popular | R43XLS | 🇺🇸 US 🇨🇦 CA | ProfessionalConventional | View on Amazon |
| BOSCH Popular | 7900 | 🇺🇸 US 🇨🇦 CA | NickelPre-Set Gap: 0.031" | View on Amazon |
| CHAMPION Popular | 415 | 🇺🇸 US 🇨🇦 CA | Copper PlusPre-Set Gap: 0.032" | View on Amazon |
| NGK Popular | 5534 | 🇺🇸 US 🇨🇦 CA | StandardPre-Set Gap: 0.032" | View on Amazon |
| CHAMPION | 4151 | 🇺🇸 US 🇨🇦 CA | Copper PlusClassification: Champion Copper Plus Small Engine | View on Amazon |
| DENSO | 3057 | 🇺🇸 US 🇨🇦 CA | U-Groove ConventionalPre-Set Gap: 0.032" | View on Amazon |
| MOTORCRAFT | SP436AX | 🇺🇸 US 🇨🇦 CA | Copper | 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 |
| AUTOLITE | APP64 | 🇺🇸 US 🇨🇦 CA | Double PlatinumHex Size: 13/16 In | 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 |
|---|---|---|---|---|
| CHAMPION | 9804 | 🇺🇸 US 🇨🇦 CA | IridiumPre-Set Gap: 0.03" | View on Amazon |
| DENSO | 5306 | 🇺🇸 US 🇨🇦 CA | Iridium PowerHex Size: 20.6 mm | View on Amazon |
| DENSO | 4709 | 🇺🇸 US 🇨🇦 CA | Iridium TTSolid Terminal | View on Amazon |
| NGK | 4055 | 🇺🇸 US 🇨🇦 CA | Iridium IXPre-Set Gap: 0.032" | View on Amazon |
| SKP | SP1042 | 🇺🇸 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 |
|---|---|---|---|---|
| CHAMPION | 2415 | 🇺🇸 US 🇨🇦 CA | Gold PlugGraduate | View on Amazon |
| DENSO | 4502 | 🇺🇸 US 🇨🇦 CA | Platinum TTSolid Terminal | 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 for the 1990 Alfa Romeo Spider come from 8 brands — CHAMPION, DENSO, ACDELCO and 5 other brands. The "Popular" part is ACDELCO R43XLS.
The Copper / Nickel section lists 7 options from CHAMPION, ACDELCO, BOSCH and 3 other brands — grouped under the catalog's "Copper / Nickel" designation — the notes column spells out what sets them apart. ACDELCO R43XLS is listed in this group.
The Double Platinum (lasts up to 3x longer than Copper / Nickel) section lists 3 options from ACDELCO, AUTOLITE 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 41804 is listed in this group.
In the Iridium (lasts up to 4x longer than Copper / Nickel) grade, DENSO, 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 CHAMPION 9804.
The Platinum (lasts up to 2x longer than Copper / Nickel) section lists 2 options from CHAMPION and DENSO — grouped under the catalog's "Platinum (lasts up to 2x longer than Copper / Nickel)" designation — the notes column spells out what sets them apart. CHAMPION 2415 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 1990 Alfa Romeo Spider — DORMAN 42004.
Spark Plug Wire
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| B&B | S439000 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| STANDARD MOTOR PRODUCTS | 4620 | 🇺🇸 US 🇨🇦 CA | SetCoil Wire: 20" | View on Amazon |
Premium
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DENSO Popular | 6714002 | 🇺🇸 US 🇨🇦 CA | Spark Plug Wire Set7mm | View on Amazon |
| STANDARD MOTOR PRODUCTS | 55443 | 🇺🇸 US 🇨🇦 CA | IntermotorSet | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WALKER PRODUCTS Popular | 9241076 | 🇺🇸 US 🇨🇦 CA | Direct FitSet | View on Amazon |
| STANDARD MOTOR PRODUCTS | 29520 | 🇺🇸 US 🇨🇦 CA | Pro SeriesSet | View on Amazon |
This table covers the Spark Plug wires.
6 Spark Plug Wire parts are listed for the 1990 Alfa Romeo Spider, from STANDARD MOTOR PRODUCTS, B&B, DENSO and 1 other brand. DENSO 6714002 carries the "Popular" badge.
Economy: 2 parts, from B&B and STANDARD MOTOR PRODUCTS. A representative part number is B&B S439000.
The Premium section: 2 options from DENSO and STANDARD MOTOR PRODUCTS. DENSO 6714002 is listed in this group.
The Standard Replacement section: 2 options from WALKER PRODUCTS and STANDARD MOTOR PRODUCTS. WALKER PRODUCTS 9241076 is listed in this group.
Listed part numbers: DENSO 6714002, B&B S439000 and STANDARD MOTOR PRODUCTS 4620, plus the other parts above.
Buying Ignition Parts for a 1990 Alfa Romeo Spider
On this vehicle, the ignition system delivers spark at the right moment — plugs, coils, wires, distributors and ignition modules.
- Confirm you have the 2.0L L4 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 Distributor Cap .
Frequently Asked Questions
How many ignition parts fit the 1990 Alfa Romeo Spider?
Our catalog currently lists 42 ignition parts for the 1990 Alfa Romeo Spider across 6 subcategories and 17 brands, covering the 2.0L L4 engine. Each part is matched to the engine(s) it fits.
What are the signs of ignition problems on a 1990 Alfa Romeo Spider?
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 Alfa Romeo Spider?
Notes on this page include pre-set gaps of 0.024", 0.025", 0.030", 0.031", 0.032", 0.035", 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 1990 Alfa Romeo Spider 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 Alfa Romeo Spider?
Every part on this page is matched to the 2.0L L4 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 Alfa Romeo Spider
Ignition Parts for Other Alfa Romeo Spider Years
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