34 Ignition parts are listed for the 2004 Honda Insight, in 5 part types, covering the 995cc L3 ELECTRIC/GAS engine. Each one has a brand, a manufacturer part number and notes that say where it fits.
The ignition system on the 2004 Honda Insight delivers spark at the right moment — plugs, coils, wires, distributors and ignition modules. The largest groups are Ignition Coil (11 parts), Spark Plug (11 parts) and Camshaft Position Sensor (5 parts). The other 2 part types cover the remaining 7 parts.
Every part on this page is matched to the 995cc L3 ELECTRIC/GAS — the only engine offered in the 2004 Honda Insight.
The most listed brands for 2004 Honda Insight ignition parts are DENSO (6 parts), WELLS (5 parts) and WALKER PRODUCTS (3 parts), plus 13 more brands. Quality grades include Standard Replacement, Economy and Iridium.
8 parts on this 2004 Honda Insight page carry a "Popular" badge — the source catalog's flag for options frequently chosen for this vehicle — including WALKER PRODUCTS 2351772 (Camshaft Position Sensor) and FAMOUS BRAND 1802317712 (Crankshaft Position Sensor). Click any part number to see every vehicle that part fits.
Camshaft Position Sensor
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HOLSTEIN | 2CAM0262 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WALKER PRODUCTS Popular | 2351772 | 🇺🇸 US 🇨🇦 CA | Sensor Only | View on Amazon |
| BECK/ARNLEY | 1800496 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| STANDARD MOTOR PRODUCTS | PC604 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| WELLS | 5S1295 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
This table covers the sensors that report camshaft position to the ECU. 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 Camshaft Position Sensor parts are listed for the 2004 Honda Insight, from HOLSTEIN, WALKER PRODUCTS, BECK/ARNLEY and 2 other brands. WALKER PRODUCTS 2351772 carries the "Popular" badge.
In the Economy grade, HOLSTEIN supplies 1 part: the catalog's value-priced group. A representative part number is HOLSTEIN 2CAM0262.
The Standard Replacement section lists 4 options from WALKER PRODUCTS, BECK/ARNLEY, STANDARD MOTOR PRODUCTS and 1 other brand — built to original-equipment specification. WALKER PRODUCTS 2351772 is listed in this group.
This group includes WALKER PRODUCTS 2351772, HOLSTEIN 2CAM0262 and BECK/ARNLEY 1800496 and the remaining parts above.
Crankshaft Position Sensor
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FAMOUS BRAND Popular | 1802317712 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| HOLSTEIN | 2CRK0092 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS | PC693 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| WALKER PRODUCTS | 2351857 | 🇺🇸 US 🇨🇦 CA | Sensor Only | View on Amazon |
| WELLS | 5S1765 | 🇺🇸 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 2004 Honda Insight, from FAMOUS BRAND, HOLSTEIN, STANDARD MOTOR PRODUCTS and 2 other brands. FAMOUS BRAND 1802317712 carries the "Popular" badge.
Economy: 2 parts, from FAMOUS BRAND and HOLSTEIN. A representative part number is FAMOUS BRAND 1802317712.
The Standard Replacement section: 3 options from STANDARD MOTOR PRODUCTS, WALKER PRODUCTS and WELLS. STANDARD MOTOR PRODUCTS PC693 is listed in this group.
Listed part numbers: FAMOUS BRAND 1802317712, HOLSTEIN 2CRK0092 and STANDARD MOTOR PRODUCTS PC693, plus the other parts above.
Ignition Coil
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ULTRA-POWER Popular | 5C1136 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| PRENCO | 368169 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| SPECTRA PREMIUM | C982 | 🇺🇸 US 🇨🇦 CA | Ignition Coil Mounts to Cylinder Head | View on Amazon |
Premium
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ASTEMO / HITACHI Popular | IGC0050 | 🇺🇸 US 🇨🇦 CA | Terminal Quantity: 3Terminal Gender: Male | View on Amazon |
| DELPHI | GN10671 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WALKER PRODUCTS Popular | 9212180 | 🇺🇸 US | Single Coil | View on Amazon |
| BECK/ARNLEY | 1788438 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| DENSO | 6732306 | 🇺🇸 US 🇨🇦 CA | Direct Ignition Coil or Coil On Plug | View on Amazon |
| STANDARD MOTOR PRODUCTS | UF257 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| UNITED MOTOR PRODUCTS | COP232 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| WELLS | 5C1136 | 🇺🇸 US 🇨🇦 CA | 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.
11 Ignition Coil parts are listed for the 2004 Honda Insight, from ULTRA-POWER, PRENCO, SPECTRA PREMIUM and 8 other brands. ULTRA-POWER 5C1136 carries the "Popular" badge.
Economy: 3 parts, from ULTRA-POWER, PRENCO and SPECTRA PREMIUM. A representative part number is ULTRA-POWER 5C1136.
The Premium section lists 2 options from ASTEMO / HITACHI and DELPHI — a step above OE specification in materials, tolerances or warranty terms. ASTEMO / HITACHI IGC0050 is listed in this group.
The Standard Replacement section: 6 options from WALKER PRODUCTS, BECK/ARNLEY, DENSO and 3 other brands. WALKER PRODUCTS 9212180 is listed in this group.
Ignition Lock Cylinder
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WELLS | 4H1493 | 🇺🇸 US 🇨🇦 CA | Includes Switch | View on Amazon |
| WELLS | 4H1492 | 🇺🇸 US 🇨🇦 CA | Includes Switch | View on Amazon |
This table covers the lock cylinders in the ignition switch.
WELLS supplies both parts for the 2004 Honda Insight.
Part numbers include WELLS 4H1493 and WELLS 4H1492.
Spark Plug
Summary: Notes include pre-set gaps of 0.040", 0.041", 0.042", 0.044" and 0.045". Replacement brands in this table include DENSO, CHAMPION and ACDELCO.
Copper / Nickel
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| CHAMPION Popular | 975 | 🇺🇸 US 🇨🇦 CA | Copper PlusPre-Set Gap: 0.042" | View on Amazon |
| DENSO | 3381 | 🇺🇸 US 🇨🇦 CA | U-Groove ConventionalPre-Set Gap: 0.044" | View on Amazon |
Double Platinum (lasts up to 3x longer than Copper / Nickel)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ACDELCO | 41835 | 🇺🇸 US 🇨🇦 CA | ProfessionalDouble Platinum | View on Amazon |
| CHAMPION | 7975 | 🇺🇸 US 🇨🇦 CA | Double Platinum PowerPre-Set Gap: 0.045" | View on Amazon |
Iridium (lasts up to 4x longer than Copper / Nickel)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DENSO Popular | 3421 | 🇺🇸 US 🇨🇦 CA | Iridium Long LifePre-Set Gap: 0.044" | View on Amazon |
| SKP Popular | SP1022 | 🇺🇸 US 🇨🇦 CA | Tapered Ground Electrode with Platinum Chip | View on Amazon |
| CHAMPION | 9033 | 🇺🇸 US 🇨🇦 CA | IridiumPre-Set Gap: 0.041" | View on Amazon |
| DENSO | 5344 | 🇺🇸 US 🇨🇦 CA | Iridium PowerPre-Set Gap: 0.044" | View on Amazon |
| DENSO | 4704 | 🇺🇸 US 🇨🇦 CA | Iridium TTPre-Set Gap: 0.040" | View on Amazon |
Platinum (lasts up to 2x longer than Copper / Nickel)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ACDELCO | 21 | 🇺🇸 US 🇨🇦 CA | ProfessionalRapidfire | View on Amazon |
| DENSO | 4506 | 🇺🇸 US 🇨🇦 CA | Platinum TTPre-Set Gap: 0.040" | 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 2004 Honda Insight come from 4 brands — DENSO, CHAMPION, ACDELCO and 1 other brand. The "Popular" part is CHAMPION 975.
The Copper / Nickel section lists 2 options from CHAMPION and DENSO — grouped under the catalog's "Copper / Nickel" designation — the notes column spells out what sets them apart. CHAMPION 975 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 41835 is listed in this group.
In the Iridium (lasts up to 4x longer than Copper / Nickel) grade, DENSO, SKP and CHAMPION 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 DENSO 3421.
The Platinum (lasts up to 2x longer than Copper / Nickel) section lists 2 options from ACDELCO 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. ACDELCO 21 is listed in this group.
Buying Ignition Parts for a 2004 Honda Insight
On this vehicle, the ignition system delivers spark at the right moment — plugs, coils, wires, distributors and ignition modules.
- Confirm you have the 995cc L3 ELECTRIC/GAS 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: Ignition Coil and Spark Plug .
Frequently Asked Questions
How many ignition parts fit the 2004 Honda Insight?
Our catalog currently lists 34 ignition parts for the 2004 Honda Insight across 5 subcategories and 16 brands, covering the 995cc L3 ELECTRIC/GAS engine. Each part is matched to the engine(s) it fits.
What are the signs of ignition problems on a 2004 Honda Insight?
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 2004 Honda Insight?
Notes on this page include pre-set gaps of 0.040", 0.041", 0.042", 0.044" and 0.045". 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 2004 Honda Insight 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 2004 Honda Insight?
Every part on this page is matched to the 995cc L3 ELECTRIC/GAS 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 2004 Honda Insight
Ignition Parts for Other Honda Insight Years
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