The 2004 Acura TSX has 99 ignition parts with verified fitment on this page — 9 part types and 29 brands, covering the 2.4L L4 engine. Each part includes a manufacturer part number and application notes.
The ignition system on the 2004 Acura TSX delivers spark at the right moment — plugs, coils, wires, distributors and ignition modules. The largest groups are Camshaft Position Sensor (32 parts), Ignition Coil (20 parts) and Spark Plug (16 parts). The other 6 part types cover the remaining 31 parts.
The 2004 Acura TSX came with a single engine, the 2.4L L4, and every part is verified against it.
29 brands supply ignition parts for the 2004 Acura TSX, led by STANDARD MOTOR PRODUCTS (11 parts), DENSO (9 parts) and WALKER PRODUCTS (7 parts), plus 26 more brands. Quality grades include Standard Replacement, Economy and Iridium.
A "Popular" badge means the source catalog flagged the part as frequently chosen for the 2004 Acura TSX. 20 parts have it, including SKP SK907818 (Camshaft Position Sensor) and ASTEMO / HITACHI CPS0221 (Crankshaft Position Sensor). Each part number opens a page with every vehicle that part fits.
Camshaft Position Sensor
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SKP Popular | SK907818 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| STANDARD MOTOR PRODUCTS Popular | PC610T | 🇺🇸 US 🇨🇦 CA | T-Series | View on Amazon |
| HOLSTEIN | 2CAM0355 | 🇺🇸 US 🇨🇦 CA | Intake | View on Amazon |
| HOLSTEIN | 2CAM0127 | 🇺🇸 US 🇨🇦 CA | Exhaust | View on Amazon |
| PRENCO | 4E1121 | 🇺🇸 US 🇨🇦 CA | Intake | View on Amazon |
| PRENCO | 4E1042 | 🇺🇸 US 🇨🇦 CA | Exhaust180 Degree Connector~ | View on Amazon |
| STANDARD MOTOR PRODUCTS | PC619T | 🇺🇸 US 🇨🇦 CA | T-Series | View on Amazon |
| UNITED MOTOR PRODUCTS | CAM160 | 🇺🇸 US 🇨🇦 CA | Intake Manifold Side | View on Amazon |
| UNITED MOTOR PRODUCTS | CAM156 | 🇺🇸 US 🇨🇦 CA | Exhaust Cam | View on Amazon |
| VEMO | V26720066 | 🇺🇸 US 🇨🇦 CA | Plug (Connector): 3 Pins | View on Amazon |
| VEMO | V26720069 | 🇺🇸 US 🇨🇦 CA | Intake | View on Amazon |
Full Service Kit
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WALKER PRODUCTS | 23591269 | 🇺🇸 US 🇨🇦 CA | Full Service Kit | View on Amazon |
| WALKER PRODUCTS | 23591271 | 🇺🇸 US 🇨🇦 CA | Full Service Kit | View on Amazon |
Standard Replacement
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.
32 Camshaft Position Sensor parts for the 2004 Acura TSX come from 14 brands — STANDARD MOTOR PRODUCTS, WALKER PRODUCTS, ASTEMO / HITACHI and 11 other brands. The "Popular" part is SKP SK907818. Economy, Full Service Kit and Standard Replacement are all represented, and Standard Replacement alone accounts for 19 parts.
Camshaft Position Sensor Seal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MAHLE / CLEVITE | 76757 | 🇺🇸 US 🇨🇦 CA | Camshaft Sensor O-Ring or Engine Coolant Outlet O-RingMolded Rubber | View on Amazon |
This table covers the seals at the Camshaft Position Sensor. Typical signs include a wet housing, a drip after sitting, or fluid flung off a rotating shaft. Fix the surface the seal rides on. A new seal on a grooved shaft will leak again.
One part is listed for the 2004 Acura TSX — MAHLE / CLEVITE 76757.
Crankshaft Position Sensor
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HOLSTEIN | 2CRK0083 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| PRENCO | 4D1110 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| SKP | SK907727 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| SPECTRA PREMIUM | S10228 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| STANDARD MOTOR PRODUCTS | PC478T | 🇺🇸 US 🇨🇦 CA | T-Series | View on Amazon |
| UNITED MOTOR PRODUCTS | CRK219 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| VEMO | V26720065 | 🇺🇸 US 🇨🇦 CA | Plug (Connector): 2 Pins | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ASTEMO / HITACHI Popular | CPS0221 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| DELPHI Popular | SS10931 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| STANDARD MOTOR PRODUCTS Popular | PC478 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| BECK/ARNLEY | 1800482 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| HELLA | 009168321 | 🇺🇸 US 🇨🇦 CA | 3-Pin Connectorwith Seal Ring | View on Amazon |
| NTK | EH0350 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| WALKER PRODUCTS | 2351261 | 🇺🇸 US 🇨🇦 CA | Sensor Only | View on Amazon |
| WELLS | 5S1953 | 🇺🇸 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.
15 Crankshaft Position Sensor parts for the 2004 Acura TSX come from 14 brands — STANDARD MOTOR PRODUCTS, HOLSTEIN, PRENCO and 11 other brands. The "Popular" part is ASTEMO / HITACHI CPS0221.
The Economy section lists 7 options from HOLSTEIN, PRENCO, SKP and 4 other brands — the catalog's value-priced group. HOLSTEIN 2CRK0083 is listed in this group.
In the Standard Replacement grade, ASTEMO / HITACHI, DELPHI, STANDARD MOTOR PRODUCTS and 5 other brands supply 8 parts: built to original-equipment specification. A representative part number is ASTEMO / HITACHI CPS0221.
Crankshaft Position Sensor Seal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FEL-PRO | 72301 | 🇺🇸 US 🇨🇦 CA | 15 (mm) Inside Diameter | View on Amazon |
This table covers the seals at the Crankshaft Position Sensor. Typical signs include a wet housing, a drip after sitting, or fluid flung off a rotating shaft. Fix the surface the seal rides on. A new seal on a grooved shaft will leak again.
One part is listed for the 2004 Acura TSX — FEL-PRO 72301.
Ignition Coil
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SKP Popular | SKUF417T | 🇺🇸 US 🇨🇦 CA | Coil on Plug | View on Amazon |
| ULTRA-POWER Popular | 5C1440 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| FVP | UF417F | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| HOLSTEIN | 2IGC0231 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| HOLSTEIN | 2IGC0305 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| PRENCO | 368199 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| SPECTRA PREMIUM | C775 | 🇺🇸 US 🇨🇦 CA | Ignition Coil Mounts to Cylinder Head | View on Amazon |
| STANDARD MOTOR PRODUCTS | UF417T | 🇺🇸 US 🇨🇦 CA | T-Series | View on Amazon |
| WAI GLOBAL | CUF2875 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
Full Service Kit
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WALKER PRODUCTS | 92192212 | 🇺🇸 US 🇨🇦 CA | Full Service Kit | View on Amazon |
Premium
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DELPHI Popular | GN10370 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| ASTEMO / HITACHI | IGC0186 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DENSO Popular | 6732318 | 🇺🇸 US 🇨🇦 CA | Direct Ignition Coil or Stick Coil | View on Amazon |
| BECK/ARNLEY | 1788286 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| NGK | 48699 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| STANDARD MOTOR PRODUCTS | UF417 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| UNITED MOTOR PRODUCTS | COP349 | 🇺🇸 US 🇨🇦 CA | Body code JH4CL9 | View on Amazon |
| WALKER PRODUCTS | 9212212 | 🇺🇸 US 🇨🇦 CA | Single Coil | View on Amazon |
| WELLS | 5C1440 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| JAPANESE OE | 30520RWCA01 | 🇺🇸 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.
20 Ignition Coil parts for the 2004 Acura TSX come from 17 brands — HOLSTEIN, STANDARD MOTOR PRODUCTS, WALKER PRODUCTS and 14 other brands. The "Popular" part is SKP SKUF417T.
The Economy section: 9 options from HOLSTEIN, SKP, ULTRA-POWER and 5 other brands. SKP SKUF417T is listed in this group.
The Full Service Kit section lists 1 option from WALKER PRODUCTS — grouped under the catalog's "Full Service Kit" designation — the notes column spells out what sets them apart. WALKER PRODUCTS 92192212 is listed in this group.
In the Premium grade, DELPHI and ASTEMO / HITACHI supply 2 parts: a step above OE specification in materials, tolerances or warranty terms. A representative part number is DELPHI GN10370.
Standard Replacement: 7 parts, from DENSO, BECK/ARNLEY, NGK and 4 other brands. A representative part number is DENSO 6732318.
1 further part sits outside the graded sections, with the same engine-level match.
Ignition Lock Cylinder
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS | US708 | 🇺🇸 US 🇨🇦 CA | Includes Switch | View on Amazon |
| WELLS | 4H1325 | 🇺🇸 US 🇨🇦 CA | Includes Switch | View on Amazon |
| WELLS | 4H1324 | 🇺🇸 US 🇨🇦 CA | Includes Switch | View on Amazon |
This table covers the lock cylinders in the ignition switch.
3 Ignition Lock Cylinder parts for the 2004 Acura TSX come from 2 brands — WELLS and STANDARD MOTOR PRODUCTS.
Listed part numbers: STANDARD MOTOR PRODUCTS US708, WELLS 4H1325 and WELLS 4H1324.
Spark Plug
Summary: Notes include pre-set gaps of 0.040", 0.041", 0.043" and 0.044". Replacement brands in this table include DENSO, NGK and BOSCH.
Copper / Nickel
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DENSO | 3374 | 🇺🇸 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 | 41806 | 🇺🇸 US 🇨🇦 CA | ProfessionalDouble Platinum | View on Amazon |
| BOSCH | 8109 | 🇺🇸 US 🇨🇦 CA | OE Fine Wire Double PlatinumPre-Set Gap: 0.044" | View on Amazon |
| CHAMPION | 7000 | 🇺🇸 US 🇨🇦 CA | Double Platinum PowerPre-Set Gap: 0.041" | View on Amazon |
| DENSO | 3247 | 🇺🇸 US 🇨🇦 CA | Double PlatinumPre-Set Gap: 0.044" | View on Amazon |
Iridium (lasts up to 4x longer than Copper / Nickel)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| NGK Popular | 97138 | 🇺🇸 US 🇨🇦 CA | Iridium IXPre-Set Gap: 0.044" | View on Amazon |
| BOSCH | 9614 | 🇺🇸 US 🇨🇦 CA | OE Fine Wire Double IridiumPre-Set Gap: 0.044" | View on Amazon |
| CHAMPION | 9000 | 🇺🇸 US 🇨🇦 CA | IridiumPre-Set Gap: 0.041" | View on Amazon |
| DENSO | 5358 | 🇺🇸 US 🇨🇦 CA | Iridium PowerPre-Set Gap: 0.044" | View on Amazon |
| DENSO | 4702 | 🇺🇸 US 🇨🇦 CA | Iridium TTHex Size: 16.0 mm | View on Amazon |
| DENSO | 3377 | 🇺🇸 US 🇨🇦 CA | Iridium Long LifePre-Set Gap: 0.044" | View on Amazon |
| NGK | 6994 | 🇺🇸 US 🇨🇦 CA | Laser IridiumPre-Set Gap: 0.044" | View on Amazon |
Platinum (lasts up to 2x longer than Copper / Nickel)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DENSO Popular | 4504 | 🇺🇸 US 🇨🇦 CA | Platinum TTPre-Set Gap: 0.040" | View on Amazon |
| NGK Popular | 92213 | 🇺🇸 US 🇨🇦 CA | G-PowerPre-Set Gap: 0.040" | View on Amazon |
| BOSCH | 6714 | 🇺🇸 US 🇨🇦 CA | OE Fine Wire PlatinumPre-Set Gap: 0.044" | View on Amazon |
Ruthenium (maximum durability & ignitability)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| NGK Popular | 94279 | 🇺🇸 US 🇨🇦 CA | Ruthenium HX High IgnitabilityPre-Set Gap: 0.044" | 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 are listed for the 2004 Acura TSX, from DENSO, NGK, BOSCH and 2 other brands. NGK 97138 carries the "Popular" badge.
In the Copper / Nickel grade, DENSO supplies 1 part: grouped under the catalog's "Copper / Nickel" designation — the notes column spells out what sets them apart. A representative part number is DENSO 3374.
In the Double Platinum (lasts up to 3x longer than Copper / Nickel) grade, ACDELCO, BOSCH, CHAMPION and 1 other brand supply 4 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 41806.
The Iridium (lasts up to 4x longer than Copper / Nickel) section lists 7 options from DENSO, NGK, BOSCH 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 97138 is listed in this group.
In the Platinum (lasts up to 2x longer than Copper / Nickel) grade, DENSO, NGK and BOSCH supply 3 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 DENSO 4504.
In the Ruthenium (maximum durability & ignitability) grade, NGK supplies 1 part: grouped under the catalog's "Ruthenium (maximum durability & ignitability)" designation — the notes column spells out what sets them apart. A representative part number is NGK 94279.
Spark Plug / Ignition Coil Boot
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS | 19571 | 🇺🇸 US 🇨🇦 CA | Federal Wire | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Popular | SPP154E | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| ACDELCO | 16118 | 🇺🇸 US 🇨🇦 CA | Gold | View on Amazon |
| NGK | 59025 | 🇺🇸 US 🇨🇦 CA | Exc. Spring | View on Amazon |
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ULTRA-POWER | S2526 | 🇺🇸 US 🇨🇦 CA | Coil Connector | View on Amazon |
This table covers the silicone and rubber boots that insulate the coil-to-plug spark path. Typical signs include a misfire in the rain, carbon tracking on the boot, or a snap when you pop the coil off. Replace boots as a set on a high-mileage engine; one cracked boot will take the coil with it.
5 Spark Plug / Ignition Coil Boot parts for the 2004 Acura TSX come from 4 brands — STANDARD MOTOR PRODUCTS, ACDELCO, NGK and 1 other brand. The "Popular" part is STANDARD MOTOR PRODUCTS SPP154E.
The Economy section: 1 option from STANDARD MOTOR PRODUCTS. STANDARD MOTOR PRODUCTS 19571 is listed in this group.
Standard Replacement: 3 parts, from STANDARD MOTOR PRODUCTS, ACDELCO and NGK. A representative part number is STANDARD MOTOR PRODUCTS SPP154E.
1 further part sits outside the graded sections, with the same engine-level match.
Listed part numbers: STANDARD MOTOR PRODUCTS SPP154E, STANDARD MOTOR PRODUCTS 19571 and ACDELCO 16118, plus the other parts above.
Spark Plug Tube Seal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| BECK/ARNLEY Popular | 0396582 | 🇺🇸 US 🇨🇦 CA | Lower | View on Amazon |
| FEL-PRO Popular | ES72967 | 🇺🇸 US 🇨🇦 CA | Includes Ignition Coil Plug Seals, Spark Plug Tube Seals | View on Amazon |
| APEX | AES110 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| ELRING | 389210 | 🇺🇸 US 🇨🇦 CA | Inner | View on Amazon |
| MAHLE / CLEVITE | GS33533 | 🇺🇸 US 🇨🇦 CA | Contains Upper and Lower SealsSpark Plug Tube Seal Kit | View on Amazon |
| VICTOR REINZ | 181007901 | 🇺🇸 US 🇨🇦 CA | Valve Cover | View on Amazon |
This table covers the seals at the Spark Plug Tube. Typical signs include a wet housing, a drip after sitting, or fluid flung off a rotating shaft. Fix the surface the seal rides on. A new seal on a grooved shaft will leak again.
6 Spark Plug Tube Seal parts for the 2004 Acura TSX come from 6 brands — BECK/ARNLEY, FEL-PRO, APEX and 3 other brands. The "Popular" part is BECK/ARNLEY 0396582.
Part numbers include BECK/ARNLEY 0396582, FEL-PRO ES72967 and APEX AES110, among others listed above.
Buying Ignition Parts for a 2004 Acura TSX
On this vehicle, the ignition system delivers spark at the right moment — plugs, coils, wires, distributors and ignition modules.
- Confirm you have the 2.4L 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: Camshaft Position Sensor and Ignition Coil .
Frequently Asked Questions
How many ignition parts fit the 2004 Acura TSX?
Our catalog currently lists 99 ignition parts for the 2004 Acura TSX across 9 subcategories and 29 brands, covering the 2.4L L4 engine. Each part is matched to the engine(s) it fits.
What are the signs of ignition problems on a 2004 Acura TSX?
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 Acura TSX?
Notes on this page include pre-set gaps of 0.040", 0.041", 0.043" 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 2004 Acura TSX 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 Acura TSX?
Every part on this page is matched to the 2.4L 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 2004 Acura TSX
Ignition Parts for Other Acura TSX Years
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