This page lists 43 ignition parts for the 2003 Acura RL, across 5 part types, covering the 3.5L V6 engine. Every part shows its brand, manufacturer part number and fitment notes.
The ignition system on the 2003 Acura RL delivers spark at the right moment — plugs, coils, wires, distributors and ignition modules. The largest groups are Spark Plug (28 parts), Ignition Coil (7 parts) and Crankshaft Position Sensor (3 parts). The other 2 part types cover the remaining 5 parts.
The 2003 Acura RL came with a single engine, the 3.5L V6, and every part is verified against it.
16 brands supply ignition parts for the 2003 Acura RL, led by NGK (7 parts), DENSO (6 parts) and BECK/ARNLEY (4 parts), plus 13 more brands. Quality grades include Iridium, Platinum and Double Platinum.
A "Popular" badge means the source catalog flagged the part as frequently chosen for the 2003 Acura RL. 8 parts have it, including STANDARD MOTOR PRODUCTS UF238 (Ignition Coil) and NGK 6953 (Spark Plug). Each part number opens a page with every vehicle that part fits.
Crankshaft Position Sensor
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SPECTRA PREMIUM | S10171 | 🇺🇸 US | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| BECK/ARNLEY | 1800701 | 🇺🇸 US | View on Amazon |
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| JAPANESE OE | 37840PY3026 | 🇺🇸 US | 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.
3 Crankshaft Position Sensor parts for the 2003 Acura RL come from 3 brands — SPECTRA PREMIUM, BECK/ARNLEY and JAPANESE OE.
The Economy section lists 1 option from SPECTRA PREMIUM — the catalog's value-priced group. SPECTRA PREMIUM S10171 is listed in this group.
In the Standard Replacement grade, BECK/ARNLEY supplies 1 part: built to original-equipment specification. A representative part number is BECK/ARNLEY 1800701.
1 further part sits outside the graded sections, with the same engine-level match.
This group includes SPECTRA PREMIUM S10171, BECK/ARNLEY 1800701 and JAPANESE OE 37840PY3026.
Ignition Coil
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FAMOUS BRAND | EBE1733 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| HOLSTEIN | 2IGC0179 | 🇺🇸 US | View on Amazon | |
| SKP | SKUF238 | 🇺🇸 US | Engine Head | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Popular | UF238 | 🇺🇸 US | View on Amazon | |
| WELLS Popular | 5C1011 | 🇺🇸 US | View on Amazon | |
| BECK/ARNLEY | 1788496 | 🇺🇸 US | View on Amazon | |
| UNITED MOTOR PRODUCTS | COP212 | 🇺🇸 US | 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.
7 Ignition Coil parts for the 2003 Acura RL come from 7 brands — FAMOUS BRAND, HOLSTEIN, SKP and 4 other brands. The "Popular" part is STANDARD MOTOR PRODUCTS UF238.
The Economy section: 3 options from FAMOUS BRAND, HOLSTEIN and SKP. FAMOUS BRAND EBE1733 is listed in this group.
Standard Replacement: 4 parts, from STANDARD MOTOR PRODUCTS, WELLS, BECK/ARNLEY and 1 other brand. A representative part number is STANDARD MOTOR PRODUCTS UF238.
Part numbers include STANDARD MOTOR PRODUCTS UF238, FAMOUS BRAND EBE1733 and HOLSTEIN 2IGC0179, among others listed above.
Ignition Control Module (ICM)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS | LX747 | 🇺🇸 US | View on Amazon | |
| WELLS | 6H1008 | 🇺🇸 US | View on Amazon |
This table covers the Ignition control modules.
2 Ignition Control Module (ICM) parts for the 2003 Acura RL come from 2 brands — STANDARD MOTOR PRODUCTS and WELLS.
Listed part numbers: STANDARD MOTOR PRODUCTS LX747 and WELLS 6H1008.
Spark Plug
Summary: Notes include pre-set gaps of 0.035", 0.039", 0.040", 0.043", 0.044" and 0.045". Replacement brands in this table include NGK, DENSO and CHAMPION.
Copper / Nickel
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| NGK Popular | 6953 | 🇺🇸 US | V-PowerPre-Set Gap: 0.044" | View on Amazon |
| NGK Popular | 2382 | 🇺🇸 US | StandardPre-Set Gap: 0.044" | View on Amazon |
| ACDELCO | 41629 | 🇺🇸 US 🇨🇦 CA | ProfessionalConventional | View on Amazon |
| CHAMPION | 318 | 🇺🇸 US | Copper PlusPre-Set Gap: 0.044" | View on Amazon |
| DENSO | 3143 | 🇺🇸 US | 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 | 41800 | 🇺🇸 US 🇨🇦 CA | GM Original EquipmentDouble Platinum | View on Amazon |
| BOSCH | 8100 | 🇺🇸 US | OE Fine Wire Double PlatinumPre-Set Gap: 0.044" | View on Amazon |
| CHAMPION | 7318 | 🇺🇸 US | Double Platinum PowerPre-Set Gap: 0.04" | View on Amazon |
| DENSO | 3275 | 🇺🇸 US | Double PlatinumPre-Set Gap: 0.044" | View on Amazon |
| MOTORCRAFT | SP485 | 🇺🇸 US | Double Platinum | View on Amazon |
| NGK | 5459 | 🇺🇸 US | Laser 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 | 5464 | 🇺🇸 US | Iridium IXPre-Set Gap: 0.044" | View on Amazon |
| AUTOLITE | XP3924 | 🇺🇸 US | Iridium XP Spark Plug Dual Display PackPre-Set Gap: 0.044" | View on Amazon |
| BOSCH | 9652 | 🇺🇸 US | OE Fine Wire Double IridiumPre-Set Gap: 0.044" | View on Amazon |
| CHAMPION | 9202 | 🇺🇸 US | IridiumPre-Set Gap: 0.039" | View on Amazon |
| DENSO | 5303 | 🇺🇸 US | Iridium PowerPre-Set Gap: 0.044" | View on Amazon |
| DENSO | 4701 | 🇺🇸 US | Iridium TTPre-Set Gap: 0.040" | View on Amazon |
| DENSO | 3395 | 🇺🇸 US | Iridium Long LifePre-Set Gap: 0.044" | View on Amazon |
| NGK | 7994 | 🇺🇸 US | Laser IridiumPre-Set Gap: 0.044" | View on Amazon |
| SKP | SP1013 | 🇺🇸 US | Iridium XP | View on Amazon |
Platinum (lasts up to 2x longer than Copper / Nickel)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DENSO Popular | 4503 | 🇺🇸 US | Platinum TTPlatinum | View on Amazon |
| NGK Popular | 7090 | 🇺🇸 US | G-PowerPre-Set Gap: 0.040" | View on Amazon |
| ACDELCO | 5 | 🇺🇸 US 🇨🇦 CA | ProfessionalRapidfire | View on Amazon |
| BOSCH | 6702 | 🇺🇸 US | OE Fine Wire PlatinumPre-Set Gap: 0.044" | View on Amazon |
| CHAMPION | 33182 | 🇺🇸 US | Platinum PowerPre-Set Gap: 0.04" | View on Amazon |
| MOTORCRAFT | SP497X | 🇺🇸 US | Platinum Spark PlugPlatinum | View on Amazon |
| MOTORCRAFT | SP485X | 🇺🇸 US | Platinum Spark PlugPlatinum | View on Amazon |
Ruthenium (maximum durability & ignitability)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| NGK Popular | 95839 | 🇺🇸 US | 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.
28 Spark Plug parts are listed for the 2003 Acura RL, from NGK, DENSO, CHAMPION and 5 other brands. NGK 6953 carries the "Popular" badge. Grades run from Copper / Nickel through Ruthenium (maximum durability & ignitability); Iridium (lasts up to 4x longer than Copper / Nickel) is the most populated section, led by DENSO, NGK, AUTOLITE and 3 other brands.
Spark Plug Tube Seal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| BECK/ARNLEY | 0396419 | 🇺🇸 US | View on Amazon | |
| BECK/ARNLEY | 0396580 | 🇺🇸 US | View on Amazon | |
| JAPANESE OE | KF81177 | 🇺🇸 US | KP | 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.
3 Spark Plug Tube Seal parts for the 2003 Acura RL come from 2 brands — BECK/ARNLEY and JAPANESE OE.
Listed part numbers: BECK/ARNLEY 0396419, BECK/ARNLEY 0396580 and JAPANESE OE KF81177.
Buying Ignition Parts for a 2003 Acura RL
On this vehicle, the ignition system delivers spark at the right moment — plugs, coils, wires, distributors and ignition modules.
- Confirm you have the 3.5L V6 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 2003 Acura RL?
Our catalog currently lists 43 ignition parts for the 2003 Acura RL across 5 subcategories and 16 brands, covering the 3.5L V6 engine. Each part is matched to the engine(s) it fits.
What are the signs of ignition problems on a 2003 Acura RL?
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 2003 Acura RL?
Notes on this page include pre-set gaps of 0.035", 0.039", 0.040", 0.043", 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 2003 Acura RL 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 2003 Acura RL?
Every part on this page is matched to the 3.5L V6 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 2003 Acura RL
Ignition Parts for Other Acura RL 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.