5 Ignition parts are listed for the 2026 Acura RDX, in 3 part types, covering the 2.0L L4 Turbocharged engine. Each one has a brand, a manufacturer part number and notes that say where it fits.
On the 2026 Acura RDX, the ignition system delivers spark at the right moment — plugs, coils, wires, distributors and ignition modules. All 5 listed parts are Ignition Coil (3 parts), Camshaft Position Sensor (1 part) and Spark Plug (1 part).
Every part on this page is matched to the 2.0L L4 Turbocharged — the only engine offered in the 2026 Acura RDX.
The most listed brands for 2026 Acura RDX ignition parts are HOLSTEIN (2 parts), BECK/ARNLEY (1 part) and STANDARD MOTOR PRODUCTS (1 part), plus 1 more brand. Quality grades include Standard Replacement and Economy.
Each part number listed for the 2026 Acura RDX opens a page with every vehicle that part fits.
Camshaft Position Sensor
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HOLSTEIN | 2CAM0586 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | 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.
One part is listed for the 2026 Acura RDX — HOLSTEIN 2CAM0586.
Ignition Coil
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HOLSTEIN | 2IGC0563 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| BECK/ARNLEY | 1788582 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon | |
| STANDARD MOTOR PRODUCTS | UF781 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | 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.
3 Ignition Coil parts are listed for the 2026 Acura RDX, from HOLSTEIN, BECK/ARNLEY and STANDARD MOTOR PRODUCTS.
In the Economy grade, HOLSTEIN supplies 1 part: the catalog's value-priced group. A representative part number is HOLSTEIN 2IGC0563.
The Standard Replacement section lists 2 options from BECK/ARNLEY and STANDARD MOTOR PRODUCTS — built to original-equipment specification. BECK/ARNLEY 1788582 is listed in this group.
Listed part numbers: HOLSTEIN 2IGC0563, BECK/ARNLEY 1788582 and STANDARD MOTOR PRODUCTS UF781.
Spark Plug
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| BOSCH | 8505 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | EVO | 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.
This group shows a single part: BOSCH 8505.
Buying Ignition Parts for a 2026 Acura RDX
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 Turbocharged 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 Camshaft Position Sensor .
Frequently Asked Questions
How many ignition parts fit the 2026 Acura RDX?
Our catalog currently lists 5 ignition parts for the 2026 Acura RDX across 3 subcategories and 4 brands, covering the 2.0L L4 Turbocharged engine. Each part is matched to the engine(s) it fits.
What are the signs of ignition problems on a 2026 Acura RDX?
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 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 2026 Acura RDX 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 2026 Acura RDX?
Every part on this page is matched to the 2.0L L4 Turbocharged 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 2026 Acura RDX
Ignition Parts for Other Acura RDX Years
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