The 2025 Nissan Altima has 11 ignition parts with verified fitment on this page — 4 part types and 7 brands, covering the 2.5L L4 engine. Each part includes a manufacturer part number and application notes.
On the 2025 Nissan Altima, the ignition system delivers spark at the right moment — plugs, coils, wires, distributors and ignition modules. Most of the listed parts are Ignition Coil (4 parts), Camshaft Position Sensor (3 parts) and Crankshaft Position Sensor (3 parts). The other 1 part type covers the remaining 1 part.
The 2025 Nissan Altima came with a single engine, the 2.5L L4, and every part is verified against it.
7 brands supply ignition parts for the 2025 Nissan Altima, led by WELLS (3 parts), DELPHI (2 parts) and WALKER PRODUCTS (2 parts), plus 4 more brands.
Each part number listed for the 2025 Nissan Altima opens a page with every vehicle that part fits.
Camshaft Position Sensor
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DELPHI | SS12267 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| WALKER PRODUCTS | 2352257 | 🇺🇸 US 🇨🇦 CA | Sensor Only | View on Amazon |
| WELLS | 5S15595 | 🇺🇸 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.
3 Camshaft Position Sensor parts for the 2025 Nissan Altima come from 3 brands — DELPHI, WALKER PRODUCTS and WELLS.
Listed part numbers: DELPHI SS12267, WALKER PRODUCTS 2352257 and WELLS 5S15595.
Crankshaft Position Sensor
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DELPHI | SS12385 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| WALKER PRODUCTS | 2352256 | 🇺🇸 US 🇨🇦 CA | Sensor Only | View on Amazon |
| WELLS | 5S16174 | 🇺🇸 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.
3 Crankshaft Position Sensor parts for the 2025 Nissan Altima come from 3 brands — DELPHI, WALKER PRODUCTS and WELLS.
Listed part numbers: DELPHI SS12385, WALKER PRODUCTS 2352256 and WELLS 5S16174.
Ignition Coil
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| BECK/ARNLEY | 1788589 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| DENSO | 6734235 | 🇺🇸 US 🇨🇦 CA | Direct Ignition Coil or Coil On Plug | View on Amazon |
| HOLSTEIN | 2IGC0617 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| WELLS | 5C2303 | 🇺🇸 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.
4 Ignition Coil parts for the 2025 Nissan Altima come from 4 brands — BECK/ARNLEY, DENSO, HOLSTEIN and 1 other brand.
Part numbers include BECK/ARNLEY 1788589, DENSO 6734235 and HOLSTEIN 2IGC0617, among others listed above.
Spark Plug
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| BOSCH | 9621 | 🇺🇸 US 🇨🇦 CA | OE Fine Wire Double IridiumPre-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.
One part is listed for the 2025 Nissan Altima — BOSCH 9621.
Buying Ignition Parts for a 2025 Nissan Altima
On this vehicle, the ignition system delivers spark at the right moment — plugs, coils, wires, distributors and ignition modules.
- Confirm you have the 2.5L 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: Ignition Coil and Camshaft Position Sensor .
Frequently Asked Questions
How many ignition parts fit the 2025 Nissan Altima?
Our catalog currently lists 11 ignition parts for the 2025 Nissan Altima across 4 subcategories and 7 brands, covering the 2.5L L4 engine. Each part is matched to the engine(s) it fits.
What are the signs of ignition problems on a 2025 Nissan Altima?
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 2025 Nissan Altima?
Notes on this page include a 0.044" pre-set gap. 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 2025 Nissan Altima 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 2025 Nissan Altima?
Every part on this page is matched to the 2.5L 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 2025 Nissan Altima
Ignition Parts for Other Nissan Altima 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.