This page lists 8 ignition parts for the 2025 GMC Acadia, across 6 part types, covering the 2.5L L4 Turbocharged engine. Every part shows its brand, manufacturer part number and fitment notes.
On the 2025 GMC Acadia, the ignition system delivers spark at the right moment — plugs, coils, wires, distributors and ignition modules. 5 parts of the 8 listed are Camshaft Position Sensor (2 parts), Crankshaft Position Sensor (2 parts) and Camshaft Position Sensor Seal (1 part). The other 3 part types cover the remaining 3 parts.
The 2025 GMC Acadia came with a single engine, the 2.5L L4 Turbocharged, and every part is verified against it.
3 brands supply ignition parts for the 2025 GMC Acadia, led by GM GENUINE (5 parts), WELLS (2 parts) and ACDELCO (1 part).
Each part number listed for the 2025 GMC Acadia opens a page with every vehicle that part fits.
Camshaft Position Sensor
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE | 12693987 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| WELLS | 5S17948 | 🇺🇸 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.
2 Camshaft Position Sensor parts for the 2025 GMC Acadia come from 2 brands — GM GENUINE and WELLS.
Part numbers include GM GENUINE 12693987 and WELLS 5S17948.
Camshaft Position Sensor Seal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE | 12626252 | 🇺🇸 US 🇨🇦 CA | Color: Orange | 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 2025 GMC Acadia — GM GENUINE 12626252.
Crankshaft Position Sensor
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE | 12706708 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| WELLS | 5S16943 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | 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.
2 Crankshaft Position Sensor parts for the 2025 GMC Acadia come from 2 brands — GM GENUINE and WELLS.
This group includes GM GENUINE 12706708 and WELLS 5S16943.
Ignition Coil
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE | 12696103 | 🇺🇸 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.
This group shows a single part: GM GENUINE 12696103.
Spark Plug
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ACDELCO | 41158IP | 🇺🇸 US 🇨🇦 CA | GM Original EquipmentIridium | 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 GMC Acadia — ACDELCO 41158IP.
Spark Plug / Ignition Coil Boot
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE | 12696102 | 🇺🇸 US 🇨🇦 CA | 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.
This group shows a single part: GM GENUINE 12696102.
Buying Ignition Parts for a 2025 GMC Acadia
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 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: Camshaft Position Sensor and Crankshaft Position Sensor .
Frequently Asked Questions
How many ignition parts fit the 2025 GMC Acadia?
Our catalog currently lists 8 ignition parts for the 2025 GMC Acadia across 6 subcategories and 3 brands, covering the 2.5L L4 Turbocharged engine. Each part is matched to the engine(s) it fits.
What are the signs of ignition problems on a 2025 GMC Acadia?
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 2025 GMC Acadia 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 GMC Acadia?
Every part on this page is matched to the 2.5L 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 2025 GMC Acadia
Ignition Parts for Other GMC Acadia 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.