For this exact 2025 configuration, the manufacturer-source details are below. Heat range, gap, thread and factory ignition equipment matter. Use the exact OEM code or a documented cross-reference, and never infer fit from displacement alone.
Scope of this value
i-stop not known; spark plug selection must branch. Heat range, gap, thread and factory ignition equipment matter. Use the exact OEM code or a documented cross-reference, and never infer fit from displacement alone.
Source-backed specification
| Field | Value |
|---|---|
| Factory part by equipment | With i stop: P5SP-18110; Without i stop: PE5R-18-110-A |
| Requires equipment check | Yes |
Verification: manufacturer confirmed. Two mutually exclusive plug part numbers depending on i-stop. Never present one as fitting all 2.5 non-turbo variants.
Related OEM part numbers
- Mazda Genuine P5SP-18110 — manufacturer confirmed with equipment condition; This part only fits the specified i-stop configuration. A 2025 VIN/equipment check is mandatory.
- Mazda Genuine PE5R-18-110-A — manufacturer confirmed with equipment condition; This part only fits the specified i-stop configuration. A 2025 VIN/equipment check is mandatory.
We have no validated Amazon ASIN for this item. Any future store listing needs its own product-to-vehicle review.
Check before service or purchase
- Confirm the exact 2025 US-market engine, powertrain, drivetrain and option package.
- Compare the current owner manual and the VIN-specific OEM parts catalog.
- For fluids, distinguish factory fill, drain-and-refill and with-filter capacities.
- For safety-critical work, ask a qualified shop to verify the application and procedure.
Primary source and review date
- Mazda US 2025 CX-5 capacities and specifications (reviewed 2026-11-02)
Common questions
Is this a confirmed Amazon product match?
No. The dataset has no verified ASIN or live purchase offer.
Can I use this value on another engine or year?
No. This page is limited to the named 2025 vehicle configuration.
What if my manual differs?
Follow the current manual for your exact VIN and ask the manufacturer or dealer about the discrepancy.