The OEM Spark Plug (part number SP143877AB) is a genuine OEM part built to the exact factory specification for your Jeep. Because it is the same component fitted on the assembly line, you get an exact fit, original-equipment durability and full manufacturer warranty coverage — no guesswork, no modification, no compromise.
Fits: Jeep Grand Cherokee WK (2009–2024). Use the vehicle selector at the top of the page to confirm fitment, or send us your VIN and we will verify the part before it ships.
- Genuine OEM replacement — factory fit and finish
- Backed by the full manufacturer warranty
- Ships from our USA warehouse
- 30-day hassle-free returns on unused, uninstalled parts
Jen K. (verified owner) –
Exact OEM part, fit perfectly. Shipped fast.