
NGK 6176 Iridium Spark Plugs - 4 Pack for Subaru Impreza | M14 x 1.25
In stock, ready to ship
In stock now — leaves the warehouse in 1–2 business days
Fitment
Listed for Impreza
Check this part against your vehicle
Options come from the vehicles named on the parts we stock.
Product details
The NGK 6176 Iridium Spark Plug set is engineered for optimal performance and reliability, designed specifically for Subaru Impreza 1.5 models.
Key Features:
- Packs include 4 spark plugs, perfect for replacements or upgrades.
- Center electrode made of iridium for superior ignitability and longevity.
- Features one ground electrode, ensuring efficient power delivery.
- Designed with low resistance (5 kOhm), eliminating electrical interference.
Specifications:
- Socket Size: 16 mm
- Thread Size: M14 x 1.25
- Thread Length: 1.04 inch (26.5 mm)
- Spark Position: 0.16 inch (4.0 mm)
- Connection: Fixed SAE connection
How to Use:
Remove old spark plugs using a compatible socket, check gap and insert the NGK Iridium spark plugs, ensuring tightness without over-torquing.
Checking fitment
Match the part number above against the part you are replacing, or check the models and engines named on this page against your vehicle. If the number matches, the part matches.
Shipping
Orders leave the warehouse in 1–2 business days. Free shipping on every US order.
Returns & warranty
30 days to return an unused part in its original packaging. Manufacturer warranty of 12 months against defects.









