16pc Spark Plug Thread Repair Rethreading Tool Kit M16 Threaded Coil Insert
Let Northline Parts Do the Heavy Lifting for You!
Not sure which part you need? Our team can help you find the right replacement.
Parts Support Hours: Monday–Friday, 8:00 AM–5:00 PM CT
Live Chat: Available 24/7
I reached out for some replacement head bolts and they responded quickly with a few questions and cautionary information and is sending me some bolts. Great customer service! Thanks
Edward H. — Verified customer
Compatible Models
We do our best to list all compatible models. Although this may be the part you need, your exact model may not appear below.
16pc Spark Plug Thread Repair Rethreading Tool Kit M16 Threaded Coil Insert
This 16-piece spark plug thread repair rethreading tool kit with M16 threaded coil insert restores damaged spark plug threads quickly and reliably.
Overview
This spark plug thread repair rethreading tool kit with M16 threaded coil insert provides a complete solution for fixing stripped or damaged spark plug holes. The kit includes 16 components to cut new threads and install a durable coil insert. This spark plug thread repair rethreading tool kit is suitable for aluminum and cast iron cylinder heads.
Built For Performance
- Includes tap, installation tool, and M16 threaded coil inserts
- Provides a permanent metal thread repair solution
- Works with standard shop tools for straightforward operation
- Precision-cut threads for secure spark plug seating
- Kit contents organized for quick access in professional settings
On-The-Job Use
- Repairs stripped threads in cylinder heads without removing the head
- Used for automotive, marine, and small engine applications
- Ideal for maintenance shops and mobile mechanics
Specs At A Glance
| Part Number(s) | 16pc Kit |
| Thread Size | M16 |
| Kit Contents | 16 Pieces |
| Type | Threaded Coil Insert Kit |
Good To Know
Q: Can this kit be used on both aluminum and iron heads? A: Yes, the M16 threaded coil insert works on both aluminum and cast iron cylinder heads, providing a strong repair surface.
Q: How many inserts are included in the 16-piece set? A: The kit includes multiple coil inserts along with the necessary tap and installation tools, making it a complete rethreading kit for repeated use.
Slight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.