Mayhew
Mayhew 37900 Spark Plug Thread Chaser, 14mm - 18mm 37900_43
(No reviews yet)
Write a Review
- SKU:
- 20635343
- MPN:
- 37900_43
- Availability:
- Usually ships the same or next business day. In stock at our CA, GA warehouses.
- Shipping:
- Calculated at Checkout
- Stock Update:
- 04/21/2026 07:51:24 AM PST
Bulk discount rates
Below are the available bulk discount rates for each individual item when you purchase a certain amount
| Buy 2 | and pay only $18.77 each 18.77 |
| Buy 3 | and pay only $16.45 each 16.45 |
| Buy 4 | and pay only $15.29 each 15.29 |
| Buy 5 - 7 | and pay only $14.57 each 14.57 |
| Buy 8 or above | and pay only $13.40 each 13.4 |
- Stock Update:
- 04/21/2026 07:51:24 AM PST
Description
This item is brand-new, factory sealed.
Features and Benefits:
- Dual-ended design fits most spark plug threads 14mm and 18mm
- Made from low carbon steel with proprietary heat treat for durability without damaging delicate threads
- Fits a 13/16" wrench or deep socket
- Rubber O-ring prevents slipping, ensuring socket retention
- Black nitride finish provides wear resistance
- Made in the USA
Designed to clean, restore, and rethread damaged spark plug holes. Simply place the tool in the affected/damaged area and engage the threads with a 3/16" or deep socket. Made in the USA and backed by a Lifetime Warranty.
Warranty Information
All Items are Brand New, Factory Sealed and come with a standard warranty. [Read our policies]
View AllClose
Mayhew 37900 Spark Plug Thread Chaser, 14mm - 18mm 37900_43
$19.60