Shopping Cart

Your cart is empty.

Your cart is empty.

Mayhew Tools 37900 Spark Plug Thread Chaser, 14mm - 18mm

5.0 Write Review
Free shipping on orders over $29.99

$18.00

$ 8 .99 $8.99

In Stock

About this item

  • 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


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.


Recommended Products
15 Pcs Thread Inserts M14x1.5 Female Thread Repairing Accessory Assortment Kit, Spark Plug Thread Repair Kit, Drill Helicoil Repair Kit, Thread Repair Tool for Automotive Mechanical Repairing

$26.99

$ 12 .99 $12.99

5.0
Select Option
Ejoyous Spark Plug Repair Tool, High Speed Steel Metal Spark Plug Thread Insert Tap Set for Automotive Engine Repair Auto Accessories Hardware Kit

$10.39

$ 4 .99 $4.99

4.3
Select Option
HAKUNA 16pcs Spark Plug Thread Repair Kit - M14 X 1.25 Tap Spark Plug Rethreading Set with Portable Case Spark Plug Thread Repair Tool Screw Tap Carbon Steel for Gasoline Engines, Generators

$22.99

$ 9 .99 $9.99

5.0
Select Option
38900 Two Valve Tool Kit Compatible for Ford Triton,Spark Plug Thread Repair Kit,Compatible for Ford 1996 to 2003 Vehicles, for Repairing Ford 4.6L 5.4L and 6.8V-10 Two Valve Engines

$58.00

$ 25 .99 $25.99

4.6
Select Option
Lisle 65960 Thread Insert for Spark Plug Rethreading Tool

$7.98

$ 3 .99 $3.99

4.8
Select Option
Outer/Universal Spark Plug Thread Repair Tools with M14x1.25 Inner Inserts and M16x1.25 Tap/High Speed Steel Tap Spark Plug/Durable/Metal / 1 Set/Gold Tone Replacement

$19.49

$ 7 .99 $7.99

4.7
Select Option
38900 Two Valve Spark Plug Thread Repair Kit with 10*M14-1.25 Oxide Inserts Fit for 1996-2003 Ford Triton, Work with 4.6L, 5.4L, and 6.8L Engines

$59.99

$ 30 .99 $30.99

4.9
Select Option
Spark Plug Thread Repair Tools, M12x1.25 Thread Inserts + M14x1.25 Tap Metal Spark Plug Thread Hole Repair Tools Rethreaded Kit for Automotive Gasoline Engine Generators Repair

$16.39

$ 7 .99 $7.99

5.0
Select Option