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11 PCS Spark Plug Thread Repair Kit, M14×1.25 Inserts and M16×1.25 Tap Spark Plug Rethreading Set, Stainless Steel Thread Repair Tool Kit for Automotive Gasoline Engines Generators
✅ In stock
F
Grade
Analysis Confidence
100%
⚠️ Price may have changed. Last updated 24+ hours ago — confirm on Amazon.
Check Deal at Amazon
Price verified Sep 21, 2026 1:36 AM · Prices & availability subject to change
Is This a Good Price on Amazon?
💤 Not a Deal- 💤Verdict: Not a Deal. Price is at or above historical norms. Best to wait for a sale.
- 💰The current price is slightly above the going rate for this product — worth watching for a drop.
- 🏷️The retail sticker price has been slashed by 43% — a steep markdown from the official listing.
- 📉It has been quite a while since a more competitive price was available, lending today's offer solid comparative value.
- ➡️Pricing has held fairly steady, with no strong push in either direction.
How We Scored This Deal
Price Competitiveness
0/28
Recent Value
0/22
Market Standing
4.34/20
Deal Strength
0/20
Momentum
4/10
📝 Product Overview
🏪 Sold by
SHMZK
📦 Fulfillment
Fulfilled by Amazon
🚚 Shipping
Free Shipping
Product Details
✓Premium Material: The spark plug thread repair kit is made from high-quality stainless steel. Its high hardness and strength make it resistant to deformation and breakage and ensure great stable performance for easy drilling and repairing. Its exceptional durability ensures it can be used for a long time
✓Practical Function: This practical and efficient tool kit is designed to help you quickly and effectively repair broken spark plug threads and prolong the product's service time. This repair kit offers a convenient solution, minimizing the need to visit an auto repair shop and saving time and money
✓Precise Dimensions: Each kit contains 10 M14 × 1.25 thread inserts and 1 M16 × 1.25 thread tap, making it a professional thread repair kit. The tap shank diameter is approximately 0.39 inches, the full tap length is 3.74 inches, the tap blade length is 0.98 inches, and the thread insert length is 0.69 inches
✓Easy to Use: First, drill out the broken thread. Second, clean the hole with a cleaning cloth. Then, slightly run the tap into the hole from the bottom tapered cutting edge to the correct depth. Next, clean the thread and check the insert's size. Finally, screw in the thread repair insert using the insertion tool
✓Wide Application: Our spark plug thread repair kit is suitable for a wide range of applications, it is compatible with gasoline engines, generators, engines, and other machines. The product is an ideal thread repair solution, allowing you to easily and effectively restore broken spark plug threads
⚙️ Specifications
SHMZK
SHMZK
Spark Plug Thread Repair Kit
5 ounces
5.43 x 4.13 x 1.02 inches
Spark Plug Thread Repair Kit
Manufacturer
SHMZK
Brand
SHMZK
Model
Spark Plug Thread Repair Kit
Item Weight
5 ounces
Package Dimensions
4.84 x 3.46 x 1.38 inches
Item model number
Spark Plug Thread Repair Kit
Manufacturer Part Number
SHMZK-4211GC
ASIN
B0DSBC6Q5L
