


Spark Plug SleeveIntroduction
Spark Plug Sleeve is a specially designed component for repairing the internal threaded holes of engine spark plug holders.When the threads of the spark plug holders can not be used normally due to wear, slipping threads or damages, the Spark Plug Sleeve is able to restore the integrity of the threads and the tightening ability, so as to ensure normal installation of the spark plugs and the stable operation of the engine.
Main functions and features:
-Repair function: Spark plug nut can fill or replace the damaged native threads, restoring the strength and precision of the threaded hole.
-Material Selection: High strength stainless steel or alloy steel material is usually used to ensure the durability and high temperature resistance of the screw sleeve.
-Multiple specifications: A variety of specifications are available, such as M12, M14, etc., to adapt to the design of different car models and engines.
-Convenient installation: Using special installation tools, the screw sleeve can be quickly and accurately installed into the spark plug holder.
-Enhancement of performance: The repaired threaded holes can ensure the solid installation of spark plugs and prevent engine performance degradation caused by threading problems.
Application range:
-Car engines: widely used in petrol or diesel engines of various passenger cars and commercial vehicles.
-Motorcycle: suitable for spark plug holder repair in motorbikes and other small engines.
-Agricultural machinery: used to repair the threading problem of spark plug holder in agricultural and construction machinery.
Use and Maintenance:
-Correct selection of specifications: confirm the correct specifications of the required screw bushing before use to avoid installation problems caused by size mismatch.
-Installation with specialised tools: Use special installation tools to ensure that the sleeve is correctly and securely seated in the spark plug holder.
-Periodic Inspection: During engine maintenance, periodically check the condition of the spark plug sleeve to ensure that it has not been deformed or damaged.
The spark plug sleeve is an important tool for maintaining and repairing the threaded hole of the engine spark plug holder, and its quality and suitability directly affect the performance and service life of the engine.
When selecting and using, the specific model of the engine and the working environment should be fully considered to ensure the best repair effect.
Name |
Spark Plug Sleeve |
Main functions and features |
Repair function,Material Selection,Multiple specifications,Convenient installation |
Application range |
Car engines,Agricultural machinery |
Use and Maintenance |
Correct selection of specifications,Installation with specialised tools |





Characteristics and advantages
It can be used in almost any material, including aluminum, cast iron, steel and plastics Positive rotation prevention of mechanical lock High strength and flexibility provide maximum pull-out strength It is easy to install and disassemble and can be installed with standard electric drill and tap. However, the keensert installation kit is also available if required No prewinder tool required Cannot cross thread during installation No need to disconnect
1. who are we?
We are based in Henan, China, start from 2014,sell to Eastern Europe(10.00%),South America(10.00%),North
America(10.00%),Africa(5.00%). There are total about 11-50 people in our office.
2. how can we guarantee quality?
Always a pre-production sample before mass production;
Always final Inspection before shipment;
3.what can you buy from us?
Wire thread insert,Self tapping insert,Tanglees,Keensert,Thread repair kit
4. why should you buy from us not from other suppliers?
Our company is a professional manufacturer of thread inserts and tools. Xinxiang, a powerful industrial city in Central China,has been engaged in thread nesting industry for more than 20 years.
5. what services can we provide?
Accepted Delivery Terms: FOB,EXW,Express Delivery;
Accepted Payment Currency:USD;
Accepted Payment Type: T/T,L/C,MoneyGram,Western Union;
Language Spoken:English,Chinese