Description
Product Overview
The SKF 99125 Engine Timing Cover Repair Sleeve is engineered from high‑grade stainless steel to provide a robust sealing surface for harmonic balancer shaft repairs. Measuring 4.25 x 4.25 x 1.75 inches and weighing just 1.6 ounces, the sleeve fits precisely in the center position of the timing cover. Its precision‑ground surface guarantees a leak‑free seal, extending the life of the engine’s harmonic balancer and reducing downtime.
Usage
Designed for automotive repair shops, fleet maintenance facilities, and experienced DIY mechanics, this sleeve is ideal for restoring timing cover integrity on a wide range of engine models. It excels in high‑temperature environments and resists corrosion, making it suitable for both daily drivers and performance applications. 
Why Choose Us
SKF’s reputation for engineering excellence ensures that each repair sleeve meets stringent quality standards. The stainless steel construction offers superior durability compared to standard polymer alternatives. Our product undergoes rigorous testing for fit, finish, and performance, providing confidence that the repair will hold under extreme operating conditions.
Key Features
- Precision‑ground stainless steel for a flawless seal
- Compact design fits standard timing cover dimensions
- Easy installation reduces labor time
- Corrosion‑resistant material extends service life
- OEM part number 085311041263 ensures exact fit
FAQ
What engines are compatible with the SKF 99125 sleeve?
The sleeve is compatible with most engines that use the OEM part number 085311041263. Refer to your vehicle’s service manual for exact fitment.
Can I install the sleeve without removing the harmonic balancer?
For best results, the harmonic balancer should be removed to allow proper alignment and seating of the sleeve.
Is any special tooling required?
A standard torque wrench and a mild solvent for cleaning the mating surfaces are sufficient. No specialized equipment is needed.
How does stainless steel improve performance?
Stainless steel resists corrosion and maintains dimensional stability under heat, ensuring a consistent seal and reducing the risk of leaks.
What is the warranty on this product?
SKF offers a limited one‑year warranty covering manufacturing defects for peace of mind.




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