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Sealing Washer For Head Cover
The Sealing Washer for Head Cover is a precision sealing component designed to prevent oil leakage around the cylinder head cover bolts. It ensures a tight, reliable seal under high temperature, vibration, and internal engine pressure, maintaining the integrity of the engine’s lubrication system.
Made from high-quality, heat-resistant metal with a bonded sealing layer, this washer maintains consistent compression and sealing performance. It prevents oil seepage, protects threaded fasteners, and enhances the durability of the cylinder head cover assembly, especially in heavy-duty commercial engines.
By maintaining a leak-free seal, the Sealing Washer supports cleaner engine operation, reduced maintenance needs, and improved long-term engine reliability.
Key Features
- Heat-resistant sealing washer for head cover bolts
- Prevents oil seepage and maintains tight sealing
- Bonded sealing layer ensures consistent compression
- Durable metal construction for long service life
- Performs reliably under engine heat and vibration
- Ideal for heavy-duty commercial vehicle engines
Product Specifications
| GROUP | MODEL | REF. PART NUMBER | SPECIFICATIONS |
|---|---|---|---|
| 19.017 | 3128, 2523, 2528 | A4000160080 | Sealing Washer – Head Cover bolt sealing washer, heat-resistant |
Process Steps
- Remove the old washer and clean the bolt seating area
- Inspect head cover bolt for damage or deformation
- Place the new sealing washer in its correct position
- Tighten the bolt to manufacturer torque specification
- Check for leaks after engine warm-up
FAQ
What does this sealing washer do?
It prevents oil leakage around the head cover bolts by providing a tight, heat-resistant seal.
What causes washer failure?
Heat cycles, compression fatigue, improper installation, or bolt over-tightening.
