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- Centering Bolt M18X15
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Centering Bolt M18X15
The bolt’s precise threading and high-strength steel construction provide excellent resistance to shear force and fatigue. Its accurate centering ensures the spring pack sits firmly in the saddle or axle seat, maintaining consistent suspension geometry. This contributes to smoother operation and improved safety in heavy-duty vehicles.
By keeping the leaf spring stack perfectly aligned, the centering bolt reduces vibration, improves handling, and prevents uneven wear of spring leaves. It plays a critical role in maintaining vehicle stability and reducing the stress on U-bolts, clamp plates, and saddles. Durable and long-lasting, the bolt performs reliably under continuous high-load and off-road conditions, ensuring long-term suspension integrity.
Key Features
- M18 × 1.5 precision centering bolt for leaf spring alignment
- Ensures correct spring positioning and prevents shifting
- High-strength steel construction for durability
- Essential for maintaining suspension geometry and stability
- Reduces vibration and protects adjoining suspension components
Product Specifications
| GROUP | MODEL | REF. PART NUMBER | SPECIFICATIONS |
|---|---|---|---|
| 10.028 | 3128, 2523, 2528 | A4003220374 | Centering Bolt M18 × 1.5 for leaf spring alignment and fastening |
Process Steps
- Remove the old centering bolt from the spring pack.
- Align the spring leaves properly before installation.
- Insert the new Centering Bolt M18 × 1.5 through the spring stack.
- Tighten the bolt securely to ensure correct alignment.
- Reassemble U-bolts and clamp plates with OEM torque.
- Check suspension operation and verify correct seating.
FAQ
What are signs of a worn or broken centering bolt?
Misaligned spring pack, unusual vibrations, clunking noises, or uneven vehicle height.
Does replacing the centering bolt improve suspension stability?
Yes, a new bolt restores correct spring alignment and improves overall handling.
