Shock absorber Opel Astra H rear (2004–2010) — Sachs, Monroe, KYB, Bilstein
Rear shock absorber for Opel Astra H (2004–2010) — Sachs, Monroe, KYB, Bilstein and Koni part numbers with technical dimensions.
Technical Specifications
| Parameter | Value |
|---|---|
| Make / Model | Opel Astra H |
| Axle | Rear |
| Production Years | 2004–2010 |
| Extended length | 430 mm |
| Compressed length | 280 mm |
| Stroke | 150 mm |
Compatible Shock Absorbers
| Brand | Part Number | Grade |
|---|---|---|
| Sachs (ZF) | Sachs 316 820 | OE level |
| Monroe | Monroe 16812 | OE level |
| KYB | KYB 341382 | OE level |
| Bilstein | Bilstein 33-139792 | Sport / Premium |
| Koni | Koni 82-2436 | Sport / Adjustable |
Replacement Interval
Replacement is recommended every 80,000–100,000 km or when symptoms appear.
Always replace shock absorbers in pairs on the same axle — uneven wear causes the vehicle to pull to one side under braking.
Signs of Worn Shock Absorbers
- Body nose-dives under braking, bounces on bumps
- Knocking, squeaking or vague feeling through corners
- Increased stopping distance by 10–15%
- Uneven tyre wear (flat spots, cupping)
- Oil leaks visible on the shock absorber body
FAQ
Which shock absorbers should I choose for Opel Astra H?
For standard use: Sachs Sachs 316 820 or Monroe Monroe 16812 — OE-level quality at a fair price. For improved handling: Bilstein Bilstein 33-139792.
Should shock absorbers always be replaced in pairs?
Yes — always replace both shock absorbers on the same axle. A difference in condition between left and right causes instability under braking and in corners.
Do I need to replace the springs when fitting new shock absorbers on Opel Astra H?
Springs are replaced separately, only when visibly damaged (cracks, sagging, breakage). They are not replaced as routine preventive maintenance.
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