Brand Unbranded

Check the listing for details. Mercedes R129 SL500 SL320 500SL Convertible Top Hydraulic Cylinder O-rings Seals. Condition: New. Listed at 13.99 USD. Leaks often occur from worn seals (especially the rod seals/U-cup seals), leading to slow operation, failure to raise/lower, or fluid loss. The process varies slightly by cylinder type (e.g., main lift vs. latch), but here's a typical overview based on common DIY guides and videos for R129 models.

$9.79
$13.99