3852996 O-Ring | Genuine Volvo Penta Part

🔧 Product Description

Genuine Volvo Penta o-ring for the cylinder with 10 1/2 in. full extension - 268 mm measured from end cap to pivot pin - from the Marine Propulsion group, listed for 21 applications across the TSK, DP and SX series. That extension figure is the identifying detail, because rings for other cylinder lengths are not interchangeable.

🚤 Compatibility

• Engine Family: TSK, DP, SX

Full model list at the end of this description.

⚙️ Key Features

• For the 10 1/2 in. full extension cylinder, 268 mm end cap to pivot pin
• 21 applications across the TSK, DP and SX series
• Single use once compressed
• 268mm (Volvo assembly listing)

🔌 Function

Seals a joint on the hydraulic cylinder, holding oil pressure inside the bore.

⚠️ Common Signs of Failure

• Cylinder bleeding down or drifting under load
• Oil film or weeping around the cylinder end
• System needing topping up repeatedly
• Ring cut, extruded or set hard on removal

🛠️ Service Notes

• Measure the cylinder from end cap to pivot pin at full extension and confirm it is the 268 mm unit before ordering
• Renew all the seals in the cylinder at the same time rather than one ring alone

📦 Condition

• Genuine Volvo Penta part
• Brand new
• Supplied in original or equivalent packaging

🔎 Full Model Compatibility

Typically suits:

• Volvo Penta TSK SX-C, TSK SX-C1, TSK SX-C1AC, TSK SX-C2AC, TSK SX-CLT M10, TSK SX-CLT1, TSK SX-R, TSK SX-R1, TSK SX-R2, TSK SX-S, TSK SX-SLT
• Volvo Penta SX-RT2, SX-C, SX-C1, SX-C2, SX-CT, SX-CT1, SX-CT2, SX-RT1
• Volvo Penta DP-S, DP-S1