3857879 Valve | Genuine Volvo Penta Part

🔧 Product Description

Genuine Volvo Penta valve in the Standard size, from the Engine group, weighing 0.109 kg and listed for 22 applications. It supersedes part number 856961.

🚤 Compatibility

Full model list at the end of this description.

⚙️ Key Features

• Standard size
• 0.109 kg
• Supersedes 856961
• Listed for 22 applications
• 4 used per assembly

🔌 Function

Seals the port in the cylinder head against combustion pressure and lifts off its seat to let gas through, guided by its stem and closed by the valve spring.

⚠️ Common Signs of Failure

• Compression down on one cylinder, with hard starting or a misfire
• Tapping or ticking from the valve gear
• Seating face burnt, pitted or receded on strip-down
• Stem worn or scored where it runs in the guide
• Blue smoke on start-up from oil past a worn guide

🛠️ Service Notes

• Valve spring 3857898 and push rod 3857899 carry the same 22 applications and are the natural companions on a head overhaul
• Check the seat and guide before condemning the valve, and reset clearances once it is in

🔄 Supersession & Cross Reference

OEM Supersession Chain

• 3857879 → Supersedes 856961

OEM / Related Numbers

• 856961 earlier number superseded by this part

📦 Condition

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

🔎 Full Model Compatibility

Typically suits:

• Volvo Penta 3.0GLM-A, 3.0GLM-B, 3.0GLM-C, 3.0GLP-A, 3.0GLP-B, 3.0GLP-C, 3.0GLP-D, 3.0GLP-E, 3.0GLP-J, 3.0GLP-N, 3.0GSM-A, 3.0GSM-B, 3.0GSMBYMCE, 3.0GSM-C, 3.0GSMWTR, 3.0GSP-A, 3.0GSP-B, 3.0GSP-C, 3.0GSPEFS, 3.0GSPWTR, 3.0GXiC-J, 3.0GXi-J