21883700 Hexagon Screw | Genuine Volvo Penta Part

🔧 Product Description

This genuine Volvo Penta v8 lifter-guide screw is specified for the GM Gen IV V8 engine assembly. The thread, length, strength class and installed position must match the original fastener.

🚤 Compatibility

Typically suits:

• Volvo Penta V8-380-CE-A
• Volvo Penta V8-380-C-B
• Volvo Penta V8-380-CE-B
• Volvo Penta V8-380-C-D
• Volvo Penta V8-380-CE-D
• Volvo Penta V8-430-CE-D
• Volvo Penta V8-350-C-D
• Volvo Penta V8-350-CE-D
• Volvo Penta V8-380-C-A

• Engine Family: V
• HP Range: 350-430 HP
• Year Range: approximately 2012-2016

⚙️ Key Features

• Lifter-guide screw for the GM Gen IV V8 assembly
• Listed for 9 applications in the V petrol range
• Thread, length, strength class and installed position must match the original fastener
• 4 used per assembly

🔌 Function

Clamps the lifter guide down in the block so the lifters are held square in their bores and cannot rotate out of line with the camshaft.

⚠️ Common Signs of Failure

• Tapping or clatter from the valve gear at all temperatures
• Misfire on a cylinder where a lifter has turned or dropped
• Screw found slack, or backed out, on strip-down
• Head drive rounded or the thread stretched
• Guide cracked or fretted where the screw clamps it

🛠️ Service Notes

• A backed-out lifter-guide screw does serious damage inside the engine - check the guide, the lifters and the camshaft lobes before rebuilding

🔄 Supersession & Cross Reference

Other-Brand OEM Numbers

• VOE21883700

📦 Condition

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