Skip to Content

OEM Volvo Penta 5.0L GXi-E Vortec Cylinder Head Assembly GM 12558059

OEM GM Vortec cast-iron cylinder head removed from a Volvo Penta 5.0L GXi-E marine engine. The head is marked with casting number 12558059 and is configured for GM-based 5.0L / 305 CID V8 marine applications.

This is a complete used cylinder head assembly with the eight valves, valve springs, retainers, and rocker studs still installed as pictured. It uses the 8-bolt Vortec-style intake mounting pattern.

The cylinder head has not been pressure-tested, magnafluxed, or professionally inspected for cracks. Buyer should verify casting number, engine application, and required machining before installation.

Highlights

  • OEM GM / Volvo Penta Marine Cylinder Head
  • Removed from Volvo Penta 5.0L GXi-E
  • Casting Number: 12558059
  • GM 5.0L / 305 CID V8 Application
  • Vortec-Style Cylinder Head
  • 8-Bolt Vortec Intake Pattern
  • Cast-Iron Construction
  • Eight Valves Installed
  • Valve Springs & Retainers Included
  • Rocker Studs Included
  • Complete Assembly as Pictured
  • Sold Exactly as Shown

Condition

Used OEM take-off condition with surface oxidation, carbon buildup, staining, gasket residue, and normal wear consistent with previous marine-engine use.

The cylinder head has not been pressure-tested or magnafluxed, and no guarantee is made regarding internal condition. Inspection and/or machining is recommended prior to installation.

Please review all photos carefully for exact condition and included components.

Specifications

Brand: GM / Volvo Penta

Part Type: Cylinder Head Assembly

Casting Number: 12558059

Donor Engine: Volvo Penta 5.0L GXi-E

Engine Family: GM Small-Block V8

Displacement: 5.0L / 305 CID

Configuration: Vortec

Intake Pattern: 8-Bolt Vortec Style

Material: Cast Iron

Valves: 8

Condition: Used OEM Take-Off

Buyer is responsible for verifying casting number, engine serial number, fitment, and required machining before purchase.

Dealer Sale – Sunset Marine TX LLC

SKU: 10811

$ 257.45 $ 257.45
 Terms and Conditions