1677893 Hexagon Screw | Genuine Volvo Penta Part

🔧 Product Description

Genuine Volvo Penta Hexagon Screw - Part Number: 1677893

This genuine Volvo Penta hexagon screw is a high-load crank/flywheel fastener used in the crank mechanism/flywheel fastening position. It is manufactured to the original Volvo dimensional, material and interface requirements so the serviced assembly retains its designed alignment, sealing, load capacity and operating reliability. In service, it secures the designated crank-mechanism or flywheel component at the specified high-load joint. Selection must be confirmed by OEM part number 1677893, the exact engine/product model, serial number and the installed assembly configuration.

⚙️ Key Features

• Genuine Volvo Penta OEM hexagon screw

• OEM part number 1677893

• Documented application: crank mechanism/flywheel fastening position

• Validated family: Volvo Penta 12-litre TAD1240GE crankshaft and flywheel assembly

• Primary function: Secures the designated crank-mechanism or flywheel component at the specified high-load joint

• Confirm fastener grade and reuse policy, clean threads and follow the documented torque/angle procedure

🔄 Supersession & Cross Reference

OEM Supersession Chain:

• 1677893 (current/original OEM service reference)

OEM / Related Numbers:

• 1677893

Aftermarket / Verified Equivalents:

• No aftermarket equivalent

🚤 Compatibility

Commonly used on:

• crank mechanism/flywheel fastening position

Typically suits:

• Engine / product models:

• TAD1240GE

• Engine / Application Family: Volvo Penta 12-litre TAD1240GE crankshaft and flywheel assembly

• Serial / Configuration Note: Confirm part number 1677893 against the serialised Volvo parts list and the installed assembly before ordering; adjacent production variants may use a different size, thickness, orientation or connection.

🔌 Function

Secures the designated crank-mechanism or flywheel component at the specified high-load joint. Confirm fastener grade and reuse policy, clean threads and follow the documented torque/angle procedure.

Common signs of failure:

• Flywheel or crank-joint movement/fretting

• Knocking, vibration or run-out at the flywheel

• Fastener stretch, thread damage or loss of torque

• Cracks around the bolted joint

• Starter-ring or clutch-alignment problems from joint movement

📦 Condition

• Genuine Volvo Penta part

• Brand new

• Supplied in original or equivalent packaging