Sierra Cylinder Head Gasket 18-60917, Replaces 3V1010050M, Fits F8/9.8 Outboards

The Sierra 18-60917 is a cylinder head gasket engineered to seal the joint between the cylinder head and cylinder block on F8/9.8 outboard engines. This gasket forms the critical seal that maintains compression and prevents coolant and combustion gases from leaking past the cylinder head mating surface, which is essential for proper engine performance and preventing overheating or power loss. It is designed as a direct fit replacement for the original equipment gasket, matching the dimensions and sealing points of the factory part so it installs in the same location using the same fasteners and torque sequence as the original.

Using the correct cylinder head gasket during a rebuild or head gasket replacement helps restore proper compression and prevents coolant intrusion into the cylinders, which can lead to costly engine damage if left unaddressed. The Sierra 18-60917 is intended for outboard owners and marine technicians performing head gasket service on F8/9.8 outboard motors, and it cross-references directly to the original manufacturer part number for easy identification when ordering.

Specifications

• Brand: Sierra
• Manufacturer Part Number: 18-60917
• Product Name: Cylinder Head Gasket
• Weight: 0.02 pounds
• Fitment: F8/9.8
• OEM Cross-Reference: 3V1010050M

Fitment

• F8/9.8

Replaces (OEM)

• 3V1010050M

Frequently Asked Questions

What does the Sierra 18-60917 gasket fit? The Sierra 18-60917 cylinder head gasket fits F8/9.8 outboard engines.

Is the Sierra 18-60917 the same as OEM part 3V1010050M? Yes, the Sierra 18-60917 is a direct replacement for OEM part number 3V1010050M and seals the same cylinder head joint on F8/9.8 outboards.

What type of gasket is the 18-60917? It is a cylinder head gasket that seals the mating surface between the cylinder head and cylinder block on F8/9.8 outboard engines.

How much does the 18-60917 gasket weigh? The Sierra 18-60917 cylinder head gasket weighs 0.02 pounds.

When should the 18-60917 head gasket be replaced? Replace the Sierra 18-60917 whenever the cylinder head is removed for service or if there are signs of a compression leak or coolant intrusion on an F8/9.8 outboard.

Does the 18-60917 require a specific torque sequence? The Sierra 18-60917 should be installed using the same fastener locations and torque sequence specified for the F8/9.8 outboard's cylinder head.

Can the 18-60917 be reused after removal? No, a cylinder head gasket like the Sierra 18-60917 should be replaced with a new one any time the cylinder head is removed, since it will not reseal properly once compressed.

Is the Sierra 18-60917 an OEM or aftermarket part? The Sierra 18-60917 is an aftermarket gasket manufactured to replace OEM part number 3V1010050M on F8/9.8 outboards.

What other gaskets are commonly replaced along with the 18-60917? When servicing the cylinder head on an F8/9.8 outboard, technicians often replace related gaskets at the same time as the Sierra 18-60917 cylinder head gasket.

Does the 18-60917 come as a single gasket? Yes, the Sierra 18-60917 is supplied as the cylinder head gasket for F8/9.8 outboard engines.