Homelite 099980425007 Stud – Genuine OEM Replacement Engine Mounting Stud

Part Number: 099980425007
Category: Outdoor Power Equipment Parts → Engine Components → Mounting Hardware
Type: Homelite 099980425007 Stud – Genuine OEM Replacement Engine Mounting Stud

The Homelite 099980425007 Stud is a genuine OEM replacement fastener designed for compatible Homelite engine-powered equipment. Installed at the applicable engine mounting or component attachment point, the stud provides a fixed threaded connection used to position and secure the designated engine part or accessory.

Key Features & Benefits

• Part Number: 099980425007
• Genuine OEM Homelite replacement hardware
• Replacement engine mounting stud
• Provides a fixed threaded attachment point
• Helps position and secure the applicable engine component
• Supports proper component alignment
• Provides the intended thread engagement and installed height
• Suitable for engine repair and component installation
• Replaces a bent, stripped, stretched, corroded, or broken stud
• Manufactured to original equipment specifications
• Designed for approved Homelite engine applications
• Sold as an individual replacement component

Technical Specifications

• Part Number: 099980425007
• Manufacturer: Homelite
• Product Type: Stud
• Component Type: Engine Mounting Fastener
• Installation Location: Applicable engine or engine-component mounting point
• Function: Component positioning and threaded retention
• Application: Compatible Homelite engine-powered equipment
• OEM Part: Yes
• Quantity: Sold Individually

Nuts, washers, spacers, brackets, g gaskets, thread-locking compounds, and attached engine components may not be included unless specifically stated.

Compatible Applications

The Homelite 099980425007 Stud is intended for select:

• Homelite outdoor power equipment
• Compatible Homelite small-engine platforms
• Approved engine-component mounting assemblies
• Engine repair and hardware replacement
• Equipment requiring OEM stud 099980425007

Compatibility is model- and location-specific. Always verify the equipment model, type number, serial number, engine model, stud location, overall length, thread diameter, thread pitch, installed height, illustrated parts diagram, and original part number before ordering.

Function of the Mounting Stud

The 099980425007 Stud is designed to:

• Provide a fixed threaded mounting point
• Secure the applicable engine component or bracket
• Maintain proper positioning and alignment
• Support clamping force when used with a compatible nut
• Allow component removal without repeatedly disturbing the base threads
• Help distribute mounting loads through the assembly
• Maintain the intended spacing between connected components
• Restore the original mounting configuration after stud failure

Correct stud dimensions and installation depth are important for obtaining proper thread engagement without damaging the engine housing or interfering with adjacent components.

Common Signs Replacement May Be Needed

Inspect or replace the mounting stud if you notice:

• Stripped, flattened, or crossed threads
• Stud is bent, stretched, or visibly distorted
• Cracks or complete breakage
• Excessive rust, corrosion, or pitting
• Stud cannot maintain the specified nut torque
• Attached component remains loose
• Nut binds or cannot thread smoothly
• Incorrect exposed length or installed height
• Stud backs out when the nut is removed
• Threads remain lodged in the engine housing after breakage
• Damage caused by overtightening or impact
• An incorrect bolt or improvised fastener was previously installed

Similar symptoms may result from damaged housing threads, an incorrect nut, missing washers, a distorted bracket, worn mounting holes, or improper torque. Inspect the complete mounting assembly before replacing individual hardware.

Installation & Service Notes

• Shut down the equipment and allow the engine to cool completely.
• Disconnect the spark-plug wire and isolate all additional power sources.
• Clean dirt and debris from around the stud before disassembly.
• Remove the attached component according to the manufacturer’s procedure.
• Record the original stud’s installed height and orientation.
• Remove the damaged stud using the correct stud-removal tool where possible.
• Avoid damaging the engine housing or surrounding sealing surface.
• If the stud is broken, use an approved extraction method.
• Inspect the threaded hole for stripping, corrosion, or embedded debris.
• Compare the replacement stud’s length and threads with the original.
• Clean the mounting threads using the manufacturer-approved procedure.
• Apply lubricant, sealant, or thread-locking compound only when specified.
• Install the Homelite 099980425007 stud to the required depth.
• Do not bottom the stud forcefully inside a blind threaded hole.
• Reinstall the applicable gasket, bracket, component, washers, and nut.
• Tighten the assembly evenly to the specified torque.
• Verify proper alignment and clearance before operating the equipment.

Important: Overtightening can stretch the stud, strip the housing threads, distort the mounted component, or damage a gasket. Always follow the applicable Homelite torque and installation specifications.

Ordering Notes

Before purchasing, confirm:

• OEM part number 099980425007
• Equipment manufacturer and model
• Complete model and type-number suffix
• Equipment serial number
• Engine model and specification
• Stud’s installation location
• Overall and threaded lengths
• Thread diameter and pitch at each end
• Required installed height
• Nut, washer, and bracket configuration
• Illustrated parts-diagram position
• Current part-number supersession information

A similar-looking stud may use different threads at each end or require a specific installed depth. Matching the complete engine identification and OEM part number provides the most reliable compatibility confirmation.

Maintenance Recommendations

• Inspect engine mounting hardware during routine service.
• Check studs for corrosion, bending, looseness, and thread damage.
• Maintain the manufacturer-specified nut torque.
• Replace damaged nuts and washers along with the stud when necessary.
• Keep mounting surfaces clean and properly aligned.
• Do not substitute studs of an unknown material, grade, or thread pitch.
• Avoid using pliers directly on reusable stud threads.
• Repair damaged housing threads before installing a replacement stud.
• Do not reuse a stud that is cracked, stretched, or severely corroded.
• Investigate recurring looseness or breakage before installing new hardware.
• Use genuine OEM replacement components to maintain proper fit, strength, and dependable engine mounting.