Husqvarna 530037820 Worm Gear – Genuine OEM Replacement Gear Component

Part Number: 530037820
Category: Chainsaw Oil Pump, Lubrication & Drive Parts
Type: Worm Gear – Genuine OEM Replacement Gear Component

The Husqvarna 530037820 Worm Gear is a genuine OEM replacement drive component designed for select Husqvarna, Poulan, Poulan Pro, and Craftsman chainsaws. Installed within the chainsaw's lubrication system, the worm gear helps drive the oil pump, supporting the delivery of bar and chain oil during operation.

Product Specifications

• Part Number: 530037820
• Manufacturer: Husqvarna
• Product Type: Worm Gear
• OEM Description: Worm Gear
• Component Type: Oil Pump Drive Gear
• Function: Drives the Chainsaw Oil Pump
• System: Automatic Bar & Chain Lubrication System
• Application: Gas Chainsaw
• Compatible Brands: Husqvarna / Poulan / Poulan Pro / Craftsman
• Component Location: Clutch / Oil Pump Drive Area
• Replacement Type: Direct OEM Replacement
• OEM Status: Genuine Husqvarna OEM Part
• Condition: New
• Quantity: 1 Worm Gear
• Part Number Reference: 530037820

The 530037820 Worm Gear is designed to work within the factory oil pump drive system of compatible chainsaws requiring this specific OEM component.

Features & Benefits

• Genuine Husqvarna OEM replacement component
• Factory-designated Worm Gear
• Designed for compatible chainsaw lubrication systems
• Helps drive the chainsaw's automatic oil pump
• Supports proper delivery of lubricant to the guide bar and chain
• Transfers rotational movement to the applicable oil pump mechanism
• Designed to match the original equipment gear configuration
• Helps restore operation of a worn or damaged oil pump drive system
• Maintains the chainsaw's original factory lubrication configuration
• Suitable for chainsaw maintenance, repair, and restoration
• Ideal replacement for stripped, worn, cracked, distorted, damaged, or missing worm gears
• Direct replacement for equipment requiring part number 530037820
• Genuine OEM component rather than a universal replacement gear

Applications

The Husqvarna 530037820 Worm Gear is used on select chainsaws requiring this specific oil pump drive component.

Applications may include:

• Husqvarna chainsaws
• Poulan chainsaws
• Poulan Pro chainsaws
• Select Craftsman chainsaws
• Chainsaw automatic oiling systems
• Bar and chain lubrication assemblies
• Oil pump drive assemblies
• Clutch-side lubrication components
• Oil pump repair and restoration
• Replacement of stripped or damaged oil pump gears
• OEM replacement applications requiring 530037820

Because oil pump and worm gear configurations can vary between chainsaw models and production revisions, compatibility should always be confirmed using the exact OEM part number and equipment model.

Important Notes

• Verify compatibility with your specific chainsaw model, product or UT number, serial number, engine configuration, and production revision before ordering.
• Husqvarna OEM parts documentation identifies 530037820 specifically as “Worm Gear.”
• This component is used within the applicable chainsaw oil pump drive system.
• Match part number 530037820 directly with the number shown in your chainsaw's illustrated parts diagram or OEM documentation.
• Do not select a replacement worm gear based solely on appearance. Gear diameter, tooth profile, shaft fitment, drive configuration, and equipment application can differ between similar components.
• Do not confuse 530037820 Worm Gear with the complete oil pump assembly, clutch drum, clutch, sprocket, oil pickup line, oil filter, or other lubrication system components.
• A worn or stripped worm gear may prevent the oil pump from operating correctly, potentially reducing or stopping bar and chain lubrication.
• Insufficient bar and chain lubrication can cause excessive friction, heat, accelerated wear, and damage to the guide bar and saw chain.
• If the chainsaw is not supplying bar oil properly, inspect the worm gear along with the oil pump, oil passages, pickup line, filter, oil tank, and guide bar lubrication holes.
• Inspect the gear teeth and mating drive components for wear, stripping, deformation, contamination, or other damage when replacing the worm gear.
• Remove accumulated sawdust, oil residue, and debris from the applicable oil pump and clutch area during service.
• Replace worn, stripped, cracked, seized, or otherwise damaged related lubrication and drive components as necessary.
• Make sure the replacement worm gear is correctly positioned and engaged with the applicable drive components during installation.
• After completing the repair, verify that the chainsaw is supplying bar and chain oil correctly before returning the equipment to normal service.
• Stop the engine, allow it to cool completely, disconnect the spark plug, and follow the manufacturer's service procedures before servicing the clutch or oil pump area.
• This listing is for one Husqvarna 530037820 Worm Gear only unless otherwise specified. Oil pumps, clutches, clutch drums, sprockets, oil lines, filters, guide bars, chains, and other components are sold separately.
• Match part number 530037820 with your chainsaw's illustrated parts diagram or OEM documentation before ordering to ensure proper fitment.