Homelite DF3800H-31201-A Isolator A – Genuine OEM Replacement Vibration Isolator

Part Number: DF3800H-31201-A
Category: Generator Frame & Vibration Isolation Parts
Type: Isolator A / Bottom Rubber Mount – Genuine OEM Replacement Vibration Isolator

The Homelite DF3800H-31201-A Isolator A is a genuine OEM replacement vibration-isolation component designed for compatible portable generator frame assemblies. Installed between the generator assembly and supporting frame, the isolator provides a resilient mounting point that helps absorb engine and alternator vibration during operation.

Product Specifications

• Part Number: DF3800H-31201-A
• Manufacturer: Homelite
• Product Type: Vibration Isolator / Rubber Mount
• OEM Description: Isolator A
• Alternate Description: Bottom Rubber A
• Function: Absorbs & Isolates Generator Vibration
• System: Generator Frame / Mounting Assembly
• Application: Portable Generator
• Mounting Hardware: Used with applicable flange nuts
• OEM Status: Genuine Homelite OEM Part
• Condition: New
• Quantity: 1 Isolator

OEM parts suppliers currently catalog DF3800H-31201-A as an original Homelite replacement part.

Features & Benefits

• Genuine Homelite OEM replacement component
• Factory-designated Isolator A
• Rubber-style vibration isolation mount
• Helps absorb vibration produced by the engine and generator assembly
• Helps reduce vibration transferred into the generator frame
• Provides cushioning between applicable mounted components
• Helps reduce direct metal-to-metal vibration transfer
• Maintains the generator's original factory mounting configuration
• Suitable for generator frame repair and restoration
• Ideal replacement for cracked, compressed, hardened, separated, deteriorated, or damaged isolators
• Direct replacement for equipment requiring part number DF3800H-31201-A

Applications

The DF3800H-31201-A Isolator A is documented across several compatible portable-generator platforms, including:

• Pulsar PG7500B Generator
• Pulsar PG10000 Generator
• DuroMax DS10000E Generator
• DuroMax XP6500E-style generator configurations
• Ironton 7000-Watt Generator
• Compatible portable generator frame assemblies
• Generator vibration-isolation systems
• Engine and alternator mounting assemblies
• OEM replacement applications requiring DF3800H-31201-A

For example, the Pulsar PG7500B and PG10000 parts lists both specify DF3800H-31201-A as Isolator A within the frame assembly.

Important Notes

• Verify compatibility with your specific generator model and production configuration before ordering.
• Homelite OEM suppliers identify DF3800H-31201-A specifically as “Isolator A.”
• Some generator parts documentation describes DF3800H-31201-A as “Bottom Rubber A.” This refers to the same vibration-isolation component.
• The Pulsar PG7500B parts breakdown specifies two DF3800H-31201-A Isolator A components per applicable generator assembly.
• The Pulsar PG10000 also specifies two DF3800H-31201-A isolators within its frame assembly.
• The DuroMax DS10000E parts documentation identifies two DF3800H-31201-A components as Bottom Rubber A.
• DF3800H-31201-A Isolator A and DF3800H-31202-A Isolator B are separate components. Compatible generator frame assemblies may use both types, so match the exact part number and mounting location before ordering.
• On the PG7500B configuration, Isolator A is associated with M12 flange nuts, while Isolator B is associated with M10 flange nuts. These fasteners are separate components.
• This listing is for one DF3800H-31201-A Isolator A only unless otherwise specified. Isolator B mounts, frame assemblies, vibration pads, flange nuts, wheels, axles, and other generator components are sold separately.
• Inspect the other vibration isolators and mounting hardware when replacing this component. Replacing deteriorated mounts as needed can help maintain proper generator support and vibration isolation.
• Match part number DF3800H-31201-A with your equipment's illustrated parts diagram before ordering to ensure proper fitment.