Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

3G Electric
RFQ CartGet a QuoteSign inSign up
DYNABRADE Rotor: Mfr Part # 04009, Rotor - Air Tool Replacement Parts
DYNABRADEAir Tool Replacement Parts

DYNABRADE Rotor: Mfr Part # 04009, Rotor

The DYNABRADE Rotor, Mfr Part # 04009, is an air tool replacement part designed for use with compatible Grainger Part # 25H812/25H891. This rotor component is identified by manufacturer part number 04009 and…

SKU 3G-OTH-163501

Brand
DYNABRADE
Item
Rotor: Mfr Part # 04009, Rotor
Category
Air Tool Replacement Parts
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineer
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Technical Specifications

DYNABRADE
Manufacturer Part Number
04009
Type
Rotor, Compatible with Grainger Part # 25H812/25H891
View Full Spec Sheet

Technical Documents

No technical documents available for this product.
Request documentation →
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

DYNABRADE Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The DYNABRADE Rotor, Mfr Part # 04009, is an air tool replacement part designed for use with compatible Grainger Part # 25H812/25H891. This rotor component is identified by manufacturer part number 04009 and cross-references to Grainger Part # 25H812 and 53004.

Frequently Asked Questions

What is the DYNABRADE Rotor 04009 used for?

The DYNABRADE Rotor 04009 is an air tool replacement part that serves as the rotating component inside pneumatic grinders and sanders. It is compatible with Grainger Part # 25H812/25H891 and is used to restore tool performance in industrial metalworking, fabrication, and maintenance applications.

What are the specifications of the DYNABRADE Rotor 04009?

The DYNABRADE Rotor, Mfr Part # 04009, is a rotor component for air tools. It cross-references to Grainger Part # 25H812 and 53004. The manufacturer part number is 04009. This part is designed as a direct replacement for compatible DYNABRADE pneumatic tools requiring rotor service.

Where to buy DYNABRADE Rotor 04009 worldwide?

3G Electric supplies the DYNABRADE Rotor 04009 to customers worldwide. As a global industrial equipment distributor since 1990, we handle full logistics, customs clearance, and delivery to your location. Contact 3G Electric for availability and lead time on this replacement rotor part.

How to install the DYNABRADE Rotor 04009?

To install the DYNABRADE Rotor 04009, first disconnect the air tool from its supply. Remove the housing and carefully extract the old rotor. Insert the new rotor, ensuring it aligns with the vanes and bearings. Reassemble the tool and test for smooth rotation. Always follow the manufacturer's service manual for torque specs.

Used in

Common applications for DYNABRADE
Metal fabrication – DYNABRADE grinders and sanders for weld seam removal and surface blending
Automotive repair – DYNABRADE Dynafile belt sanders for contour sanding on body panels
Woodworking – DYNABRADE random orbital sanders for fine finishing of wood surfaces
Aerospace maintenance – DYNABRADE die grinders for deburring and polishing aluminum components
Marine industry – DYNABRADE right-angle grinders for removing rust and paint from metal hulls
General maintenance – DYNABRADE replacement parts (e.g., bearings, shims) for repairing pneumatic tools in plant operations

DYNABRADE Products

3G Electric supplies DYNABRADE air tool replacement parts. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

You might also need

Burners & Combustion →Pumps & Compressors →Spare Parts →All Products →

Similar products

Matched by specification & description
DYNABRADE Rotor: Mfr Part # 45291, Rotor, Compatible with Grainger Part # 13F665/25H856. Key specifications — attr948908: 45291; attr948910: 13F665; attr948911: 49455; attr948916: Rotor.
DYNABRADE
DYNABRADE Rotor: Mfr Part # 45291, Rotor, Compatible with Grainger Part # 13F665/25H856. Key specifications — attr948908: 45291; attr948910: 13F665; attr948911: 49455; attr948916: Rotor.
DYNABRADE Rotor: Mfr Part # 01148, Rotor. Key specifications — attr948908: 01148; attr948910: 25H948; attr948911: 52260; attr948916: Rotor.
DYNABRADE
DYNABRADE Rotor: Mfr Part # 01148, Rotor. Key specifications — attr948908: 01148; attr948910: 25H948; attr948911: 52260; attr948916: Rotor.
DYNABRADE Rotor: Mfr Part # 55021, Rotor. Key specifications — attr948908: 55021; attr948910: 13F673; attr948911: 52224; attr948916: Rotor.
DYNABRADE
DYNABRADE Rotor: Mfr Part # 55021, Rotor. Key specifications — attr948908: 55021; attr948910: 13F673; attr948911: 52224; attr948916: Rotor.
DYNABRADE Rotor/Shaft: Mfr Part # 07104, Rotor/Shaft, Compatible with Grainger Part # 25H859. Key specifications — attr948908: 07104; attr948910: 25H859; attr948911: 50307; attr948916: Rotor/Shaft.
DYNABRADE
DYNABRADE Rotor/Shaft: Mfr Part # 07104, Rotor/Shaft, Compatible with Grainger Part # 25H859. Key specifications — attr948908: 07104; attr948910: 25H859; attr948911: 50307; attr948916: Rotor/Shaft.
DYNABRADE Rotor: Mfr Part # 51921, Rotor, Compatible with Mfr Part # 52715/52716/52717/52718. Key specifications — attr948908: 51921; attr948910: 25H816; attr948911: 52715; attr948916: Rotor.
DYNABRADE
DYNABRADE Rotor: Mfr Part # 51921, Rotor, Compatible with Mfr Part # 52715/52716/52717/52718. Key specifications — attr948908: 51921; attr948910: 25H816; attr948911: 52715; attr948916: Rotor.
DYNABRADE Rotor: Mfr Part # 45290, Rotor. Key specifications — attr948908: 45290; attr948910: 25H841; attr948911: 48355; attr948916: Rotor.
DYNABRADE
DYNABRADE Rotor: Mfr Part # 45290, Rotor. Key specifications — attr948908: 45290; attr948910: 25H841; attr948911: 48355; attr948916: Rotor.

More from DYNABRADE

View all DYNABRADE parts →
DYNABRADE Tune Up Kit: Mfr Part # 96024, Tune Up Kit. Key specifications — attr948908: 96024; attr948911: 56826; attr948916: Tune Up Kit.
DYNABRADE
DYNABRADE Tune Up Kit: Mfr Part # 96024, Tune Up Kit. Key specifications — attr948908: 96024; attr948911: 56826; attr948916: Tune Up Kit.
DYNABRADE Tracking Wheel Assembly: Mfr Part # 66642, Tracking Wheel Assembly. Key specifications — attr948908: 66642; attr948911: 65753; attr948916: Tracking Wheel Assembly.
DYNABRADE
DYNABRADE Tracking Wheel Assembly: Mfr Part # 66642, Tracking Wheel Assembly. Key specifications — attr948908: 66642; attr948911: 65753; attr948916: Tracking Wheel Assembly.
DYNABRADE Housing for Model 51420: Mfr Part # 02109, Housing Stamped. Key specifications — attr948908: 02109; attr948911: 51420; attr948916: Housing Stamped.
DYNABRADE
DYNABRADE Housing for Model 51420: Mfr Part # 02109, Housing Stamped. Key specifications — attr948908: 02109; attr948911: 51420; attr948916: Housing Stamped.
DYNABRADE
DYNABRADE
DYNABRADE Tune-Up Kit: Mfr Part # 96173, Tune Up Kit. Key specifications — attr948908: 96173; attr948911: 52050; attr948916: Tune Up Kit.
DYNABRADE Tune-Up Kit: Mfr Part # 96100, Motor Tune-Up Kit. Key specifications — attr948908: 96100; attr948916: Motor Tune-Up Kit.
DYNABRADE
DYNABRADE Tune-Up Kit: Mfr Part # 96100, Motor Tune-Up Kit. Key specifications — attr948908: 96100; attr948916: Motor Tune-Up Kit.
DYNABRADE Planetary Carrier: Mfr Part # 54465, Planetary Carrier. Key specifications — attr948908: 54465; attr948911: 57553; attr948916: Planetary Carrier.
DYNABRADE
DYNABRADE Planetary Carrier: Mfr Part # 54465, Planetary Carrier. Key specifications — attr948908: 54465; attr948911: 57553; attr948916: Planetary Carrier.
DYNABRADE
DYNABRADE
DYNABRADE Planetary Carrier: Mfr Part # 50787, Planetary Carrier. Key specifications — attr948908: 50787; attr948911: 53202; attr948916: Planetary Carrier.
DYNABRADE
DYNABRADE
DYNABRADE Drop In Motor: Mfr Part # 01136, Motor Assembly, Compatible with Mfr Part # 14360. Key specifications — attr948908: 01136; attr948911: 14360; attr948916: Motor Assembly.