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

Image not available
DYNABRADEAir Tool Replacement Parts

DYNABRADE Pinion: Mfr Part # 57431

The DYNABRADE Pinion Gear (Mfr Part #57431) is an air tool replacement part designed for use with DYNABRADE tools. This pinion gear is identified by manufacturer part number 57431 and is compatible with model 57402.

SKU 3G-OTH-163790

Brand
DYNABRADE
Item
Pinion: Mfr Part # 57431
Category
Air Tool Replacement Parts
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
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

Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

DYNABRADE
Manufacturer Part Number
57431

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 Pinion Gear (Mfr Part #57431) is an air tool replacement part designed for use with DYNABRADE tools. This pinion gear is identified by manufacturer part number 57431 and is compatible with model 57402.

Frequently Asked Questions

What is the DYNABRADE Pinion Gear 57431 used for?

The DYNABRADE Pinion Gear (part 57431) is a replacement gear used inside DYNABRADE air tools to transfer rotational force from the motor to the output shaft. It is commonly installed during tool rebuilds or repairs to restore proper operation in industrial grinding, sanding, and finishing applications.

What are the specifications of the DYNABRADE Pinion Gear 57431?

The DYNABRADE Pinion Gear is identified by manufacturer part number 57431 and is compatible with DYNABRADE model 57402. It is classified as a Pinion Gear and is designed as a direct replacement part for DYNABRADE air tools. No additional dimensions or material specs are provided by the manufacturer.

Where to buy DYNABRADE Pinion Gear 57431 worldwide?

3G Electric supplies the DYNABRADE Pinion Gear 57431 worldwide. As a global industrial equipment distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time. We source and deliver genuine replacement parts for DYNABRADE tools.

How to install the DYNABRADE Pinion Gear 57431?

To install the DYNABRADE Pinion Gear 57431, first disconnect the air tool from its power source. Disassemble the tool housing to access the gear train. Remove the old pinion gear and press the new 57431 gear onto the motor shaft, ensuring proper alignment. Reassemble and test the tool before use. Consult the tool 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

Compatible alternatives & equivalents

Cross-referenced by specification & description
Replacement pinion gear for DYNABRADE pneumatic tools. Transfers rotational force within the tool's drive train. Used in sanding, grinding, and finishing operations in metalworking and fabrication
DYNABRADE
Replacement pinion gear for DYNABRADE pneumatic tools. Transfers rotational force within the tool's drive train. Used in sanding, grinding, and finishing operations in metalworking and fabrication
DYNABRADE Pinion Gear: Mfr Part # 57749, Pinion Gear, Compatible with Mfr Part # 57310/57314/57315
DYNABRADE
DYNABRADE Pinion Gear: Mfr Part # 57749, Pinion Gear, Compatible with Mfr Part # 57310/57314/57315
DYNABRADE Pinion: Mfr Part # 02600, Pinion, Compatible with Mfr Part # 51827/51828/51829
DYNABRADE
DYNABRADE Pinion: Mfr Part # 02600, Pinion, Compatible with Mfr Part # 51827/51828/51829
DYNABRADE Pinion: Mfr Part # 52158, Spiral Bevel-Pinion
DYNABRADE
DYNABRADE Pinion: Mfr Part # 52158, Spiral Bevel-Pinion
Replacement pinion gear for pneumatic tools, compatible with part numbers 13F681 and 13F683. Used in the motor assembly to transfer rotational force in grinders, sanders, and similar air tools
DYNABRADE
Replacement pinion gear for pneumatic tools, compatible with part numbers 13F681 and 13F683. Used in the motor assembly to transfer rotational force in grinders, sanders, and similar air tools
DYNABRADE
DYNABRADE
DYNABRADE Gear: Mfr Part # 54519, Planetary Gear

More from DYNABRADE

View all DYNABRADE parts
DYNABRADE
DYNABRADE
This replacement grip top is designed for use with DYNABRADE model 64699 air tools. It restores operator comfort and control during grinding, sanding, or finishing applications in metalworking and fabrication. The part is also identified as 45J419 and 64203
Tip valve replacement part for DYNABRADE pneumatic tools. Controls airflow within the tool assembly. Used in industrial finishing, deburring, and grinding applications requiring precise airflow regulation
DYNABRADE
Tip valve replacement part for DYNABRADE pneumatic tools. Controls airflow within the tool assembly. Used in industrial finishing, deburring, and grinding applications requiring precise airflow regulation
DYNABRADE
DYNABRADE
Replacement housing assembly for DYNABRADE air tools, compatible with Model 59100 rated at 12,000 RPM. Direct-fit component for maintaining or repairing the tool housing in industrial grinding and finishing applications
Spanner wrench for use with compatible DYNABRADE air tools. Designed for tightening or loosening retaining nuts and collars during maintenance and assembly. Compatible with part # 25H828
DYNABRADE
Spanner wrench for use with compatible DYNABRADE air tools. Designed for tightening or loosening retaining nuts and collars during maintenance and assembly. Compatible with part # 25H828
Flange set for use with DYNABRADE air tool models 52573, 52574, and 52575. Includes components for securing abrasive wheels in grinding and finishing operations
DYNABRADE
Flange set for use with DYNABRADE air tool models 52573, 52574, and 52575. Includes components for securing abrasive wheels in grinding and finishing operations
DYNABRADE
DYNABRADE
Replacement housing assembly for DYNABRADE Model 51600 air tool. Designed to restore structural integrity during maintenance or repair. Supports tool operation at 2,000 RPM
Short block air motor assembly for pneumatic tools. Used to replace worn or damaged motor components, restoring tool function in industrial finishing and material removal applications. Direct replacement part for compatible DYNABRADE tools
DYNABRADE
Short block air motor assembly for pneumatic tools. Used to replace worn or damaged motor components, restoring tool function in industrial finishing and material removal applications. Direct replacement part for compatible DYNABRADE tools
Replacement flange for DYNABRADE air tool models 52638 and 52639. Used to secure abrasive discs or accessories in grinding, sanding, and finishing operations
DYNABRADE
Replacement flange for DYNABRADE air tool models 52638 and 52639. Used to secure abrasive discs or accessories in grinding, sanding, and finishing operations