Flexible rubber coupling for air compressor 6112303900

OEM replacement rubber coupling 2142019100

High performance air compressor coupling

Durable rubber spider coupling for compressors

Rubber elastic coupling for heavy-duty machines

Vibration dampening rubber coupling 21420-16400

Air compressor spare part – flexible rubber joint

Air Compressor Flexible Rubber Coupling | 6112303900 | 21420-16400

Durable flexible rubber coupling for air compressors, ideal for excavator OEMs.

Precision Fitment: Compatible with part numbers 6112303900, 2142019100, and 21420-16400.
Durable Rubber Composition: Made from high-quality elastomer with excellent tensile strength.
Vibration & Shock Absorption: Reduces mechanical stress and improves compressor longevity.
Easy Installation: Simplifies maintenance and reduces machine downtime.
Versatile Compatibility: Suitable for a wide range of industrial and construction air compressors.

Get A Free Quote

Rubber Coupling Description

This flexible rubber coupling is specially engineered for air compressor systems requiring high torsional flexibility and vibration damping. It is widely used in OEM and aftermarket applications, especially in construction and industrial equipment such as excavators, compressors, and general-purpose machinery. The rubber spider design ensures torque transmission while protecting connected shafts from misalignment and overload. With compatibility covering part numbers 6112303900, 2142019100, and 21420-16400, this coupling delivers reliability and performance under demanding operational conditions.
If you need a long-lasting, vibration-resistant solution for air compressor coupling systems, YNF Rubber’s products are the trusted choice.

Rubber Coupling Technical Sheet

Parameter	Details
Applicable Models	Selected Air Compressors, Excavators
OEM Part Numbers	6112303900, 2142019100, 21420-16400
YNF Part No.	YNF-RC6112
Product Category	Rubber Couplings
Material	NBR or High-Elastic Rubber Compound
Documentations	Installation guide, maintenance guide
Installation Position	Between air compressor motor & pump
Origin	Made in China
Brand	YNF Rubber
Minimum Order Quantity	10 Pieces
Shipping Options	By air, sea, or express (DHL/UPS/FedEx)
Payment Terms	T/T, L/C, Western Union

Get Free Quote of Rubber Coupling

Looking for a reliable supplier of air compressor rubber couplings? YNF Rubber specializes in high-performance flexible couplings designed for durability, vibration absorption, and easy integration with OEM systems. With global shipping and responsive service, we ensure your supply chain is never delayed. Send us your part number, and we’ll help you match the right product — quickly and accurately.

Get A Free Quote Now

Products Categories

Flexible Rubber Couplings

CF-H Couplings

CF-A Couplings

FLANGE Couplings

Spline Hubs

Gear Hubs

S Series Couplings

KY Series Couplings

CB Series Couplings

TFC Couplings

Damper

Clutch

KE Series Couplings

YC Series Couplings

GC Series Couplings (for Air Compressors)

Rubber Blocks

J Series Couplings

HRC Couplings

NM Couplings

HEX Couplings

Flexmaster System (Hose Coupling)

Anti-Vibration Mounts

FOR BREAKERS / COMPACTORS

EXCAVATOR ENGINE MOUNTS

EXCAVATOR CAB SHOCK ABSORBER

Cylindrical Bobbins

Captive Transit Mountings

Rubber Hoses

Radiator Water Hose

Intake Manifold

Bypass Hose (Water Pump Hose)

Oil-Proof Hose

Other Hoses

Hose Clamps

Silicone Hoses

Hydraulic Seals

By Brands

for Bobcat machines

for Case machines

for Caterpillar machines

for Doosan / Daewoo machines

for Hitachi machines

for Hyundai machines

for Komatsu machines

for TAKEUCHI machines

for Volvo machines

for Yanmar machines

for Terex machines

for Air Compressor

for Kobelco machines

for JCB machines

for Kato machines

for New Holland machines

for Dynapac machines

Get A Free Quote

Rubber Coupling Applications

Application Field	Description
Air Compressor Systems	Transmitting torque between motor and compressor
Excavator Equipment	Reducing vibration in hydraulic pump systems
Industrial Machinery	Used in rotary systems with misalignment tolerance
General Construction Machines	Enhancing lifespan of connected power components
OEM Manufacturing	Ideal for factory-fitted or aftermarket replacement