Our Automotive EPDM Rubber Bellows Wiring Harness Grommet is a flexible, durable protective component designed to route and shield automotive wiring harnesses through vehicle body panels. It combines a corrugated bellows structure with a rigid mounting flange, ensuring reliable wire protection, vibration damping, and environmental sealing across demanding automotive applications.
Basic information
Item | Specification |
Material | EPDM Rubber (Ethylene Propylene Diene Monomer) |
Structure | Corrugated Bellows + Mounting Flange + Rectangular Terminal End |
Temperature Range | -40°C ~ 150°C |
Hardness (Shore A) | 60±5 Shore A |
Sealing Rating | IP65 (Waterproof & Dustproof) |
Length (Standard) | 100mm – 300mm (Customizable) |
Mounting Type | Flange-Mounted to Vehicle Body Panels |
Color | Black (Standard, Custom Colors Available) |
Application | Automotive Wiring Harness Protection, Door/Trunk/Hood Wiring Routing |
Performance
Flexibility & Durability: The corrugated bellows structure allows for repeated bending and extension, with a service life of over 10 years under typical automotive operating conditions.
Environmental Sealing: Provides a IP65-rated waterproof and dustproof seal, preventing water, dirt, and debris from entering the vehicle body and damaging wiring harnesses.
Vibration & Shock Absorption: EPDM rubber effectively dampens mechanical vibration and shock, reducing stress on wiring and preventing wire fatigue or breakage.
Wide Temperature Resistance: Operates reliably in temperatures ranging from -40°C to 150°C, making it suitable for extreme under-hood and cabin environments.
Easy Installation: The split/flanged design enables quick installation around existing wiring harnesses without disassembly, reducing labor time and costs.
Chemical Resistance: Resists degradation from automotive fluids, oils, and cleaning agents, ensuring long-term performance in harsh under-vehicle conditions.
Application
Car Door Wiring: Routes and protects wiring harnesses between the vehicle door and body, accommodating door opening/closing movement.
Trunk & Tailgate Wiring: Shields wiring in trunk and tailgate assemblies, providing flexibility for repeated opening and closing.
Hood & Engine Compartment: Protects engine bay wiring from heat, vibration, and fluid exposure, routing wires through firewall and body panels.
Chassis & Body Harnesses: Used throughout the vehicle to protect main wiring harnesses passing through body panels, ensuring long-term reliability.
Specialty Vehicles: Also used in trucks, trailers, and construction equipment to secure and protect heavy-duty wiring harnesses.
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