Automotive Rubber Parts

Automotive Rubber Spare Parts

Size / Dimensions Custom
Material EPDM,NBR,VMQ

Send drawings, sample photos, size, quantity, material requirement, and working conditions for a faster quotation.

Product Overview

Reliable custom rubber parts for industrial applications

Quick Answer

A comprehensive assortment of precision-molded automotive rubber spare parts covering sealing, vibration isolation, and structural protection functions. The range includes CV joint boots, O-rings, body aperture seals, brake diaphragms, vibration mounts, conical buffer stops, rubber plugs, and suspension bushings — all manufactured from automotive-grade rubber compounds (NR, NBR, EPDM, CR) to OEM dimensional tolerances. Suitable for passenger vehicles, commercial vehicles, and off-highway equipment aftermarket supply.

Product Overview

Automotive rubber spare parts are critical consumable components across every major vehicle system — from drivetrain sealing and brake actuation to chassis vibration isolation and body weatherproofing. This assortment represents the full breadth of molded rubber components used throughout a modern vehicle, manufactured to OEM specifications for direct-fit aftermarket replacement.
Every part in this range is produced using controlled compression or injection molding processes with batch-consistent rubber compounds, ensuring dimensional accuracy and consistent mechanical properties across production runs. All compounds are formulated to meet automotive operating environments: oil resistance (NBR), weather and ozone resistance (EPDM), high-temperature sealing (FKM), and general-purpose dynamic applications (NR/CR).

Individual Part Descriptions

  • CV Joint Boot / Bellows Gaiter
    Function:Protects constant velocity (CV) joints from contamination and retains lubricating grease under dynamic flexing conditions.
    Material:CR (Chloroprene) or thermoplastic elastomer (TPE)
    Key Features:Multi-convolution bellows geometry; resistant to road salt, oil splash, and UV; fits standard OEM clamp interfaces Application: Front and rear CV axle shafts on FWD/AWD/RWD passenger vehicles
  • O-Ring (Round Profile, 2 sizes shown)
    Function:Radial and face sealing in static and low-cycle dynamic fluid connections.
    Material:NBR (standard), EPDM (coolant/brake fluid), FKM (high-temp/fuel)
    Key Features:
    Precision-molded to ISO 3601 dimensional standards; flash-free parting line; compound options to match media compatibility Application: Engine coolant fittings, transmission oil circuits, power steering connections, fuel injector seals
  • Oval Aperture Seal / Body Grommet (Oval)
    Function:Seals cable, wiring harness, or pipe pass-throughs in body panels; prevents water ingress and road noise transmission.
    Material:EPDM
    Key Features:Snap-fit installation; dual-lip sealing profile; UV and ozone resistant Application: Firewall wiring grommets, floor panel pass-throughs, door harness apertures
  • Rubber Diaphragm / Membrane
    Function:Flexible pressure-actuated membrane in brake boosters, clutch cylinders, or fuel pressure regulators.
    Material:NBR or EPDM fabric-reinforced
    Key Features:Fabric-reinforced for burst pressure resistance; tight thickness tolerance (±0.1mm); chemically compatible with brake fluid (DOT 3/4) and hydraulic oil Application: Brake master cylinder, clutch actuator, vacuum-operated control valves
  • Disc-Type Vibration Isolation Mount (Small)
    Function:Isolates minor vibration sources from chassis or body panels; secondary anti-rattle mounting.
    Material:NR or NBR
    Key Features:Low-profile disc geometry; center through-hole for bolt mounting; Shore A 45–60 Application:Exhaust hanger support, sensor bracket isolation, trim panel anti-rattle
  • Conical Buffer Stop
    Function:Suspension travel end-stop; absorbs kinetic energy at the limit of suspension compression or rebound stroke.
    Material:Microcellular polyurethane or solid NR
    Key Features:Progressive stiffness characteristic; conical geometry provides stable lateral guidance; resistant to fatigue under 1M+ compression cycles Application: Front strut top mount, rear axle suspension bump stop
  • Rubber Plug / Blind Grommet
    Function:Seals unused body panel holes; prevents water, dust, and noise intrusion at factory knockout points.
    Material:EPDM or NR
    Key Features:Mushroom-head snap-fit; available in standard diameters 10–40mm; UV stable Application:Floor pan drain holes, body cavity plugs, underbody sealing
  • Molded Asymmetric Seal Ring
    Function:Custom-profile sealing for non-standard port geometries on sensors, connectors, or valve bodies.
    Material:NBR or silicone (VMQ)
    Key Features:Precision-molded to drawing; flash-free; compound matched to fluid and temperature requirements Application: Transmission solenoid seals, EGR valve seals, fuel system connectors
  • Flare-Type Suspension Bushing
    Function:Provides compliant, controlled articulation at suspension pivot points while absorbing road-induced shock loads.
    Material:NR (standard), polyurethane (high-performance)
    Key Features:Flared end geometry resists axial walk-out; bonded to steel sleeve optional; Shore A 55–70 Application: Control arm inner pivot, sway bar end link, trailing arm mount
  • Flat-Base Anti-Vibration Mount (Large Disc)
    Function:Supports and isolates heavy components (compressors, motors, generators) from structural base vibration transmission.
    Material:NR with carbon black reinforcement
    Key Features:Large contact surface for load distribution; Shore A 40–60; center threaded insert optional Application: AC compressor mount, auxiliary motor support, exhaust system hanger plate
  • Legged Vibration Damper / Anti-Vibration Foot
    Function:Three-legged vibration isolation foot combining compression and shear compliance for multi-directional isolation.
    Material:NR or SBR
    Key Features:Tri-leg geometry provides stability without rigid base plate; accepts M6–M10 through-bolt; effective 10–200Hz Application: Engine mount auxiliary support, battery tray isolation, power electronics bracket
  • Double-Layer Flat Washer / Isolation Washer
    Function:Electrically isolates or vibration-decouples bolt connections between dissimilar materials or sensitive components.
    Material:NR or EPDM
    Key Features:Flat profile; consistent thickness tolerance ±0.2mm; available in ID/OD to match standard bolt patterns Application: Body bolt isolation, battery terminal insulator, sensor bracket decoupling

All parts available for OEM supply and aftermarket distribution. Custom compounds, dimensions, and packaging formats available on request. Submit part drawings or OEM part numbers for quotation.

FAQ

What types of automotive rubber spare parts can be customized?

Custom parts can include molded rubber grommets, bellows, plugs, caps and seals. The correct product structure depends on the installation position, mating components and required function. Buyers should provide a drawing, 3D model or physical sample for technical review.

How should buyers select the rubber material?

Rubber material selection depends on the application conditions. Important factors include operating temperature, contact with oil, grease, water or other media, ozone exposure, weather conditions, movement frequency and compression requirements. The compound should be matched to the actual vehicle assembly.

Can dimensions and profiles be customized?

Yes. Outer diameter, inner diameter, wall thickness, grooves, flanges, sealing lips, holes, corrugations and stepped sections can be reviewed according to your drawing or physical sample. Critical dimensions and dimensional tolerances should be identified before tooling and prototype production.

Are prototype samples available?

Prototype samples are available upon request. Sample planning depends on the product geometry, rubber compound, Shore A hardness, tooling requirements and quantity. Please provide the technical drawing or physical sample so the part can be evaluated before sample preparation.

Is tooling required for custom automotive rubber spare parts?

Custom molded rubber spare parts normally require tooling. Existing tooling can be reviewed first when the profile and dimensions are similar to an available design. For a new part, tooling cost depends on the drawing and product structure.

How is the production lead time confirmed?

The lead time is confirmed after reviewing the drawing, rubber material, hardness, tooling requirements, sample plan, inspection requirements and order quantity. Please provide the required delivery schedule and estimated annual volume when requesting a quotation.

Request a Custom Quote

Send your 2D drawing, 3D model or physical sample for a technical review of your automotive rubber spare parts. Please include the dimensions, rubber material, Shore A hardness, installation position, operating conditions, required quantity and estimated annual demand.

Technical Information

Product specifications

Final specifications depend on your drawing, sample, material selection, and working conditions.

Product Name Automotive Rubber Spare Parts
Size / Dimensions Custom
Material EPDM,NBR,VMQ
Application / Use Case This automotive rubber spare parts assortment is engineered to serve the full spectrum of vehicle systems and platforms where precision sealing, vibration isolation, and component protection are critical to vehicle performance, safety, and longevity.
Customization Available by drawing, sample, dimensions, application requirements, material requirements, and working conditions.

Manufacturing Support

From drawing review to export delivery

Julong Rubber supports custom rubber product projects from material selection and tooling to sampling, inspection, packaging, and international shipment.

Drawing or Sample Based

Production can be developed from 2D drawings, 3D files, physical samples, or application requirements.

Material Selection

We help compare rubber materials according to temperature, oil, weather, compression, load, and chemical exposure.

Tooling and Sampling

Tooling, first samples, adjustment, and pilot production can be arranged before mass production.

Quality Control

Dimensional inspection, hardness checks, visual inspection, packaging review, and batch control support.

FAQ

Common questions

These answers help purchasing teams and engineers confirm whether the product fits their project before sending an RFQ.

Can you manufacture this product based on my drawing or sample?

Yes. Julong Rubber supports OEM and ODM production based on 2D drawings, 3D files, physical samples, and real application requirements.

Can the size, material, hardness, and color be customized?

Yes. Size, material, hardness, color, structure, surface finish, and packaging can be customized according to your working conditions and order requirements.

What information should I send for quotation?

Please send drawings or sample photos, dimensions, material requirements, quantity, application, tolerance, working environment, and any compliance requirements.

Do you support sample production before mass order?

Yes. Sample production and pilot orders can be arranged after tooling or process confirmation, depending on the product structure and project requirements.

Start Your Custom Rubber Project

Need Automotive Rubber Spare Parts for your application?

Send us your drawing, sample, target quantity, and working conditions. Our team will help review material, tooling, production process, and quotation details.

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