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High Performance Shock Oil Seal for Reliable Leak Prevention

High Performance Shock Oil Seal for Reliable Leak Prevention

MOQ: 1000pcs
Price: negotiation
Standard Packaging: Standard export package
Delivery Period: 30 working days for new samples
Payment Method: T/T,Western Union,L/C
Supply Capacity: 50,000pcs per month
Detail Information
Place of Origin
NINGBO, CHINA
Brand Name
XIAYI
Certification
IATF16949:2016
Model Number
XYJD-0419b7
Product Name:
Oil Seal
Material:
NBR
Temperature:
-65-350
Application:
Shock Absorber
Sample Time:
10days
Density:
1.0-2.0
Production:
Rubber
Color:
Black Or Others
Product Description
ROHS NBR Shock Absorber Oil Seal — High-Performance Leak Prevention for Automotive Suspension Systems Product Overview

The XIAYI Shock Absorber Oil Seal is a precision-engineered sealing component designed to deliver reliable, long-lasting leak prevention in automotive and motorcycle shock absorber assemblies. Manufactured from high-grade NBR (Nitrile Butadiene Rubber) with ROHS compliance, this oil seal effectively retains hydraulic fluid within the shock absorber while blocking external contaminants such as dust, dirt, and moisture from entering the system.

With a broad operating temperature range of −60°C to 350°C, tolerance precision of ±0.05 mm, and a working life of 1–30 years under proper conditions, this oil seal is trusted by global OEMs and aftermarket suppliers for consistent performance in the most demanding suspension applications. Available in custom sizes, colors, and material compounds — including EPDM, FKM, Silicone, and NR — we provide tailored sealing solutions to match your exact specifications.

Customer Concerning Points — Engineered Solutions

We understand the critical challenges customers face when selecting shock absorber oil seals. Each of our solutions is designed to directly address these concerns:

Concern 1: Premature Oil Leakage & Seal Failure

Leaking oil seals lead to shock absorber performance degradation, safety risks, and costly warranty claims. Our NBR oil seals feature optimal hardness (Shore A), precision tolerance (±0.05 mm), and excellent gas tightness to ensure a durable, leak-free seal throughout the component lifecycle. The self-extinguishing, non-flammable material adds an extra layer of operational safety.

Concern 2: Material Incompatibility with Harsh Operating Environments

Different applications demand different material properties. Our oil seals are available in NBR, EPDM, FKM, Silicone, NR, IIR, SBR, and custom sponge rubber compounds. Each material is selected for its specific resistance profile — whether you need high heat resistance (up to 350°C), superior ozone and oxygen resistance, or excellent oil and chemical compatibility, we have a proven compound ready for your application.

Concern 3: Rapid Aging & Degradation in Service

Environmental factors such as UV exposure, ozone, and temperature cycling can cause ordinary seals to harden, crack, and fail prematurely. Our seals deliver outstanding anti-aging performance and excellent ozone resistance, ensuring consistent elasticity and sealing force over an operational lifespan of up to 30 years.

Concern 4: Difficulty Sourcing Custom Sizes & Non-Standard Specifications

Off-the-shelf seals often don't fit specialized shock absorber designs. We offer full OEM and ODM services, producing seals based on your samples or drawings with sizes from 8 mm to 36+ mm shaft diameters. MOQ as low as 1 piece for samples and 1–2 free samples available for evaluation, making prototyping and small-batch sourcing hassle-free.

Concern 5: Inconsistent Quality & Lack of Traceability

Batch-to-batch variation in seal dimensions or material properties can cause assembly line disruptions and field failures. Our manufacturing is backed by ROHS, FDA, and ISO 9001:2000 certifications, with IATF 16949:2016 compliance for automotive-grade quality management. Strict quality control systems and 100% inspection protocols ensure every seal meets specification before shipment.

Technical Specifications
Material EPDM, NR, Silicon, FKM, IIR, NBR, SBR, Sponge Rubber, or Custom Compound
Color Black, White, Red, Green, Transparent, or any Pantone color
Size As per customer's requirements (shaft diameters from 8 mm to 36+ mm)
Hardness Shore A (various hardness for your choice)
Service OEM or ODM
Production Basis Samples or Drawings
Technology Hot Pressing Molding, Injection Molding, or Extrusion
Working Temperature −60°C ~ 350°C
Tolerance ±0.05 mm
Density 1.0–2.0 g/cm³
MOQ 1 pc (samples); mass production negotiable
Certification ROHS, FDA, ISO 9001:2000, IATF 16949:2016
Conductivity Conductive or Insulative
Working Life 1–30 years
Samples 1–2 pcs of free samples available
Product Type Rubber Bushing, Rubber Gasket, Rubber Grommet, Rubber O-Ring, Rubber Washers, and Customized Rubber Products
Application Automotive, Mechanical Equipment, Construction, Home Appliance, Aviation, Office Facilities
Key Performance Properties
  • Oil Resistance — Excellent resistance to hydraulic oils and lubricants, preventing swelling and degradation in service
  • Anti-Aging Performance — Superior resistance to environmental aging, maintaining elasticity and sealing force over extended service life
  • Ozone & Oxygen Resistance — Exceptional resistance to ozone cracking and oxidative degradation for outdoor and harsh-environment applications
  • Heat Resistance — Reliable performance across a wide temperature range from −60°C to 350°C
  • Gas Tightness — Excellent sealing against gas permeation, ensuring consistent shock absorber pressure maintenance
  • Abrasion Resistance — Good wear resistance against dynamic shaft contact, extending seal and component life
  • Material Bonding — Ease of bonding to other materials including metals and plastics for integrated assembly
  • Safety — Non-flammable and self-extinguishing material properties for enhanced operational safety
Common Oil Seal Size Specifications
Specifications d Shaft (mm) D Hole (mm) H High (mm) h High (mm) Type Inflation Application
8-22-7/9.5 8 22 9.5 7 0.8 Steering Damper
10-30-8/10 10 30 10 8 0~1.2 Automobile Shock Absorber
11-25-8.3/11 11 25 11 8.3 1 Automobile Shock Absorber
11-30-8/10 11 30 10 8 1.2 Automobile Shock Absorber
11-36.3-10/12 11 36.3 12 10 Automobile Shock Absorber
12.4-25-6 12.4 25 7.5 6 0/1 Automobile Shock Absorber
12.4-25-6/8.4 12.4 25 8.4 6 Automobile Shock Absorber
12.4-25-8/10 12.4 25 10 8 0~1.2 Automobile Shock Absorber
12.5-23.7-10 12.5 23.7 10 7 0.8 Automobile Shock Absorber
Manufacturing & Quality Assurance

Our oil seals are manufactured using hot pressing molding, injection molding, or extrusion technologies — each selected based on the specific material compound and design requirements. Production is executed on a sample-or-drawing basis, ensuring every seal matches your exact specifications.

  • Production Capacity: 50,000 pcs per month
  • Quality Management: IATF 16949:2016 and ISO 9001:2000 certified
  • 100% dimensional and visual inspection before shipment
  • Free samples (1–2 pcs) available within approximately 10 days
  • Standard export packaging with custom labeling options available
Competitive Advantages
  1. Synchronized Development Design — Our engineering team can collaborate on concurrent development according to your requirements, reducing time-to-market for new shock absorber designs.
  2. Professional Technical Consultation — Expert guidance on material selection, seal geometry, and manufacturing process optimization for your specific application.
  3. Strict Quality Control System — Multi-stage inspection from incoming raw materials through final shipment, ensuring consistent quality batch after batch.
  4. 7×24 Online Service — Round-the-clock customer support via multiple channels for inquiries, order tracking, and technical assistance.
  5. Optimized Material Supply Chain — Well-established purchasing channels for high-quality rubber compounds, ensuring stable raw material availability and competitive pricing.
  6. Continuous Cost Optimization — Proactive identification of cost-saving opportunities through process improvement, material alternatives, and production efficiency gains.
Applications
  • Automotive Shock Absorbers — Passenger vehicles, commercial trucks, and SUVs
  • Motorcycle Suspension — Front fork seals and rear shock assemblies
  • Steering Dampers — Precision sealing for steering stabilization systems
  • Mechanical Equipment — Industrial machinery requiring fluid retention seals
  • Construction Equipment — Heavy-duty seals for hydraulic cylinders and dampers
  • Home Appliances — Washing machines, dishwashers, and related equipment
  • Aviation Components — High-reliability seals for aerospace applications
  • Office Facilities — Specialized sealing for office equipment mechanisms
Frequently Asked Questions (FAQ)
Q1: What material should I choose for my shock absorber oil seal?

The optimal material depends on your operating conditions. NBR (Nitrile Rubber) is our standard recommendation for general automotive shock absorbers due to its excellent oil resistance and cost-effectiveness. For high-temperature applications (above 120°C), consider FKM (Viton). For outdoor applications with high ozone exposure, EPDM offers superior weather resistance. Silicone is ideal for extreme temperature ranges (−60°C to 350°C). Our technical team can help you select the best compound based on your specific fluid type, temperature range, and pressure requirements.

Q2: Can you produce oil seals in custom sizes not listed in your catalog?

Absolutely. We specialize in custom OEM and ODM manufacturing. Simply provide your 2D/3D drawings or physical samples with the required dimensions (shaft diameter, housing bore, width, and lip configuration), and we will manufacture seals to your exact specifications. Our tolerance of ±0.05 mm ensures a precise fit every time. Free samples (1–2 pcs) are available for your evaluation before mass production.

Q3: What is the typical lifespan of your oil seals?

Under proper installation and operating conditions, our oil seals have a working life of 1–30 years, depending on the material selected, operating temperature, pressure, shaft speed, and environmental exposure. NBR seals in standard automotive shock absorbers typically last 5–10 years. For demanding applications, FKM or Silicone compounds can extend service life significantly. We recommend periodic inspection as part of routine maintenance to ensure optimal performance.

Q4: What quality certifications do your products carry?

Our oil seals are manufactured in compliance with ROHS, FDA, ISO 9001:2000, and IATF 16949:2016 certifications. IATF 16949:2016 is the global automotive quality management standard, ensuring our products meet the rigorous reliability requirements of the automotive industry. Every batch undergoes thorough quality inspection before shipment, and we can provide material certifications and inspection reports upon request.

Q5: What is your minimum order quantity (MOQ) and lead time?

Our MOQ is as low as 1 piece for sample orders, with mass production typically starting from 1,000 pcs. Sample lead time is approximately 10 days, and mass production delivery is around 30 working days after technical details and drawings are confirmed. We also offer 1–2 pcs of free samples for your evaluation. For urgent orders, please contact our sales team to discuss expedited production options.

Q6: How do I prevent oil seal leakage after installation?

Proper installation is critical for leak-free performance. Key considerations include: ensuring the shaft surface finish meets specifications (typically Ra 0.2–0.8 μm), verifying the housing bore tolerance and concentricity, using appropriate installation tools to avoid lip damage, pre-lubricating the seal lip with compatible grease or oil before assembly, and confirming correct seal orientation. Our technical consultation team can provide detailed installation guidelines and best practices for your specific application.

Q7: What payment methods and shipping terms do you accept?

We accept T/T (Telegraphic Transfer), Western Union, and L/C (Letter of Credit). Standard packaging is export-grade to ensure product protection during international transit. Price is negotiable based on order volume, material specification, and complexity. Our supply capacity is 50,000 pcs per month, ensuring reliable on-time delivery for both small and large-volume orders.

Products
PRODUCTS DETAILS
High Performance Shock Oil Seal for Reliable Leak Prevention
MOQ: 1000pcs
Price: negotiation
Standard Packaging: Standard export package
Delivery Period: 30 working days for new samples
Payment Method: T/T,Western Union,L/C
Supply Capacity: 50,000pcs per month
Detail Information
Place of Origin
NINGBO, CHINA
Brand Name
XIAYI
Certification
IATF16949:2016
Model Number
XYJD-0419b7
Product Name:
Oil Seal
Material:
NBR
Temperature:
-65-350
Application:
Shock Absorber
Sample Time:
10days
Density:
1.0-2.0
Production:
Rubber
Color:
Black Or Others
Minimum Order Quantity:
1000pcs
Price:
negotiation
Packaging Details:
Standard export package
Delivery Time:
30 working days for new samples
Payment Terms:
T/T,Western Union,L/C
Supply Ability:
50,000pcs per month
Product Description
ROHS NBR Shock Absorber Oil Seal — High-Performance Leak Prevention for Automotive Suspension Systems Product Overview

The XIAYI Shock Absorber Oil Seal is a precision-engineered sealing component designed to deliver reliable, long-lasting leak prevention in automotive and motorcycle shock absorber assemblies. Manufactured from high-grade NBR (Nitrile Butadiene Rubber) with ROHS compliance, this oil seal effectively retains hydraulic fluid within the shock absorber while blocking external contaminants such as dust, dirt, and moisture from entering the system.

With a broad operating temperature range of −60°C to 350°C, tolerance precision of ±0.05 mm, and a working life of 1–30 years under proper conditions, this oil seal is trusted by global OEMs and aftermarket suppliers for consistent performance in the most demanding suspension applications. Available in custom sizes, colors, and material compounds — including EPDM, FKM, Silicone, and NR — we provide tailored sealing solutions to match your exact specifications.

Customer Concerning Points — Engineered Solutions

We understand the critical challenges customers face when selecting shock absorber oil seals. Each of our solutions is designed to directly address these concerns:

Concern 1: Premature Oil Leakage & Seal Failure

Leaking oil seals lead to shock absorber performance degradation, safety risks, and costly warranty claims. Our NBR oil seals feature optimal hardness (Shore A), precision tolerance (±0.05 mm), and excellent gas tightness to ensure a durable, leak-free seal throughout the component lifecycle. The self-extinguishing, non-flammable material adds an extra layer of operational safety.

Concern 2: Material Incompatibility with Harsh Operating Environments

Different applications demand different material properties. Our oil seals are available in NBR, EPDM, FKM, Silicone, NR, IIR, SBR, and custom sponge rubber compounds. Each material is selected for its specific resistance profile — whether you need high heat resistance (up to 350°C), superior ozone and oxygen resistance, or excellent oil and chemical compatibility, we have a proven compound ready for your application.

Concern 3: Rapid Aging & Degradation in Service

Environmental factors such as UV exposure, ozone, and temperature cycling can cause ordinary seals to harden, crack, and fail prematurely. Our seals deliver outstanding anti-aging performance and excellent ozone resistance, ensuring consistent elasticity and sealing force over an operational lifespan of up to 30 years.

Concern 4: Difficulty Sourcing Custom Sizes & Non-Standard Specifications

Off-the-shelf seals often don't fit specialized shock absorber designs. We offer full OEM and ODM services, producing seals based on your samples or drawings with sizes from 8 mm to 36+ mm shaft diameters. MOQ as low as 1 piece for samples and 1–2 free samples available for evaluation, making prototyping and small-batch sourcing hassle-free.

Concern 5: Inconsistent Quality & Lack of Traceability

Batch-to-batch variation in seal dimensions or material properties can cause assembly line disruptions and field failures. Our manufacturing is backed by ROHS, FDA, and ISO 9001:2000 certifications, with IATF 16949:2016 compliance for automotive-grade quality management. Strict quality control systems and 100% inspection protocols ensure every seal meets specification before shipment.

Technical Specifications
Material EPDM, NR, Silicon, FKM, IIR, NBR, SBR, Sponge Rubber, or Custom Compound
Color Black, White, Red, Green, Transparent, or any Pantone color
Size As per customer's requirements (shaft diameters from 8 mm to 36+ mm)
Hardness Shore A (various hardness for your choice)
Service OEM or ODM
Production Basis Samples or Drawings
Technology Hot Pressing Molding, Injection Molding, or Extrusion
Working Temperature −60°C ~ 350°C
Tolerance ±0.05 mm
Density 1.0–2.0 g/cm³
MOQ 1 pc (samples); mass production negotiable
Certification ROHS, FDA, ISO 9001:2000, IATF 16949:2016
Conductivity Conductive or Insulative
Working Life 1–30 years
Samples 1–2 pcs of free samples available
Product Type Rubber Bushing, Rubber Gasket, Rubber Grommet, Rubber O-Ring, Rubber Washers, and Customized Rubber Products
Application Automotive, Mechanical Equipment, Construction, Home Appliance, Aviation, Office Facilities
Key Performance Properties
  • Oil Resistance — Excellent resistance to hydraulic oils and lubricants, preventing swelling and degradation in service
  • Anti-Aging Performance — Superior resistance to environmental aging, maintaining elasticity and sealing force over extended service life
  • Ozone & Oxygen Resistance — Exceptional resistance to ozone cracking and oxidative degradation for outdoor and harsh-environment applications
  • Heat Resistance — Reliable performance across a wide temperature range from −60°C to 350°C
  • Gas Tightness — Excellent sealing against gas permeation, ensuring consistent shock absorber pressure maintenance
  • Abrasion Resistance — Good wear resistance against dynamic shaft contact, extending seal and component life
  • Material Bonding — Ease of bonding to other materials including metals and plastics for integrated assembly
  • Safety — Non-flammable and self-extinguishing material properties for enhanced operational safety
Common Oil Seal Size Specifications
Specifications d Shaft (mm) D Hole (mm) H High (mm) h High (mm) Type Inflation Application
8-22-7/9.5 8 22 9.5 7 0.8 Steering Damper
10-30-8/10 10 30 10 8 0~1.2 Automobile Shock Absorber
11-25-8.3/11 11 25 11 8.3 1 Automobile Shock Absorber
11-30-8/10 11 30 10 8 1.2 Automobile Shock Absorber
11-36.3-10/12 11 36.3 12 10 Automobile Shock Absorber
12.4-25-6 12.4 25 7.5 6 0/1 Automobile Shock Absorber
12.4-25-6/8.4 12.4 25 8.4 6 Automobile Shock Absorber
12.4-25-8/10 12.4 25 10 8 0~1.2 Automobile Shock Absorber
12.5-23.7-10 12.5 23.7 10 7 0.8 Automobile Shock Absorber
Manufacturing & Quality Assurance

Our oil seals are manufactured using hot pressing molding, injection molding, or extrusion technologies — each selected based on the specific material compound and design requirements. Production is executed on a sample-or-drawing basis, ensuring every seal matches your exact specifications.

  • Production Capacity: 50,000 pcs per month
  • Quality Management: IATF 16949:2016 and ISO 9001:2000 certified
  • 100% dimensional and visual inspection before shipment
  • Free samples (1–2 pcs) available within approximately 10 days
  • Standard export packaging with custom labeling options available
Competitive Advantages
  1. Synchronized Development Design — Our engineering team can collaborate on concurrent development according to your requirements, reducing time-to-market for new shock absorber designs.
  2. Professional Technical Consultation — Expert guidance on material selection, seal geometry, and manufacturing process optimization for your specific application.
  3. Strict Quality Control System — Multi-stage inspection from incoming raw materials through final shipment, ensuring consistent quality batch after batch.
  4. 7×24 Online Service — Round-the-clock customer support via multiple channels for inquiries, order tracking, and technical assistance.
  5. Optimized Material Supply Chain — Well-established purchasing channels for high-quality rubber compounds, ensuring stable raw material availability and competitive pricing.
  6. Continuous Cost Optimization — Proactive identification of cost-saving opportunities through process improvement, material alternatives, and production efficiency gains.
Applications
  • Automotive Shock Absorbers — Passenger vehicles, commercial trucks, and SUVs
  • Motorcycle Suspension — Front fork seals and rear shock assemblies
  • Steering Dampers — Precision sealing for steering stabilization systems
  • Mechanical Equipment — Industrial machinery requiring fluid retention seals
  • Construction Equipment — Heavy-duty seals for hydraulic cylinders and dampers
  • Home Appliances — Washing machines, dishwashers, and related equipment
  • Aviation Components — High-reliability seals for aerospace applications
  • Office Facilities — Specialized sealing for office equipment mechanisms
Frequently Asked Questions (FAQ)
Q1: What material should I choose for my shock absorber oil seal?

The optimal material depends on your operating conditions. NBR (Nitrile Rubber) is our standard recommendation for general automotive shock absorbers due to its excellent oil resistance and cost-effectiveness. For high-temperature applications (above 120°C), consider FKM (Viton). For outdoor applications with high ozone exposure, EPDM offers superior weather resistance. Silicone is ideal for extreme temperature ranges (−60°C to 350°C). Our technical team can help you select the best compound based on your specific fluid type, temperature range, and pressure requirements.

Q2: Can you produce oil seals in custom sizes not listed in your catalog?

Absolutely. We specialize in custom OEM and ODM manufacturing. Simply provide your 2D/3D drawings or physical samples with the required dimensions (shaft diameter, housing bore, width, and lip configuration), and we will manufacture seals to your exact specifications. Our tolerance of ±0.05 mm ensures a precise fit every time. Free samples (1–2 pcs) are available for your evaluation before mass production.

Q3: What is the typical lifespan of your oil seals?

Under proper installation and operating conditions, our oil seals have a working life of 1–30 years, depending on the material selected, operating temperature, pressure, shaft speed, and environmental exposure. NBR seals in standard automotive shock absorbers typically last 5–10 years. For demanding applications, FKM or Silicone compounds can extend service life significantly. We recommend periodic inspection as part of routine maintenance to ensure optimal performance.

Q4: What quality certifications do your products carry?

Our oil seals are manufactured in compliance with ROHS, FDA, ISO 9001:2000, and IATF 16949:2016 certifications. IATF 16949:2016 is the global automotive quality management standard, ensuring our products meet the rigorous reliability requirements of the automotive industry. Every batch undergoes thorough quality inspection before shipment, and we can provide material certifications and inspection reports upon request.

Q5: What is your minimum order quantity (MOQ) and lead time?

Our MOQ is as low as 1 piece for sample orders, with mass production typically starting from 1,000 pcs. Sample lead time is approximately 10 days, and mass production delivery is around 30 working days after technical details and drawings are confirmed. We also offer 1–2 pcs of free samples for your evaluation. For urgent orders, please contact our sales team to discuss expedited production options.

Q6: How do I prevent oil seal leakage after installation?

Proper installation is critical for leak-free performance. Key considerations include: ensuring the shaft surface finish meets specifications (typically Ra 0.2–0.8 μm), verifying the housing bore tolerance and concentricity, using appropriate installation tools to avoid lip damage, pre-lubricating the seal lip with compatible grease or oil before assembly, and confirming correct seal orientation. Our technical consultation team can provide detailed installation guidelines and best practices for your specific application.

Q7: What payment methods and shipping terms do you accept?

We accept T/T (Telegraphic Transfer), Western Union, and L/C (Letter of Credit). Standard packaging is export-grade to ensure product protection during international transit. Price is negotiable based on order volume, material specification, and complexity. Our supply capacity is 50,000 pcs per month, ensuring reliable on-time delivery for both small and large-volume orders.

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