Product Overview

This High-Quality Diesel Fuel Pump Oil Seal is a precision-engineered component designed for reliable sealing in fuel injection systems. Manufactured in Shandong, China, this replacement part is ideal for B2B buyers seeking durable and cost-effective solutions for diesel engine repairs. With global shipping capabilities, we serve key markets in North America, Europe, Asia-Pacific, the Middle East, and South America, ensuring fast delivery to major ports and industrial centers. Our 24-hour online service supports international trade compliance and efficient logistics.

Key Features & Benefits

• Precision Fit: Available in sizes 20x30x7 mm and 20x30x7.3 mm, ensuring compatibility with a wide range of diesel fuel pump applications.
• High Durability: Manufactured from premium materials to withstand high pressure, temperature fluctuations, and chemical exposure in fuel injection systems.
• Reliable Performance: Designed for replacement and repair, extending the lifespan of your diesel engine components.
• Cost-Effective: High-quality at competitive prices, with a minimum order quantity (MOQ) of just 20 pieces for flexible B2B procurement.
• Global Logistics: Fast shipping via DHL, TNT, UPS, EMS, or FEDEX, with delivery within 3-7 working days.

Technical Specifications

OEM Cross-Reference

This oil seal is a direct replacement for the following OEM numbers and part references:

• OEM Number: 20*30*7
• Alternative Size: 20*30*7.3
• Compatible with various diesel fuel pump models requiring these dimensions.

Note: Always verify your original part dimensions (inner diameter x outer diameter x thickness) to ensure correct fitment. This seal matches standard 20mm ID, 30mm OD, and 7mm or 7.3mm thickness.

Compatibility

This oil seal is designed for use in car engine fuel injection systems, particularly in diesel fuel pumps. It is compatible with a broad range of vehicles and equipment that utilize standard 20x30x7 or 20x30x7.3 mm seals. Common applications include:

• Passenger car diesel engines
• Light commercial vehicle fuel pumps
• Industrial diesel engine components

Fitment Guidance: Since this is a generic replacement part, we recommend cross-referencing with your vehicle’s service manual or consulting our 24-hour online support for specific model compatibility.

Global Supply & Distribution

We offer worldwide shipping to support B2B clients across the globe. Our logistics network ensures fast and reliable delivery to:

• North America: USA, Canada, Mexico
• Europe: UK, Germany, France, Netherlands, Poland
• Asia-Pacific: Japan, South Korea, Australia, India
• Middle East: UAE, Saudi Arabia, Qatar
• South America: Brazil, Argentina, Chile

With a delivery time of 3-7 working days, we ensure rapid fulfillment to major ports and industrial hubs. Our export experience and adherence to international trade standards guarantee hassle-free customs clearance.

Quality Assurance

We prioritize quality to meet the demands of professional B2B buyers:

• Manufacturing Standards: Produced under strict quality control in Shandong, China, using advanced molding techniques.
• Warranty: Backed by a 6-month warranty against manufacturing defects, ensuring peace of mind for bulk orders.
• Testing: Each batch undergoes dimensional verification and material testing to ensure consistent performance in fuel injection systems.
• Certifications: Compliant with industry standards for automotive replacement parts.

FAQ

Q1: What are the exact dimensions of this oil seal, and how do I ensure it fits my fuel pump?
A: This seal is available in two sizes: 20x30x7 mm (inner diameter 20mm, outer diameter 30mm, thickness 7mm) and 20x30x7.3 mm (thickness 7.3mm). To ensure fitment, measure your original seal’s dimensions or consult your vehicle’s service manual. If you are unsure, contact our 24-hour online support with your pump model for assistance.

Q2: Can this oil seal be used in high-pressure fuel injection systems?
A: Yes, this seal is designed for use in diesel fuel injection systems, which operate under high pressure. It is made from durable materials that resist fuel degradation and maintain a tight seal under demanding conditions. However, always verify compatibility with your specific pump model for optimal performance.

Q3: What is the recommended installation procedure for this seal?
A: Installation should be performed by a qualified technician. Clean the seal housing thoroughly before insertion. Use a seal driver or a suitable socket to press the seal evenly into place, avoiding damage to the sealing lip. Lubricate the lip lightly with clean engine oil during installation to prevent dry start. Ensure the seal is seated flush with the housing to avoid leaks.