6D40 Crankshaft Rear Oil Seal BZ5941E For Mitsubishi Engine – Construction, Industrial, Agriculture

Product Details

Product Overview

This high-quality Crankshaft Rear Oil Seal, part number BZ5941E, is engineered specifically for the Mitsubishi 6D40 diesel engine. As a critical component in preventing oil leakage from the rear of the crankshaft, this seal ensures the engine maintains proper lubrication and operates efficiently under demanding conditions.

Manufactured to OEM size specifications, this replacement part is commonly used in a wide range of heavy-duty applications, including construction machinery, industrial equipment, agricultural tractors, generator sets, marine propulsion, and material handling systems. It is a direct-fit replacement designed to restore engine integrity and extend service life.

Key Features & Benefits

• Precision Fit: Manufactured to exact OEM dimensions, ensuring a perfect seal against the crankshaft and housing for leak-free operation.
• Durable Material Construction: Built from high-grade elastomer compounds that resist heat, oil, and wear, providing long-lasting performance in harsh environments.
• Enhanced Engine Protection: Prevents oil from escaping the crankcase, maintaining proper oil pressure and reducing the risk of contamination or component damage.
• Direct Replacement: Designed as a direct swap for the original Mitsubishi 6D40 seal (OEM reference BZ5941E), minimizing downtime during installation.
• Versatile Application: Suitable for multiple sectors including construction (excavators, loaders), agriculture (tractors, harvesters), industrial power units, and marine engines.
• Rigorous Testing: Each seal undergoes outgoing inspection and machinery test verification to ensure reliability before shipment.

Technical Specifications

OEM Cross-Reference

This BZ5941E crankshaft rear oil seal is an aftermarket replacement part that directly corresponds to the following original equipment manufacturer (OEM) numbers:

• Mitsubishi: BZ5941E
• Compatible With: Mitsubishi 6D40 engine series

Note: Cross-reference information is provided for identification purposes. Verify your original part number for exact compatibility.

Compatibility

This part is specifically designed for the Mitsubishi 6D40 diesel engine platform. It is commonly used for the following applications:

• Construction Machinery: Excavators, bulldozers, and wheel loaders powered by 6D40 engines.
• Industrial Equipment: Generators, compressors, and pumps fitted with Mitsubishi 6D40 power units.
• Agricultural Machinery: Tractors and harvesters utilizing this engine series.
• Marine & Handling: Small to medium marine propulsion and forklifts with 6D40 engines.

Confirmation Required: Always verify your engine model and original part number before purchase to ensure correct fitment.

Global Supply & Distribution

We maintain a robust global supply chain to serve B2B buyers across all major industrial markets. Our logistics network ensures fast and reliable delivery to:

• North America: Ports of Los Angeles, Houston, and New York.
• Europe: Rotterdam, Hamburg, and Antwerp.
• Asia-Pacific: Singapore, Shanghai, and Tokyo.
• Middle East & Africa: Dubai, Jeddah, and Durban.

With extensive export experience and compliance with international trade regulations, we can accommodate bulk orders for distributors, repair shops, and fleet operators. Each shipment is carefully packed in plastic bags, boxes, or cartons to prevent damage during transit.

Quality Assurance

Every BZ5941E oil seal is manufactured under strict quality control standards in our Guangdong facility. Key quality measures include:

• Material Certification: All seals are made from certified oil-resistant compounds that meet or exceed OEM performance requirements.
• Outgoing Inspection: Each unit is visually inspected and tested for dimensional accuracy before packaging.
• Machinery Test Report: Provided upon request to confirm seal integrity and performance under simulated operating conditions.
• Warranty: Backed by a 6-month warranty against manufacturing defects, with online support available after the warranty period.

FAQ

Q1: How can I confirm this seal fits my specific Mitsubishi 6D40 engine?
A: Check the original part number on your existing seal. If it matches BZ5941E, this seal is the correct replacement. Also, verify your engine model plate to ensure it is a 6D40 series. If you have any doubts, please provide your engine serial number for cross-referencing.

Q2: What is the recommended installation procedure for this crankshaft rear oil seal?
A: Installation should be performed by a qualified mechanic. Clean the seal housing thoroughly, lubricate the seal lip with clean engine oil, and press it evenly into place using a seal driver tool to avoid damaging the sealing edge. Ensure the crankshaft surface is smooth and free of nicks or burrs for a proper seal.

Q3: How long does this seal typically last, and what causes premature failure?
A: Under normal operating conditions, a quality oil seal can last several thousand hours. Premature failure is often caused by improper installation (e.g., misalignment or damage during fitting), contamination of the oil with debris, or excessive crankshaft end-play. Regular maintenance and using the correct oil viscosity can extend seal life.