Product Specification

New Rear Main Crankshaft Seal for S6D125 Komatsu 6151-21-4161 6151214161 - Fits PC200-6 PC220-6 Excavator - Rear Crankshaft Oil Seal Kit

Product Details

Overview

High-performance crankshaft front oil seals designed to provide reliable sealing in demanding engine environments. These seals ensure effective prevention of oil leaks while withstanding high temperatures, pressure, and exposure to oils, making them ideal for automotive and industrial applications.

Specifications

· Model Number: 6151-21-4161
· Standard Size: Yes
· Material: NBR, FKM, Rubber, Metal
· Color: Brown
· Hardness: 20–90 Shore A
· Minimum Order Quantity (MOQ): 10 PCS
· Shape: Circular

 Key Features

·  High Temperature Resistance
·  High Pressure Resistance
·  Excellent Oil Resistance
·  Superior Sealing Performance
·  Heat Resistant
·  Durable Material Composition

 Packaging

· Inner: Plastic Bag
· Outer: Paper Box

 Applications

· Automotive Crankshaft Sealing
· Industrial Machinery
· Engines and Transmission Systems
· Heavy-Duty Equipment

 Why Choose This Oil Seal?

Engineered for longevity and reliability, these crankshaft front oil seals offer optimal performance in extreme conditions. Their versatile material options and wide hardness range make them suitable for various industrial and automotive uses, ensuring leak-free operation and extended component life.

Ideal for automotive manufacturers, maintenance professionals, and industrial suppliers seeking high-quality, standard-sized oil seals for crankshaft applications.

        Company Profile

Mido Oil Seal was founded in 2007, which is a company specializing in the sale of construction machinery oil seals. Gathering oil seals from world's famous factories, with currently over 1,000 varieties in stock. The main service is construction machinery and engineering machinery.

The company has a total of three store and a warehouse now, one of which serves as the Foreign Trade Department to customer reception and product display. The most important thing is that we have a professional team for purchasing, selling, packing, shipping and after-sale service.

Our CEO Mr. Hu has been engaged in the oil seal industry since 1995. As one of the founders, he founded the Guangzhou Construction Machinery Industry Association and served as its president.

According to the actual situation of the Chinese excavator maintenance market, he has continuously studied, researched, innovated, introduced and developed high-quality oil seal repair kits that meet the real needs of the market. Ensure that customers can buy High-performance anti-leakage effect and long-term oil sealing effect. Based on technology leadership, the company has established a market research, quality assurance and after-sales service system to fully meet customers exact needs and has won excellent results in the industry. The reputation and word of mouth have won the continuous support of domestic and international counterparts and customers. Through long-term first-line services, we know that the promotion and use of high-quality oil seals are inseparable from your support and encouragement. We always adhere to the principle of quality first and benefit sharing to provide high-quality oil seals for the customers.

In addition to online sales, we also participate in exhibitions to have better face-to-face contact with customers. 

The history of exhibition

2001 Beijing BICIS

2004 Shanghai Bauma

2005 Beijing BICIS

2006 Shanghai Bauma

2007 Beijing BICIS

2009 Beijing BICIS

2011 Beijing BICIS

2013 Beijing BICIS

2024 Moscow CTT

2024 Shanghai Bauma

FAQ

Q1. Why should I choose your products? 

While operating our own manufacturing facility, we also distribute oil seals from renowned international brands. We are committed to providing one-stop solutions to meet all our customers' diverse needs. Excavator/ Loader/ Motor Grader Seal kits and Spare Parts.

Q2. What series of products does your company have?

Excavator/ Loader/ Motor Grader Seal kits and Spare Parts.

Q3. Any other good service your company can provide? 

Yes. Conduct regular follow-up visits, and there are dedicated staff available online 24 hours a day

In the era of digital office, our company is committed to providing customers with comprehensive and efficient service experiences. The "Online Specialist Response" is a key component of this commitment.