Cummins 3968563L Oil Seal High-Temperature Resistant Oil Seal for Heavy-Duty Engines

Product Description

Part No.	3968563L
Size	15cm*4cm*15cm
Weight	0.15KG
Supplier	zhengwei
Delivery Time	3-7 Days After Payment

The Cummins Oil Seal 3968563L is a high-performance rear crankshaft oil seal specifically engineered for Cummins diesel engine series including ISB6.7, QSB6.7, 4B3.9, and 6B5.9. As a crucial component in engine sealing systems, it effectively prevents oil leakage at the crankshaft interface, ensuring the stable operation of the engine's lubrication system and reducing maintenance costs for equipment operators. 

Key Features & Benefits:

Original Factory Compatibility:Designed in strict accordance with Cummins engine specifications, the 3968563L oil seal achieves 100% compatibility with ISB6.7, QSB6.7, 4B3.9, and 6B5.9 series engines. It directly replaces old seals without modification, ensuring seamless installation and reducing downtime during maintenance. 

Premium Sealing Performance:Adopting high-quality elastomeric materials, the seal maintains excellent elasticity and sealing pressure even under extreme temperature and pressure conditions. It effectively blocks oil leakage, preventing lubrication failure and avoiding costly engine repairs caused by oil loss. 

International Certification Guarantee:The product has passed CCC, ISO 9001, and TS 16949 certifications, which means it complies with global quality management standards. Each batch of seals undergoes strict quality inspection to ensure consistent performance and reliability.

Long Service Life:The advanced material formula and precision manufacturing process enhance the seal's wear resistance and aging resistance. Compared with ordinary oil seals, its service life is increased by 30%, significantly reducing the frequency of replacement and maintenance costs.

Introduction

Sichuan Zhengwei Power Technology Co.Ltd.,as the top Cummins dealer in the southwestern region, headquartered in Chengdu has exported 50+countries since 2009.We specialize in an extensive range of diesel engines and their spare parts, encompassing cylinder assemblies, piston kits, connecting rod sets, bearing and shaft components, lubrication system parts, fuel injection system elements, cooling system components, filtration system essentials, electrical system accessories, valve train parts, as well as seal and gasket sets. Our product portfolio caters to a diverse array of applications, including heavy-duty trucks, commercial vehicles, engineering machinery, agricultural equipment, mining machinery, generator sets, the marine industry, and railway systems.Both genuine and OEM are available.

International Partners

Certifications

FAQ

Q: What's the lead time for orders?

A: Standard models ship in 15–30 days; customized units require 60-90days.

 

Q: Do you provide after-sales service?

A: Yes, We have a very comprehensive after-sales system.

 

Q: Can I request a customized parts?

A: Absolutely! We offer tailored attachments.

 

Q: What documents do you provide for export?

A: Full export package (Commercial Invoice, Packing List, Bill of Lading, COC, etc.).

 

Q: How do I place an order?

A: Contact us via email/phone for a quote, then confirm with a PO.

 

Q: I'm not sure if this part fits my engine.

A: Please contact our customer service. We will help you identify or find the parts that fit your engine.

 

Q: I need other numbered parts, but they are out of stock in your store

A: You didn't want this part? Please contact us.If you can't find what you're looking for in store, it doesn't mean we're out of stock, The possible reasons are:

l The product was not put on the shelves in time

l The product link was invalid

l The keyword you searched for was incorrect

l Your part number machine model serial number was incorrect.

l Category restrictions, more optional models cannot be uploaded.

Therefore, please be sure to contact our customer service to inquiry whether the goods you need are actually in stock.l am confident that we can provide the products you need