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This authentic Cummins rear main crankshaft oil seal, part number 3925529, is a high-quality sealing component engineered for precise fitment and exceptional durability. Designed to meet strict OEM standards, it ensures optimal leak-proof performance within heavy-duty engine systems. Trust this genuine part to maintain your engine's integrity and long-term reliability.
Essential Fitment & Specs
| Parameter | Details |
| OE Number | 3925529 |
| Size | 130mm x 150mm x 14.5mm |
| Material | NBR, FKM/Viton, or ACM (High-grade synthetic rubber) |
| Application | Cummins |
| Engine Fitment | Cummins 4B, 4BT, 6B, 6BT, 5.9L, 6.7L, ISB, QSB series |
| Position | Rear of the engine (Crankshaft to transmission connection) |
| MOQ | 100 PCS |
Product Description
✅ Premium Engine Protection
This authentic Rear Main Crankshaft Oil Seal, OE number 3925529, is engineered specifically for Cummins engines. It provides a critical, high-performance seal at the rear of the crankshaft to prevent oil leakage.
✅ Robust Material Design
Constructed from high-grade materials like FKM or NBR, this seal is built to withstand extreme temperatures and harsh engine environments. Its durable design ensures superior wear resistance and long-lasting sealing integrity.
✅ Precise Engineering
With dimensions of 130mm x 150mm x 14.5mm, this seal is manufactured to exact OEM specifications. This precision ensures a perfect fit, effectively maintaining necessary engine pressures and fluid containment.
✅ Wide Engine Compatibility
This component is designed for various Cummins series, including the 4BT, 6BT, 5.9L, and 6.7L models. It is a reliable choice for heavy-duty applications requiring professional, consistent engine performance.
✅ Trusted Quality Assurance
By choosing this precision-engineered seal, you ensure the longevity and efficiency of your Cummins engine system. It serves as an essential component for maintaining high standards in automotive and industrial maintenance.
Trade & Supply Solutions
✅ Professional Sealing Expertise
Jinwo is a dedicated manufacturer and supplier of professional sealing solutions. With extensive experience, we provide high-quality components for automobiles, trucks, and construction machinery, ensuring your systems operate at peak efficiency.
✅ Quality B2B Focus
We are committed to a professional B2B business model, exclusively serving industry partners. By focusing on B2B requirements, we ensure that every solution meets the rigorous standards expected by our industrial clients.
✅ Customized Engineering
We offer tailored sealing solutions designed to fit the specific needs of your equipment. Our goal is to provide precise, durable components that enhance the longevity and performance of your heavy-duty machinery.
✅ Digital Connectivity
We actively utilize professional networks like LinkedIn and Facebook to reach and support our global partners. This digital presence allows us to stay connected with industry trends and provide timely, effective service.
✅ Long-Term Partnership
Choosing Jinwo means selecting a reliable partner dedicated to your operational success. We prioritize trust and professional service to build lasting relationships that support your business goals through superior sealing technology.
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