Product Overview

This is a premium-quality crankshaft front oil seal designed for Cummins QSX15 diesel engines. Engineered for durability and precise fitment, it is an essential component for preventing oil leaks and maintaining optimal engine pressure. We supply this critical spare part to a global network of distributors, workshops, and fleet operators, with major markets across North America, Europe, the Middle East, and Asia-Pacific.

Key Features & Benefits

• Precision Engineering: Manufactured to exact OEM dimensions (OEM Size) for a perfect, leak-free seal and easy installation.
• Enhanced Durability: Constructed from high-grade materials resistant to heat, oil, and pressure fluctuations, ensuring long service life under demanding conditions.
• Optimal Engine Protection: Effectively prevents oil leakage from the front of the crankshaft, safeguarding engine performance and preventing contamination.
• Rigorous Quality Control: Each seal undergoes thorough inspection, supported by machinery test reports and video outgoing-inspection to guarantee performance.
• Global Compliance Ready: Packaged for international shipping and trade, ensuring safe arrival to your destination.

Technical Specifications

OEM Cross-Reference

This part is a direct replacement for the following OEM numbers:

• Cummins: 4955383, 4101504

Always verify part numbers against your engine’s service manual or existing component for confirmation.

Compatibility

This crankshaft front oil seal is specifically designed for the Cummins QSX15 diesel engine platform. This engine is commonly found in a wide range of heavy-duty machinery and vehicles, including:

• Excavators
• Loaders and Bulldozers
• Trucks and Dump Trucks
• Buses and Coaches
• Forklifts
• Industrial Power Units

Global Supply & Distribution

We are a trusted supplier for the global aftermarket, specializing in efficient international logistics for automotive and machinery parts.

• Worldwide Shipping: We export to all major industrial regions, including North America (USA, Canada, Mexico), Europe (UK, Germany, Poland), the Middle East (UAE, Saudi Arabia), and Asia-Pacific (Australia, Singapore).
• Fast Delivery Network: Consolidated shipments ensure cost-effective and timely delivery to major ports and logistics hubs. We work with reliable freight forwarders to meet your deadlines.
• Export Expertise: All documentation (commercial invoice, packing list, certificate of origin) is prepared professionally to ensure smooth customs clearance worldwide.

Quality Assurance

Our commitment to quality ensures you receive reliable parts that meet performance expectations.

• Manufacturing Standards: Produced in ISO-certified facilities using precision tooling to match original specifications.
• Comprehensive Warranty: Backed by a 6-month warranty from the date of purchase, covering defects in material and workmanship.
• Testing & Inspection: Quality is verified through machinery test reports and recorded video outgoing-inspection processes, providing transparency and confidence in every unit shipped.

FAQ

Q: How do I confirm this oil seal will fit my specific Cummins QSX15 engine?
A: The most reliable method is to cross-reference the part number stamped on your original seal or listed in your engine’s service manual with our listed OEM numbers (4955383, 4101504). You can also provide your engine’s serial number for additional verification by our technical team.

Q: What are the critical steps for installing this front crankshaft seal?
A: Ensure the crankshaft sealing surface and the housing bore are clean, smooth, and free of debris or old seal material. Lubricate the seal lip with clean engine oil before installation. Use the proper installation tool to press the seal in evenly and to the correct depth to prevent damage and ensure a proper seal.

Q: Do you support bulk orders for fleet maintenance or distribution?
A: Yes, we specialize in B2B supply and offer competitive pricing for bulk quantities. We can provide customized packing, consolidated shipping, and all necessary export documentation to streamline your supply chain. Contact our sales team for a quote.

Our advantages

1.An authorized wholesaler of Isuzu genuine parts, Hino genuine parts, Mitsubishi genuine parts and Mahle parts.

2. We are not only supply genuine parts, but also high quality OEM parts, which are made in China or made in Japan.

3. More than 10 years of experience in machinery parts, professional supply of diesel engine parts.

4. Fast delivery, the fastest can be shipped in one day ,more than 500,000 of different types parts in stock.

5. Scientific ERP system, easy and fast to locate the parts that customer needs.

6. Professional technician checks the parts before delivery, to make sure the parts are correct, usable and defect-free.

Exhibition

Packing&Shipping

1.  Our shipment is by air/sea/express (DHL/FEDEX/TNT/UPS/EMS).

2.  Once we get confirmation of payment, we will ship products in 2 days.

3.  Our packaging is standard export wooden box or others as your requirement.

4. We’ll check and test the products before shipping , and givethe pictures to our customers to confirm.

FAQ

Q1. What is your company major products?

A: Our main products are Liner kit, Piston, Rings, Liner, Gasket kit, Bearing, Injection pump, Nozzle, Water pump, Oil pump,Crankshaft, Turbocharger,Filter, etc.

Q2.What is the MOQ?

A: Normally we can supply any quantity if we have in stock.

Q3. What is your payment term ?

A: We accept Western Union, T/T, Paypal.

Q4. What is the packing ?

A: Carton or wooden case , If you want to put your logo on the packing , We will do it after get your authorization letter.

Q5. When can you deliver products after payment ?

A: By Express ,usually might take 3-4 days ;By Air , Usually take 7-9 days ; By Sea ,usually take 1-2 months .

Q6. What can you do to complete order perfectly ?

A: In the beginning , We will communicate with clients in details to understand what they need .

Before packing , We will check the products and send photos to clients .After confirmation ,

We will packing products well to avoid damage . Once we get tracking number ,

We will send it to customer and keep contact in with clients .