Product Overview

This high-quality crankshaft oil seal is engineered as a direct replacement for Caterpillar 3126 diesel engines. Designed to meet or exceed OEM specifications, it ensures reliable sealing to prevent oil leaks and maintain proper engine oil pressure. We supply this critical component to a global network of distributors, workshops, and fleet operators, with major markets including North America, Europe, the Middle East, and Asia-Pacific.

Key Features & Benefits

• Precision Engineering: Manufactured to exact OEM dimensions (OEM Size) for a perfect fit and optimal sealing performance.
• Enhanced Durability: Constructed from high-grade materials resistant to heat, oil, and abrasion for extended service life under demanding conditions.
• Reliable Leak Prevention: Effectively seals the crankshaft interface, preventing oil loss, protecting other engine components, and avoiding environmental contamination.
• Maintains Engine Performance: By ensuring proper oil retention, this seal helps maintain correct lubrication and oil pressure, which is crucial for engine longevity and efficiency.
• Rigorous Quality Control: Each seal undergoes thorough inspection and testing, supported by machinery test reports and video outgoing-inspection documentation.

Technical Specifications

OEM Cross-Reference

This part is manufactured as a direct replacement for the original Caterpillar crankshaft oil seal used in the 3126 engine. For precise cross-referencing, please consult your Caterpillar parts manual or contact our technical support with your specific engine serial number to confirm compatibility.

Compatibility

Primary Engine Application:

• Caterpillar 3126 Diesel Engine

Common Vehicle & Machinery Applications:

• Forklifts
• Excavators
• Trucks
• Loaders
• Bulldozers
• Buses
• Other heavy equipment powered by the Cat 3126 engine.

Global Supply & Distribution

We are a professional exporter of heavy-duty engine components with extensive experience in international logistics and trade compliance. Our supply chain is optimized for fast, reliable delivery to key industrial hubs worldwide.

• Worldwide Shipping: We ship via air and sea to all major global markets.
• Key Markets Served: North America (USA, Canada, Mexico), Europe (UK, Germany, Netherlands), Asia-Pacific (Australia, Japan, Singapore), the Middle East (UAE, Saudi Arabia), and South America.
• Efficient Logistics: We ensure prompt delivery to major ports and inland freight centers, supporting both bulk orders for distributors and smaller shipments for workshops.
• Export Compliance: All documentation, including commercial invoices, packing lists, and certificates of origin, is provided to ensure smooth customs clearance.

Quality Assurance

Our commitment to quality ensures you receive a reliable and durable part.

• Manufacturing Standards: Produced in a certified facility using precision tooling and quality-controlled materials.
• Comprehensive Warranty: Backed by a solid 6-month warranty against manufacturing defects.
• Testing & Inspection: Every production batch is subject to stringent quality checks. A machinery test report is available, and our video outgoing-inspection process provides transparent verification of product condition before shipment.

FAQ

Q: How do I confirm this seal will fit my specific Caterpillar 3126 engine?
A: While this seal is designed for the Cat 3126 engine, we highly recommend cross-referencing the part number from your engine’s service manual or providing your engine’s serial number to our support team for 100% fitment confirmation, as there can be minor variations.

Q: Is this the front or rear crankshaft seal?
A: This listing is for a crankshaft oil seal suitable for the Caterpillar 3126. The specific application (front or rear) depends on the exact OEM part number it replaces. Please contact us with your requirements so we can supply the correct seal for your installation.

Q: What is included in the 6-month warranty?
A: Our warranty covers any failure due to material or manufacturing defects under normal operating conditions for a period of 6 months from the date of purchase. Proper installation as per service manual procedures is required for the warranty to be valid.

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 .