Premium OEM Standard Parts for Global Industrial & Construction Fleets
The 3395392 (also searched as 3395392) is a high-performance crankshaft rear oil seal designed specifically for heavy-duty diesel engines. Ensuring a leak-proof environment is critical for maintaining oil pressure and engine longevity.
| Model NO. | Caterpillar C15, C18, 3406E, C-15, C-16 |
| Product Name | Crankshaft Rear Oil Seal / Oil Seal |
| Part Number | 3395392 (3395392) |
| Type | Dynamic Rotary Sealing Component |
| Condition | Brand New, OEM Standard Replacement |
| Application | Engine rebuild, overhaul, preventative maintenance |
| Stock Status | In Stock / Fast Dispatch Globally |
| Payment Terms | T/T, Western Union, MoneyGram |
| Delivery Methods | DHL, Fedex, EMS, UPS, Air/Sea Freight |
When sourcing engine seals for your fleet, understanding the difference in material composition is vital for reducing downtime.
| Core Procurement Points | Standard 3395392 Replacement | Low-Cost Generic Alternatives |
|---|---|---|
| 1. Material Integrity | High-grade Viton/PTFE with heat resistance | Standard Nitrile (Nbr) prone to hardening |
| 2. Installation Fit | Precision engineered for C15/C18 housings | Loose tolerances causing immediate leaks |
| 3. Wear Sleeve Tech | Integrated wear sleeve for protection | No sleeve, risks damaging the crankshaft |
| 4. Operating Life | 10,000+ Running Hours | Less than 2,000 hours |
| 5. Thermal Range | -40°C to 220°C | Maximum 100°C |
| 6. Reliability Index | 99.9% Fleet Satisfaction | High rate of return and warranty claims |
Q1: Why is oil leaking from the rear of my Caterpillar C15 engine?
A: The most common cause is a worn-out 3395392 rear main seal. Over time, heat and friction degrade the sealing lip. Replacing the seal during a scheduled overhaul is recommended to prevent oil contamination of the flywheel and clutch area.
Q2: Do I need special tools to install the 3395392 oil seal?
A: Yes, using a professional seal installer tool ensures the seal is seated squarely. Improper installation is the leading cause of premature seal failure in C18 and 3406E models.
Q3: Why Choose This Oil Seal?
A: Our 3395392 features an OEM-standard tri-metal structure and high-temp resistant polymers. It is trusted by professional repair shops and heavy equipment fleets worldwide for its durability in extreme mining and construction environments.
Not sure how this issue affects your equipment?
Our team helps operators:
✔ Identify potential risks during maintenance
✔ Recommend suitable replacement parts if needed
✔ Support both inspection advice and parts supply
Direct Consultation: If you notice unusual vibration or oil spotting, contact our technical team for a cross-reference check on your engine serial number.
We specialize in comprehensive engine solutions for global brands. Our inventory focuses on high-performance components for Cummins, Komatsu, Caterpillar, Isuzu, Kubota, Yanmar, and Weichai engines.
Our core product range includes:
Engine Long Blocks and Short Block Assemblies
Cylinder Liners, Pistons, and Piston Ring Sets
Crankshaft Main Bearings, Con Rod Bearings, and Thrust Washers
Full Engine Overhaul Gasket Kits and Sealing Sets
Fuel Injection Pumps and Common Rail Injectors
Forged Crankshafts and High-Flow Turbochargers
Water Pumps, Oil Pumps, Cylinder Blocks, and Heads
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