Oil Pan Gasket 3959052 for Engine 4BT 6BT 4B3.9 6B5.9 B5.9 ISB QSB

Keywords: 3959052 oil pan gasket, 4BT 6BT 4B3.9 6B5.9 B5.9 ISB QSB engine oil pan seal gasket, diesel engine oil sump gasket, excavator engine overhaul spare parts

🔹Product Overview

Oil Pan Gasket Part No.3959052 is an essential sealing component specially matched for 4BT 6BT 4B3.9 6B5.9 B5.9 ISB QSB diesel engines, widely used on excavators and heavy‑duty construction machinery. It is installed between engine block and oil pan to seal lubricating oil and prevent oil leakage. It solves oil leaking issues caused by gasket aging, tearing and deformation during engine disassembly and overhaul. Each gasket is strictly inspected for flatness, thickness and surface quality before packaging and delivery.

🔹Detailed Specifications

🔹Key Features & Advantages

• Premium composite fiber material, excellent oil resistance, heat resistance and anti-aging property.
• Good compression resilience, maintain stable sealing under vibration and temperature changes.
• Precise cutting and hole positioning, perfect fit for oil pan installation.
• Effectively prevent engine oil leakage, protect normal lubrication of engine.
• Easy installation, ideal spare part for engine oil pan maintenance and overhaul.
• Perfect interchangeability, can directly replace original OEM spare parts.

🔹Application Scope ‑

Fit Equipment: Excavators and heavy‑duty construction machinery equipped with 4BT 6BT 4B3.9 6B5.9 B5.9 ISB QSB diesel engine ‑ Widely used for machinery repair shops, engine rebuilding factories and heavy‑duty equipment overhaul services.

🔹Our Company Advantage

We are professional supplier of full‑range construction machinery spare parts, supplying engine parts, hydraulic parts, electrical parts, seal kits and complete overhaul kits. ‑ Large ready stock for various machinery spare parts ‑ Factory‑direct wholesale competitive price ‑ Mixed‑order & one‑stop spare‑parts procurement supported ‑ Professional part‑number matching technical support service

🔹Packaging & Shipping ‑

Independent plastic bag + outer shock‑proof export carton, avoid extrusion damage during long‑distance transportation ‑ Multiple shipping options: sea freight, air freight, international express for small trial orders ‑ Export documents such as Commercial Invoice, Packing List can be provided.

🔹Contact Us

If you need more excavator spare parts or other construction machinery replacement components, please send your parts list to us. We will offer our best quotation for you quickly.