Machinery Engine Parts Front Crankshaft Oil Seal 3925343, Construction Machinery Replacement Engine Seal

Keywords: 3925343, Front Crankshaft Seal Kit, 3925343 crankshaft oil seal, 6C8.3 ISC ISL ISL9 QSC8.3 QSL9 engine seal, diesel engine crankshaft seal, excavator engine spare parts, heavy‑duty engine oil seal, construction machinery replacement parts

Product Overview

This front crankshaft oil seal Part No.3925343 is a critical rubber sealing component specially designed for 6C8.3, ISC, ISL, ISL9, QSC8.3, QSL9 diesel engine. It forms a tight sealing barrier at the front end of crankshaft, prevents lubricating oil leaking out of engine timing cover, and keeps external dust, dirt and moisture away from internal crankcase components. Our aftermarket crankshaft oil seal is strictly manufactured according to OEM specification, with excellent oil‑resistant, high‑temperature resistant and anti‑aging performance. It maintains stable sealing effect under long‑time heavy‑load construction and mining working conditions. It is a reliable aftermarket spare part for engine overhaul and repair of construction equipment.

Detailed Specifications

Key Features & Advantages

• ✅ Precise OEM Dimension Strictly produced following original drawing data, precise size tolerance, perfect fit without installation gap.
• ✅ Excellent Oil‑Resistant Performance Premium rubber material, long‑term resistant to erosion of high‑temperature engine lubricating oil.
• ✅ High Temperature & Anti‑Aging Performance Not easy to harden, crack or deform after long‑time high‑temperature working environment.
• ✅ Durable Sealing Effect Good elasticity and wear‑resistant lip, maintain stable sealing pressure to avoid crankshaft oil leakage.
• ✅ Direct Plug‑in Replacement Fully interchangeable with original spare parts, easy installation without extra modification during engine repair.
• ✅ 100% Individual Testing Before Shipment Every single crankshaft oil seal passes strict size and sealing performance inspection before delivery, stable and reliable for engineering projects.

Application Scope

Fit for 6C8.3, ISC, ISL, ISL9, QSC8.3, QSL9 diesel engine, widely used on these heavy‑duty machines: Excavators, Bulldozers, Wheel Loaders, Motor Graders, Generator Sets, Heavy‑duty Trucks, And other construction machinery & industrial equipment equipped with above‑mentioned engine models.

Our Company Advantage

We are a professional supplier for full‑series construction machinery engine spare parts. We can supply complete engine overhaul kits including oil seals, gaskets, connecting rod bearings, main bearings, thrust washers, intake & exhaust valves, valve seals, fuel injectors, fuel pump, nozzle, piston, cylinder liner, cylinder head gasket, turbocharger and other wearing spare parts. Rich stock for most popular 6C8.3, ISC, ISL, ISL9, QSC8.3, QSL9 and other engine models Competitive factory direct price Fast shipment for in‑stock goods Accept mixed container order for one‑stop spare parts purchasing Provide professional technical matching service for your part number inquiry

Packaging & Shipping

Independent shock‑proof inner package for precision crankshaft oil seal Outer carton with shock‑proof protection for sea transportation Support sea freight, air freight, express delivery for small trial order Full export document can be offered (Commercial Invoice, Packing List)

Contact Us

If you need more spare parts for 6C8.3 / ISC / ISL / ISL9 / QSC8.3 / QSL9 engine or other construction machinery, please send your part list to us. We will offer you our best quotation immediately.