Rear Crankshaft Oil Seal 3630681 For K38 K50 KTA38GC QSK50 VTA1710 Engine

Keywords: 3630681 rear crankshaft oil seal, K38 K50 crankshaft rear oil seal, QSK50 engine shaft seal, VTA1710 crankshaft seal, diesel engine overhaul gasket parts, aftermarket replacement oil seal

🔹Product Overview

Rear Crankshaft Oil Seal Part No.3630681 is a critical sealing component for cumm-ins K38, K50, KTA38GC, QSK50, VTA1710 heavy‑duty diesel engines. It is installed at the rear end of crankshaft, prevents engine lubrication oil leaking out from crankshaft‑flywheel joint, meanwhile stops dust, moisture and external impurities entering engine crankcase. Our aftermarket rear crankshaft oil seal adopts high‑performance fluororubber material, stable dimensional accuracy, excellent high‑temperature and wear‑resistant performance. It is perfect replacement for original aging, cracking or oil‑leaking seal during engine overhaul service.

🔹Detailed Specifications

🔹Key Features & Advantages

• Strict OEM Dimension & Structure Compliance Inner bore, outer diameter and overall thickness fully match original drawing, smooth press‑fit installation.
• Premium Fluororubber Sealing Lip Outstanding high‑temperature resistance, oil‑resistant and anti‑aging performance, adapt heavy‑load engine working temperature.
• Reinforced Metal Skeleton Inside Keep round shape under assembly pressure, avoid seal deformation after installation.
• Optimized Sealing Lip Design Stable pre‑tension, effectively reduce shaft abrasion, maintain long‑term sealing effect.
• Strict Pre‑shipment Visual Inspection Each oil seal is checked for surface scratch, crack and dimension before delivery.

🔹Application Scope

Compatible Equipment List: ‑ Fit Engine: cumm-ins K38, K50, KTA38GC, QSK50, VTA1710 heavy‑duty diesel engine, widely used for mining machinery, generator set, heavy truck and large construction equipment. ‑ Widely used for engine repair workshops, machinery fleets, field‑site maintenance for engine overhaul and crankshaft sealing repair.

🔹Our Company Advantage

• We are professional supplier of full‑range construction machinery spare parts, supplying oil seals, gasket kits, piston kits, cylinder liners, bearings, filters, fuel injectors and other engine overhaul components.
• 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 shock‑proof inner package for rear crankshaft oil seal, protect sealing lip from scratch and deformation in transit
• Export‑grade outer carton for safe sea and land 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.