Valve Stem Guide 3942645 For 6L Diesel Engine

Keywords: 3942645 valve stem guide, 6L diesel engine valve guide, excavator engine valve train spare parts, construction machinery valve stem guide, aftermarket replacement valve stem guide

Product Overview

Valve Stem Guide Part No.3942645 is an important valve‑train component for 6L diesel engines used on excavators and heavy‑duty machinery. It provides precise guiding support for intake and exhaust valve stem, ensures the valve moves straightly up and down, maintains correct valve clearance and prevents valve swing deflection. This replacement valve stem guide solves common failures including excessive valve clearance, valve stem swing, oil burning and exhaust blue smoke caused by original guide inner‑hole wear, deformation and gap enlargement after long‑time high‑temperature operation. Every valve stem guide undergoes strict inner‑hole dimension and surface inspection before shipment.

Detailed Specifications

Key Features & Advantages

• ✅ High‑quality wear‑resistant alloy cast iron material, good heat‑resistance and anti‑abrasion performance under high‑temperature engine working conditions.
• ✅ Precision inner‑hole machining, stable fit clearance with valve stem, reduce valve swing deflection.
• ✅ Accurate outer‑diameter dimension, interference‑fit installation inside cylinder head, not easy to loose or fall off.
• ✅ Effectively improve engine oil‑burning, blue‑smoke exhaust and abnormal valve noise caused by worn original valve stem guide.
• ✅ Perfect matching for 6L engine cylinder head overhaul, convenient press‑in installation.

Application Scope

Fit Equipment: Excavators and heavy‑duty machinery equipped with 6L diesel engine ‑ Widely applied for engine repair workshops and routine equipment maintenance projects.

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

• Neutral export carton with shock‑proof inner packing, prevent collision 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.