3921640 Valve Seal Guide for Genuine Machinery Engine 6BT

3921640 Valve Seal for cumm-ins 6BT Machinery Engine Replacement

Search Keywords

3921640, valve seal, engine valve oil seal, 6BT valve seal, cumm-ins 6BT spare parts, construction machinery engine valve seal

Product Overview

ARKENOU Valve Seal 3921640 is specially made for cumm-ins 6BT diesel engines. Made of high-temperature resistant fluororubber composite material, it features excellent heat resistance, aging resistance and sealing performance. It controls the oil flow onto valve stems, prevents excessive engine oil from entering combustion chambers, reduces blue smoke emission and oil consumption, which is a critical small part for engine overhaul.

Detailed Specifications

Key Features & Advantages

✅ High Grade Fluororubber Material Outstanding high temperature resistance, anti-aging and abrasion resistance under harsh working environment.

✅ Precision Inner Diameter Design Perfect fit on valve stem, maintain stable sealing without excessive friction.

✅ Low Oil Leakage Rate Effectively stop oil leaking into cylinder, reduce oil consumption and exhaust blue smoke.

✅ OEM Equivalent Dimension for Direct Installation Ready to use in engine overhaul without modification.

✅ Strict Batch Quality Inspection Every batch tested for elasticity and high-temperature sealing property before delivery.

Application Scope

For cumm-ins 6BT diesel engines, widely used for:

• Excavators, wheel loaders
• Medium-duty trucks
• Generator sets and various engineering machinery

Our Company Advantage

We are a professional supplier of full range cumm-ins engine spare parts, including intake & exhaust valves, valve stem guides, valve seals, valve springs, retainers, gaskets, pistons and overhaul kits.

• Ready stock for multiple cumm-ins engine series
• 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

1. Packed in ARKENOU branded plastic bag
2. Outer export carton for sea transportation
3. Support sea freight, air freight, express delivery for small trial order
4. Full export document can be offered (Commercial Invoice, Packing List)

Contact Us

If you need valve seals or other engine spare parts for cumm-ins machinery engines, please send your part list to us. We will offer you our best quotation immediately.