3920867 Genuine Cummins Intake Valve For 4BT3.9 6BT5.9 Engines

Product Overview:

The 3920867 is an heavy-duty intake valve for Cummins B-series diesel engines. As a key precision component for air intake control and cylinder sealing, it features standard factory precision and strong fatigue resistance. It solves common aging-related faults such as valve wear, air leakage, power loss and high fuel consumption, ensuring steady engine performance. Suitable for aftermarket replacement, daily maintenance and engine overhaul.

3920867 intake valve Specification:

Wide Application:

✅Perfect for heavy-duty continuous operation:
✅Highway: Dongfeng heavy trucks, buses & light CVs with Cummins B-series
✅Construction: Excavators, loaders, rollers, bulldozers
✅Power & Marine: Generators, marine auxiliary engines
✅Industry: Stationary industrial diesel power units

Key Features:
✅Standard size: 45mm head, 8mm stem, 129.2mm total length

✅4Cr9Si2 heat-resistant steel construction

✅Alloy welded valve head & chrome-plated stem for wear & heat resistance

✅Fixes air leakage, power loss and high fuel consumption

Why Choose us?

✅Price Advantages of Authorized Cummins Agents in China

✅Genuine Cummins equivalent quality, strict factory inspection

✅Full Cummins engine parts inventory, fast dispatch

✅Global door-to-door shipping in 5–7 days

✅Professional technical team for fitment support- Factory direct pricing, flexible MOQ