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Home > Services > Upgrades (CM&U) > Exchangeable Blow-By Filter Upgrade
Improves maintenance and reliability for your Jenbacher Type 4 B-/C-version engines.

The filter is designed for simple exchange during regular maintenance, enabling consistent engine protection and increasing uptime. Because only the filter cartridge is exchanged, the filter housing remains on the engine.
Jenbacher Type 4
This upgrade is applicable to all B-/C-version engines (manufacturing year after 2011—with ROLF intake line and blow-by stem part number 636598).
Find more information about upgrades designed to boost performance and efficiency here.
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