Breather Tube Modification Kit for Caterpillar 3406E Single Turbo Engines (2WS & 1LW Serial Prefixes).
This kit relocates the breather outlet from the side of the engine block to a Genuine OEM Caterpillar valve cover mounted on top of the engine, significantly reducing excessive blowby.
Standard (Base) Kit Includes:
- (1) Genuine OEM Caterpillar Valve Cover with Blowby Outlet
- (1) Blowby Tube
- (1) Blowby Tube Clip
- (1) Hose Clamp
- (1) Cap Plug for Stock Breather Tube Connection Port
Premium (Upgrade) Kit Includes:
- (1) Genuine OEM Caterpillar Valve Cover with Blowby Outlet
- (1) Blowby Tube
- (1) Blowby Tube Clip
- (1) Hose Clamp
- (1) Cover Plate (Replaces Stock Breather Assembly on Cylinder Block)
- (1) Manifold (Relocates Atmospheric Pressure Sensor)
- O-Rings
- Hardware
Compatibility:
- Caterpillar 3406E single turbo engines with 2WS and 1LW serial number prefixes
- Peterbilt, Kenworth, Freightliner, and Western Star heavy-duty trucks with matching engines
Important Notes:
- Not compatible with high-mount secondary fuel filter bases mounted to the cylinder head. The secondary fuel filter must be relocated to the standard mid-block position.
- Confirm your engine serial prefix and fuel filter configuration with Kustom Truck before ordering.
Key Specifications:
- Relocates breather outlet to top-mounted OEM valve cover to reduce blowby
- Genuine Caterpillar valve cover for improved efficiency and reliability
- Available in Standard (Base) or Premium (Upgrade) configuration
- Complete hardware and sealing components included
1 Year
