Universal 90-Degree Low Profile Air Intake Elbow – 5" OD to 4" OD Reducing Elbow (Replacement for 90HL50SN40).
This high-quality low-profile reducing elbow is designed for air intake systems transitioning from 5" OD tubing to a 4" OD turbo inlet. It provides smooth airflow with minimal turbulence while maintaining a compact fit in tight engine compartments. Ideal for Cummins ISX engines and compatible with Peterbilt, Kenworth, Freightliner, Western Star, and other heavy-duty trucks.
Kit Includes:
- (1) 90-Degree Low Profile Air Intake Elbow (5" OD to 4" OD)
Compatibility:
- Cummins ISX15/ISX12 with CM2250, CM2350, and CM2450 engines with 4" turbo inlet
- Peterbilt, Kenworth, Freightliner, Western Star, and other heavy-duty trucks using 5" to 4" reducing intake systems
Important Notes:
- Confirm your turbo inlet measures 4" OD and intake tubing is 5" OD before ordering.
- Contact Kustom Truck for fitment verification with your specific engine and configuration.
Key Specifications:
- Low-profile design with tight tolerances for compact engine bays
- Smooth reducing transition from 5" OD to 4" OD
- Durable construction for long-term reliability and efficient airflow
