Universal 5" 90-Degree Short Radius Air Intake Elbow – Direct replacement for part #90HL5SR.
This high-quality polished short-radius elbow is designed for 5" OD air intake tubing on both ends. It is the perfect solution for engines with a factory 5" turbo inlet diameter, commonly found in Freightliner Cascadia, Peterbilt, Kenworth, and Western Star heavy-duty trucks. Ideal for Detroit Series 60, Caterpillar C12, and various Cummins engines when replacing worn rubber boots or rerouting intake piping in tight engine compartments. Restores smooth, efficient airflow and proper turbo connection.
Kit Includes:
- (1) 90-Degree Short Radius Air Intake Elbow (5" OD x 5" OD)
Compatibility:
- Engines with OEM 5" turbo inlet diameter:
- • Detroit Series 60 (DDEC3, DDEC4, DDEC5)
- • Caterpillar C12
- • Cummins ISX CM570, CM870, CM871
- • Cummins ISM CM570
- • Cummins M11 Celect & Celect Plus
- Popular in Freightliner Cascadia, Peterbilt, Kenworth, and Western Star trucks
Important Notes:
- Confirm your turbo inlet measures 5" OD before ordering. May not fit aftermarket turbos with different inlet diameters.
- Works great with Kustom Truck Air Intake Elbow PN: 31312001 on Freightliner Cascadia with Detroit Series 60.
- Contact Kustom Truck for fitment verification if unsure.
Key Specifications:
- Short-radius 90-degree design for compact engine bays
- Smooth internal airflow for optimal turbo performance
- Durable construction for long-term reliability
