4.0 inch or 4.4 (4-3/8) in Exhaust Adapter for HY35 | HX40 | HX35 Holset Turbos. Allows you to convert your 3" outlet to a 4" or 4-3/8", to have a true 4" exhaust outlet. Or replace your HX40 turbo adapter.
Looking to add a 4.0" or 4.4 in exhaust to your HX35 or HY35 Turbo?
Adapter bolts directly onto HX35 and HY35 turbos.
Give your Cummins a true 4 inch downpipe.
Also fits the following:
Part Number: 3539060
Description: Connection, Exhaust Adapter
Brand: Holset
Fit for Part Number:
2839421, 4036378
Fit for OEM Number:
2881754, 4055291, 84269952
Fit for Turbo Model:
HX40, HX40W, HX40W-Y8597BL/H16CE8
Fit for Application:
2003-09 Automotive with Cummins Pegasus ISC Diesel Engine
2003-09 Bus with Cummins Pegasus C AUTO Diesel Engine
2003-09 Freightliner Truck with Cummins Pegasus C AUTO Diesel Engine
2004- Freightliner Truck with Cummins ISC Diesel Engine
2009- Truck, Industrial with Cummins QSL, Pegasus QSL Diesel Engine
Case IH MX275, MX305 Tractor with Cummins QSL Engine
New Holland T8040, T8050 Tractor with Cummins QSL Engine
ISC QSL 3539060
Shipping cost provided is for the lower 48 states. When shipping to anywhere outside of the lower 48 states, additional shipping fees may apply.
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This part fits perfectly, easy install. Works great.
Perfect fit, works as it should
