
A Schwitzer S3BL090 turbocharger for 1990+ Mack CH Aero chassis running E7-300 and E7-350 engines, replacing OE 167571, 168787, 174836 and the 199253-199886 series. A proven fixed-geometry unit for the classic E7 that keeps older Mack fleets working. New, dynamically balanced, no core charge, with bulk pricing for shops.
BorgWarner Schwitzer S3BL090
167571, 168787, 174836, 199253, 199254, 199256, 199340, 199341, 199886, 4658590005, 4658590006
1990+ Mack CH Aero chassis with E7-300 / E7-350 engines
1990+ Mack CH Aero chassis with E7-300 / E7-350 engines
It replaces 167571, 168787, 174836, 199253, 199254, 199256, 199340, 199341, and additional interchange numbers. If your number is not listed, send it with the old part's dataplate photo and we confirm the match before shipping.
Brand new — new components throughout, not remanufactured. No core deposit and nothing to return.
A 1-year unlimited-mileage warranty against material and workmanship defects, handled directly by our US-based team. Details on the warranty and after-sales page.
Yes. Shops, fleets and resellers get consistent wholesale pricing from US inventory, with white-label support for distributors. Send the part number and quantity for a quote.
Need more than one? We supply shops, fleets and resellers at consistent wholesale pricing, with white-label support for distributors. Send the part number for a volume quote — see the wholesale program and our warranty policy.