Our Holset HX55 Turbocharger 4036892 fits Cummins ISX1/ISX Signature 450 engines, ideal for heavy-duty truck repair. Backed by our factory’s advanced R&D lab and automated production lines, we hold 500+ in-stock units for 7-day fast delivery. We’ve supplied 10,000+ units to global auto parts clients, with 12-month warranty ensuring stable quality.
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