4955725 HE221W Turbocharger Replacement for Cummins QSB

This aftermarket 4955725 HE221W turbocharger serves as a replacement unit for Cummins QSB Tier 3 engines. Designed for heavy-duty truck and agricultural applications, it references OEM numbers 4033243, 4043944, and 4043945. Buyers should verify engine specifications and fitment details before ordering to ensure proper application.

Key Specifications

This HE221W turbocharger assembly is identified by part number 4955725. It serves as an aftermarket replacement unit for Cummins QSB Tier 3 engines. The product references OEM numbers 4033243, 4043944, and 4043945 for verification purposes. Buyers should confirm these reference numbers against their existing unit to ensure correct application. The turbocharger is supplied with standard packing dimensions of 23x21x26 cm. Gross weight is approximately 8.43 kg, which aids in freight cost estimation for bulk orders. Product images are available to assist with visual identification and component verification before purchase.

Application & Compatibility

Source application path clues for buyer verification. These are source category/application paths, not confirmed fitment claims:

• CUMMINS > CUMMINS TRUCK TIER 3 > CUMMINS QSB
• CUMMINS > Cummins Agricultural > Cummins Agricultural HMRO > Cummins QSB5 G6 TIER

This HE221W turbocharger is listed for Cummins QSB Tier 3 engines in heavy-duty truck applications. It also references Cummins Agricultural HMRO units, specifically the QSB5 G6 Tier series. These application paths serve as verification clues rather than confirmed fitment statements. Buyers should cross-check their engine code and vehicle type against these references. Confirm that the physical configuration matches your existing unit before finalizing the order.

Technical Notes

This HE221W turbocharger assembly is designed for Cummins QSB Tier 3 engines. The unit references OEM numbers 4033243, 4043944, and 4043945 for identification. Buyers should verify the physical configuration matches their existing unit. Confirm that the compressor and turbine housing dimensions align with your engine bay. Check actuator mounting details and flange bolt patterns before installation. This verification step helps ensure proper fitment for your specific application.

B2B Supply

LeadTurbo supports B2B buyers with volume pricing for the 4955725 HE221W turbocharger. Worldwide shipping is available for this aftermarket replacement unit. Our team provides technical fitment support to help verify engine applications and OEM reference numbers. Contact us to confirm stock availability and discuss bulk order requirements. We assist distributors in matching part specifications to their specific Cummins QSB engine needs.