3802257 H1E Core for Cummins 6CTA Transit Bus

This H1E Core (FOR 3802257) serves as an aftermarket replacement for Cummins 6CTA engines in Transit Bus applications. Designed for rebuilders and fleet parts buyers, this unit references OEM numbers like 3545988 and FOR 3527107. Verify your specific engine serial number and turbo configuration before ordering to ensure correct fitment.

Key Specifications

This H1E Core is supplied as an aftermarket replacement unit for Cummins 6CTA engines. The assembly includes the central bearing housing, compressor wheel, and turbine wheel components required for turbocharger rebuilds. Key identification details include the public part number FOR 3802257 and the H1E turbo model designation. The unit weighs approximately 4 kg, facilitating handling during inspection and shipping. Representative OEM reference numbers such as 3545988 and FOR 3527107 help buyers cross-check fitment against existing service manuals. Verify all casting numbers and shaft dimensions before installation to ensure proper alignment with your specific engine configuration.

Application & Compatibility

This H1E Core is listed for Cummins 6CTA engines in Transit Bus applications. Buyers should verify the engine serial number and turbo configuration against the provided OEM reference numbers before ordering. This unit serves as a replacement application for rebuilds and maintenance. Confirm fitment with your technical team to ensure proper alignment with your specific vehicle setup. Do not assume universal compatibility across all Cummins variants.

Technical Notes

This H1E Core assembly includes the central bearing housing, compressor wheel, and turbine wheel components essential for turbocharger rebuilds. Buyers should inspect the shaft diameter and keyway dimensions to ensure they match the original H1E specifications. Verify that the oil feed and return port locations align with your Cummins 6CTA engine manifold to prevent leakage. Check casting numbers on the compressor housing against technical drawings for accurate inducer and exducer sizing. Proper alignment is critical for stable operation during high-stress transit bus applications.

B2B Supply

LeadTurbo supports B2B buyers with volume pricing for this H1E Core. Worldwide shipping is available for fleet parts distributors and repair shops. Our team provides technical fitment support to help verify OEM reference numbers like 3545988. Contact us to confirm stock availability and shipping timelines for your Cummins 6CTA replacement needs.