3771525-R Turbocharger Core for CUMMINS CNG | Aftermarket Replacement

This aftermarket 3771525-R turbocharger core is a replacement component for CUMMINS CNG engine applications, including Freightliner MT55 and Blue Bird Ultra LF 35 CNG vehicles. It serves as a reference application for OEM 3768610-R, supporting B2B buyers and repair shops seeking verified fitment for commercial vehicle turbo systems.

Key Specifications

• Part Number: 3771525-R
• Product Type: Turbocharger Core
• Gross Weight: 4 kg
• OEM Reference: 3768610-R
• Application Clues: CUMMINS CNG engines in Freightliner MT55, Blue Bird Ultra LF 35 CNG, DONGFENG, and TATA LPO 1623 chassis.
• Visual Features: Cast metal housing, machined mounting flanges, and visible compressor/turbine wheel geometry.

Verify the part number and OEM reference 3768610-R against your specific vehicle configuration before ordering.

Application & Compatibility

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

• Freightliner > MT45 > MT55 walk-in van chassis > MT55 walk-in van chassis Truck > Step van chassis > CUMMINS CNG
• Blue Bird > Ultra LF 35 CNG > Ultra LF 35 CNG Low-floor transit bus > CUMMINS CNG
• DONGFENG > Bus > CUMMINS CNG
• Freightliner > MB-45 > MB55 > MB Line shuttle-bus chassis > CUMMINS CNG
• TATA > LPO 1623 rear-engine CNG low-entry city bus > LPO 1623 rear-engine CNG low-entry city bus Transit bus > CUMMINS CNG

This 3771525-R core is listed for CUMMINS CNG engine applications in commercial vehicles. It is associated with Freightliner MT55 walk-in van chassis, Blue Bird Ultra LF 35 CNG low-floor transit buses, DONGFENG buses, and TATA LPO 1623 rear-engine city buses. The OEM reference 3768610-R serves as a verification clue for fitment. Buyers should confirm the part number, engine code, and specific vehicle configuration against their unit before ordering. Technical fitment support is available to assist with application verification.

Technical Notes

This turbocharger core assembly features a cast metal housing with machined mounting flanges and visible compressor and turbine wheel geometry. The central shaft and bearing housing are integral to the unit, supporting stable operation when installed correctly. Visible features include a three-hole mounting flange and a smooth machined ring separating the compressor and turbine sections. A small green marking is visible on the compressor wheel hub in the top view. These visual cues help buyers verify the physical condition of the core before installation. Since internal shaft condition and bearing details are not visible from the exterior, inspect the unit for shaft play and oil leaks. Confirm that the compressor and turbine wheels are free of damage or imbalance. This core is a reference application for CUMMINS CNG engines; verify the specific turbo configuration and fitment with technical support before ordering.

B2B Supply

LeadTurbo supports B2B buyers, repair shops, and fleet parts distributors with volume pricing and worldwide shipping for the 3771525-R turbo core. Technical fitment support is available to assist with verifying part number 3771525-R, OEM reference 3768610-R, and specific CUMMINS CNG engine applications. Confirm vehicle configuration and turbo setup before placing orders to ensure correct application. Inquiries regarding bulk orders or specific chassis applications such as Freightliner MT55 or Blue Bird Ultra LF 35 CNG are welcome.