Eldorado Cummins

Emissions Durability Meets OEM Precision

What Is It?

The OEM 10773127 DEF Head Unit (Tamerx part number 5410‑22‑FA01‑2) is a high-quality remanufactured module designed for Eldorado buses powered by Cummins engines. It handles fluid level, temperature sensing, and dosing control via a 40 µm filter header.

Why Choose OEM 10773127?

Built to Cummins and Eldorado specifications, this unit offers plug-and-play compatibility with original DEF tank interfaces and electrical harnesses. It's remanufactured to meet OEM calibration standards and backed by a one-year or one-million-mile warranty for dependable working conditions.

Key Benefits

✅ OEM-calibrated design for Eldorado buses with Cummins engines
✅ Integrated DEF level, temperature & dosing control in one unit
✅ Built-in 40 µm DEF filter header for fluid purity
✅ Direct-fit installation—no wiring or housing modifications needed
✅ Warranty-backed performance from Tamerx (1 year / 1 M miles)

Applications

Used in Eldorado motorcoaches and bus applications powered by Cummins diesel engines with SCR aftertreatment systems. Ideal for transit operations, shuttle services, and specialty buses where reliable DEF management supports emissions compliance and uptime.

Installation Notes

A qualified technician should perform installation. Inspect the DEF tank connector, sensor harnesses, and fluid lines before mounting. Once installed, run a full diagnostic of the DEF system using Cummins-compatible tools, clear any active fault codes, and verify sensor accuracy.

Final Thoughts

The OEM 10773127 DEF Head Unit delivers robust DEF system control engineered for Eldorado/Cummins applications. With accurate sensing, clean fluid delivery, and plug-ins consistent with factory installation, it supports emissions compliance, reduces SCR faults, and ensures long-term vehicle reliability.