COOLING SYSTEM

COOLING SYSTEM

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GM 12742345 Duramax L5P Block Heater | OEM Replacement 2020-2025

Ensure dependable cold-weather starting power for your Duramax diesel with the GM 12742345 Block Heater, the updated OEM replacement part that supersedes GM Part 12705875 for 6.6L L5P engines. Built to GM’s original specifications, this block...

MSRP: $134.35

Was: $134.35

Now: $109.99

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GM Upper Radiator Hose 2020-2023 GM 6.6L Duramax L5P 85122989

GM Upper Radiator Hose 2020-2023 GM 6.6L Duramax L5P 85122989For 2020, 2021, 2022, 2023 GM 6.6L Duramax L5P. Replaces# 84645090

MSRP:

Was:

Now: $70.95

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