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...

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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