Haynes Repair Manual 14-19 GM 6.6L Duramax 2500HD/3500HD Sierra MRW-MR70378560800 The stock radiator’s plastic end

The stock radiator’s plastic end tanks are a known weak point

these joints are also known for leaking

it’s the durable and dependable choice for your L5P

7L Cummins with the updated actuator found on the 2013+ 6

Haynes Repair Manual 14-19 GM 6.6L Duramax 2500HD/3500HD Sierra MRW-MR70378560800 The stock radiator’s plastic endKeep your 2014 2019 GM Sierra 2500HD or 3500HD running reliably with the Haynes Repair Manual designed specifically for GM's heavy duty pickup lineup. Whether you're performing routine maintenance, diagnosing a warning light, or tackling a major repair, this comprehensive guide provides detailed, step by step instructions developed from a complete vehicle teardown and hands on testing. Loaded with detailed photographs, maintenance schedules,