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    SKU: SMA-BEKD40452H Basic Engine Rebuild Kit for John Deere 4045H PowerTech Tier 3 Engine


    Basic Engine Rebuild Kit for John Deere 4045H PowerTech Tier 3 Engine
    Purchase Basic Engine Rebuild Kit for John Deere 4045H PowerTech Tier 3 Engine
    • SKU: SMA-BEKD40452H Basic Engine Rebuild Kit for John Deere 4045H PowerTech Tier 3 Engine

    • $1,866.48

    Description

    When your 4045H PowerTech engine starts burning oil, losing compression, or blowing smoke, it's time for more than just an oil change. This basic engine kit gives you the core components to breathe new life into that tired motor—getting you back to reliable power when there's work that can't wait.

    What You're Getting

    • Standard duty pistons built to handle the demands of agricultural work
    • Complete ring set that restores compression and stops oil consumption
    • Essential gasket set to keep fluids where they belong
    • Standard size rod and main bearings for proper crankshaft clearances
    • Quality components designed to work together for reliable rebuilds

    Built for Real Farm Work

    This kit is designed for the 4045H PowerTech engines found in John Deere 6320 and 6420 tractors from the mid-2000s. These are the workhorses pulling implements, running loaders, and handling daily farm operations where downtime costs money. The 16-valve Tier 3 design balances power and efficiency for the demanding duty cycles of modern farming.

    Made to Last

    These aren't bargain basement components—they're built to restore your engine to reliable service for years to come. The pistons are engineered to handle the heat and pressure of agricultural diesel work, while the gasket set uses materials that seal properly against modern low-emission requirements.

    Good to Know

    This is a basic kit, so you'll need to specify bearing sizes when ordering—rod bearings come in standard, 0.010, and 0.020 oversizes, while main bearings are available in standard and 0.010 oversizes. Have your machine shop measure your crankshaft to determine what you need. Plan on having the block decked and cylinders honed as part of any proper rebuild.