J929039 New Cummins Camshaft Fits Case-IH Harvester Tractor Models 5120 5220

One New Aftermarket Replacement Camshaft for Cummins 4B / 4BT / 4BTA 3.9L Diesel Engines

This aftermarket replacement camshaft fits the Cummins B Series 3.9L four-cylinder diesel engine family, including the naturally aspirated 4B, turbocharged 4BT, and turbocharged/aftercooled 4BTA variants. The camshaft is a core valvetrain component that controls intake and exhaust valve timing throughout the engine's operating cycle. The Cummins 4BT 3.9L (CDC 4.390) is a 239 cubic inch, 4-cylinder engine with a 4.02 in / 102 mm bore and 4.72 in / 119 mm stroke, widely used in agricultural tractors, construction equipment, and industrial machinery.

Specifications

• Engine Family: Cummins B Series 3.9L (4B, 4BT, 4BTA) - 8-valve models
• Displacement: 239 cubic inches (3.9L)
• Bore: 4.02 in / 102 mm
• Stroke: 4.72 in / 119 mm

Compatible Models

Cummins Engines: 4B (Non-Turbo), 4BT (Turbo), 4BTA (Turbocharged Aftercooled) - 8-valve models

Fits Case IH (Fits International Harvester) Tractors: 5120 Maxxum, 5220 Maxxum

Fits Case IH Windrowers: 8840

Fits Case Construction Equipment: 40XT, 60XT, 70XT, 75XT, 85XT, 90XT, 95XT (Skid Steers); 450C, 455C, 550, 550E, 550G, 570L, 570LXT, 580K, 580L, 580SE, 580SK, 580SL, 580M, 590, 590SL (Backhoes/Crawlers); 650, 650G, 688, 860 (Crawlers/Trenchers); 1840, 1845C, 9010, 9020 (Skid Steers)

Replaces Part Number(s):

3929039, 3914638, 3925582, J929039, J929039-A

New aftermarket replacement part - not remanufactured, not used.