Cummins Cylinder Head for 4B, 4BT, 4 BTA 3.9 Engines

Cummins Intake Valve Kit

Cummins Cylinder Head Bolt 70mm for 4B, 4BT, 6B and 6BT 3.9 Engines

Cummins Upper Gasket Set

Cummins Head Gasket for 4B and 4BT 3.9 Engines

Cummins Valve Spring for 4BT 3.9, 6BT 5.9, ISB and QSB Engines

Cummins Exhaust Valve Insert for 4B 3.9, 4BT 3.9, 6B 5.9, & 6BT 5.9 Engines

Cummins Exhaust Valve Guide for 4B 3.9, 4BT 3.9, 6B 5.9, & 6BT 5.9 Engines

Cummins Push Rod Cover Gasket for 4B, 4BT, 6B, 6BT 3.9 Engines

Cummins Fuel Manifold for 4B and 4BT 3.9 Engines

Temperature switch for Detroit Diesel, Cummins, Caterpillar engines