Cummins 4B Engine Parts -
Cylinder Head Section

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3920394V
New - head with valves and springs. Comes with 7mm injector tubes
Price: $ 902.73
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3910275V
New - with valves and springs and comes with 9mm injector tubes.
Price: $ 884.80
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3802355
One valve per piston
Price: $ 10.11
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3802356
One valve per piston
Price: $ 14.99
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3920779
One per cylinder, 70 mm long for 4B, 4BT, 6B and 6BT 3.9 Engines
Price: $ 5.61
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3920780
10 per head (4B/4BT,4BTA), 14 per head (6B/6BT,6BTA), 120 mm long
Price: $ 10.81
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3804896
Standard
Price: $ 96.70
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3802362
Oversize 0.25 mm
Price: $ 324.86
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3921393
Standard
Price: $ 60.35
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3900276
For Intake valves.
Price: $ 4.48
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3925667
For Exhaust valves
Price: $ 6.40
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3921640
For Intake & Exhaust Valve Guides
Price: $ 3.52
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3909695
.
Price: $ 129.88
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203131
Nut for adjusting rocker arm screw.
Price: $ 0.98
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5146080
Closes at 205 degrees Fahrenheit.
Thread size is 1/2 NPT
Price: $ 97.19