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888.687.0539

Our office will be closed 9/7/2026 in observance of Labor Day. Orders placed during this time will be processed when our office opens 9/8/2026.

Our office will be closed 9/7/2026 in observance of Labor Day. Orders placed during this time will be processed when our office opens 9/8/2026.

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Cummins 4BT/6BT Cylinder Heads

Cummins 4BT/6BT Cylinder Head

We carry cylinder heads for Cummins 3.9 and 5.9 liter engines. For your convenience, you can access our inventory through the product links listed below.

If you do not see the B Series part you need, please use our quote request form or call us at 888.687.0539: our friendly sales staff will gladly help you.

3900631
Hassle-Free Return Item

HEXAGON FLANGE HEAD CAP SCREW - B5.9-M210 / ISC / B5.9M / 6B5.9 / 4B3.9

Genuine Cummins Part

$3.72

DS-3920779
Hassle-Free Return Item

CYLINDER HEAD HEXAGON SCREW - 6B5.9 / 4B3.9 / 6BTA5.9-G3 / G5.9-C / B5.9-C177

$4.14

DS-3920780
Hassle-Free Return Item

CYLINDER HEAD HEXAGON SCREW - 6B5.9 / 6BTA5.9-G3 / 4B3.9 / B5.9-C177

$8.90

DS-3933422

CYLINDER HEAD - 4B / ISB / QSB (BARE)

$1,089.48

DS-3934730

CYLINDER HEAD - 6BT 5.9L (7MM INJECTORS)

$1,259.94

DS-3967436

CYLINDER HEAD - 4BT / ISB (MARINE)

$1,653.03

DS-3967456

CYLINDER HEAD - 6BTA 5.9L MARINE

$1,203.70

DS-3967458

CYLINDER HEAD - 6BT 5.9L

$1,693.07

DS-3967459

CYLINDER HEAD - 6BT (5.9L, HI-SWIRL, INDUSTRIAL)

$1,207.80

888.687.0539 (U.S.)|225.706.4858 (Int.)

Monday-Friday 7am-5pm CST
8784 S. Choctaw Dr. Baton Rouge, LA 70815
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