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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Genuine Cummins Part
This is a genuine Cummins part shipped with a 12-month warranty.
RECTANGULAR RING SEAL - 4BT3.9 / 6BT5.9 / ISB3.9 / ISB4.5 / QSB3.9
$1.10
WATER INLET CONNECTION - 4BT / 6BT / ISB / QSB
$90.39
BELT TENSIONER BRACKET - ISB
$176.59
BELT TENSIONER - B SERIES
$93.32
$1,579.08
OBSOLETE. NO LONGER AVAILABLE
SEAL,RECTANGULAR RING
$6.54
