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The 3921961 Exhaust Outlet Connection Gasket is best used on Cummins B series and QSB engines. This high quality aftermarket replacement part is guaranteed to meet OEM specifications and is shipped with a 12-month warranty.
Call us at 888.687.0539 with questions or buy online. As always, your satisfaction is guaranteed!
EXHAUST OUTLET CONNECTION GASKET - 4BT3.9 / 6BT5.9 / ISB3.9 / QSB3.9
Genuine Cummins Part
$22.16
CONNECTING ROD BEARING - ISB (STANDARD, UPPER HALF)
$7.47
EXHAUST MANIFOLD GASKET - 4B 3.9 / B 4.5 / 6B 5.9
Use with DS3922935 Exhaust Manifold
$54.85
SCREW,HEX FLANGE HEAD CAP
$10.14
