Description
The Interstate-McBee Upper Engine Gasket Set (M-3804897) is specifically designed for Cummins® B/ISB/QSB 6B engine applications. This set includes all the essential gaskets and seals required for a reliable upper engine rebuild. Whether you’re tackling preventative maintenance or a full repair, this kit delivers OEM-level quality to ensure your engine continues running at peak performance.
Key Features:
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Compatible with Cummins® 6B B/ISB/QSB engine platforms
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Complete kit includes injector seals, manifold gaskets, head gasket, and more
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Built to OEM specifications for precise fit and performance
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Trusted for agriculture, construction, and light/medium-duty diesel use
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Supported by Interstate-McBee’s full warranty coverage
Engine Compatibility:
Cummins® 6B / B / ISB / QSB Series Engines
Kit Includes (BOM Parts List):
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M-3906659 – Injector Seal (6)
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M-3906694 – Rectangular Ring Seal (1)
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M-3906773 – Washer (1)
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M-3910824 – Rocker Cover Bolt Seal (6)
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M-3912220 – Metal Gasket (1)
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M-3918188 – Washer (2)
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M-3919358 – Injector Sleeve (6)
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M-3921640 – Valve Stem Seal (12)
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M-3283335 – Cylinder Head Gasket (1)
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M-3923261 – Injector Seal (6)
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M-3923331 – Thermostat Seal (1)
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M-3927154 – Exhaust Manifold Gasket (6)
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M-3930324 – Injector Seal (6)
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M-3930906 – Valve Cover Gasket (6)
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M-3969988 – Gasket (2)
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M-3823921 – Gauge – Cylinder Head (1)
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M-3963988 – Sealing Washer (2)
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M-3935449 – Noise Isolator (6)
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M-3883284 – O-Ring Seal (1)
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M-3900808 – Washer (6)
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M-3937706 – Gasket – Turbo Oil Drain (1)
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M-3963983 – Sealing Washer (6)
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M-3938152 – Intake Manifold Gasket (1)
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M-3901356 – Gasket (1)
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M-3936876 – Rectangular Ring Seal (1)
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M-3902425 – Sealing Washer (1)
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M-3903380 – Banjo Seal (6)
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M-5264569 – Oil Drain Gasket (1)
⚠️ Opened packages are not eligible for return.
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