Replacement Valve Stem Seal for Cummins ® B/ISB/QSB Applications OEM Cross References: 3942989

Product Details

1 x?Valve Stem Seal – Intake -?3942989

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Fits?Application:?Cummins ISB / QSB Series

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Details:

Valve Stem Seal
Tall
0.252in Valve Seal I.D. x 0.484in Guide Install Diameter x 0.550in Height
6.40mm Valve Seal I.D. x 12.30mm Guide Install Diameter x 14.00mm Height
Tan Viton
70 Durometer
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OE Replacements:?192112,?3942989,?3942571

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Cross References:

Application & Fitment

• Engine Make: Cummins
• Engine Model / Application: B/ISB/QSB

Confirm the original part number and engine identification before ordering. Where applicable, also verify serial-number range, production year, piston style, bearing size or other configuration notes shown in the product information.

Part Numbers & Cross References

• OEM Cross Reference: 3942989
• Interstate-McBee Reference: M-3942989

Need Help Confirming Fitment?

Use the engine model, serial number and original part number when checking compatibility. For kits and sets, review the complete component breakdown above before ordering because contents can vary by engine configuration.