Replacement Noise Isolator for Cummins ® B/ISB/QSB Applications OEM Cross References: 3930543

Product Details

1 x?Rocker Cover Bolt Isolator – 3930543

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Fits?Application:?4B requires a quantity of 4 / 6B requires a quantity of 6 / B-Series

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Details:

Rocker Cover Isolator Seal
Rubber

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OE Replacements:?136041,?3935449,?3928406,?3930543

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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: 3930543
• Interstate-McBee Reference: M-3930543

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.