Replacement Rectangular Ring Seal for Cummins ® B/ISB/QSB Applications B & C Series OEM Cross References: 3906252 Superseded/Alternate Numbers: M-5307960

Product Details

1 x?Air Compressor Mounting Seal – 3906252

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Fits?Application:?B-Series / ISB / QSB / 4B / 6B

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Details:

Rectangular Sealing Ring
4.109 in I.D. x 0.134 in C/S x 0.134 in Thick
104.368 mm I.D. x 3.403 mm C/S x 3.403 mm Thick
Buna N (70) Black Peroxide Cured Series # -243S

OE Replacements:?121359,?3906252

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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: 3906252
• Alternate / Superseded: M-5307960
• Interstate-McBee Reference: M-3906252

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.