Replacement Thermostat Seal for Caterpillar ® 3406E/C15/C16 Applications OEM Cross References: 3S9643 Superseded/Alternate Numbers: M-4L8098

Product Details

1 x Thermostat / Regulator Seal

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Details:

Seal

2.272 in Free ID x 2.661 in OD x 0.25 in Width

57.7 mm Free ID x 67.58 mm OD x 6.35 mm Width

Primary

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Application: Mack E6/E7, Caterpillar C9

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OE Replacements: 1544710, 4103-5010284186, 20705958, 447GC216, 5010284186, 447GC216A, 5132155, 4L8089, 3S9643, 1544710, 20705958, 3042759, 3627961

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Cross Reference:

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Application & Fitment

• Engine Make: Caterpillar
• Engine Model / Application: 3406E/C15/C16

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: 3S9643
• Alternate / Superseded: M-4L8098
• Interstate-McBee Reference: M-3S9643

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.