Replacement Thermostat Seal for Caterpillar ® 3406E/C15/C16 Applications OEM Cross References: 3S9643 Superseded/Alternate Numbers: M-4L8098

Product Details

1 x Regulator Seal

Details:

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 Application : Mack E6/E7 Thermostat

Fits Engine Models:

3406A
3406B
3406C
3406E
C12
C15

Cross Reference:

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• Alternate / Superseded: M-4L8098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.