Replacement Piston for Navistar ® DT466/DT466E Applications DTA466 – 91-93 – 16.5:1 OEM Cross References: 1817520C2 Superseded/Alternate Numbers: M-1809683C2, M-1811737C2, M-1817179C1, M-684255C2

1 x Piston

Engine S/N: 75000 to 1st New Generation

OE Replacements: 410001HP, 1817520C

Application & Fitment

• Engine Make: Navistar
• Engine Model / Application: DT466/DT466E

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: 1817520C2
• Alternate / Superseded: M-1809683C2, M-1811737C2, M-1817179C1, M-684255C2
• Interstate-McBee Reference: M-1817520C2

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.