NATIONAL 5203

NATIONAL part number 5203 is a extension housing seal in the Transmission-Automatic system. This catalog matches it to 70 year-and-engine configurations from 1954 to 2011.

Verified fitment includes 2011 Honda Civic 1.3L L4 ELECTRIC/GAS ; 2011 Honda Civic 1.8L L4 ; 2011 Honda Civic 1.8L L4 CNG ; 2011 Honda Civic 2.0L L4 ; 2010 Honda Civic 1.3L L4 ELECTRIC/GAS , plus 65 other configurations. See every vehicle this part fits.

Manufacturer specifications
Includes Bushing
with Ford C6 Transmission3 Speed
Application data published for:
🇺🇸 US

Frequently Asked Questions

What is NATIONAL 5203?

NATIONAL part number 5203 is a extension housing seal with published application data for 70 vehicle configurations from 1954 to 2011. Use the manufacturer part number to cross-reference your old part or a repair quote before you order.

Which vehicles does NATIONAL 5203 fit?

This catalog matches 5203 to 70 year-and-engine configurations from 1954 to 2011. Open the compatible-vehicles list for every make, model and engine, and read the notes for position or trim qualifiers.

Is NATIONAL 5203 OEM or aftermarket?

What matters is the published application data for this part number, not the label on the box. NATIONAL 5203 is listed with its manufacturer part number so you can compare it to an OEM number or another brand that covers the same fitment.

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