Champion Spark Plug Spark Plug 429
Champion Spark Plug Spark Plug 429

Champion Spark Plug Spark Plug P/N:429

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$48.99
MPN: 429
Item Package Quantity: 1

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Champion Spark Plug Spark Plug P/N:429
Champion Spark Plug Spark Plug P/N:429
$48.99

Keep the spark strong in your vintage Ford with the Champion Copper Plus Spark Plug 429. It drops in as a direct-fit replacement for the L4-3.3L engine in the 1928-1931 Ford Model A and Model AA, the 1928-1934 Ford Sedan Delivery, the 1932 Ford Model B, the 1932-1934 Ford Model BB, and the 1934 Ford Model 40 A, built to meet OE fit, form, and function for dependable ignition.

  • Copper-core center electrode: the copper-core center electrode (nickel tip) allows accurate control of heat range for longer life and consistent sparks.
  • Corrosion-resistant shell: the coated shell provides corrosion resistance in harsh environments.
  • Pre-gapped, flat seat: the pre-gapped, flat-seat design simplifies installation; the plug is set at 0.035 in (0.90 mm).
  • Non-resistor plug: cataloged with Resistor Type: No.

If worn plugs are behind hard starting, rough idle, or misfires, fresh plugs like these help restore reliable ignition. Each of the listed engines uses four spark plugs, so order the quantity your vehicle requires. Country of origin: United States. Manufacturer part number 429.

This part cross-references / interchanges with the following part numbers:

3X

Frequently Asked Questions

What vehicles does the Champion 429 fit?

It fits the L4-3.3L engine in the 1928-1931 Ford Model A and Model AA, 1928-1934 Ford Sedan Delivery, 1932 Ford Model B, 1932-1934 Ford Model BB, and 1934 Ford Model 40 A. See the Buyer's Guide tab.

How many spark plugs do I need?

Each of the listed L4-3.3L engines uses four spark plugs. Order the quantity your vehicle requires for a complete set.

Is the Champion 429 pre-gapped?

Yes, it has a pre-gapped, flat-seat design set at 0.035 in (0.90 mm). Confirm the gap against your vehicle's specification before installing.

Is this a resistor spark plug?

No. The catalog lists it as a non-resistor plug (Resistor Type: No).

What are signs my spark plugs may need replacing?

Hard starting, rough idle, misfires, or reduced fuel economy can signal worn plugs. Diagnose the cause first, since these symptoms can have other sources.

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