Spark Plug for 1997-2002 Ford F-150 & More - Accel 0526-4

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$30.99
MPN: 0526-4
Item Package Quantity: 1

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ACCEL Spark Plug P/N:0526-4
ACCEL Spark Plug P/N:0526-4
$30.99

Fire a strong, consistent spark in every cylinder with the ACCEL U-Groove Resistor Spark Plug 0526-4 (also written 05264), sold as a 4-pack. It's a direct-fit spark plug for a wide range of listed GM, Ford and Lincoln applications — 1994 and 1996 Buick Century [L4-2.2L], 1994-1996 Buick Roadmaster [V8-5.7L], 1993-2003 Chevrolet Corvette [V8-5.7L], 1994-2001 Chevrolet Cavalier [L4-2.2L], 1996-2003 Ford Crown Victoria and many more. With 141 applications in total, check the Buyer's Guide tab for the full list and your exact engine.

  • Copper core construction: a copper core with nickel/chrome steel is a strong conductor and dissipates heat well, helping reduce the chance of a misfire.
  • U-Groove ground electrode: designed to expose a larger flame kernel for efficient combustion.
  • Gapable design: ships pre-gapped and can be opened or closed to suit high-boost setups.
  • Built-in resistor & machine-rolled threads: suppresses ignition noise while rolled threads give precise thread engagement and torque retention.

Specs: 14mm thread, 0.708 in. reach, tapered seat, 0.625 in. hex, projected tip, Heat Range 6, 0.060 in. gap. Country of origin: Czech Republic. Verify reach, seat and heat range against your engine before ordering.

Frequently Asked Questions

How many spark plugs come in this package?

This ACCEL 0526-4 listing is a 4-pack. Applications use 1 or 2 plugs per cylinder position as listed, and engines need one plug per cylinder — a V8 may require more than one pack.

What are the key specifications?

It's a U-Groove resistor plug with a 14mm thread, 0.708 in. reach, tapered seat, 0.625 in. hex, projected tip, Heat Range 6, and a 0.060 in. gap.

What is the electrode and core made of?

The plug uses a copper core with nickel/chrome steel and a copper electrode, along with a five-rib aluminum insulator, per the manufacturer's specifications.

Can I adjust the gap on these plugs?

Yes. ACCEL HP plugs are gapable — you can open the gap for a larger flame kernel or close it for high-boost applications. Always set the gap to your engine's specification.

Will this plug fit my vehicle?

It's listed for 141 applications across Buick, Cadillac, Chevrolet, Ford, GMC, Lincoln and more. Check the Buyer's Guide tab and confirm the reach, seat type and heat range match your engine.