Spark Plug for 1998-2008 Ford F-150 & More - Autolite XP5144

$43.99

Part number: XP5144

UPC: 009100044372

Condition: New

Weight: 0.10 LBS

Item Package Quantity: 1

$43.99

Current Stock: 50

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Autolite Spark Plug P/N:XP5144

$43.99

Description

Autolite XP5144 spark plug for the 1998-2008 Ford F-150 V6 4.2L and other vehicles ignites the air-fuel mixture in each cylinder. This Autolite spark plug pairs an iridium fine-wire center electrode with a platinum ground electrode.

Part of the Autolite Iridium XP line
Iridium center electrode with a fine-wire design for a more focused ignition
Platinum ground electrode with a tapered ground wire for wear resistance and ignitability
High alumina multi-rib ceramic insulator for thermal conductivity, helping prevent flash-over
Nickel-plated shell that resists corrosion

Quick facts

Part: Autolite XP5144 spark plug
Fits: 1998-2008 Ford F-150 V6 4.2L and other vehicles
Material: ceramic insulator

A worn plug can show up as hard starting, a rough idle or a misfire. Before you replace the plugs, rule out the ignition coils, wiring and fuel supply as the source of those symptoms. The engine takes one plug per cylinder.

Fits

The 1998-2008 Ford F-150 V6 4.2L, the 2006-2008 Ford Ranger V6 4.0L and the 2000-2004 Ford Focus 4-cylinder 2.0L all take this spark plug, and more vehicles do too.

Specifications

Fit and size

Thread size: M14 - 1.25 (metric), 14 mm diameter
Hex size: 5/8 in
Seat type: Tapered
Pre-gap: 0.054 in (1.4 mm)
Manufacturer heat range: 9
Center electrode insulator tip projection: 4.4 mm (0.172 in), long projection
Quantity per vehicle: 6 on the V6 engines, 4 on the 4-cylinder engines

Build and materials

Center electrode: iridium tip, fine wire, copper core
Ground electrode: platinum tip, taper cut, nickel core
Insulator: ceramic
Resistor: yes, 4000 ohm
Terminal: non-removable nut
Country of origin: Mexico
Warranty: Autolite lifetime limited warranty

In the box

One spark plug. A washer is not included.

Interchange: 9660 · HR8JII33V · 2407 · 9200 · 9402 · RS10ZWYPB5 · RS14WLPB6 · AGSF34FM · SP504

Product information is for general reference and may contain errors. See our Disclaimer.

Manufacturer's description

Product specs

Vehicles it fits

Interchange numbers

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

9660, HR8JII33V, 2407, 9200, 9402, RS10ZWYPB5, RS14WLPB6, AGSF34FM, SP504

Buyer's Q&A

Frequently Asked Questions

Is the Autolite XP5144 the right Ford F-150 spark plug for a 1998-2008 V6 4.2L?

Yes, Autolite XP5144 fits the 1998-2008 Ford F-150 V6 4.2L, and that engine takes six plugs. If your vehicle isn't named here, look it up in the "Vehicles it fits" section.

Are these Ford Ranger spark plugs right for a 2006-2008 model with the V6 4.0L?

Yes, the 2006-2008 Ford Ranger V6 4.0L takes the Autolite XP5144 spark plug, six per engine, one for each cylinder.

Is the XP5144 one of the Autolite platinum spark plugs?

It is an Autolite Iridium XP plug. The center electrode tip is iridium, and the ground electrode tip is platinum with a taper cut.

What are the gap and thread size on this spark plug?

This spark plug is pre-gapped at 0.054 in (1.4 mm). It has an M14 - 1.25 thread, a 5/8 in hex, a tapered seat and a heat range of 9.

Does the XP5144 spark plug come with a washer?

No, a washer is not included. This listing is one spark plug with a non-removable terminal nut.

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Spark Plug for 1998-2008 Ford F-150 & More - Autolite XP5144