Motorcraft High-Performance Spark Plug: Enhances Fuel Efficiency & Reliability, SP-413-X
In stock
$5.49
Listed as compatible with this vehicle by the retailer feed.
Check price1999 Lincoln Navigator Spark Plugs
10 products listed for this model year in the retailer catalog. Check engine and trim details before ordering.
Motorcraft Platinum Spark Plug (AGSF22WM): Enhanced Durability & Reliability, SP-479
In stock
$6.79
Listed as compatible with this vehicle by the retailer feed.
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Motorcraft High-Durability Spark Plug: Reduces Misfires & Fuel Consumption, SP-479-X
In stock
$7.99
Listed as compatible with this vehicle by the retailer feed.
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Motorcraft Spark Plug: Fine Wire Design for Enhanced Ignition, SP-493-X
In stock
$9.99
Listed as compatible with this vehicle by the retailer feed.
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ACDelco Double Platinum Spark Plug, 41-812
In stock
$10.49
Listed as compatible with this vehicle by the retailer feed.
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Autolite Iridium Iridium XP Fine wire Spark Plug: Improved Durability, More Focused Ignition, XP103
In stock
$11.49
Listed as compatible with this vehicle by the retailer feed.
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DENSO Iridium TT Spark Plug: Ultimate Endurance and Power, 0.4mm Iridium Tip, IT20TT, 4714
In stock
$13.49
Listed as compatible with this vehicle by the retailer feed.
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DENSO Iridium Power Spark Plug: Maximum Spark Energy, 0.4mm Iridium Tip, IT20, 5326
In stock
$14.49
Listed as compatible with this vehicle by the retailer feed.
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Motorcraft Standard Spark Plug: Enhances Durability & Reduces Fuel Consumption, SP-413
Out of stock
$4.99
Listed as compatible with this vehicle by the retailer feed.
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Motorcraft Platinum Spark Plug: Enhances Durability & Reduces Fuel Consumption, SP-493
Out of stock
$9.29
Listed as compatible with this vehicle by the retailer feed.
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This site contains affiliate links. We may earn a commission if you buy through them. We do not sell these products or guarantee merchant inventory. Compatibility is listed by the retailer feed for this vehicle; it is not an OEM confirmation. Catalog snapshot: Aug 15, 2026.