MAS Ignition Coils & Spark Plugs Kit DG508 / SP493 — Direct-Fit for Ford 4.6L with Motorcraft Plugs

MAS Ignition Coils DG508 paired with Motorcraft SP493 spark plugs provide a direct-fit ignition replacement kit for Ford, Lincoln and Mercury 4.6L engines, engineered to meet or exceed OE specifications.

This replacement kit combines MAS ignition coils built to OE-level tolerances with Motorcraft SP493 spark plugs for a matched ignition service solution. The components are designed for direct swap-in installation on compatible 4.6L engines; they use heat-resistant materials and high-energy coil construction intended to support reliable spark delivery and controlled emissions. Before ordering, confirm fitment using the year/make/model selector and the listed interchangeable part numbers to avoid mismatch.

How do these coils and plugs fit my 4.6L Ford, Lincoln or Mercury?

These parts are manufactured to match the original equipment form, fit and electrical characteristics for many 4.6L vehicles. MAS provides a list of dealer and aftermarket cross-references so you can verify the correct replacement. Always check the vehicle selector and part cross-reference list prior to purchase.

• Direct-fit design for many 4.6L Ford family engines
• Replaces reference numbers such as DG508, SP493 and multiple OEM codes
• Compatibility validated via year/make/model drop-down and interchange list

What performance and durability features do the MAS coils offer?

MAS coils are built to meet or exceed original equipment specifications and undergo quality control testing. The coils incorporate high-grade materials and heat-resistant compounds in the coil-on-plug boot to withstand prolonged thermal stress. These design choices aim to give consistent energy output and long service life under typical driving conditions.

• High-energy coil construction for stable spark delivery
• Heat-resistant boot compound to resist degradation
• Quality-controlled manufacturing to match OE electrical specs

Why include Motorcraft SP493 spark plugs with the coils?

Pairing MAS coils with Motorcraft SP493 plugs ensures a matched ignition set that simplifies replacement and reduces compatibility guesswork. Motorcraft SP493 is a recognized OEM-type plug for many applications in this engine family, helping maintain factory-like ignition performance when installed alongside compatible coils.

• OEM-style Motorcraft plugs chosen for proven fitment
• Matched spark characteristics to complement the coils
• Sold and packaged as a combined kit for convenience

How should I verify and install these replacement parts?

Double-check fitment with the vehicle selector and cross-reference numbers listed in the product details. Installation follows standard ignition coil and spark plug replacement procedures—disconnect battery, remove old coils and plugs, install new plugs and torque to spec, then fit new coils. If you’re unsure, consult a professional mechanic to avoid errors.

• Use the year/make/model drop-down before purchase
• Follow OEM torque and gap specifications for spark plugs
• Professional installation recommended if unfamiliar with ignition work

Who is this for? This MAS ignition coil and Motorcraft SP493 spark plug kit is aimed at owners and technicians maintaining Ford, Lincoln or Mercury vehicles with the 4.6L engine who want a direct-fit, OE-level replacement set. It’s suitable for DIYers confident with ignition-system work and professional shops seeking a matched, warranty-backed alternative to dealer parts. Remember to verify compatibility against your vehicle’s model year and referenced part numbers before ordering to ensure a correct fit.