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Product Information

MOOG 81118 is a front constant-rate replacement coil spring set for the listed 2004-2020 Ford F-150 and Lincoln Mark LT applications. Exact year, trim, drivetrain, and spring-code coverage varies, so the complete fitment table must be used rather than the broad year range alone.

MOOG describes its constant-rate coil springs as original-equipment replacement components intended to restore ride height, handling, and body-sway control when worn or sagging factory springs are replaced. Constant-rate construction maintains a consistent spring rate through compression.

The manufacturer uses high-strength spring material and a corrosion-resistant coating for durability. Because spring selection can depend on drivetrain, equipment, duty rating, and the vehicle's spring code, confirm all catalog qualifiers before installation.

Confirm this exact front coil spring set against the complete vehicle application before ordering. Replace and install suspension springs using appropriate spring-compression equipment and procedures specified for the vehicle.

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Anything Coyote

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Buying parts for your Mustang or F-150 should not feel like homework. Too many stores bury you in a giant catalog, slap the same distributor description on every product, and leave you guessing whether it even fits.


We do it the other way. We carry the brands you already trust, we tell you what a part actually does, and we give you the truth about the tradeoffs before you spend a dollar. Drone on that exhaust. Ride quality on those springs. Whether you need a tune. The stuff the big catalogs leave out.

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