Mevotech SMS5406 Coil Spring Set - Front
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Mevotech

Mevotech SMS5406 Coil Spring Set - Front

Brand Mevotech SMS5406
Position Front
Fits Buick, Chevrolet, Oldsmobile, and Pontiac · 34 vehicles

Coil spring set. Direct-fit suspension springs for restoring ride height and handling.

Cross-references 5406 for the same application. See all 1.

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Mevotech SMS5406 Front Coil Spring Set

Mevotech SMS5406 is a front coil spring set for select GM full-size cars from the late 1970s through the mid-1980s. It is listed for vehicles with constant-rate front spring applications, including air-conditioned and non-air-conditioned configurations where noted.

Key Features

  • Front coil spring set for suspension service
  • Constant-rate spring design for listed applications
  • Fits select Buick, Chevrolet, Oldsmobile, and Pontiac models
  • Application-specific coverage for air conditioning and transmission configurations where specified
  • Interchanges with part number 5406

Detailed Description

Mevotech SMS5406 is a front coil spring set engineered for a range of classic GM rear-wheel-drive sedans and coupes. Confirmed fitment includes 1977-1980 Oldsmobile 98, front; 1979 and 1981 Oldsmobile 98, front; 1981 Oldsmobile 98, front with air conditioning; 1981-1983 Chevrolet Caprice, front with air conditioning and constant-rate coil springs; 1984 Chevrolet Caprice, front without air conditioning; 1985 Chevrolet Caprice, front with air conditioning and automatic overdrive transmission; 1982-1983 Chevrolet Impala, front with air conditioning and constant-rate coil springs; 1985 Chevrolet Impala, front with air conditioning and automatic overdrive transmission or constant-rate coil springs; 1984 Buick LeSabre, front; 1984-1985 Buick LeSabre, front with air conditioning and constant-rate coil springs; 1983-1984 Oldsmobile Delta 88, front with air conditioning and constant-rate coil springs; 1984 Pontiac Parisienne, front without air conditioning; and 1981 Pontiac Bonneville, front without air conditioning. This part cross-references 5406 for the same application.

What It Helps Address

  • Sagging or uneven front ride height
  • Worn original coil springs on aging suspension systems
  • Front-end stance changes caused by spring fatigue
  • Ride quality issues tied to weakened spring support
  • Replacement needs during front suspension restoration

Installation Notes and Tips

Verify the vehicle’s year, make, model, front suspension configuration, and notes such as air conditioning or automatic overdrive transmission before ordering. Compare the original spring shape and dimensions to the replacement part, and inspect related suspension components such as struts, bushings, and mounts during service. Because coil springs store significant energy, professional installation is recommended.

Quality Assurance

Mevotech supplies suspension components for service and replacement applications. SMS5406 is cataloged for direct-fit use on the listed vehicles and configurations.

Related reading

This part fits 34 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelSubmodelBody Type# DoorsTransmissionLitersCylindersFuel TypePositionNotes
1985BuickLeSabreLimited———5.7LV8—FrontFits vehicles equipped with air conditioning with constant-rate coil springs.
1985BuickLeSabreCustom———5.7LV8—FrontFits vehicles equipped with air conditioning with constant-rate coil springs.
1985ChevroletCaprice—Sedan4 Door—5.7LV8DIESELFrontFits vehicles equipped with air conditioning with constant-rate coil springs.
1985ChevroletCaprice—Coupe2 Door—5.7LV8DIESELFrontConstant rate spring; with Automatic Overdrive Transmission (A.O.T.); with Air Conditioning
1985ChevroletImpala————5.7LV8DIESELFrontConstant rate spring; with Air Conditioning; with Automatic Overdrive Transmission (A.O.T.)
1985ChevroletImpala———Automatic5.7LV8DIESELFrontFits vehicles equipped with air conditioning with constant-rate coil springs.
1984BuickLeSabreCustom———5.7LV8—FrontFits vehicles equipped with air conditioning with constant-rate coil springs.
1984BuickLeSabreLimitedSedan4 Door—5.7LV8—FrontConstant rate coil spring for various vehicles.
1984BuickLeSabreLimitedCoupe2 Door—5.7LV8—FrontConstant rate coil spring for various vehicles.
1984ChevroletCaprice—Coupe2 Door—5.7LV8DIESELFrontConstant rate coil spring designed for vehicles without Air Conditioning.
1984OldsmobileDelta 88Royale Brougham———5.7LV8DIESELFrontFits vehicles equipped with air conditioning with constant-rate coil springs.
1984OldsmobileDelta 88Royale Brougham LS———5.7LV8DIESELFrontFits vehicles equipped with air conditioning with constant-rate coil springs.
1984PontiacParisienneBroughamSedan4 Door—5.7LV8—FrontConstant rate coil spring designed for vehicles without Air Conditioning.
1984PontiacParisienneBaseSedan4 Door—5.7LV8—FrontConstant rate coil spring designed for vehicles without Air Conditioning.
1983ChevroletCaprice—Sedan4 Door—5.7LV8DIESELFrontFits vehicles equipped with air conditioning with constant-rate coil springs.
1983ChevroletImpala————5.7LV8DIESELFrontFits vehicles equipped with air conditioning with constant-rate coil springs.
1983OldsmobileDelta 88Royale———5.7LV8—FrontFits vehicles equipped with air conditioning with constant-rate coil springs.
1983OldsmobileDelta 88Royale Brougham———5.7LV8—FrontFits vehicles equipped with air conditioning with constant-rate coil springs.
1983OldsmobileDelta 88Base———5.7LV8—FrontFits vehicles equipped with air conditioning with constant-rate coil springs.
1982ChevroletCaprice—Sedan4 Door—5.7LV8DIESELFrontFits vehicles equipped with air conditioning with constant-rate coil springs.
1982ChevroletCaprice—Coupe2 Door—5.7LV8DIESELFrontFits vehicles equipped with air conditioning with constant-rate coil springs.
1982ChevroletImpala—Sedan4 Door—5.7LV8DIESELFrontFits vehicles equipped with air conditioning with constant-rate coil springs.
1981ChevroletCaprice—Sedan4 Door—5.7LV8DIESELFrontFits vehicles equipped with air conditioning with constant-rate coil springs.
1981ChevroletCaprice—Coupe2 Door—5.7LV8DIESELFrontFits vehicles equipped with air conditioning with constant-rate coil springs.
1981Oldsmobile98————5.7LV8DIESELFrontFits vehicles equipped with air conditioning with constant-rate coil springs.
1981PontiacBonneville—Sedan4 Door—5.7LV8—FrontConstant rate coil spring designed for vehicles without Air Conditioning.
1981PontiacBonneville—Coupe2 Door—5.7LV8—FrontConstant rate coil spring designed for vehicles without Air Conditioning.
1980Oldsmobile98————5.7LV8DIESELFrontConstant rate coil spring designed for vehicles without Air Conditioning.
1979Oldsmobile98————6.6LV8—FrontFits vehicles equipped with air conditioning with constant-rate coil springs.
1979Oldsmobile98————5.7LV8DIESELFrontConstant rate coil spring designed for vehicles without Air Conditioning.
1978Oldsmobile98Regency———6.6LV8—FrontConstant rate coil spring designed for vehicles without Air Conditioning.
1978Oldsmobile98Luxury———6.6LV8—FrontConstant rate coil spring designed for vehicles without Air Conditioning.
1977Oldsmobile98————6.6LV8—FrontConstant rate coil spring designed for vehicles without Air Conditioning.
1977Oldsmobile98————5.7LV8—FrontConstant rate coil spring designed for vehicles without Air Conditioning.
Directly replaces or cross-references 1 part number
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
5406