Monroe
OESpectrum Passenger Car Shock Absorber

Monroe 5843 Shock Absorber - Front

Brand Monroe 5843
Position Front
Compressed Bumper Stop Yes
Compressed Length 10
Dust Shield Yes
Dust Shield Material Metal
Extended Bumper Stop Yes
Extended Hydraulic Lockout No
Extended Length 12.875
Lower Mounting Code LS47
Lower Mounting Type Loop Bushing & Sleeve Mount - 9/16" Sleeve ID X 1.5/8" Sleeve OAL
Parts Pack None
Travel Length 2.875
Upper Mounting Code LS48
Upper Mounting Type Loop Bushing & Sleeve Mount - 9/16" Sleeve ID X 2.7/16" Sleeve OAL
Product line OESpectrum Passenger Car Shock Absorber
Fits Buick, Cadillac, and Oldsmobile · 27 vehicles

Factory-style ride control. Restores original drivability with precise handling and control.

Noise, vibration, harshness. Filters out road harshness for a quieter, smoother ride.

Metal dust shield. Helps protect the shock absorber from debris and wear.

Cross-references KYB KG4531, Nissens 69706 and TS3330531B for the same application. See all 3.

$50.13Free shipping
In stock · usually ships same day before 1pm CST
Step 1 — Confirm fitment
Free return shipping if it doesn't fit when you check fitment here first.

Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
Step 2 — Quantity
Shock Absorbers are typically replaced in pairs, axle by axle.
Order total $50.13
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.

Monroe OESpectrum 5843 Front Shock Absorber

Monroe OESpectrum 5843 is a front suspension shock absorber for select Buick, Cadillac, and Oldsmobile applications. It is built to restore factory-style drivability while improving handling control and reducing noise, vibration, and harshness.

Key Features

  • Front suspension shock absorber for passenger car applications
  • OESpectrum passenger car line focused on OE-style ride control
  • Compressed length: 10 in.; extended length: 12.875 in.; travel length: 2.875 in.
  • Metal dust shield included
  • Compressed bumper stop and extended bumper stop included
  • Lower mount: LS47 loop bushing and sleeve mount, 9/16 in. sleeve ID x 1.5/8 in. sleeve OAL
  • Upper mount: LS48 loop bushing and sleeve mount, 9/16 in. sleeve ID x 2.7/16 in. sleeve OAL

Product Details

Monroe OESpectrum passenger car shock absorbers are tuned to bring back original factory drivability and performance while maintaining precise handling control. The Monroe OESpectrum 5843 uses a metal dust shield and integrated bumper stops to help protect the shock and support consistent operation in front suspension service. This part cross-references KYB KG4531 for the same application.

Compatible With 1979-1985 Buick Riviera, front; 1979-1985 Cadillac Eldorado, front; 1980-1985 Cadillac Seville, front; and 1979-1985 Oldsmobile Toronado, front. Monroe 5843 is a direct-fit front shock option for these OE-style suspension applications.

Common Repair Uses

  • Front-end bounce or excessive body movement
  • Reduced steering response over uneven pavement
  • Noise and harshness from worn shock absorbers
  • Loss of ride control in stock suspension setups
  • Uneven front suspension damping performance

Installation Notes

Verify mount style, sleeve dimensions, and compressed/extended length before installation. This shock uses loop bushing and sleeve mounts at both ends, so confirm the LS47 lower and LS48 upper mounting codes match the vehicle. For best results, inspect related front suspension components such as bushings, springs, and mounting points during replacement.

Quality Assurance

Monroe OESpectrum 5843 is engineered as an OE-style replacement shock absorber for factory-type ride quality and control. It is built for the listed Buick Riviera, Cadillac Eldorado, Cadillac Seville, and Oldsmobile Toronado front applications.

This part fits 27 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelPositionNotes
1985BuickRivieraFrontEnhances performance for vehicles with stock components.; OESpectrum Passenger Car Shock Absorber
1985CadillacEldoradoFrontEnhances performance for vehicles with stock components.; OESpectrum Passenger Car Shock Absorber
1985CadillacSevilleFrontEnhances performance for vehicles with stock components.; OESpectrum Passenger Car Shock Absorber
1985OldsmobileToronadoFrontEnhances performance for vehicles with stock components.; OESpectrum Passenger Car Shock Absorber
1984BuickRivieraFrontEnhances performance for vehicles with stock components.; OESpectrum Passenger Car Shock Absorber
1984CadillacEldoradoFrontEnhances performance for vehicles with stock components.; OESpectrum Passenger Car Shock Absorber
1984CadillacSevilleFrontEnhances performance for vehicles with stock components.; OESpectrum Passenger Car Shock Absorber
1984OldsmobileToronadoFrontEnhances performance for vehicles with stock components.; OESpectrum Passenger Car Shock Absorber
1983BuickRivieraFrontEnhances performance for vehicles with stock components.; OESpectrum Passenger Car Shock Absorber
1983CadillacEldoradoFrontEnhances performance for vehicles with stock components.; OESpectrum Passenger Car Shock Absorber
1983CadillacSevilleFrontEnhances performance for vehicles with stock components.; OESpectrum Passenger Car Shock Absorber
1983OldsmobileToronadoFrontEnhances performance for vehicles with stock components.; OESpectrum Passenger Car Shock Absorber
1982BuickRivieraFrontEnhances performance for vehicles with stock components.; OESpectrum Passenger Car Shock Absorber
1982CadillacEldoradoFrontEnhances performance for vehicles with stock components.; OESpectrum Passenger Car Shock Absorber
1982CadillacSevilleFrontEnhances performance for vehicles with stock components.; OESpectrum Passenger Car Shock Absorber
1982OldsmobileToronadoFrontEnhances performance for vehicles with stock components.; OESpectrum Passenger Car Shock Absorber
1981BuickRivieraFrontEnhances performance for vehicles with stock components.; OESpectrum Passenger Car Shock Absorber
1981CadillacEldoradoFrontEnhances performance for vehicles with stock components.; OESpectrum Passenger Car Shock Absorber
1981CadillacSevilleFrontEnhances performance for vehicles with stock components.; OESpectrum Passenger Car Shock Absorber
1981OldsmobileToronadoFrontEnhances performance for vehicles with stock components.; OESpectrum Passenger Car Shock Absorber
1980BuickRivieraFrontEnhances performance for vehicles with stock components.; OESpectrum Passenger Car Shock Absorber
1980CadillacEldoradoFrontEnhances performance for vehicles with stock components.; OESpectrum Passenger Car Shock Absorber
1980CadillacSevilleFrontEnhances performance for vehicles with stock components.; OESpectrum Passenger Car Shock Absorber
1980OldsmobileToronadoFrontEnhances performance for vehicles with stock components.; OESpectrum Passenger Car Shock Absorber
1979BuickRivieraFrontEnhances performance for vehicles with stock components.; OESpectrum Passenger Car Shock Absorber
1979CadillacEldoradoFrontEnhances performance for vehicles with stock components.; OESpectrum Passenger Car Shock Absorber
1979OldsmobileToronadoFrontEnhances performance for vehicles with stock components.; OESpectrum Passenger Car Shock Absorber
Directly replaces or cross-references 3 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
KYB — KG4531Nissens — 69706TS3330531B