Mevotech MK6421 Suspension Control Arm Bushing - Front Lower

OE Quality 60-Day Returns

Mevotech MK6421 Suspension Control Arm Bushing - Front Lower

Brand	Mevotech MK6421
Position	Front Lower
Color	Grey
Inside Diameter	0.48
Length	2.4
Material	Natural Rubber
Mounting Type	Press In
Number of Bushings	4
Outside Diameter	1.67
Fits	Chevrolet, Oldsmobile, Buick, GMC, and Pontiac · 94 vehicles

Press-in fit. Simplifies installation with a straightforward bushing replacement.

Natural rubber. Provides a flexible, resilient suspension bushing material.

Control arm bushing. Restores smooth suspension pivoting and helps reduce play.

Cross-references MOOG Chassis Products K6421, 2673348 and 2673349 for the same application. See all 9.

$39.30Free 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.

Confirm position

Select your vehicle to confirm fitment

Verify this part fits before purchasing — free returns if it doesn't

Step 2 — Quantity

Free shipping to the continental U.S.

Free returns within 60 days if it doesn't fit when fitment is verified.

Not what you need? See all Suspension Control Arm Bushing options

Mevotech MK6421 Front Lower Control Arm Bushings

Restore front suspension support with the Mevotech MK6421 suspension control arm bushing kit. Built with natural rubber and a press-in mounting design, this suspension bushing set is made for front lower applications on a wide range of GM A-body and G-body vehicles, including Chevrolet Monte Carlo, Oldsmobile Cutlass Supreme, and Buick Regal.

Mevotech MK6421 is a direct-fit suspension control arm bushing solution for drivers looking to address worn rubber at the front lower control arm. The natural rubber construction helps maintain suspension isolation while supporting steering response and front-end stability on classic Chevrolet, Buick, Oldsmobile, and Pontiac platforms.

Natural rubber construction for suspension isolation and road feel
Press-in mounting type for front lower control arm service
Grey finish
Inside diameter: 0.48 in.
Outside diameter: 1.67 in.
Length: 2.4 in.
Compatible with front lower applications on Chevrolet Monte Carlo, Oldsmobile Cutlass Supreme, Buick Regal, and related models
Cross-references MOOG Chassis Products K6421 for the same application

Detailed Product Overview

This Mevotech MK6421 bushing kit is engineered for front lower suspension service on vehicles such as the 1978-1988 Chevrolet Monte Carlo, 1978-1988 Oldsmobile Cutlass Supreme, and 1978-1987 Buick Regal. It also covers additional fitments including Chevrolet El Camino, Pontiac Grand Prix, Pontiac Bonneville, Oldsmobile Cutlass, Malibu, Cutlass Cruiser, Grand LeMans, LeMans, Grand Am, and Buick Century. The natural rubber material supports controlled suspension movement while helping preserve the original ride characteristics expected from OE-style rubber bushings.

Use MK6421 when replacing worn front lower control arm bushings that can affect alignment stability, steering precision, and suspension noise. The press-in design is suited for service work on classic GM front suspension systems where rubber deterioration is common.

What This Part Helps Address

Front-end looseness from worn lower control arm bushings
Clunking or squeaking from deteriorated rubber suspension bushings
Uneven tire wear related to unstable front suspension geometry
Reduced steering response on older GM A-body and G-body vehicles
Excess vibration transferred through the front suspension

Installation Notes and Tips

Fits 1978-1988 Chevrolet Monte Carlo, front lower. Fits 1978-1988 Oldsmobile Cutlass Supreme, front lower. Fits 1978-1987 Buick Regal, front lower. Fits 1978-1987 Chevrolet El Camino, front lower. Fits 1985-1987 Oldsmobile Cutlass, front lower. Fits 1978-1981 Oldsmobile Cutlass, front lower. Fits 1978-1987 Pontiac Grand Prix, front lower. Fits 1982-1986 Pontiac Bonneville, front lower. Fits 1978-1984 Oldsmobile Cutlass Calais, front lower. Fits 1978-1983 Chevrolet Malibu, front lower. Fits 1980-1983 Oldsmobile Cutlass Cruiser, front lower. Fits 1981-1982 Pontiac Grand LeMans, front lower. Fits 1978-1981 Buick Century, front lower. Fits 1978-1981 Pontiac LeMans, front lower. Fits 1978-1980 Pontiac Grand Am, front lower.

Press-in bushings require proper removal and installation tools to avoid damaging the control arm. Inspect the control arm, alignment components, and surrounding hardware before installation, and verify fitment by year, make, model, and front lower position before service.

Quality Assurance

Mevotech suspension components are built for service applications where accurate fit and durable rubber construction matter. Part number MK6421 is a direct replacement option for front lower control arm bushing service on the listed vehicles.

This part fits 94 vehicles

Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

Year	Make	Model	Drive Type	Position	Notes
1988	Chevrolet	Monte Carlo	—	Front Lower	Kit - fits both sides of the vehicle; Provides Additional Handling Benefits
1988	Oldsmobile	Cutlass Supreme	RWD	Front Lower	Kit - fits both sides of the vehicle; Provides Additional Handling Benefits; Box Contains Both Sides, One Box Per Vehicle
1987	Buick	Regal	—	Front Lower	Kit - fits both sides of the vehicle; Provides Additional Handling Benefits
1987	Chevrolet	El Camino	—	Front Lower	Kit - fits both sides of the vehicle; Provides Additional Handling Benefits
1987	Chevrolet	Monte Carlo	—	Front Lower	Kit - fits both sides of the vehicle; Provides Additional Handling Benefits
1987	Oldsmobile	Cutlass	—	Front Lower	Kit - fits both sides of the vehicle; Provides Additional Handling Benefits
1987	Oldsmobile	Cutlass Supreme	—	Front Lower	Kit - fits both sides of the vehicle; Provides Additional Handling Benefits; Box Contains Both Sides, One Box Per Vehicle
1987	Pontiac	Grand Prix	—	Front Lower	Kit - fits both sides of the vehicle; Provides Additional Handling Benefits
1986	Buick	Regal	—	Front Lower	Kit - fits both sides of the vehicle; Provides Additional Handling Benefits
1986	Chevrolet	El Camino	—	Front Lower	Kit - fits both sides of the vehicle; Provides Additional Handling Benefits
1986	Chevrolet	Monte Carlo	—	Front Lower	Kit - fits both sides of the vehicle; Provides Additional Handling Benefits
1986	Oldsmobile	Cutlass	—	Front Lower	Kit - fits both sides of the vehicle; Provides Additional Handling Benefits
1986	Oldsmobile	Cutlass Supreme	—	Front Lower	Kit - fits both sides of the vehicle; Provides Additional Handling Benefits; Box Contains Both Sides, One Box Per Vehicle
1986	Pontiac	Bonneville	—	Front Lower	Kit - fits both sides of the vehicle; Provides Additional Handling Benefits
1986	Pontiac	Grand Prix	—	Front Lower	Kit - fits both sides of the vehicle; Provides Additional Handling Benefits
1985	Buick	Regal	—	Front Lower	Kit - fits both sides of the vehicle; Provides Additional Handling Benefits
1985	Chevrolet	El Camino	—	Front Lower	Kit - fits both sides of the vehicle; Provides Additional Handling Benefits
1985	Chevrolet	Monte Carlo	—	Front Lower	Kit - fits both sides of the vehicle; Provides Additional Handling Benefits
1985	Oldsmobile	Cutlass	—	Front Lower	Kit - fits both sides of the vehicle; Provides Additional Handling Benefits
1985	Oldsmobile	Cutlass Supreme	—	Front Lower	Kit - fits both sides of the vehicle; Provides Additional Handling Benefits; Box Contains Both Sides, One Box Per Vehicle
1985	Pontiac	Bonneville	—	Front Lower	Kit - fits both sides of the vehicle; Provides Additional Handling Benefits
1985	Pontiac	Grand Prix	—	Front Lower	Kit - fits both sides of the vehicle; Provides Additional Handling Benefits
1984	Buick	Regal	—	Front Lower	Kit - fits both sides of the vehicle; Provides Additional Handling Benefits
1984	Chevrolet	El Camino	—	Front Lower	Kit - fits both sides of the vehicle; Provides Additional Handling Benefits
1984	Chevrolet	Monte Carlo	—	Front Lower	Kit - fits both sides of the vehicle; Provides Additional Handling Benefits
1984	Oldsmobile	Cutlass Calais	—	Front Lower	Kit - fits both sides of the vehicle; Provides Additional Handling Benefits
1984	Oldsmobile	Cutlass Supreme	—	Front Lower	Kit - fits both sides of the vehicle; Provides Additional Handling Benefits; Box Contains Both Sides, One Box Per Vehicle
1984	Pontiac	Bonneville	—	Front Lower	Kit - fits both sides of the vehicle; Provides Additional Handling Benefits
1984	Pontiac	Grand Prix	—	Front Lower	Kit - fits both sides of the vehicle; Provides Additional Handling Benefits
1983	Buick	Regal	—	Front Lower	Kit - fits both sides of the vehicle; Provides Additional Handling Benefits
1983	Chevrolet	El Camino	—	Front Lower	Kit - fits both sides of the vehicle; Provides Additional Handling Benefits
1983	Chevrolet	Malibu	—	Front Lower	Kit - fits both sides of the vehicle; Provides Additional Handling Benefits
1983	Chevrolet	Monte Carlo	—	Front Lower	Kit - fits both sides of the vehicle; Provides Additional Handling Benefits
1983	Oldsmobile	Cutlass Calais	—	Front Lower	Kit - fits both sides of the vehicle; Provides Additional Handling Benefits
1983	Oldsmobile	Cutlass Cruiser	—	Front Lower	Kit - fits both sides of the vehicle; Provides Additional Handling Benefits
1983	Oldsmobile	Cutlass Supreme	—	Front Lower	Kit - fits both sides of the vehicle; Provides Additional Handling Benefits; Box Contains Both Sides, One Box Per Vehicle
1983	Pontiac	Bonneville	—	Front Lower	Kit - fits both sides of the vehicle; Provides Additional Handling Benefits
1983	Pontiac	Grand Prix	—	Front Lower	Kit - fits both sides of the vehicle; Provides Additional Handling Benefits
1982	Buick	Regal	—	Front Lower	Kit - fits both sides of the vehicle; Provides Additional Handling Benefits
1982	Chevrolet	El Camino	—	Front Lower	Kit - fits both sides of the vehicle; Provides Additional Handling Benefits
1982	Chevrolet	Malibu	—	Front Lower	Kit - fits both sides of the vehicle; Provides Additional Handling Benefits
1982	Chevrolet	Monte Carlo	—	Front Lower	Kit - fits both sides of the vehicle; Provides Additional Handling Benefits
1982	Oldsmobile	Cutlass Calais	—	Front Lower	Kit - fits both sides of the vehicle; Provides Additional Handling Benefits
1982	Oldsmobile	Cutlass Cruiser	—	Front Lower	Kit - fits both sides of the vehicle; Provides Additional Handling Benefits
1982	Oldsmobile	Cutlass Supreme	—	Front Lower	Kit - fits both sides of the vehicle; Provides Additional Handling Benefits; Box Contains Both Sides, One Box Per Vehicle
1982	Pontiac	Bonneville	—	Front Lower	Kit - fits both sides of the vehicle; Provides Additional Handling Benefits
1982	Pontiac	Grand LeMans	—	Front Lower	Kit - fits both sides of the vehicle; Provides Additional Handling Benefits
1982	Pontiac	Grand Prix	—	Front Lower	Kit - fits both sides of the vehicle; Provides Additional Handling Benefits
1981	Buick	Century	—	Front Lower	Kit - fits both sides of the vehicle; Provides Additional Handling Benefits
1981	Buick	Regal	—	Front Lower	Kit - fits both sides of the vehicle; Provides Additional Handling Benefits
1981	Chevrolet	El Camino	—	Front Lower	Kit - fits both sides of the vehicle; Provides Additional Handling Benefits
1981	Chevrolet	Malibu	—	Front Lower	Kit - fits both sides of the vehicle; Provides Additional Handling Benefits
1981	Chevrolet	Monte Carlo	—	Front Lower	Kit - fits both sides of the vehicle; Provides Additional Handling Benefits
1981	Oldsmobile	Cutlass	—	Front Lower	Kit - fits both sides of the vehicle; Provides Additional Handling Benefits
1981	Oldsmobile	Cutlass Calais	—	Front Lower	Kit - fits both sides of the vehicle; Provides Additional Handling Benefits
1981	Oldsmobile	Cutlass Cruiser	—	Front Lower	Kit - fits both sides of the vehicle; Provides Additional Handling Benefits
1981	Oldsmobile	Cutlass Supreme	—	Front Lower	Kit - fits both sides of the vehicle; Provides Additional Handling Benefits; Box Contains Both Sides, One Box Per Vehicle
1981	Pontiac	Grand LeMans	—	Front Lower	Kit - fits both sides of the vehicle; Provides Additional Handling Benefits
1981	Pontiac	Grand Prix	—	Front Lower	Kit - fits both sides of the vehicle; Provides Additional Handling Benefits
1981	Pontiac	LeMans	—	Front Lower	Kit - fits both sides of the vehicle; Provides Additional Handling Benefits
1980	Buick	Century	—	Front Lower	Kit - fits both sides of the vehicle; Provides Additional Handling Benefits
1980	Buick	Regal	—	Front Lower	Kit - fits both sides of the vehicle; Provides Additional Handling Benefits
1980	Chevrolet	El Camino	—	Front Lower	Kit - fits both sides of the vehicle; Provides Additional Handling Benefits
1980	Chevrolet	Malibu	—	Front Lower	Kit - fits both sides of the vehicle; Provides Additional Handling Benefits
1980	Chevrolet	Monte Carlo	—	Front Lower	Kit - fits both sides of the vehicle; Provides Additional Handling Benefits
1980	Oldsmobile	Cutlass	—	Front Lower	Kit - fits both sides of the vehicle; Provides Additional Handling Benefits
1980	Oldsmobile	Cutlass Calais	—	Front Lower	Kit - fits both sides of the vehicle; Provides Additional Handling Benefits
1980	Oldsmobile	Cutlass Cruiser	—	Front Lower	Kit - fits both sides of the vehicle; Provides Additional Handling Benefits
1980	Oldsmobile	Cutlass Supreme	—	Front Lower	Kit - fits both sides of the vehicle; Provides Additional Handling Benefits; Box Contains Both Sides, One Box Per Vehicle
1980	Pontiac	Grand Am	—	Front Lower	Kit - fits both sides of the vehicle; Provides Additional Handling Benefits
1980	Pontiac	Grand Prix	—	Front Lower	Kit - fits both sides of the vehicle; Provides Additional Handling Benefits
1980	Pontiac	LeMans	—	Front Lower	Kit - fits both sides of the vehicle; Provides Additional Handling Benefits
1979	Buick	Century	—	Front Lower	Kit - fits both sides of the vehicle; Provides Additional Handling Benefits
1979	Buick	Regal	—	Front Lower	Kit - fits both sides of the vehicle; Provides Additional Handling Benefits
1979	Chevrolet	El Camino	—	Front Lower	Kit - fits both sides of the vehicle; Provides Additional Handling Benefits
1979	Chevrolet	Malibu	—	Front Lower	Kit - fits both sides of the vehicle; Provides Additional Handling Benefits
1979	Chevrolet	Monte Carlo	—	Front Lower	Kit - fits both sides of the vehicle; Provides Additional Handling Benefits
1979	Oldsmobile	Cutlass	—	Front Lower	Kit - fits both sides of the vehicle; Provides Additional Handling Benefits
1979	Oldsmobile	Cutlass Calais	—	Front Lower	Kit - fits both sides of the vehicle; Provides Additional Handling Benefits
1979	Oldsmobile	Cutlass Supreme	—	Front Lower	Kit - fits both sides of the vehicle; Provides Additional Handling Benefits; Box Contains Both Sides, One Box Per Vehicle
1979	Pontiac	Grand Am	—	Front Lower	Kit - fits both sides of the vehicle; Provides Additional Handling Benefits
1979	Pontiac	Grand Prix	—	Front Lower	Kit - fits both sides of the vehicle; Provides Additional Handling Benefits
1979	Pontiac	LeMans	—	Front Lower	Kit - fits both sides of the vehicle; Provides Additional Handling Benefits
1978	Buick	Century	—	Front Lower	Kit - fits both sides of the vehicle; Provides Additional Handling Benefits
1978	Buick	Regal	—	Front Lower	Kit - fits both sides of the vehicle; Provides Additional Handling Benefits
1978	Chevrolet	El Camino	—	Front Lower	Kit - fits both sides of the vehicle; Provides Additional Handling Benefits
1978	Chevrolet	Malibu	—	Front Lower	Kit - fits both sides of the vehicle; Provides Additional Handling Benefits
1978	Chevrolet	Monte Carlo	—	Front Lower	Kit - fits both sides of the vehicle; Provides Additional Handling Benefits
1978	Oldsmobile	Cutlass	—	Front Lower	Kit - fits both sides of the vehicle; Provides Additional Handling Benefits
1978	Oldsmobile	Cutlass Calais	—	Front Lower	Kit - fits both sides of the vehicle; Provides Additional Handling Benefits
1978	Oldsmobile	Cutlass Supreme	—	Front Lower	Kit - fits both sides of the vehicle; Provides Additional Handling Benefits; Box Contains Both Sides, One Box Per Vehicle
1978	Pontiac	Grand Am	—	Front Lower	Kit - fits both sides of the vehicle; Provides Additional Handling Benefits
1978	Pontiac	Grand Prix	—	Front Lower	Kit - fits both sides of the vehicle; Provides Additional Handling Benefits
1978	Pontiac	LeMans	—	Front Lower	Kit - fits both sides of the vehicle; Provides Additional Handling Benefits
No rows match your filter.

Directly replaces or cross-references 9 part numbers

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.

MOOG Chassis Products — K64212673348267334914039483FB399FB400IK6421JBU890JBU1602