Dorman 521-171 | Suspension Control Arm Shaft Kit

Part Number
Control Arm Shaft Kit

Fits: 1978-1984 Buick Electra, 1987-1989 Buick Electra, 1978-1983 Buick Estate Wagon, 1978-1985 Buick LeSabre, 1990-1990 Buick LeSabre, 1991-1996 Buick Roadmaster, 1980-1984 Cadillac Commercial Chassis, 1978-1984 Cadillac DeVille, 1978-1996 Cadillac Fleetwood, 1985-1986 Cadillac Fleetwood, 1987-1992 Cadillac Brougham, 1979-1996 Chevrolet Caprice, 1979-1996 Chevrolet Impala, 1978-1984 Oldsmobile 98, 1978-1992 Oldsmobile Custom Cruiser, 1978-1985 Oldsmobile Delta 88, 1979-1981 Pontiac Bonneville, 1979-1981 Pontiac Catalina, 1987-1989 Pontiac Safari, 1983-1986 Pontiac Parisienne

Fits: 78-84 Buick Electra, 78-83 Buick Estate Wagon, 78-85 Buick LeSabre, 78-84 Oldsmobile 98, 78-92 Oldsmobile Custom Cruiser, 79-96 Chevrolet Caprice, 79-85 Chevrolet Impala, 79-81 Pontiac Catalina, 90-96 Cadillac Fleetwood, 94-96 Chevrolet Impala, 91-96 Buick Roadmaster, 78-84 Cadillac DeVille, 78-86 Cadillac Fleetwood, 78-85 Oldsmobile Delta 88, 79-81 Pontiac Bonneville, 87-89 Buick Electra, 80-84 Cadillac Commercial Chassis, 90 Buick LeSabre, 83-86 Pontiac Parisienne, 87-92 Cadillac Brougham, 87-89 Pontiac Safari
Special Price $42.88 Regular Price $50.45
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Control Arm Shaft Kit

This suspension control arm shaft kit is precision-engineered and rigorously tested to provide reliable replacement for the original equipment on specific vehicles.


  • Direct replacement - fits and performs like the original equipment control arm shafts on specific vehicles
  • Reliable fit - precision-engineered to match the design and dimensions of original components
  • Durable construction - manufactured to strict standards using sturdy, safe materials
  • Rigorously tested - thorough quality control measures ensure longevity


Bushing Color:Black
Bushing Material:Steel
Bushing Material:Rubber
Bushings Included:No
Grade Type:Regular
Grease Fitting Included:No
Instruction Manual Included:No
Mounting Hardware Included:Yes
Package Contents:Control Arm Shaft Kit
Shaft Length:400
Shaft Material:Steel
Shaft Type:Standard


  • General Motors: 14022171
  • Mevotech Supreme: MS50937
  • MOOG Chassis Products: K6210
  • Mcquay-Norris: FA1387
  • SYD: K-6210
  • TRW: JRK1011
  • Delphi: TC6509
  • (Unknown): K6210


  • 1978-1983 Buick Estate Wagon        Position: Front Left Upper
  • 1978-1985 Buick LeSabre        Position: Front Left Upper
  • 1978-1984 Oldsmobile 98        Position: Front Left Upper
  • 1978-1992 Oldsmobile Custom Cruiser        Position: Front Left Upper
  • 1979-1996 Chevrolet Caprice        Position: Front Left Upper
  • 1979-1985 Chevrolet Impala        Position: Front Left Upper
  • 1979-1981 Pontiac Bonneville        Position: Front Left Upper
  • 1979-1981 Pontiac Catalina        Position: Front Left Upper
  • 1987-1989 Buick Electra        Position: Front Left Upper
  • 1990-1996 Cadillac Fleetwood        Position: Front Left Upper
  • 1994-1996 Chevrolet Impala        Position: Front Left Upper
  • 1991-1996 Buick Roadmaster        Position: Front Left Upper
  • 1978-1984 Buick Electra        Position: Front Left Upper
  • 1978-1984 Cadillac DeVille        Position: Front Left Upper
  • 1978-1986 Cadillac Fleetwood        Position: Front Left Upper
  • 1978-1985 Oldsmobile Delta 88        Position: Front Left Upper
  • 1980-1984 Cadillac Commercial Chassis        Position: Front Left Upper
  • 1990 Buick LeSabre        Position: Front Left Upper
  • 1983-1986 Pontiac Parisienne        Position: Front Left Upper
  • 1987-1992 Cadillac Brougham        Position: Front Left Upper
  • 1987-1989 Pontiac Safari        Position: Front Left Upper

Customer Questions
Can I use Dorman parts to replace OEM parts?
Yes, Dorman parts can often be used as replacements for OEM parts, but it is important to carefully compare specifications and ensure compatibility.
How do I install Dorman shift linkage bushing?
To install a Dorman shift linkage bushing, first locate the old bushing and remove it if necessary. Apply lubricant to the Dorman bushing and slide it onto the shift linkage, tapping it into place with a soft tool until fully seated. Check the alignment and function of the shift linkage after installation.
Where is Dorman manufactured?
Dorman is a global automotive parts supplier with manufacturing facilities in the United States, Mexico, Canada, China, and India. Its headquarters and largest manufacturing facility are located in Colmar, Pennsylvania, USA.
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