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  2. Auto Parts
  3. Steering
  4. Steering, Gear and Related Components
  5. Steering Idler Arm
  6. Dorman 531-478

Dorman 531-478 Steering Idler Arm

Dorman 531-478 Steering Idler Arm Image 1
Dorman 531-478 Steering Idler Arm Image 2
Dorman 531-478 Steering Idler Arm

Dorman
Brand:Dorman
Part Number: 531-478
UPC: 30885484530622
Weight: 3.34 lbs
Condition:New



On Sale:

$40.89

Availability:
28 in Stock
Warehouse: US-19
Quantity:

Product Information

Description:

Get the Dorman 531-478 Steering Idler Arm for your vehicle. Buy now and secure your purchase online!

This steering idler arm is precision-engineered and rigorously tested to provide reliable replacement components for the original part on specific vehicles.

Features and Benefits:

  • Direct replacement - this steering idler arm has been reverse-engineered to match the fit and function of the stock part on specific vehicles
  • Durable construction - manufactured to strict standards using sturdy, safe materials
  • Reliable fit - precision-engineered to match the design and dimensions of the original part
  • Rigorously tested - thorough quality control measures ensure longevity

Specifications:

Arm Attachment Type:
Taper
Arm Stud Thread Diameter:
0.625 in.
Bracket Hole Quantity:
0
Bracket Included:
No
Bracket Stud Thread Diameter:
0.625 in.
Castle Nut Included:
Yes
Color:
Black
Cotter Pin Included:
Yes
Finish:
Coated
Grade Type:
Regular
Grease Fitting Included:
Yes
Greaseable:
Yes
Length:
137 mm
Material:
Steel
Mounting Hardware Included:
Yes
Package Contents:
Castle Nut
Package Contents:
Cotter Pin
Package Contents:
Idler Arm
Package Contents:
Nut
Package Contents:
Zerk Fitting
Pre-Greased:
No
Shape:
Straight
General Motors #:
26059504
Mevotech Original Grade #:
GK6247T
Country of Origin:
CN

Select a vehicle to narrow Dorman 531-478 Steering Idler Arm fitment info!

Last Updated: 09/23/2024

Years Vehicle Per Vehicle Position Fit NotesFitment Notes

1986

 

1985

 

1986

 

1985

 
Chevrolet C10

4.3L V6 Gas OHV
1
 
Front
 		 

Chevrolet C10



4.3L V6 Gas OHV

Front
1 Per Vehicle

1986

 

1985

 

1984

 

1983

 

1986

 

1985

 

1984

 

1983

 
Chevrolet C10

5.0L V8 Gas OHV,
5.7L V8 Gas OHV,
6.2L V8 Diesel OHV
1
 
Front
 		 

Chevrolet C10



5.0L V8 Gas OHV,
5.7L V8 Gas OHV,
6.2L V8 Diesel OHV

Front
1 Per Vehicle

1984

 

1983

 

1984

 

1983

 
Chevrolet C10

4.1L L6 Gas OHV
1
 
Front
 		 

Chevrolet C10



4.1L L6 Gas OHV

Front
1 Per Vehicle

1986

 

1985

 

1984

 

1983

 

1986

 

1985

 

1984

 

1983

 
Chevrolet C10 Suburban

5.0L V8 Gas OHV,
5.7L V8 Gas OHV,
6.2L V8 Diesel OHV
1
 
Front
 		 

Chevrolet C10 Suburban



5.0L V8 Gas OHV,
5.7L V8 Gas OHV,
6.2L V8 Diesel OHV

Front
1 Per Vehicle

1986

 

1985

 

1986

 

1985

 
Chevrolet C20

4.3L V6 Gas OHV
1
 
Front
 		 

Chevrolet C20



4.3L V6 Gas OHV

Front
1 Per Vehicle

1986

 

1985

 

1984

 

1983

 

1986

 

1985

 

1984

 

1983

 
Chevrolet C20

4.8L L6 Gas OHV,
5.0L V8 Gas OHV,
5.7L V8 Gas OHV,
6.2L V8 Diesel OHV,
7.4L V8 Gas OHV
1
 
Front
 		 

Chevrolet C20



4.8L L6 Gas OHV,
5.0L V8 Gas OHV,
5.7L V8 Gas OHV,
6.2L V8 Diesel OHV,
7.4L V8 Gas OHV

Front
1 Per Vehicle

1984

 

1983

 

1984

 

1983

 
Chevrolet C20

4.1L L6 Gas OHV
1
 
Front
 		 

Chevrolet C20



4.1L L6 Gas OHV

Front
1 Per Vehicle

1986

 

1985

 

1984

 

1983

 

1986

 

1985

 

1984

 

1983

 
Chevrolet C20 Suburban

5.0L V8 Gas OHV,
5.7L V8 Gas OHV,
6.2L V8 Diesel OHV,
7.4L V8 Gas OHV
1
 
Front
 		 

Chevrolet C20 Suburban



5.0L V8 Gas OHV,
5.7L V8 Gas OHV,
6.2L V8 Diesel OHV,
7.4L V8 Gas OHV

Front
1 Per Vehicle

1986

 

1985

 

1984

 

1983

 

1986

 

1985

 

1984

 

1983

 
Chevrolet C30

4.8L L6 Gas OHV,
5.7L V8 Gas OHV,
6.2L V8 Diesel OHV,
7.4L V8 Gas OHV
1
 
Front
 		 

Chevrolet C30



4.8L L6 Gas OHV,
5.7L V8 Gas OHV,
6.2L V8 Diesel OHV,
7.4L V8 Gas OHV

Front
1 Per Vehicle

1984

 

1983

 

1984

 

1983

 
Chevrolet K5 Blazer

5.0L V8 Gas OHV,
5.7L V8 Gas OHV,
6.2L V8 Diesel OHV
1
 
Front
 
RWD
 

Chevrolet K5 Blazer



5.0L V8 Gas OHV,
5.7L V8 Gas OHV,
6.2L V8 Diesel OHV

Front RWD

1 Per Vehicle

1989

 

1988

 

1987

 

1986

 

1985

 

1984

 

1983

 

1989

 

1988

 

1987

 

1986

 

1985

 

1984

 

1983

 
Chevrolet P20

4.8L L6 Gas OHV,
5.7L V8 Gas OHV,
6.2L V8 Diesel OHV
1
 
Front
 		 

Chevrolet P20



4.8L L6 Gas OHV,
5.7L V8 Gas OHV,
6.2L V8 Diesel OHV

Front
1 Per Vehicle

1999

 

1998

 

1997

 

1996

 

1995

 

1994

 

1999

 

1998

 

1997

 

1996

 

1995

 

1994

 
Chevrolet P30

6.5L V8 Diesel OHV,
6.5L V8 Diesel OHV Turbo
1
 
Front
 		 

Chevrolet P30



6.5L V8 Diesel OHV,
6.5L V8 Diesel OHV Turbo

Front
1 Per Vehicle

1999

 

1998

 

1997

 

1996

 

1995

 

1994

 

1993

 

1992

 

1991

 

1990

 

1999

 

1998

 

1997

 

1996

 

1995

 

1994

 

1993

 

1992

 

1991

 

1990

 
Chevrolet P30

4.3L V6 Gas OHV
1
 
Front
 		 

Chevrolet P30



4.3L V6 Gas OHV

Front
1 Per Vehicle

1999

 

1998

 

1997

 

1996

 

1995

 

1994

 

1993

 

1992

 

1991

 

1990

 

1989

 

1988

 

1987

 

1986

 

1985

 

1984

 

1983

 

1999

 

1998

 

1997

 

1996

 

1995

 

1994

 

1993

 

1992

 

1991

 

1990

 

1989

 

1988

 

1987

 

1986

 

1985

 

1984

 

1983

 
Chevrolet P30

5.7L V8 Gas OHV,
7.4L V8 Gas OHV
1
 
Front
 		 

Chevrolet P30



5.7L V8 Gas OHV,
7.4L V8 Gas OHV

Front
1 Per Vehicle

1993

 

1992

 

1991

 

1990

 

1989

 

1988

 

1987

 

1986

 

1985

 

1984

 

1983

 

1993

 

1992

 

1991

 

1990

 

1989

 

1988

 

1987

 

1986

 

1985

 

1984

 

1983

 
Chevrolet P30

6.2L V8 Diesel OHV
1
 
Front
 		 

Chevrolet P30



6.2L V8 Diesel OHV

Front
1 Per Vehicle

1991

 

1990

 

1991

 

1990

 
Chevrolet P30

3.9L L4 Diesel OHV Turbo
1
 
Front
 		 

Chevrolet P30



3.9L L4 Diesel OHV Turbo

Front
1 Per Vehicle

1989

 

1988

 

1987

 

1986

 

1985

 

1984

 

1983

 

1989

 

1988

 

1987

 

1986

 

1985

 

1984

 

1983

 
Chevrolet P30

4.8L L6 Gas OHV
1
 
Front
 		 

Chevrolet P30



4.8L L6 Gas OHV

Front
1 Per Vehicle

1987

 

1987

 
Chevrolet R10

4.3L V6 Gas OHV,
5.0L V8 Gas OHV,
5.7L V8 Gas OHV,
6.2L V8 Diesel OHV
1
 
Front
 		 

Chevrolet R10



4.3L V6 Gas OHV,
5.0L V8 Gas OHV,
5.7L V8 Gas OHV,
6.2L V8 Diesel OHV

Front
1 Per Vehicle

1988

 

1987

 

1988

 

1987

 
Chevrolet R10 Suburban

5.7L V8 Gas OHV,
6.2L V8 Diesel OHV
1
 
Front
 		 

Chevrolet R10 Suburban



5.7L V8 Gas OHV,
6.2L V8 Diesel OHV

Front
1 Per Vehicle

1987

 

1987

 
Chevrolet R10 Suburban

5.0L V8 Gas OHV
1
 
Front
 		 

Chevrolet R10 Suburban



5.0L V8 Gas OHV

Front
1 Per Vehicle

1991

 

1990

 

1989

 

1991

 

1990

 

1989

 
Chevrolet R1500 Suburban

5.7L V8 Gas OHV,
6.2L V8 Diesel OHV
1
 
Front
 		 

Chevrolet R1500 Suburban



5.7L V8 Gas OHV,
6.2L V8 Diesel OHV

Front
1 Per Vehicle

1988

 

1987

 

1988

 

1987

 
Chevrolet R20

4.3L V6 Gas OHV,
4.8L L6 Gas OHV,
5.0L V8 Gas OHV,
5.7L V8 Gas OHV,
6.2L V8 Diesel OHV,
7.4L V8 Gas OHV
1
 
Front
 		 

Chevrolet R20



4.3L V6 Gas OHV,
4.8L L6 Gas OHV,
5.0L V8 Gas OHV,
5.7L V8 Gas OHV,
6.2L V8 Diesel OHV,
7.4L V8 Gas OHV

Front
1 Per Vehicle

1988

 

1987

 

1988

 

1987

 
Chevrolet R20 Suburban

5.7L V8 Gas OHV,
6.2L V8 Diesel OHV,
7.4L V8 Gas OHV
1
 
Front
 		 

Chevrolet R20 Suburban



5.7L V8 Gas OHV,
6.2L V8 Diesel OHV,
7.4L V8 Gas OHV

Front
1 Per Vehicle

1989

 

1989

 
Chevrolet R2500

5.7L V8 Gas OHV,
6.2L V8 Diesel OHV,
7.4L V8 Gas OHV
1
 
Front
 		 

Chevrolet R2500



5.7L V8 Gas OHV,
6.2L V8 Diesel OHV,
7.4L V8 Gas OHV

Front
1 Per Vehicle

1991

 

1990

 

1989

 

1991

 

1990

 

1989

 
Chevrolet R2500 Suburban

5.7L V8 Gas OHV,
6.2L V8 Diesel OHV,
7.4L V8 Gas OHV
1
 
Front
 		 

Chevrolet R2500 Suburban



5.7L V8 Gas OHV,
6.2L V8 Diesel OHV,
7.4L V8 Gas OHV

Front
1 Per Vehicle

1988

 

1987

 

1988

 

1987

 
Chevrolet R30

4.8L L6 Gas OHV,
5.7L V8 Gas OHV,
6.2L V8 Diesel OHV,
7.4L V8 Gas OHV
1
 
Front
 		 

Chevrolet R30



4.8L L6 Gas OHV,
5.7L V8 Gas OHV,
6.2L V8 Diesel OHV,
7.4L V8 Gas OHV

Front
1 Per Vehicle

1989

 

1989

 
Chevrolet R3500

5.7L V8 Gas OHV,
6.2L V8 Diesel OHV,
7.4L V8 Gas OHV
1
 
Front
 		 

Chevrolet R3500



5.7L V8 Gas OHV,
6.2L V8 Diesel OHV,
7.4L V8 Gas OHV

Front
1 Per Vehicle

1986

 

1985

 

1986

 

1985

 
GMC C1500

4.3L V6 Gas OHV
1
 
Front
 		 

GMC C1500



4.3L V6 Gas OHV

Front
1 Per Vehicle

1986

 

1985

 

1984

 

1983

 

1986

 

1985

 

1984

 

1983

 
GMC C1500

5.0L V8 Gas OHV,
5.7L V8 Gas OHV,
6.2L V8 Diesel OHV
1
 
Front
 		 

GMC C1500



5.0L V8 Gas OHV,
5.7L V8 Gas OHV,
6.2L V8 Diesel OHV

Front
1 Per Vehicle

1984

 

1983

 

1984

 

1983

 
GMC C1500

4.1L L6 Gas OHV
1
 
Front
 		 

GMC C1500



4.1L L6 Gas OHV

Front
1 Per Vehicle

1986

 

1985

 

1984

 

1983

 

1986

 

1985

 

1984

 

1983

 
GMC C1500 Suburban

5.0L V8 Gas OHV,
5.7L V8 Gas OHV,
6.2L V8 Diesel OHV
1
 
Front
 		 

GMC C1500 Suburban



5.0L V8 Gas OHV,
5.7L V8 Gas OHV,
6.2L V8 Diesel OHV

Front
1 Per Vehicle

1986

 

1985

 

1986

 

1985

 
GMC C2500

4.3L V6 Gas OHV
1
 
Front
 		 

GMC C2500



4.3L V6 Gas OHV

Front
1 Per Vehicle

1986

 

1985

 

1984

 

1983

 

1986

 

1985

 

1984

 

1983

 
GMC C2500

4.8L L6 Gas OHV,
5.0L V8 Gas OHV,
5.7L V8 Gas OHV,
6.2L V8 Diesel OHV,
7.4L V8 Gas OHV
1
 
Front
 		 

GMC C2500



4.8L L6 Gas OHV,
5.0L V8 Gas OHV,
5.7L V8 Gas OHV,
6.2L V8 Diesel OHV,
7.4L V8 Gas OHV

Front
1 Per Vehicle

1984

 

1983

 

1984

 

1983

 
GMC C2500

4.1L L6 Gas OHV
1
 
Front
 		 

GMC C2500



4.1L L6 Gas OHV

Front
1 Per Vehicle

1986

 

1985

 

1984

 

1983

 

1986

 

1985

 

1984

 

1983

 
GMC C2500 Suburban

5.0L V8 Gas OHV,
5.7L V8 Gas OHV,
6.2L V8 Diesel OHV,
7.4L V8 Gas OHV
1
 
Front
 		 

GMC C2500 Suburban



5.0L V8 Gas OHV,
5.7L V8 Gas OHV,
6.2L V8 Diesel OHV,
7.4L V8 Gas OHV

Front
1 Per Vehicle

1984

 

1984

 
GMC C2500 Suburban

4.8L L6 Gas OHV
1
 
Front
 		 

GMC C2500 Suburban



4.8L L6 Gas OHV

Front
1 Per Vehicle

1986

 

1986

 
GMC C3500

5.0L V8 Gas OHV
1
 
Front
 		 

GMC C3500



5.0L V8 Gas OHV

Front
1 Per Vehicle

1986

 

1985

 

1984

 

1983

 

1986

 

1985

 

1984

 

1983

 
GMC C3500

4.8L L6 Gas OHV,
5.7L V8 Gas OHV,
6.2L V8 Diesel OHV,
7.4L V8 Gas OHV
1
 
Front
 		 

GMC C3500



4.8L L6 Gas OHV,
5.7L V8 Gas OHV,
6.2L V8 Diesel OHV,
7.4L V8 Gas OHV

Front
1 Per Vehicle

1984

 

1983

 

1984

 

1983

 
GMC Jimmy

5.0L V8 Gas OHV,
5.7L V8 Gas OHV,
6.2L V8 Diesel OHV
1
 
Front
 
RWD
 

GMC Jimmy



5.0L V8 Gas OHV,
5.7L V8 Gas OHV,
6.2L V8 Diesel OHV

Front RWD

1 Per Vehicle

1989

 

1989

 
GMC P2500

4.8L L6 Gas OHV
1
 
Front
 		 

GMC P2500



4.8L L6 Gas OHV

Front
1 Per Vehicle

1989

 

1988

 

1987

 

1986

 

1985

 

1984

 

1983

 

1989

 

1988

 

1987

 

1986

 

1985

 

1984

 

1983

 
GMC P2500

5.7L V8 Gas OHV,
6.2L V8 Diesel OHV
1
 
Front
 		 

GMC P2500



5.7L V8 Gas OHV,
6.2L V8 Diesel OHV

Front
1 Per Vehicle

1987

 

1986

 

1985

 

1984

 

1983

 

1987

 

1986

 

1985

 

1984

 

1983

 
GMC P2500

4.8L L6 Gas OHV
1
 
Front
 		 

GMC P2500



4.8L L6 Gas OHV

Front
1 Per Vehicle

1999

 

1998

 

1997

 

1999

 

1998

 

1997

 
GMC P3500

6.5L V8 Diesel OHV Turbo
1
 
Front
 		 

GMC P3500



6.5L V8 Diesel OHV Turbo

Front
1 Per Vehicle

1999

 

1998

 

1997

 

1996

 

1995

 

1994

 

1999

 

1998

 

1997

 

1996

 

1995

 

1994

 
GMC P3500

6.5L V8 Diesel OHV
1
 
Front
 		 

GMC P3500



6.5L V8 Diesel OHV

Front
1 Per Vehicle

1999

 

1998

 

1997

 

1996

 

1995

 

1994

 

1993

 

1992

 

1991

 

1990

 

1999

 

1998

 

1997

 

1996

 

1995

 

1994

 

1993

 

1992

 

1991

 

1990

 
GMC P3500

4.3L V6 Gas OHV
1
 
Front
 		 

GMC P3500



4.3L V6 Gas OHV

Front
1 Per Vehicle

1999

 

1998

 

1997

 

1996

 

1995

 

1994

 

1993

 

1992

 

1991

 

1990

 

1989

 

1988

 

1987

 

1986

 

1985

 

1984

 

1983

 

1999

 

1998

 

1997

 

1996

 

1995

 

1994

 

1993

 

1992

 

1991

 

1990

 

1989

 

1988

 

1987

 

1986

 

1985

 

1984

 

1983

 
GMC P3500

5.7L V8 Gas OHV,
7.4L V8 Gas OHV
1
 
Front
 		 

GMC P3500



5.7L V8 Gas OHV,
7.4L V8 Gas OHV

Front
1 Per Vehicle

1993

 

1992

 

1991

 

1990

 

1989

 

1988

 

1987

 

1986

 

1985

 

1984

 

1983

 

1993

 

1992

 

1991

 

1990

 

1989

 

1988

 

1987

 

1986

 

1985

 

1984

 

1983

 
GMC P3500

6.2L V8 Diesel OHV
1
 
Front
 		 

GMC P3500



6.2L V8 Diesel OHV

Front
1 Per Vehicle

1991

 

1990

 

1991

 

1990

 
GMC P3500

3.9L L4 Diesel OHV Turbo
1
 
Front
 		 

GMC P3500



3.9L L4 Diesel OHV Turbo

Front
1 Per Vehicle

1989

 

1988

 

1987

 

1986

 

1985

 

1984

 

1983

 

1989

 

1988

 

1987

 

1986

 

1985

 

1984

 

1983

 
GMC P3500

4.8L L6 Gas OHV
1
 
Front
 		 

GMC P3500



4.8L L6 Gas OHV

Front
1 Per Vehicle

1987

 

1987

 
GMC R1500

4.3L V6 Gas OHV,
5.0L V8 Gas OHV,
5.7L V8 Gas OHV,
6.2L V8 Diesel OHV
1
 
Front
 		 

GMC R1500



4.3L V6 Gas OHV,
5.0L V8 Gas OHV,
5.7L V8 Gas OHV,
6.2L V8 Diesel OHV

Front
1 Per Vehicle

1991

 

1990

 

1989

 

1988

 

1987

 

1991

 

1990

 

1989

 

1988

 

1987

 
GMC R1500 Suburban

5.7L V8 Gas OHV,
6.2L V8 Diesel OHV
1
 
Front
 		 

GMC R1500 Suburban



5.7L V8 Gas OHV,
6.2L V8 Diesel OHV

Front
1 Per Vehicle

1987

 

1987

 
GMC R1500 Suburban

5.0L V8 Gas OHV
1
 
Front
 		 

GMC R1500 Suburban



5.0L V8 Gas OHV

Front
1 Per Vehicle

1989

 

1988

 

1987

 

1989

 

1988

 

1987

 
GMC R2500

5.7L V8 Gas OHV,
6.2L V8 Diesel OHV,
7.4L V8 Gas OHV
1
 
Front
 		 

GMC R2500



5.7L V8 Gas OHV,
6.2L V8 Diesel OHV,
7.4L V8 Gas OHV

Front
1 Per Vehicle

1988

 

1987

 

1988

 

1987

 
GMC R2500

4.8L L6 Gas OHV
1
 
Front
 		 

GMC R2500



4.8L L6 Gas OHV

Front
1 Per Vehicle

1987

 

1987

 
GMC R2500

4.3L V6 Gas OHV,
5.0L V8 Gas OHV
1
 
Front
 		 

GMC R2500



4.3L V6 Gas OHV,
5.0L V8 Gas OHV

Front
1 Per Vehicle

1991

 

1990

 

1989

 

1988

 

1987

 

1991

 

1990

 

1989

 

1988

 

1987

 
GMC R2500 Suburban

5.7L V8 Gas OHV,
6.2L V8 Diesel OHV,
7.4L V8 Gas OHV
1
 
Front
 		 

GMC R2500 Suburban



5.7L V8 Gas OHV,
6.2L V8 Diesel OHV,
7.4L V8 Gas OHV

Front
1 Per Vehicle

1989

 

1988

 

1987

 

1989

 

1988

 

1987

 
GMC R3500

5.7L V8 Gas OHV,
6.2L V8 Diesel OHV,
7.4L V8 Gas OHV
1
 
Front
 		 

GMC R3500



5.7L V8 Gas OHV,
6.2L V8 Diesel OHV,
7.4L V8 Gas OHV

Front
1 Per Vehicle

1988

 

1987

 

1988

 

1987

 
GMC R3500

4.8L L6 Gas OHV
1
 
Front
 		 

GMC R3500



4.8L L6 Gas OHV

Front
1 Per Vehicle