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OER 1980-91 Chevrolet, GMC Truck, Power Steering Gear Box, 4 Wheel Drive, 3 to 3.5 Turns P17524

OER 1980-91 Chevrolet, GMC Truck, Power Steering Gear Box, 4 Wheel Drive, 3 to 3.5 Turns P17524
OER 1980-91 Chevrolet, GMC Truck, Power Steering Gear Box, 4 Wheel Drive, 3 to 3.5 Turns P17524OER 1980-91 Chevrolet, GMC Truck, Power Steering Gear Box, 4 Wheel Drive, 3 to 3.5 Turns P17524OER 1980-91 Chevrolet, GMC Truck, Power Steering Gear Box, 4 Wheel Drive, 3 to 3.5 Turns P17524OER 1980-91 Chevrolet, GMC Truck, Power Steering Gear Box, 4 Wheel Drive, 3 to 3.5 Turns P17524OER 1980-91 Chevrolet, GMC Truck, Power Steering Gear Box, 4 Wheel Drive, 3 to 3.5 Turns P17524
$536.99 ea
NEWARRIVING SOONEstimated Ship Date 01/01/2026 (If Ordered Today)15 Available from OER as of 12/14/2025
Model: 4895064
Select a Vehicle or refer to the Vehicle Fitment Tab below to verify that this part fits your vehicle.
STANDARD
DELIVERY
STORE PICKUP
[More Info]

Replace a non working or worn out gear box with this quality reproduction power steering gear box. This steering box contains no remanufactured parts. It features an all new main casting, sector shaft, and internals. Every box 100% tested for leaks, function, and performance. Replace that worn steering box with a brand new unit and experience the difference in steering handling and performance. Replaces OE #'s 7846959, 19321369 or competitor #'s 1263, 27-7524.

Specifications: 503-0121
  • Metric o-ring type pressure and return ports
  • 4 bolt cover
  • 3 to 3-1/2 turns lock to lock
  • 3/4" input shaft
  • Input Shaft Diameter: 0.787 in (19.99 mm)
  • Input Shaft Spline Quantity: 25
  • Output Shaft Diameter: 1.25 in (31.75 mm)
  • Output Shaft Spline Quantity: 9
  • Mounting Hardware Included: No
  • Power Assisted: Yes
  • Pressure Port Thread Size: 18 × 1.5 (17.73 mm)
  • Return Port Thread Size: 16 × 1.5 (15.75 mm)
Additional Information
  • Important: The casting on this steering box may differ in appearance from the factory box but will fit and function the same or better than the original.
Chevrolet Truck Applications
  • 1987 - 1991 Chevrolet Blazer
  • 1980 - 1986 Chevrolet K10
  • 1980 - 1986 Chevrolet K10 Suburban
  • 1980 - 1986 Chevrolet K20
  • 1980 - 1986 Chevrolet K20 Suburban
  • 1980 - 1986 Chevrolet K30
  • 1980 - 1986 Chevrolet K5 Blazer
  • 1987 - 1987 Chevrolet R10
  • 1987 - 1988 Chevrolet R10 Suburban
  • 1989 - 1991 Chevrolet R1500 Suburban
  • 1987 - 1988 Chevrolet R20
  • 1987 - 1988 Chevrolet R20 Suburban
  • 1989 - 1989 Chevrolet R2500
  • 1989 - 1991 Chevrolet R2500 Suburban
  • 1987 - 1988 Chevrolet R30
  • 1989 - 1991 Chevrolet R3500
  • 1980 - 1991 Chevrolet Truck
GMC Truck Applications
  • 1980 - 1991 GMC Jimmy
  • 1980 - 1986 GMC K1500
  • 1980 - 1986 GMC K1500 Suburban
  • 1980 - 1985 GMC K2500
  • 1980 - 1986 GMC K2500 Suburban
  • 1980 - 1986 GMC K3500
  • 1980 - 1991 GMC Truck
  • 1987 - 1987 GMC V1500
  • 1987 - 1991 GMC V1500 Suburban
  • 1987 - 1987 GMC V2500
  • 1987 - 1991 GMC V2500 Suburban
  • 1987 - 1991 GMC V3500
About OER

OER® was established in the early 1980's to manufacture original equipment reproductions where every part is meticulously reproduced to exact factory specifications. All OER® parts are reverse engineered or manufactured using original blueprints when available to ensure the closest possible reproduction available on the market. When available, original factory tooling is utilized to insure complete originality. Our mission is to supply the highest quality parts available for the enthusiast and serious restorer. Whether you're a serious restorer, or just someone who wants a replacement part for your classic vehicle, OER® is the source for the finest quality parts on the market. Today, OER® is the most recognized brand in automotive restoration parts. Choose OER® for all your restoration needs.

Many OER® products are officially licensed by General Motors and the Chrysler Group ensuring the quality and authenticity of these products. The GM Restoration Parts logo and the MOPAR Authentic Restoration Product logo are the true signs of quality. OER® is licensed by GM and the Chrysler Group as an official restoration parts manufacturer.

Vehicle Fitment:

The Vehicle Fitment Guide is to be used as a general reference. The data has been provided by our suppliers and manufacturers and may contain errors or incorrect data. Always refer to a professional to verify correct fitment for your vehicle.
Make Model Years
Chevrolet Blazer 1987 - 1991
Chevrolet C10 Suburban 1980 - 1986
Chevrolet C10 1980 - 1986
Chevrolet C1500 1988 - 1991
Chevrolet C15 1982 - 1988
Chevrolet C20 Suburban 1980 - 1986
Chevrolet C20 1980 - 1987
Chevrolet C2500 1988 - 1991
Chevrolet C30 1980 - 1986
Chevrolet C3500 1988 - 1991
Chevrolet C35 1983 - 1991
Chevrolet K10 Suburban 1980 - 1986
Chevrolet K10 1980 - 1986
Chevrolet K1500 1988 - 1991
Chevrolet K20 Suburban 1980 - 1986
Chevrolet K20 1980 - 1986
Chevrolet K2500 1988 - 1991
Chevrolet K30 1980 - 1986
Chevrolet K3500 1988 - 1991
Chevrolet K5 Blazer 1980 - 1986
Chevrolet R10 Suburban 1987 - 1988
Chevrolet R10 1987
Chevrolet R1500 Suburban 1989 - 1991
Chevrolet R20 Suburban 1987 - 1988
Chevrolet R20 1987 - 1988
Chevrolet R2500 Suburban 1989 - 1991
Chevrolet R2500 1989
Chevrolet R30 1987 - 1988
Chevrolet R3500 1989 - 1991
Chevrolet S10 Blazer 1983 - 1991
Chevrolet S10 1982 - 1991
Chevrolet Suburban 1987 - 1991
Chevrolet Tracker 1989 - 1991
Chevrolet V10 Suburban 1987 - 1988
Chevrolet V10 1987
Chevrolet V1500 Suburban 1989 - 1991
Chevrolet V20 Suburban 1987 - 1988
Chevrolet V20 1987
Chevrolet V2500 Suburban 1989 - 1991
Chevrolet V30 1987 - 1988
Chevrolet V3500 1989 - 1991
GMC C1500 Suburban 1980 - 1986
GMC C1500 1980 - 1991
GMC C2500 Suburban 1980 - 1986
GMC C2500 1980 - 1991
GMC C3500 1980 - 1991
GMC Jimmy 1980 - 1991
GMC K1500 Suburban 1980 - 1986
GMC K1500 1980 - 1991
GMC K2500 Suburban 1980 - 1986
GMC K2500 1980 - 1991
GMC K3500 1980 - 1991
GMC R1500 Suburban 1987 - 1991
GMC R1500 1987
GMC R2500 Suburban 1987 - 1991
GMC R2500 1987 - 1989
GMC R3500 1987 - 1991
GMC S15 Jimmy 1983 - 1991
GMC S15 1982 - 1990
GMC Sonoma 1991
GMC Syclone 1991
GMC Tracker 1989 - 1991
GMC V1500 Suburban 1987 - 1991
GMC V1500 1987
GMC V2500 Suburban 1987 - 1991
GMC V2500 1987
GMC V3500 1987 - 1991

Specifications:

Height 15 in
Length 7 in
Weight 37 lbs
Width 11 in

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OER 1980-91 Chevrolet, GMC Truck, Power Steering Gear Box, 4 Wheel Drive, 3 to 3.5 Turns P17524: