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OER 1967-86 Chevy, GMC Pickup Truck, Steering Gear Box, Manual Steering, 2 Wheel Drive, 24:1 Ratio, 6 Turns Lock-to-Lock, 781598A

OER 1967-86 Chevy, GMC Pickup Truck, Steering Gear Box, Manual Steering, 2 Wheel Drive, 24:1 Ratio, 6 Turns Lock-to-Lock, 781598A
OER 1967-86 Chevy, GMC Pickup Truck, Steering Gear Box, Manual Steering, 2 Wheel Drive, 24:1 Ratio, 6 Turns Lock-to-Lock, 781598A
$459.99 ea
NEWARRIVING SOONEstimated Ship Date 01/02/2026 (If Ordered Today)26 Available from OER as of 12/16/2025
Model: 3963663
Select a Vehicle or refer to the Vehicle Fitment Tab below to verify that this part fits your vehicle.
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Replace your worn or leaking steering gear box with this all-new, high-quality replacement manufactured using brand new tooling for long-lasting performance. Designed to replace the original GM gear box with casting number 5698180, this unit fits many 1967-86 GM 2-wheel drive pickup and light truck models. It can also replace Dodge part number 3496910, although the alignment flat may not be in the exact same position. Features a 24:1 ratio for approximately 6 turns lock-to-lock, providing smooth and consistent steering control. The casting may differ slightly in appearance from the factory unit but fits and functions the same or better than the original.

Features and Benefits:
  • All-new manual steering gear box manufactured with brand new tooling
  • Replaces GM casting number 5698180 and Dodge 3496910 applications
  • 24:1 ratio provides approximately 6 turns lock-to-lock for classic steering feel
  • Durable cast iron housing ensures long service life and reliability
  • Type: Manual steering gear box
  • Ratio: 24:1
  • Turns lock-to-lock: Approximately 6
  • Input Shaft: 0.732 inch diameter, 30 splines with milled flat for coupling alignment
  • Gear Rotation: Clockwise-clockwise
  • Material: Cast iron housing
Chevrolet Truck Applications
  • 1975 - 1986 Chevrolet C10
  • 1967 - 1974 Chevrolet C10 Pickup
  • 1982 - 1984 Chevrolet C15
  • 1975 - 1986 Chevrolet C20
  • 1967 - 1974 Chevrolet C20 Pickup
  • 1975 - 1986 Chevrolet C30
  • 1967 - 1974 Chevrolet C30 Pickup
  • 1967 - 1986 Chevrolet Truck
GMC Truck Applications
  • 1975 - 1978 GMC C15
  • 1967 - 1974 GMC C15/C1500 Pickup
  • 1979 - 1986 GMC C1500
  • 1975 - 1978 GMC C25
  • 1967 - 1974 GMC C25/C2500 Pickup
  • 1979 - 1986 GMC C2500
  • 1975 - 1978 GMC C35
  • 1967 - 1974 GMC C35/C3500 Pickup
  • 1979 - 1986 GMC C3500
  • 1967 - 1986 GMC Truck
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 1969 - 1974
Chevrolet C10 Panel 1967
Chevrolet C10 Pickup 1967 - 1974
Chevrolet C10 Suburban 1967 - 1986
Chevrolet C10 1975 - 1986
Chevrolet C15 1982 - 1986
Chevrolet C20 Panel 1967
Chevrolet C20 Pickup 1967 - 1974
Chevrolet C20 Suburban 1967 - 1986
Chevrolet C20 1975 - 1986
Chevrolet C30 Pickup 1967 - 1974
Chevrolet C30 1975 - 1986
Chevrolet C35 1983 - 1986
Chevrolet K10 Pickup 1967 - 1974
Chevrolet K10 Suburban 1967 - 1986
Chevrolet K10 1975 - 1986
Chevrolet K20 Panel 1967
Chevrolet K20 Pickup 1967 - 1974
Chevrolet K20 Suburban 1967 - 1986
Chevrolet K20 1975 - 1986
Chevrolet K30 Pickup 1968 - 1974
Chevrolet K30 1977 - 1986
Chevrolet K5 Blazer 1975 - 1986
Chevrolet P10 Series 1967
Chevrolet P20 Series 1967
Chevrolet P30 Series 1967
Chevrolet S10 Blazer 1983 - 1986
Chevrolet S10 1982 - 1986
GMC C15 Suburban 1975 - 1978
GMC C15/C1500 Pickup 1967 - 1974
GMC C15/C1500 Suburban 1967 - 1974
GMC C1500 Suburban 1979 - 1986
GMC C1500 1979 - 1986
GMC C15 1975 - 1978
GMC C25 Suburban 1975 - 1978
GMC C25/C2500 Pickup 1967 - 1974
GMC C25/C2500 Suburban 1967 - 1974
GMC C2500 Suburban 1979 - 1986
GMC C2500 1979 - 1986
GMC C25 1975 - 1978
GMC C35/C3500 Pickup 1967 - 1974
GMC C3500 1979 - 1986
GMC C35 1975 - 1978
GMC Jimmy 1970 - 1986
GMC K15 Suburban 1975 - 1978
GMC K15/K1500 Pickup 1967 - 1974
GMC K15/K1500 Suburban 1967 - 1974
GMC K1500 Suburban 1979 - 1986
GMC K1500 1979 - 1986
GMC K15 1975 - 1978
GMC K25 Suburban 1975 - 1978
GMC K25/K2500 Pickup 1967 - 1974
GMC K25/K2500 Suburban 1967 - 1974
GMC K2500 Suburban 1979 - 1986
GMC K2500 1979 - 1986
GMC K25 1975 - 1978
GMC K35/K3500 Pickup 1968 - 1974
GMC K3500 1979 - 1986
GMC K35 1977 - 1978
GMC L3500 1967
GMC LI3500 1967
GMC S15 Jimmy 1983 - 1986
GMC S15 1982 - 1986
GMC Transmode 1973 - 1974

Specifications:

Height 13 in
Length 8 in
Weight 20 lbs
Width 10 in

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OER 1967-86 Chevy, GMC Pickup Truck, Steering Gear Box, Manual Steering, 2 Wheel Drive, 24:1 Ratio, 6 Turns Lock-to-Lock, 781598A: