Important Update on US Tariffs and Pricing DETAILS ]

855.444.6872 Contact Us Mon-Sat 10a-6p
DRIVEN BY CARE

OER 1977-79 AMC, GM, Power Steering Gear Box, Standard Ratio, Brand New Unit P18507N

OER 1977-79 AMC, GM, Power Steering Gear Box, Standard Ratio, Brand New Unit P18507N
$494.99 ea
NEWARRIVING SOONEstimated Ship Date 07/03/2025 (If Ordered Today)42 Available from OER as of 06/12/2025
Model: 5032022
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 replacement 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.

Specifications: 27-6507
  • Inlet Port Thread Diameter: 11/16"-18
  • Input Shaft Diameter (IN): 0.75 Inch
  • Manual Or Power: Power
  • Mounting Hole Quantity: 3
  • Outlet Port Thread Diameter: 5/8"-18
  • Output Shaft Diameter (IN): 1.25 Inch
  • Total Turns Lock To Lock: 4-1/2
Additional Information
    Fitment Note
    • The 3/4-30 input shaft may require a smaller rag joint depending on application.
    • This box may differ in appearance to the stock box but will function the same
    AMC Applications:
    • 1978-79 AMX
    • 1978-79 Concord
    • 1977-78 Gremlin
    • 1977 Hornet
    • 1977 Matador - All Engine From Date Code # 6A203
    • 1978 Matador
    Buick Applications:
    • 1978-79 Century with Square (4 Bolt) Housing Cover
    • 1977 Century
    • 1977-79 Electra
    • 1977-79 Estate Wagon
    • 1977-79 LeSabre
    • 1978-79 Regal with Square (4 Bolt) Housing Cover
    • 1977 Regal
    • 1977-79 Riviera
    • 1977-79 Skyhawk with Square (4 Bolt) Housing Cover
    • 1978-79 Skylark with Square (4 Bolt) Housing Cover
    • 1977 Skylark
    Cadillac Applications:
    • 1977-79 Commercial Chassis
    • 1977 -79 DeVille
    • 1977-79 Eldorado
    • 1977-79 Fleetwood
    • 1977-79 Seville
    Chevrolet Passenger Car Applications:
    • 1977-79 Camaro
    • 1977-79 Caprice
    • 1977-79 Impala
    • 1977 Malibu
    • 1978-79 Malibu with Square (4 Bolt) Housing Cover
    • 1977 Monte Carlo
    • 1978-79 Monte Carlo with Square (4 Bolt) Housing Cover
    • 1977-79 Monza with Square (4 Bolt) Housing Cover
    • 1977-79 Nova
    • 1976-77 Vega with Square (4 Bolt) Housing Cover
    Chevrolet Truck Applications:
    • 1977 El Camino
    • 1978-79 El Camino with Square (4 Bolt) Housing Cover
    GMC Truck Applications:
    • 1977 Sprint
    • 1978-79 Caballero with Square (4 Bolt) Housing Cover
    Oldsmobile Applications:
    • 1977-79 Custom Cruiser
    • 1977 Cutlass
    • 1978-79 Cutlass with Square (4 Bolt) Housing Cover
    • 1977 Cutlass Supreme
    • 1978-79 Cutlass Supreme with Square (4 Bolt) Housing Cover
    • 1977-79 Delta 88
    • 1977-79 Ninety Eight
    • 1977 Omega
    • 1978-79 Omega with Square (4 Bolt) Housing Cover
    • 1977-79 Starfire with Square (4 Bolt) Housing Cover
    • 1979 Toronado
    • 1977 Vista Cruiser
    Pontiac Applications:
    • 1976-77 Astre with Square (4 Bolt) Housing Cover
    • 1977-79 Bonneville
    • 1977-79 Catalina
    • 1977-79 Firebird
    • 1978-79 Grand Am with Square (4 Bolt) Housing Cover
    • 1977 Grand Prix
    • 1978-79 Grand Prix with Square (4 Bolt) Housing Cover
    • 1977-78 Grand Safari
    • 1977 LeMans
    • 1978-79 LeMans with Square (4 Bolt) Housing Cover
    • 1977-79 Phoenix
    • 1977-79 Safari
    • 1977-79 Sunbird with Square (4 Bolt) Housing Cover
    • 1977 Ventura
    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
    Buick Century 1977 - 1979
    Buick Electra 1977 - 1979
    Buick Estate Wagon 1977 - 1979
    Buick LeSabre 1978 - 1979
    Buick Regal 1977 - 1979
    Buick Riviera 1977 - 1979
    Buick Skyhawk 1977 - 1979
    Buick Skylark 1977 - 1979
    Cadillac Commercial Chassis 1977 - 1979
    Cadillac DeVille 1977 - 1979
    Cadillac Eldorado 1977 - 1979
    Cadillac Fleetwood 1977 - 1979
    Cadillac Seville 1977 - 1979
    Chevrolet Camaro 1977 - 1979
    Chevrolet Caprice 1977 - 1979
    Chevrolet El Camino 1977 - 1979
    Chevrolet Impala 1977 - 1979
    Chevrolet Malibu 1977 - 1979
    Chevrolet Monte Carlo 1977 - 1979
    Chevrolet Monza 1977 - 1979
    Chevrolet Nova 1977 - 1979
    Chevrolet Vega 1976 - 1977
    GMC Caballero 1978 - 1979
    GMC Sprint 1977
    Oldsmobile 98 1977 - 1979
    Oldsmobile Custom Cruiser 1977 - 1979
    Oldsmobile Cutlass Calais 1978 - 1979
    Oldsmobile Cutlass Salon 1977 - 1979
    Oldsmobile Cutlass Supreme 1977 - 1979
    Oldsmobile Cutlass 1977 - 1979
    Oldsmobile Delta 88 1977 - 1979
    Oldsmobile Omega 1977 - 1979
    Oldsmobile Starfire 1977 - 1979
    Oldsmobile Toronado 1979
    Pontiac Astre 1976 - 1977
    Pontiac Bonneville 1977 - 1979
    Pontiac Catalina 1977 - 1979
    Pontiac Firebird 1977 - 1979
    Pontiac Grand Am 1978 - 1979
    Pontiac Grand Prix 1977 - 1979
    Pontiac Grand Safari 1977 - 1978
    Pontiac LeMans 1977 - 1979
    Pontiac Phoenix 1977 - 1979
    Pontiac Sunbird 1977 - 1979
    Pontiac Ventura 1977

    Reviews:

    Write a Review
    * Your Name:
    * Email (This will not be displayed)
    * Rating:
    Comments:

    Ask a question about

    OER 1977-79 AMC, GM, Power Steering Gear Box, Standard Ratio, Brand New Unit P18507N: