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1976-79 H-Body, 1978-79 Buick Regal, GM A-Body, X-Body, Power Steering Gear Box, With Ring Cover, Brand New unit

1976-79 H-Body, 1978-79 Buick Regal, GM A-Body, X-Body, Power Steering Gear Box, With Ring Cover, Brand New unit
$579.99 ea
NEWARRIVING SOONEstimated Ship Date 04/20/2026 (If Ordered Today)12 Available from our supplier as of 03/31/2026
Model: 4957690
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]

Replacing the OEM gear box with this BRAND NEW unit can dramatically improve handling over your worn original gear boxe. Each gear box is a cosmetically correct brand new unit so you can maintain complete originality. Replaces aftermarket #'s 27-6506, 276506, or OE # 7819688.

Specifications:
  • Color: Black
  • Hose Port Type: Seat
  • Input Shaft Diameter - Imperial: 0.875 in
  • Input Shaft Diameter - Metric: 22.23 mm
  • Input Shaft Spline Quantity: 25
  • Input Shaft Type: Splined;Single Flat
  • Number of Mounting Holes: 3
  • Output Shaft Diameter - Imperial: 0.864 in
  • Output Shaft Diameter - Metric: 21.95 mm
  • Pitman Arm Included: No
  • Pressure Port Internal Diameter Size: 0
  • Pressure Port Thread Size: 11/16-18
  • Return Port Internal Diameter Size: 0
  • Return Port Thread Size: 5/8-18
  • Rotation Direction: Standard
  • Steering Box Type: Power
  • Total Turns Lock to Lock: 3.25
Buick Applications
  • 1978- 1979 Buick Century
  • 1978- 1979 Buick Regal
  • 1977- 1979 Buick Skyhawk
  • 1978- 1979 Buick Skylark
Chevrolet Applications
  • 1978- 1979 Chevrolet Malibu
  • 1978- 1979 Chevrolet Monte Carlo
  • 1977- 1979 Chevrolet Monza
  • 1976- 1977 Chevrolet Vega
Chevrolet Truck Applications
  • 1978- 1979 Chevrolet El Camino
GMC Truck Applications
  • 1978- 1979 GMC Caballero
Oldsmobile Applications
  • 1978- 1979 Oldsmobile Cutlass
  • 1978- 1979 Oldsmobile Cutlass Salon
  • 1978- 1979 Oldsmobile Cutlass Supreme
  • 1978- 1979 Oldsmobile Omega
  • 1977- 1979 Oldsmobile Starfire
Pontiac Applications
  • 1976- 1977 Pontiac Astre
  • 1978- 1979 Pontiac Grand Am
  • 1978- 1979 Pontiac Grand Prix
  • 1978- 1979 Pontiac LeMans
  • 1977- 1979 Pontiac Sunbird

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 1978 - 1979
Buick Regal 1978 - 1979
Buick Skyhawk 1977 - 1979
Buick Skylark 1978 - 1979
Chevrolet El Camino 1978 - 1979
Chevrolet Malibu 1978 - 1979
Chevrolet Monte Carlo 1978 - 1979
Chevrolet Monza 1977 - 1979
Chevrolet Vega 1976 - 1977
GMC Caballero 1978 - 1979
Oldsmobile Cutlass Salon 1978 - 1979
Oldsmobile Cutlass Supreme 1978 - 1979
Oldsmobile Cutlass 1978 - 1979
Oldsmobile Omega 1978 - 1979
Oldsmobile Starfire 1977 - 1979
Pontiac Astre 1976 - 1977
Pontiac Grand Am 1978 - 1979
Pontiac Grand Prix 1978 - 1979
Pontiac LeMans 1978 - 1979
Pontiac Sunbird 1977 - 1979

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1976-79 H-Body, 1978-79 Buick Regal, GM A-Body, X-Body, Power Steering Gear Box, With Ring Cover, Brand New unit: