USA Standard Gear

Saginaw Style Gear Box Ring and Pinion Set

$371.79

SKU: ZSG6539

In Stock
In Stock
Ships by Aug 31
Free Shipping over $200
$100 Minimum Order
30 Days Return

Description

When internal steering gear components wear out, your vehicle's steering can become vague, leading to lane drifting and imprecise cornering. The USA Standard Gear ZSG6539 Power Steering Gear Box is designed to be the cure for worn-out power steering units, restoring precise control. It features a black powdercoat finish and is a power-assisted unit with a 17.76 steering ratio and 4 total turns lock-to-lock. Key specifications include an input shaft diameter of 0.8 inches, an output shaft diameter of 1.25 inches, and 32 output shaft splines. The ZSG6539 is specifically designed to fit 1965-79 Ford and Mercury Cars equipped with a Saginaw Style Gear Box. Detailed application includes: 1965-1969 Ford Country Sedan, 1965-1967 Ford Galaxie, 1965-1969 Ford Galaxie 500, 1972-1974 Ford Ranch Wagon, 1965-1969 Ford Custom, 1965-1969 Ford Country Squire, 1965-1969 Ford Ltd, 1965-1969 Ford Custom 500, 1975-1976 Ford Elite, 1972-1975 Ford Gran Torino, 1971-1973 Ford Mustang, 1972-1975 Ford Ranchero, 1972-1975 Ford Torino, 1965-1969 Mercury Monterey, 1965-1968 Mercury Montclair, 1965-1968 Mercury Park Lane, 1965-1969 Mercury Colony Park, 1971-1976 Mercury Cougar, 1967-1969 Mercury Marquis, and 1973-1975 Mercury Montego. Note that specific qualifiers such as "with Saginaw Power Steering Gear" or "with Power Steering Gear" may apply to certain applications.

Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.

Fitment

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Specifications

BrandUSA Standard Gear
Part NumberZSG6539
CategoryDrivetrain

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Returns & Fitment

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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Shipping

Orders are processed in 1–3 business days. In stock parts ship promptly from our partner network. Special-order items either aren’t currently stocked or are built to your spec — expect 4–6 weeks. If a part goes on backorder while your order is in the queue, we’ll reach out and work through discounted alternatives together.

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