1977 Ford F150 Power Steering Gear Box
Fully splined or single master facing up toward the top cover ,single flat 35 splined.725 inch. 1977 f150 4wd from serial number y20,001 // 1978/79 f150 4wd & bronco. $5 off your $100 mobile app purchase. Pretty simple to do and make a differ.
1977 Ford F150 Steering Gear Box Rebuild 197778 F150 4X4 1978 Bronco
Web models this steering gear box fits: Web this vid provides some info on how to tighten up your steering if you have a little play in when driving down the road. So, if the box was replaced, so was the 3d517.
Web Power Steering Gear Box / Obsolete.
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