What is the part number on a Sierra differential?
If this writing has been lost then also stamped into this Crown gear is the Ford part number. The number reads ‘Ford 90BG-4210AA 3,62’. By counting teeth of the Crown and Pinion gears you can calculate the ratio. The 7.5″ rear Granada / Scorpio differential has a different shaped housing. LSD?
How does a four wheel drive differential work?
From there, one driveshaft turns the front axle, and another turns the rear axle. When four-wheel drive is engaged, the transfer case locks the front driveshaft to the rear driveshaft, so each axle receives half of the torque coming from the engine. At the same time, the front hubs lock. The front and rear axles each have an open differential.
What’s the difference between Sierra 7.5 and 7.7 differentials?
NB. The unit on the left is a Tripod unit with push in shafts and the right hand unit is the more desirable Lobro unit with external bolt flanges for the drive shafts. NB. The internals of the 7″ are almost identical to the 7.5″ (apart from the reduction gear ratios), so there are no differences in strength.
How to identify a Dana or Ford differential?
Differential tags can easily be used to identify Dana and Ford differentials. The Bill of Material (BOM) number is used to identify Dana differentials. The BOM will identify the model number, the gear ratio, the type of differential, and all component parts.
If this writing has been lost then also stamped into this Crown gear is the Ford part number. The number reads ‘Ford 90BG-4210AA 3,62’. By counting teeth of the Crown and Pinion gears you can calculate the ratio. The 7.5″ rear Granada / Scorpio differential has a different shaped housing. LSD?
What’s the rear end gear ratio in a GMC?
General Motors rear end differentials are referred to by the diameter of the ring gear, i.e. 7.5 inch, 8.5 inch, 10.5 inch. Our experts will help you find the correct ring and pinion set for your particular application.
Where do I find Dana Spicer differential parts?
When ordering Dana Spicer Differential Parts, provide a bill of material number. This number is stamped on the right hand side axle tube of your rear end. It’s a number like: 603XX-X, 604XX-X or 605XX-X.
NB. The unit on the left is a Tripod unit with push in shafts and the right hand unit is the more desirable Lobro unit with external bolt flanges for the drive shafts. NB. The internals of the 7″ are almost identical to the 7.5″ (apart from the reduction gear ratios), so there are no differences in strength.