USA Standard Gear (ZG D60-488) Replacement Ring & Pinion Gear Set for Dana 60 Differential
Condition: New
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Availability:
Only 6 left in stock, order soon!
Arrives
Feb 10 – Feb 14
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Style: Dana 60 4.88 Ratio
Features
- USA Standard ring and pinion sets are the right choice to add confidence to your install
- USA Standard Gear offers a full line of ring and pinion sets for a variety of common and hard to find applications
- USA standard gear offers a standard one year warranty against defects on their ring and pinion sets
- This product is used in a 4.88 axle ratio
Description
Get it done right, the first time with drivetrain parts from USA Standard Gear. From Ring and Pinions to Axles, Installation Kits, Bearings, Seals, and lockers, we have everything you need
Manufacturer: USA Standard Gear
Brand: USA Standard Gear
Model: ZGD60-488
Item Weight: 17.95 pounds
Product Dimensions: 16 x 12 x 6 inches
Item model number: ZG D60-488
Exterior: Machined
Manufacturer Part Number: ZG D60-488
OEM Part Number: FDHDZG D60-488
Date First Available: February 13, 2012
Frequently asked questions
If you place your order now, the estimated arrival date for this product is:
Feb 10 – Feb 14
Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
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Top Amazon Reviews
Style: GM 12-Bolt Truck 3.73 Ratio
Good quality. Installed and currently finished break in. Running quiet. Good so far.
Reviewed in the United States on December 26, 2025 by DH
Style: GM 12-Bolt Truck 3.73 Ratio
These gears appear to be good quality and the wear pattern looks the best I've ever seen after adjustment. I have a 12 bolt 8.875 GM truck rear in my '67 C10. All 3 of my C10's, '67, '68, '69 2wd trucks had 3.08 factory installed gears. I guess because of only a 3 speed auto trans in my '67 and '68, it was better on the highway. My '69 is a 3 speed manual. I decided that since I built a 383 stroker small block and installed a 3000 rpm stall converter in the TH400, due to the cam profile, I would replace the 3.08 geared, one wheel peel with a 3.73 gear and a Spartan "lunch box" locker. I'm just about to fire this thing up in a week or two. Just waiting on the machine shop to do the final piston fit honing and it ready to assemble, stab it in, hook everything up, start it up, and hold onto my hat. But I digress. Sorry, lost track. Anyhow, changing the gears from 3.08 to 3.73 I obviously had to re-shim my carrier to move it to the left. The factory shims were just about equal from one side to the other. Left being a .230 and right being a .243 thickness. I had to bring my left side to .445 and the right only has .024 gap in order to get my .006-.010 backlash needed for a good pattern. I even had to shim my pinion an additional .030 just to get it right. It's not quite a tight fit as factory, but I don't have a housing spreader and the 3 very thin .008 shims were giving a fit without trying to fold over on me. I don't think .004" is going to give me any trouble. Especially with the Moser girdled diff cover I'm using. Okay, here's the issue I ran into. Being that I needed to shift the carrier over almost a quarter inch, the right side of the carrier was hitting the area just outside and to the front of the bore for the carrier bearing. So, I removed the carrier and used a dremel tool to slightly grind the carrier housing on the four 'corners' where the bearing is pressed on. I took off about .100" on each edge and it then fit like a glove. I got my backlash to .008". Installed the yoke with a new crush sleeve and torqued the pinion nut to 11 in.lbs. Re-installed my carrier and torqued the caps to 60 ft.lbs. and installed the diff girdle cover. Hint to the next guy that decides to rebuild a differential. Purchase some cheap new pinion bearings in addition to the bearings that you are going to install. Grind the inner race of the cheap bearings so they slide over the pinion without being pressed on. This will save a bunch of time and frustration when adjusting or shimming the pinion depth. When it's all clocked in, just remove the dummy bearings and press the final good bearings onto the pinion. Oh, btw, the spartan locker is a pain in the butt to install with the diff housing in the vehicle. If possible, remove it and set it on a bench or jack stands with the yoke facing the floor. It's much easier to articulate the c-clips this way as long as you hold your tongue right. Good luck
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Reviewed in the United States on August 3, 2019 by Rascal The Rat Rascal The Rat
Style: GM 14-Bolt Truck 10.5" 3.73 Ratio
Installed these into my 87 square body and had no issues! Was able to get the pattern on the first try and have had no issues with the rear end since the rebuild!
Reviewed in the United States on November 6, 2025 by Jonathan Shellhart
Style: GM 8.5" 3.73 Ratio
The price was right. This is not a daily driver for me. Good strength under lots of load, pulls well. However, these gears are loud. Didn’t come with any numbers for the pinion depth install as other pinions would. Gets the job done for little money. Pick your poison is all I can say!
Reviewed in the United States on March 10, 2023 by Abner Flores-Salyers
Style: Chrysler 9.25" 3.55 Ratio
have used USA Standard Gear ring/pinion sets for years now. always a good value for daily driver level use. My first set ordered from amazon arrived beat to hell with broken teeth etc. easily got a replacement that arrived in perfect condition. Glad it was 'sold and shipped by Amazon' item not a secondary seller on Amazon. Anyway, got the gear set installed. works great!
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Reviewed in the United States on December 26, 2024 by REEK
Style: Chrysler 8.25" 3.55 Ratio
Still holding up like new after the break in period.
Reviewed in the United States on November 8, 2025 by Clayton Skillings
Style: Ford 7.5" 4.56 Ratio
Well I’ve worked at Ford as a Ase Master for 22 years. My Old ford ranger has 331,000mi on it and the ring and pinion failed. I previously installed a 3.73 USA Gear for a customer and had no issues except spent 2 days trying get paint wear correct. Had to grind my own shims. I ordered the 4:56 for a little more torque for my 4cyl Manual Trans to pull the boat out on the ramps. Everything installed fine but had to preheat the ring to expand slightly to get onto spool. The problem I ran into is this particular set (4:56) the teeth cover over half the hole. No correctly notched cross pin exists for this ring on a factory carrier. I did make it work by tophatting the gear teeth by the hole and also removing 1/8 in from the original notched crosspin. Removing too much from either the ring or cross pin will result in failure. Truck drives wonderful with th 4cyl manual trans and 4:56. Truck runs about 75 at 3000rpms. But at 65 I am at 2000rpm in overdrive. Would I do again? Likely not too much play and adjusting this set along with modifications. Also I still worry my C clips will slip out since shaving pin 1/16. It is unlikely, but as a Ford Tech I wouldn’t do this to a customers car.
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Reviewed in the United States on February 20, 2019 by Bdamon
Style: GM 8.5" 3.73 Ratio
Very good quality and fit perfectly
Reviewed in the United States on March 23, 2025 by RICHARD