|Listed in category:

Confirm this item fits

Add your vehicle details to make sure this item fits.

Have one to sell?

12 BOLT OLDSMOBILE YDGGM8.5O-3-28-1 SUPREME 3.08 CUTLASS 3.42 GTO 3.90 28 SPLINE

US $793.00
ApproximatelyAU $1,220.94
or Best Offer
Condition:
Brand New
More information - About this item condition
Breathe easy. Free returns.
People are checking this out. 5 have added this to their Watchlist.
Postage:
US $94.38 (approx. AU $145.31) FedEx Ground / FedEx Home Delivery®.
Located in: Richfield, Ohio, United States
Delivery:
Estimated between Sat, 30 Aug and Sat, 6 Sep to 94104
Delivery time is estimated using our proprietary method which is based on the buyer's proximity to the item location, the postage service selected, the seller's postage history, and other factors. Delivery times may vary, especially during peak periods.
Returns:
30-day returns. Seller pays for return postage.
Payments:
     Diners Club

Shop with confidence

eBay Money Back Guarantee
Get the item you ordered or your money back. Learn moreeBay Money Back Guarantee - opens new window or tab
Seller assumes all responsibility for this listing.
eBay item number:265851473612
Last updated on 26 Aug, 2025 11:50:55 AESTView all revisionsView all revisions

Compatibility

This part is compatible with 10 vehicle(s)
YearMakeModelTrimEngineNotes
1970PontiacGTOBase6.6L 400Cu. In. V8 GAS Naturally Aspirated
1970PontiacGTOBase6.6L 6555CC 400Cu. In. V8 GAS OHV Naturally Aspirated
1970PontiacGTOBase7.5L 455Cu. In. V8 GAS Naturally Aspirated
1970PontiacGTOBase7.5L 7456CC 455Cu. In. V8 GAS OHV Naturally Aspirated
1970PontiacGTOThe Judge6.6L 400Cu. In. V8 GAS Naturally Aspirated
1970PontiacGTOThe Judge7.5L 455Cu. In. V8 GAS Naturally Aspirated
1969PontiacGTOBase6.6L 400Cu. In. V8 GAS Naturally Aspirated
1969PontiacGTOBase6.6L 6555CC 400Cu. In. V8 GAS OHV Naturally Aspirated
1968PontiacGTOBase6.6L 400Cu. In. V8 GAS Naturally Aspirated
1968PontiacGTOBase6.6L 6555CC 400Cu. In. V8 GAS OHV Naturally Aspirated
Portions of the information contained in this table have been provided by monzaz

Item specifics

Condition
Brand New
Rear end type
12 Bolt OLDSMOBILE
Manufacturer Part Number
YDGGM8.5O-3-28-1
Vintage Part
No
AXLE RETENTION
BOLT IN AXLES
Placement on Vehicle
Rear
serive years
1967 - 1970
Brand
Yukon Gear
axle shaft spline count
28
Type
Traction Unit
Gear Ratio
3.90
Universal Fitment
Yes
Ring gear bolt count
10
Differential cover bolt count
12
Performance Part
Yes

Item description from the seller

About this seller

JD RACE & RESTORATION 330 990 8155

100% positive Feedback9.1K items sold

Joined Sep 2003
Usually responds within 24 hours
Welcome to J D Race & Restoration eBay Store. ------330 990 8155 ------ Please add us to your list of favorite sellers and visit often. We BUILD and SELL Quality rear differentials & Parts.If you do ...
See more

Detailed seller ratings

Average for the last 12 months
Accurate description
4.9
Reasonable postage costs
4.6
Postage speed
5.0
Communication
5.0

Seller feedback (4,367)

All ratings
Positive
Neutral
Negative