


Eaton GM 8.5in/8.6in Rear Master Install Kit
Marsoni
M251S
Get it in 3 business days with 1 day shipping.
Friday, May 29
Eaton GM 8.5in/8.6in Rear Master Install KitEaton master installation kits make upgrading your differential easier by providing all the components needed to properly install your Eaton differential or replace your ring and pinion, in one box. Premium bearings and components ensure long life and quiet operation. This Part Fits: Year Make Model Submodel 1973 1975 Buick Apollo Base 1975 Buick Apollo SR 2004 2007 Buick Rainier CXL 2004 2005 Buick Rainier CXL Plus 1999 2000,2002 2008 Cadillac
Quick Dispatch:
Your Eaton GM 8.5in/8.6in Rear Master Install Kit orders ship within 1-2 business days.
Delivery Options:
- Standard: 3-7 business days
- Fast: 2-3 business days
- Express: 1-2 business days
Order Tracking:
You'll receive a tracking link by email once your Eaton GM 8.5in/8.6in Rear Master Install Kit ships.
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Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
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4.9 ★★★★★
Based on 278 reviews
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Product Reviews
★★★★★ 5
Not left stranded anymore!
Color: Vivid Orange
I bought two of these tire repair kits to put one in each vehicle. I also bought two new jacks for each vehicle. Generally them jacks that come with your vehicle aren’t no good anyways. I had a flat tire way out in the country and I couldn’t get my tire off, with that cheap wrench. I couldn’t get the car jacked up anyways. left me stranded. Not anymore I got two new four-way lug wrenches two new jacks and a tire, patch kit, and two of them little air compressors that you hook up to your cigarette lighter..
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 17, 2026
★★★★★ 5
Excelente kit, Se sienten premium
Color: Grey
Excelente kit de herramientas de pinches, Cada herramienta se siente de buena calidad a diferencia de otras marcas me gustó este Kit por su precio y hermoso estuche.
Lo recomiendo 100%
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 24, 2026
★★★★★ 5
Amazon sell a fine selection of replacement fiberized rubber fiber plugs & cement. Read the reviews.
Color: Vivid Orange
This is the only kit you will ever need at roadside to plug a tire & be on your way.
This kit has it all. I'm a retired long haul trucker. This is my preferred plug kit. I have
stored one of these in all of my trucks & my wife's SUV. You could spend so much
more for other plug kits. But this one works. The price reflects the quality of both
the tools & all the other essentials you will ever need. I recommend you buy this one.
The money you save can be used elsewhere.
Note: Amazon sell a fine selection of replacement fiberized rubber plugs & rubber
cement. This is where you don't want to skimp on cheap-O plugs elsewhere.
These two items are the most important items in the entire system. Be prepared!
Always read the reviews & know the sellers reputation before you purchase things.
///////////////
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 17, 2026
★★★★★ 3
Plugs
Color: Grey
The plugs didn’t work it leaked. Needed to buy bigger plugs.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 28, 2026
★★★★★ 4
ALMOST perfect.
Color: Vivid Orange
Item is as advertised. Durable, and the tools are useful for more than just regular plugs. It comes with the snips which was great as well as actual valve stem replacements which I thought were pretty nice. Only complaint are the plug strips themselves. If the hole is from a bolt or something larger than the average screw, it may take two of them to completely stop the leak. Hope this helped.
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Reviewed in the United States on May 2, 2026
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