🚀 Grip the road like a pro with Yukon’s Dura Grip Positraction!
The Yukon Gear & Axle Dura Grip Limited Slip Differential is a robust, clutch-style posi designed for GM 8.5" and 8.6" 30 spline axles. Featuring forged 4320 steel internals and a 4-spring clutch system, it delivers aggressive traction and smooth handling for both on- and off-road driving. Fully rebuildable and assembled in the USA, it supports gear ratios from 2.73 and up, making it a reliable upgrade for a wide range of GM vehicles.
| Manufacturer | Yukon Gear & Axle |
| Model | DuraGrip Limited Slip Differential Positraction GM 8.5" w/30 Spline |
| Item Weight | 22.3 pounds |
| Item model number | YDGGM8.5-3-30-1 |
| Is Discontinued By Manufacturer | No |
| Exterior | Machined |
| Manufacturer Part Number | YDGGM8.5-3-30-1 |
| OEM Part Number | YDGGM9.5331 |
| Special Features | DIFFERENTIAL OIL: Use non-synthetic GL-5 gear oil and Yukon LSD (Limited Slip Differential) additive (ASIN B00J0G09JW, model OILADD) are recommended for durable performance and smooth operation. Synthetic oil is not recommended and can result in aggressive or noisy operation. This unit requires the use of carrier bearing & race part numbers LM102949 & LM102911 for the 8.5 in. housing (2.891 in. Race OD) or LM603049 & LM603012 for the GM 8.600 in. housing (3.062 in. Race OD)., The GM 8.5" & 8.6" came in the following vehicles | GTO '70-'74 | Hummer H3 '06-'10 | Impala '71-'85 '94-'96 | Isuzu Ascender '03-'08 | Malibu '73-'83 | Nova '70-'79 | Oldsmobile Cutlass '70-'77 '85-'87 | Omega '73-'79Pontiac Bonneville '70-'86 | Rainier '04-'07 | Regal '73-'87 | Replacement Part Number: '559-010 | Riviera '75-'78 | S-10 Blazer '94 | S-10 Pickup '99-'04 | Saab 9-7X '05-'09 | Savana '96-'13 | Sierra 1500 '99-'17 | Sierra 2500 '11-'13 | Sierra 3500 '11-'13 | Silverado 1500 '99-'17, The GM 8.5" and 8.6" came in the following vehicles | Bel Air '70-'75 | Blazer '77-'94 | Buick Apollo '73-'75 | Cadillac Escalade '99-'00 '02-'13 | Camaro '70-'81 | Canyon '04-'12 | Caprice '70-'96 | Catalina '70-'81 | Chevelle '73 | Chevy Avalanche '02-'06 '09-'13 | Chevy Monte Carlo '73-'78 | CK Pickup '77-'86 '88-'00 | Colorado '04-'13 | El Camino '71-'76 | Electra '71-'89 | Envoy '02-'09 | Express '96-'14 | Firebird '70-'81 | GMC CK Pickup '77-'86 '88-'00 | Grand Prix '71-'87, The GM 8.5" and 8.6" came in the following vehicles | G-Series '75-'95 | G-Series '78-'95 | Skylark '70-'72 '75-'79 | Sonoma '94-'04 | SSR '03-'06 | Suburban '77-'86 '92-'99 | Suburban '77-'99 | Tahoe '95-'17 | Trailblazer '02-'09 | Typhoon '92-'93 | Ventura '76-'77 | Yukon '00-'13 | Yukon Denali '01-'13, The Yukon DuraGrip Positraction (also known as a "posi") is a Limited slip differential (LSD), is a traction device that splits torque to both axles, enabling continuous traction around corners as well as a strait line. This Posi fits a GM 10 Bolt 8.5" & 8.6" Inches with 30 Spline Axles. Aftermarket Carrier Style: Clutch-type. Fits 2.73 Gear Ratio & Up. |
W**R
Great upgrade or replacement. Going strong!!
Installed in a 2001 Tahoe. Over 10K miles on it now and no issues. It's very nice living on a farm and not only having 4wd but now having a limited slip rear end. Haven't really needed the 4wd since installation.
S**N
It's a legit yukon product
Originally purchased one of the from a company in Wa state for double the price, this is a wholesaler which cuts the price drastically. Exact same packaging, product (stamped from manufacturer w/ serial numbers and everything), excellent customer service too. If you need a new locker for your gm 10 bolt this is the best option to replace the stock g80 (gov-lock/ gov-bomb). Ran my first one for 150k miles, didn't know fluid replacement was crucial to clutch longevity. I'll be changing this diff gear oil every 30k. True Yukon gear part, exact replacement for almost all gm 10 bolt rearends. Don't believe the -2 at the end of the part #, it's a ydggm8.5-3-30-1 made in the USA. This was less than half price from the local company that produces them, that company wanted to rip me off, this company sold me my parts at a reasonable price. I'll be recommending them to everone. Thank you very much.
A**R
Life saver!
The rear end of my 2007 yukon xl tragically exploded with a car full of kids. This vehicle is my daily grocery getter and only vehicle we own that van haul all our kiddos. We were stressing about whether to purchase all the needed parts separately at Advance auto, or buy used. My husband has lots of experience with mechanics, but had never changed an entire rear end and found the task daunting. We took a chance on ordering this rear diff because of the awesome price and reviews (we were skeptical.) He had to get a few small parts from the auto store to go with this (bearings, I think and gear oil) but he got everything installed in a day or two and it works GREAT! The truck now drives better than before, no strange noises and it is holding up great through daily use and abuse. Highly recommend this part (you’ll find this exact part for a few hundred more on other websites!)
J**E
Works like it should
Why did you pick this product vs others?:the names what I bought. very reliable I bought 2. 1for the front and 1 for the rear
A**R
Upgrade your Gov-lock
Silent and tight. Can instantly feel extra grip. Highly recommend upgrading your open diff or G80 gov lock.
L**L
Great price, clean and ready to install, easy install
The part itself was fine, direct replacement for gov lock, easy install and no problems with performance.AMAZON....IF YOU ARE GOING TO OFFER ONE DAY SHIPPING THEN DON'T SHOW UP AT 9PM THE NEXT DAY AND CALL IT "NEXT DAY SHIPPING". YOU ARE PROVIDING FALSE HOPE. WTF AM I GONNA DO WITH A PART THAT ARRIVES AT THE END OF THE DAY. 5PM WOULD BE ABOUT THE LASTEST I SHOULD SEE SOMETHING "NEXT DAY". IF FED EX AND UPS CAN DO IT, SO CAN YOU.
J**M
Must have
Easy install and haven’t had issues.Now has about 2k miles on it and she still moving!
M**D
Can't stop it
Why did you pick this product vs others?:The best
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