Yukon Gear & Axle
Yukon Gear Dura Grip Positraction For GM 8.5in w/ 28 Spline Axles - YDGGM8.5O-3-28
- SKU:
- YUKYDGGM8.5O-3-28
- UPC:
- 883584103011
- MPN:
- YDGGM8.5O-3-28
- Availability:
- Regularly stocked product
Description
What differential fluid is recommended for the YUK Dura Grip?
Yukon Gear & Axle recommends SAE 80W-90 gear oil with friction modifier for optimal performance and longevity of the Dura Grip differential.
How difficult is it to install the YUK Dura Grip?
Professional installation is strongly recommended for the YUK Dura Grip to ensure precise setup and maximize its powerful performance.
Yukon Dura Grip differentials deliver relentless off-road traction, scoring a 9 for Weekend Off-Roading and Serious Rock Crawling. Featuring forged 4320 chromoly spider gears for ultimate strength, this positraction limited slip differential ensures superior durability. Experience confident, high-performance power delivery on any terrain with this robust differential.
What Owners Say
Owners and enthusiasts consistently praise the Yukon Dura Grip for its quality construction, highlighting the billet case, hardened internals, and carbon clutches that deliver reliable performance in both street and moderate off-road applications. Users report successful installations in various vehicles from Broncos to Camaros, with many noting it works particularly well in front differentials where clutches see less wear. The availability of rebuild parts adds long-term value to the investment. Some wheelers suggest it may be more capability than casual users need, and at least one voice recommends exploring alternatives like the Tru Trac depending on application. Overall, the Dura Grip has earned its place alongside respected names like Eaton in the limited-slip differential conversation.
Key Features
- positraction limited slip differential
- high strength nodular case
- forged 4320 chromoly spider gears
- composite clutches
- Fits Factory 3.08 & 3.23 Ratio or Aftermarket Gear Ratios
- Fits 8.5 in. Oldsmobile w/28 Spline Axles
Why Choose the YUK Dura Grip
Delivers relentless traction for confident off-road and on-road performance.
Achieves superior durability with a robust, high-strength nodular iron case.
Maximizes power transfer through ultra-strong forged chromoly spider gears.
Provides smooth, responsive engagement with advanced composite clutch packs.
Who Is This For?
Weekend Off-Roading — 9/10
Positraction differential enhances traction for off-road.
Serious Rock Crawling — 9/10
High strength nodular case and forged spider gears.
Street Performance — 8/10
Positraction differential improves power delivery on street.
Drag Racing — 7/10
Forged spider gears ensure ultimate power delivery.
Overlanding Expedition — 7/10
Durable construction for demanding expedition conditions.
Frequently Asked Questions
What vehicles are compatible with the Yukon Dura Grip positraction differential?
The Yukon Dura Grip is designed to fit a wide range of vehicles, specifically 1964-2022 Jeep Wrangler, Oldsmobile 442/Cutlass, and Pontiac Catalina/GTO/LeMans models. This broad fitment ensures broad compatibility for enthusiasts. Confirm precise fitment with a qualified technician for your specific application.
What is the installation complexity for the Yukon Dura Grip limited slip differential?
Professional installation is recommended for the Yukon Dura Grip, requiring confirmation with a qualified technician. This ensures proper setup for optimal performance and durability. Expert installation guarantees the differential will function as intended.
How does the Yukon Dura Grip enhance off-road performance?
The Yukon Dura Grip delivers relentless traction, scoring a 9/9 for Weekend Off-Roading and Serious Rock Crawling use cases. Its positraction design and high-strength components provide confident performance in demanding terrain. This differential significantly boosts capability for off-road adventures.
Is upgrading to a Yukon Dura Grip differential beneficial over a stock unit?
Upgrading to the Yukon Dura Grip is highly beneficial due to its forged 4320 chromoly spider gears, ensuring ultimate strength and power delivery. This feature provides superior durability and performance compared to standard components. Invest in enhanced power transfer and robust construction.
What are the key materials used in the Yukon Dura Grip for durability?
The Yukon Dura Grip features a high-strength nodular iron case and forged 4320 chromoly spider gears for superior durability. Advanced composite clutches further enhance its robust construction and longevity. This combination ensures maximum strength and reliable performance.
Important Notices
⚠️ Proposition 65 Warning: This product can expose you to chemicals including lead and/or other substances known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, visit www.P65Warnings.ca.gov.
Warranty Information
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2021 | Jeep | Wrangler | 80th Anniversary |
| 2021 | Jeep | Wrangler | Freedom |
| 2021 | Jeep | Wrangler | Islander |
| 2018-2022 | Jeep | Wrangler | Rubicon |
| 2018-2022 | Jeep | Wrangler | Sport |
| 2018-2022 | Jeep | Wrangler | Sport S |
| 2021 | Jeep | Wrangler | Unlimited 80th Anniversary |
| 2021 | Jeep | Wrangler | Unlimited Freedom |
| 2021 | Jeep | Wrangler | Unlimited High Altitude |
| 2021-2022 | Jeep | Wrangler | Unlimited High Altitude 4xe |
| 2021 | Jeep | Wrangler | Unlimited Islander |
| 2019 | Jeep | Wrangler | Unlimited Moab |
| 2018-2022 | Jeep | Wrangler | Unlimited Rubicon |
| 2021-2022 | Jeep | Wrangler | Unlimited Rubicon 392 |
| 2021-2022 | Jeep | Wrangler | Unlimited Rubicon 4xe |
| 2018-2022 | Jeep | Wrangler | Unlimited Sahara |
| 2021-2022 | Jeep | Wrangler | Unlimited Sahara 4xe |
| 2021-2022 | Jeep | Wrangler | Unlimited Sahara Altitude |
| 2018-2022 | Jeep | Wrangler | Unlimited Sport |
| 2021-2022 | Jeep | Wrangler | Unlimited Sport Altitude |
| 2018-2022 | Jeep | Wrangler | Unlimited Sport S |
| 2021-2022 | Jeep | Wrangler | Unlimited Willys |
| 2021-2022 | Jeep | Wrangler | Unlimited Willys Sport |
| 2021-2022 | Jeep | Wrangler | Willys |
| 2021-2022 | Jeep | Wrangler | Willys Sport |
| 1964-1971 | Oldsmobile | 442 | Base |
| 1968-1972 | Oldsmobile | Cutlass | Base |
| 1972 | Oldsmobile | Cutlass | Cruiser |
| 1968,1971-1972 | Oldsmobile | Cutlass | S |
| 1965-1967 | Pontiac | Catalina | 2+2 |
| 1965-1981 | Pontiac | Catalina | Base |
| 1971-1972 | Pontiac | Catalina | Brougham |
| 1965-1981 | Pontiac | Catalina | Safari |
| 1965-1970 | Pontiac | Catalina | Ventura |
| 1965-1971 | Pontiac | GTO | Base |
| 1970-1971 | Pontiac | GTO | The Judge |
| 1964-1972 | Pontiac | LeMans | Base |
| 1972 | Pontiac | LeMans | Luxury |
| 1969-1970 | Pontiac | LeMans | Safari |
| 1970-1972 | Pontiac | LeMans | Sport |
| 1971 | Pontiac | LeMans | T37 |
Additional Information
Clearance Item: |
N |
MPN: |
YDGGM8.5O-3-28 |
Proposition 65: |
Y |
Case Lot Quantity: |
1 |
Category: |
Drivetrain>Differentials |
Product Level: |
Premium Performance |
Weekend Off-Roading: |
9/10 |
Serious Rock Crawling: |
9/10 |
Street Performance: |
8/10 |
Drag Racing: |
7/10 |
Overlanding Expedition: |
7/10 |