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Yggm8.5-411 Yukon Gear 8.5" 8.6" 4.10 4.11 Ratio Ring And Pinion Gears Gear Set
This yukon gear 8.5" 8.6" 4.10 4.11 ratio ring and pinion gears gear set from YUKON GEAR is designed to deliver reliable performance and durability.
Key Features
- Designed to match or exceed applicable specifications
- Provides the function required for the intended system or assembly
- Built for dependable performance and service life
- Backed by YUKON GEAR quality and engineering.
Specifications
| Brand | YUKON GEAR |
| Part Type | Yukon Gear 8.5" 8.6" 4.10 4.11 Ratio Ring And Pinion Gears Gear Set |
| SKU | YGGM8.5-411 |
| OEM Cross Reference | LS000018 FitmentFits Gm 8.5" And 8.6"8.50" Ring Gear Diameter30 Spline Pinion10 Ring Gear Bolts4.11 RatioCompatible DifferentialsGm 8.5" Rear 28 SplineGm 8.5″ Rear – 30 SplineGm 8.5" Front 28 SplineGm 8.5" Front 30 SplineGm 8.6" Rear, '99 '08Gm 8.6" Rear, '09 UpCompatible Make / Model1970 1972 Buick Skylark Rwd1970 1975 Chevrolet / Chevy Bel Air Rwd1970 1977 Oldsmobile Cutlass Rwd1970 1977 Pontiac Gto Rwd1970 1979 Chevrolet / Chevy Nova Rwd1970 1981 Chevrolet / Chevy Camaro Rwd1970 1981 Pontiac Catalina Rwd1970 1981 Pontiac Firebird Rwd1970 1981 Pontiac Trans Am Rwd1970 1986 Pontiac Bonneville Rwd1970 1996 Chevrolet / Chevy Caprice Rwd1971 1976 Chevrolet / Chevy El Camino Rwd1971 1983 Pontiac Lemans Rwd1971 1987 Pontiac Grand Prix Rwd1971 1988 Chevrolet / Chevy Impala Rwd1971 1989 Buick Electra Rwd1973 1975 Buick Apollo Rwd1973 1978 Chevrolet / Chevy Monte Carlo Rwd1973 1979 Oldsmobile Omega Rwd1973 1983 Chevrolet / Chevy Malibu Rwd1973 1987 Buick Regal Rwd1975 1978 Buick Riviera Rwd1975 1979 Buick Skylark Rwd1985 1987 Buick Regal Rwd1985 1987 Oldsmobile Cutlass Rwd1975 1989 Chevrolet / Chevy G20 3/4 Ton Rwd1976 1977 Pontiac Ventura Rwd1977 1981 Pontiac Catalina Rwd1988 1989 Gmc Suburban 1/2 Ton 4wd1977 1989 Gmc Suburban 1/2 Ton 4wd1988 1990 Chevrolet / Chevy Suburban 3/4 Ton 4wd1977 1990 Chevrolet / Chevy Suburban 3/4 Ton 4wd1988 1990 Chevrolet / Chevy C1500 1/2 Ton (2wd) Rwd1977 1990 Gmc Suburban 3/4 Ton 4wd1988 1990 Gmc Suburban 3/4 Ton 4wd |
| Internal Barcode | LS000018 |
| Weight | 20.0 lb |
Brand Information
Brand: YUKON GEAR
YUKON GEAR supplies quality parts and components designed to provide dependable performance and long service life in their intended applications.
Installation Notes
- Verify part number, specifications, and application before installation.
- Professional installation is recommended.
Shipping and Delivery
Efficient, transparent shipping built for the heavy-duty trucking industry — from small packages to full freight.
Estimated shipping times
In-stock orders placed before 6 PM ET are processed the same business day; some products require 24–48 hours of processing. Transit estimates below begin after processing.
| Method | Transit time | Notes |
|---|---|---|
| Small Package Saver | 3–7 business days | Ideal for items under 10 lb; often the method behind FREE SHIPPING items |
| Ground | 1–6 business days | Primary carrier UPS, occasionally FedEx |
| Second Day Air | 2–3 business days | Contact our sales team for details |
| Next Day Air | 1–2 business days | Contact our sales team for details |
| Canada | 1–6 business days | Customs may add time and require additional information |
| Large Package Rate | 3–5 business days | Residential deliveries; the carrier may call to schedule |
| Will Call (pickup) | — | Request by phone; no shipping or handling charges |
Good to know
Free shipping promotions
Free-shipping promotions ship USPS or UPS with a 3–7 business day transit time. Valid in the contiguous 48 United States.
Freight & oversize
Freight/LTL quotes are based on delivery to commercial addresses with official business hours. Non-commercial addresses may require additional fees.
Canada & international
Contact support@i40truckparts.com for a custom quote. Customers are responsible for duties, taxes, and other charges.
Damaged shipments
Report damage within 24–48 hours of delivery — call or email us and we handle the claim. Please do not contact the manufacturer. Related cancellations are coordinated with our customer service team.
Refused shipments & stock
You may refuse a shipment, but please contact us in advance. Refused shipments can incur return shipping charges and the initial shipping charges, which are deducted from the refund. If an item is temporarily out of stock after you order, we notify you promptly with your options.
About i40 Truck Parts
Heavy-duty truck and trailer parts sourced from reputable manufacturers, verified for fitment by real people, and shipped fast from Candler, North Carolina. Fleet managers, owner-operators, and mechanics trust us to keep their equipment moving.
Verify Fitment Form
Not 100% sure it fits? Submit your details below and our team will verify compatibility before you order.
Fitment verifications are answered during business hours — typically within 15 minutes.
Submit Your Fitment Request
Add as much detail as possible for the fastest and most accurate verification. Photos help a lot.
What to Include
Best info for fast verification
- VIN (preferred when available)
- Year / Make / Model
- Part number (if you have it)
- Part description and what it’s replacing
- Photos of the part, label, or the truck tag
Before you install
- If you’re unsure, wait for confirmation before installing.
- Installed/used parts may not be eligible for return.
Need help right now?
Phone: +1 (877) 898-0632
Email: support@i40truckparts.com
Hours: Mon–Fri · 8:00 AM – 10:30 PM ET
2212 Smokey Park Hwy #102
Candler, NC 28715