Yukon Gear Model 20 Gasket - Black Ops Auto Works
Click to zoom in

Yukon Gear Model 20 Gasket

YUKYCGM20
883584230250
Diff Cover Gaskets
20+ Units In Stock - Ships Next Business Day
$ 19.89
$ 19.89

SKU: YCGM20 / UPC: 883584230250

Yukon Gear YCGM20 Model 20 Gasket

Yukon Gear & Axle Model 20 Gasket (YCGM20) is a direct replacement gasket for the Dana Model 20 transfer case cover. Built for classic American Motors vehicles like Javelin Hornet Ambassador and Jeep CJ5 CJ7 Scrambler Wagoneer plus Hummer H1. Delivers a tight seal to stop gear oil leaks and maintain transfer case integrity during off-road or daily use.

Key Features

  • Exact Fit Design – Precision-cut for Dana Model 20 transfer case cover ensuring no gaps or slippage.
  • Durable Construction – High-grade composite material resists heat oil and pressure for long service life.
  • Leak-Proof Seal – Prevents fluid loss protecting internal components from damage and contamination.
  • Easy Bolt-On Install – Direct OEM replacement no modifications needed for quick servicing.
  • Versatile Compatibility – Works across multiple Jeep AMC and Hummer models with Dana 20 cases.
  • Quality Materials – Engineered by Yukon for consistent performance in demanding conditions.

Specifications

Detail Value
Brand Yukon Gear & Axle
Type Dana Model 20 Transfer Case Cover Gasket
Compatibility Dana 20 Transfer Case (Jeep CJ AMC Hummer)
MPN YCGM20
Weight 0.05 lbs
Shipping Dimensions 10 x 7 x 0.5 inches
Country of Origin USA
Warranty Manufacturer Limited Warranty

Whats Included

  • 1 x Model 20 Transfer Case Gasket

Product Notes

  • Confirm Dana Model 20 transfer case on your vehicle before purchase.
  • Ideal for maintenance rebuilds or gasket replacements.
  • Not for front cover use rear cover application.

This Part Fits

Year Range Make Model Notes
1971-1972 American Motors Ambassador Brougham
1971 American Motors Ambassador DPL
1971-1972 American Motors Ambassador SST
1968-1970 American Motors AMX Base
1978-1979 American Motors Concord Base
1979 American Motors Concord DL
1979 American Motors Concord Limited
1977 American Motors Hornet AMX
1970-1971,1973-1977 American Motors Hornet Base
1971 American Motors Hornet SC/360
1971-1977 American Motors Hornet Sportabout
1970-1972 American Motors Hornet SST
1971-1974 American Motors Javelin AMX
1968-1974 American Motors Javelin Base
1968-1972 American Motors Javelin SST
1970 American Motors Javelin SST Mark Donohue
1970 American Motors Javelin SST Trans Am
1971-1978 American Motors Matador Base
1974 American Motors Matador Brougham
1974 American Motors Matador X
1975-1978 American Motors Pacer Base
1979-1980 American Motors Pacer DL
1979-1980 American Motors Pacer Limited
2006 Hummer H1 Alpha
2002-2004 Hummer H1 Base
1976-1983 Jeep CJ5 Base
1977-1980 Jeep CJ5 Golden Eagle
1980-1983 Jeep CJ5 Laredo
1982-1983 Jeep CJ5 Limited
1976-1983 Jeep CJ5 Renegade
1976-1986 Jeep CJ7 Base
1977-1979 Jeep CJ7 Golden Eagle
1980 Jeep CJ7 Golden Hawk
1980-1983,1985-1986 Jeep CJ7 Laredo
1982-1983 Jeep CJ7 Limited
1976-1986 Jeep CJ7 Renegade
1976-1986 Jeep J10 Base
1981-1986 Jeep Scrambler Base
1985-1986 Jeep Scrambler Laredo
1985-1986 Jeep Scrambler Renegade
1982-1983 Jeep Scrambler SL
1982-1984 Jeep Scrambler SR
1979-1982,1984-1986 Jeep Wagoneer Base
1982-1983 Jeep Wagoneer Brougham
1979-1986 Jeep Wagoneer Limited

Why Choose Yukon Gear?

  • Complete selection of differential and transfer case parts for any build.
  • Dependable quality in every small component for critical seals.
  • Proven in off-road and restoration projects nationwide.
  • Supports full drivetrain maintenance needs.

Frequently Asked Questions

  • Q: What transfer case model does YCGM20 fit?
  • A: Dana Model 20 transfer case rear cover.
  • Q: Is this gasket suitable for Jeep CJ rebuilds?
  • A: Yes fits 1976-1986 CJ5 CJ7 Scrambler and more.
  • Q: What material is used in this gasket?
  • A: Durable composite designed for oil and heat resistance.

Shipping & Handling

  • Method: UPS Ground
  • Availability: In stock – ships same or next business day
  • Packaging: Protective envelope for safe transit

Request For Information

Have questions about ? Fill out the form below and we'll get back to you by the next business day.
Diff Cover Gaskets

Diff Cover Gaskets

Differential cover gaskets seal the interface between the diff cover and housing, keeping gear oil contained and preventing leaks that can lead to premature bearing wear or total axle failure. Replacing a worn or damaged gasket during a fluid change is straightforward preventive maintenance for any rear-wheel or four-wheel drive vehicle.Popular Diff Cover Gasket TypesOptions include reusable silicone gaskets for Dana 44 and Dana 60 axles, OEM-replacement rubber gaskets for GM 10-bolt and 12-bolt differentials, and RTV-sealant-compatible paper gaskets for Ford 8.8 and 9-inch applications. Billet diff cover upgrades often include a matching formed gasket or integrated seal surface.How do I know when my diff cover gasket needs replacement?Signs include gear oil seeping around the cover perimeter, a low diff fluid level with no other visible leak source, or contamination around the cover bolts. Inspect the gasket surface any time you drop the cover for a fluid change or ring-and-pinion ...

View Diff Cover Gaskets Products
Differentials & Components

Differentials & Components

Shop differentials and components at Black Ops Auto Works for premium differentials, differential covers, differential gears, locker differentials, limited-slip differentials, install kits, rebuild kits, bushings, seals, yokes, spider gears, and final drive components for cars, trucks, SUVs, and off-road builds. Whether you are upgrading for better traction, stronger power delivery, improved durability, or drivetrain reliability, this collection includes the parts needed for street, towing, racing, and off-road applications. Shop Differentials & Components by Category Browse drivetrain and axle upgrades across popular product categories, including: Differentials Differential covers Differential cover gaskets Differential rebuild kits Differential install kits Differential overhaul kits Differential seal kits Differential bushings Differential mounts Differential braces Differential housings Differential dropouts Differential spider gears Differential yokes Final drive gears Wh...

View Differentials & Components Products
Drivetrain

Drivetrain

Shop drivetrain parts and accessories at Black Ops Auto Works for differentials, axles, driveshafts, clutch kits, flywheels, flexplates, shifters, transmission components, ring and pinion gears, differential braces, differential bushings, wheel hubs, wheel bearings, U-joints, valve bodies, transmission coolers, drivetrain mounts, and performance driveline upgrades. This collection is built for street cars, drag cars, track builds, trucks, Jeeps, SUVs, high-horsepower Mopar builds, imports, European performance vehicles, and off-road applications that need stronger power delivery, durability, and reliability. Use this Drivetrain collection to find the right upgrade by vehicle platform, drivetrain layout, transmission type, power level, and product category. Differentials and ring and pinion gears support traction and gearing changes, axles and driveshafts help transfer power, clutch kits and flywheels improve manual transmission performance, transmission coolers and valve bodies supp...

View Drivetrain Products
Engine

Engine

This engine parts collection covers oil catch cans, thermostats, thermostat housings, radiator components, coolant accessories, engine covers, fuse box covers, cap covers, throttle bodies, supercharger pulleys, idler pulleys, tensioner pulleys, and engine bay dress-up parts for trucks, SUVs, muscle cars, boosted builds, high-horsepower street cars, and performance vehicles that need better reliability, cooling, airflow, oil control, and under-hood styling. The collection is particularly strong for Dodge Challenger, Charger, Durango, Jeep Grand Cherokee Trackhawk, and Ram TRX platforms running 6.2L Hellcat, 6.4L HEMI, and 5.7L HEMI engines, where oil catch can and cooling upgrades address known OEM weaknesses in the PCV and thermal management systems. Import performance platforms including GM LS-based builds, Chevrolet Camaro, and Corvette applications are also represented through Mishimoto, CSF, and ZPE GripTec product lines. Builders who invest in engine bay organization and reliab...

View Engine Products
Yukon Gear & Axle

Yukon Gear & Axle

Yukon Gear & Axle provides the highest quality aftermarket drivetrain parts in the industry. Yukon products are produced using superior materials and built to tolerances that exceed OE specifications. We do drivetrain right! Yukon manufactures high performance ring & pinions, positractions, lockers, axle upgrades, rebuild kits, hubs, driveshafts, diff covers, and more. Proven at the King of the Hammers and the granite crags and outcrops of Moab, Yukon products are built for abuse so you can gear up and wheel with confidence. At Yukon Gear & Axle we make it our Mission to build quality parts that exceed expectation. It’s that simple! Our in-house engineering group utilizes state-of-the-art software to design product that’s then manufactured in partnership by some of the world’s foremost leaders in OEM manufacturing. After rigorous testing and intense quality inspection, we’re proud to call it Yukon.

View Yukon Gear & Axle Products
Military & First Responder Discounts

Military & First Responder Discount Program

Black Ops Auto Works proudly honors active duty military, veterans, National Guard, reserves, police officers, firefighters, and EMTs with an exclusive 5% discount on all performance parts and carbon fiber upgrades. Verify instantly and start saving today.

Learn More & Apply

Your cart

×