If you're looking to enhance your vehicle's performance, the USA Standard Gear ZG D44-488T is a solid choice. This ring and pinion set is designed to provide reliability and efficiency, making it a favorite among off-road enthusiasts and everyday drivers alike.
Upgrading to the ZG D44-488T can significantly improve your vehicle's handling and power delivery. The 4.88 ratio is particularly beneficial for those looking to enhance off-road capabilities or towing performance. Users have reported smoother acceleration and better control, especially when navigating tough terrains.
This set features a durable construction, designed to withstand the rigors of both on-road and off-road driving. The thick gear design allows for greater strength and longevity, ensuring that you get the most out of your investment.
Many customers have praised the ZG D44-488T for its straightforward installation and noticeable performance improvements. One satisfied user mentioned, "After installing this gear set, my Jeep feels like a whole new machine! The acceleration is fantastic, and I have more confidence on steep climbs." Another customer noted, "The quality is top-notch. I’ve put it through some tough trails, and it hasn’t skipped a beat."
Rest easy with a 1-year warranty against manufacturer defects, ensuring that you can trust your purchase.
⚠ WARNING:
Cancer and Reproductive Harm
https://www.P65Warnings.ca.gov
| Vehicle Make/Model | Year | Trims |
|---|---|---|
| Chevrolet Blazer | 1969-1974 | Base |
| Chevrolet C10 | 1975-1980 | Custom Deluxe |
| Chevrolet C10 | 1975-1980 | Custom |
| Chevrolet C10 | 1975-1980 | Cheyenne |
| Chevrolet C10 | 1975-1980 | Scottsdale |
| Chevrolet C10 | 1975-1980 | Silverado |
| Chevrolet C10 | 1978-1980 | Big Ten |
| Chevrolet C10 Panel | 1960-1967 | Base |
| Chevrolet C10 Pickup | 1960-1974 | Base |
| Chevrolet C10 Suburban | 1967-1969, 1971-1974 | Base |
| Chevrolet C10 Suburban | 1975-1980 | Scottsdale |
| Chevrolet C10 Suburban | 1975-1980 | Custom Deluxe |
| Chevrolet C10 Suburban | 1975-1980 | Silverado |
| Chevrolet C20 | 1975-1980 | Cheyenne |
| Chevrolet C20 | 1975-1980 | Silverado |
| Chevrolet C20 | 1975-1980 | Custom Deluxe |
| Chevrolet C20 | 1975-1980 | Scottsdale |
| Chevrolet C20 Panel | 1967 | Base |
| Chevrolet C20 Pickup | 1962-1974 | Base |
| Chevrolet C20 Suburban | 1967-1969, 1971-1974 | Base |
| Chevrolet C20 Suburban | 1975-1980 | Custom Deluxe |
| Chevrolet C20 Suburban | 1975-1977, 1979-1980 | Silverado |
| Chevrolet C20 Suburban | 1975-1980 | Scottsdale |
| Chevrolet C30 | 1977-1980 | Cheyenne |
| Chevrolet C30 | 1977-1980 | Custom Deluxe |
| Chevrolet C30 | 1977-1980 | Silverado |
| Chevrolet C30 | 1977-1980 | Base |
| Chevrolet C30 | 1977-1980 | Scottsdale |
| Chevrolet C30 Pickup | 1968-1974 | Base |
| Chevrolet Camaro | 1984-1985, 1992-1994 | Z28 |
| Chevrolet Camaro | 1984-1985 | Berlinetta |
| Chevrolet Camaro | 1984-1985 | Sport |
| Chevrolet Camaro | 1985 | Iroc-Z |
| Chevrolet Camaro | 1992 | RS Heritage Edition |
| Chevrolet Camaro | 1992 | Z28 Heritage Edition |
| Chevrolet Camaro | 1992 | RS |
| Chevrolet Camaro | 1993-1994 | Base |
| Chevrolet Camaro | 1993 | Indianapolis 500 Pace Car |
| Chevrolet Corvette | 1980-1982 | Base |
| Chevrolet Corvette | 1982 | Collector's Edition |
| Chevrolet G10 Van | 1967, 1969-1972 | Base |
| Chevrolet G10 Van | 1968-1972 | Sportvan |
| Chevrolet K10 | 1975-1980 | Scottsdale |
| Chevrolet K10 | 1975-1980 | Custom Deluxe |
| Chevrolet K10 | 1975-1980 | Cheyenne |
| Chevrolet K10 | 1975-1980 | Silverado |
| Chevrolet K10 Pickup | 1960-1974 | Base |
| Chevrolet K10 Suburban | 1967-1974 | Base |
| Chevrolet K10 Suburban | 1975-1977, 1979-1980 | Silverado |
| Chevrolet K10 Suburban | 1975-1980 | Scottsdale |
| Chevrolet K10 Suburban | 1975-1980 | Custom Deluxe |
| Chevrolet K20 | 1975-1980 | Custom Deluxe |
| Chevrolet K20 | 1975-1980 | Scottsdale |
| Chevrolet K20 | 1975-1980 | Cheyenne |
| Chevrolet K20 | 1975-1980 | Silverado |
| Chevrolet K20 Panel | 1967 | Base |
| Chevrolet K20 Pickup | 1962-1974 | Base |
| Chevrolet K20 Suburban | 1967-1974 | Base |
| Chevrolet K20 Suburban | 1975-1980 | Scottsdale |
| Chevrolet K20 Suburban | 1975-1977, 1979-1980 | Silverado |
| Chevrolet K20 Suburban | 1975-1980 | Custom Deluxe |
| Chevrolet K30 | 1977-1980 | Silverado |
| Chevrolet K30 | 1977-1980 | Cheyenne |
| Chevrolet K30 | 1977-1980 | Custom Deluxe |
| Chevrolet K30 | 1977-1980 | Scottsdale |
| Chevrolet K30 Pickup | 1968-1974 | Base |
| Chevrolet K5 Blazer | 1975, 1977-1980 | Custom Deluxe |
| Chevrolet K5 Blazer | 1975-1980 | Cheyenne |
| Chevrolet K5 Blazer | 1976 | Base |
| Chevrolet K5 Blazer | 1978, 1980 | Silverado |
| Chevrolet Suburban | 1960-1966 | Base |
| Dodge Ram 1500 | 1994-1996 | Base |
| Dodge Ram 1500 | 1994-1997 | Runner |
| Dodge Ram 1500 | 1994-1998 | Lujo |
| Dodge Ram 1500 | 1994-2001 | Custom |
| Dodge Ram 1500 | 1997-2001 | ST |
| Dodge Ram 1500 | 1997-2001 | Sport |
| Dodge Ram 1500 | 1997-1998 | SS/T 5.9L |
| Dodge Ram 1500 | 1997 | LT |
| Dodge Ram 1500 | 1997-2001 | Laramie |
| Dodge Ram 1500 | 1997-2001 | WS |
| Dodge Ram 1500 | 1998-2001 | R/T |
| Dodge Ram 1500 | 1999-2001 | SLT |
| Dodge Ram 1500 Van | 1995-2001 | Base |
| Dodge Ram 1500 Van | 1999-2001 | SLT |
| Dodge Ram 1500 Van | 1999-2001 | SE |
| Dodge Ram 2500 | 1994-2002 | Base |
| Dodge Ram 2500 | 1995-1998 | Lujo |
| Dodge Ram 2500 | 1995-1998 | Limited |
| Dodge Ram 2500 | 1995-1997 | Runner |
| Dodge Ram 2500 | 1995-2002 | Custom |
| Dodge Ram 2500 | 1996-1997 | Laramie |
| Dodge Ram 2500 | 1999-2002 | SLT |
| Dodge Ram 2500 Van | 1996-2002 | Base |
| Dodge Ram 2500 Van | 1999 | SLT |
| Dodge Ram 2500 Van | 1999-2002 | SE |
| Dodge Ramcharger | 1974-1993 | Base |
| Dodge Ramcharger | 1975-1980 | SE |
| Dodge Ramcharger | 1981-1993 | Royal SE |
| Dodge Ramcharger | 1991-1993 | Canyon Sport |
| Dodge W100 | 1975-1977, 1984-1989 | Custom |
| Dodge W100 Pickup | 1968-1974 | Base |
| Dodge W100 Series | 1960-1967 | Base |
| Dodge W150 | 1977-1993 | Base |
| Dodge W150 | 1990-1991 | S |
| Dodge W200 | 1975-1980 | Base |
| Dodge W200 Pickup | 1968-1974 | Base |
| Dodge W200 Series | 1960-1967 | Base |
| Dodge W250 | 1981-1993 | Base |
| Ford Bronco | 1971-1973 | Wagon |
| Ford Bronco | 1971-1974 | Base |
| Ford Bronco | 1975-1977 | Sport |
| Ford Bronco | 1975 | Northland |
| Ford Bronco | 1975-1977 | Custom |
| Ford Bronco | 1975 | Ranger |
| Ford E-100 Econoline | 1969-1974 | Club Wagon |
| Ford E-100 Econoline | 1969-1975 | Base |
| Ford E-100 Econoline | 1975 | Custom |
| Ford E-100 Econoline | 1975 | Northland |
| Ford E-100 Econoline | 1975 | Chateau |
| Ford E-100 Econoline Club Wagon | 1975 | Chateau |
| Ford E-100 Econoline Club Wagon | 1975 | Base |
| Ford E-100 Econoline Club Wagon | 1975 | Northland |
| Ford E-100 Econoline Club Wagon | 1975 | Custom |
| Ford E-150 Econoline | 1975-1979 | Chateau |
| Ford E-150 Econoline | 1975-1979 | Base |
| Ford E-150 Econoline | 1975-1978 | Northland |
| Ford E-150 Econoline | 1975-1979 | Custom |
| Ford E-150 Econoline Club Wagon | 1979 | Custom |
| Ford E-150 Econoline Club Wagon | 1979 | Base |
| Ford E-150 Econoline Club Wagon | 1979 | Chateau |
| Ford F-100 | 1953-1979 | Base |
| Ford F-100 | 1975-1979 | Ranger XLT |
| Ford F-100 | 1975-1979 | Custom |
| Ford F-100 | 1975-1978 | Northland |
| Ford F-100 | 1975-1979 | Ranger |
| Ford F-100 | 1977 | XLT |
| Ford F-100 | 1978-1979 | Ranger Lariat |
| Ford F-150 | 1975-1978 | Ranger XLT |
| Ford F-150 | 1975-1978 | Ranger |
| Ford F-150 | 1975-1978 | Northland |
| Ford F-150 | 1975-1978 | Custom |
| Ford F-150 | 1976-1978 | Base |
| Ford F-150 | 1977 | XLT |
| Ford F-150 | 1978 | Ranger Lariat |
| Ford F-250 | 1959-1974, 1976-1977 | Base |
| Ford F-250 | 1975-1977 | Northland |
| Ford F-250 | 1975-1977 | Custom |
| Ford F-250 | 1975-1977 | Ranger |
| Ford F-250 | 1975-1977 | Ranger XLT |
| Ford F-250 | 1977 | XLT |
| GMC C15 | 1975-1978 | Sierra Classic |
| GMC C15 | 1975-1978 | Sierra Grande |
| GMC C15 | 1975-1978 | High Sierra |
| GMC C15 | 1975-1978 | Base |
| GMC C15 | 1977 | Indy Hauler |
| GMC C15 | 1977-1978 | Heavy Half |
| GMC C15 | 1978 | Street Coupe |
| GMC C15 Suburban | 1975-1978 | Sierra Grande |
| GMC C15 Suburban | 1975-1978 | Base |
| GMC C15 Suburban | 1975-1978 | Sierra Classic |
| GMC C15 Suburban | 1975-1978 | High Sierra |
| GMC C15/C1500 Pickup | 1967-1968 | Base |
| GMC C15/C1500 Suburban | 1967 | Base |
| GMC C1500 | 1979-1980 | Sierra Grande |
| GMC C1500 | 1979-1980 | Base |
| GMC C1500 | 1979-1980 | High Sierra |
| GMC C1500 | 1979-1980 | Street Coupe |
| GMC C1500 | 1979-1980 | Heavy Half |
| GMC C1500 | 1979-1980 | Sierra Classic |
| GMC C1500 Suburban | 1979-1980 | Sierra Classic |
| GMC C1500 Suburban | 1979-1980 | Base |
| GMC C1500 Suburban | 1979-1980 | High Sierra |
| GMC C1500 Suburban | 1979-1980 | Sierra Grande |
| GMC C25 | 1975-1978 | Sierra Grande |
| GMC C25 | 1975-1978 | Base |
| GMC C25 | 1975-1978 | Sierra Classic |
| GMC C25 | 1975-1978 | High Sierra |
| GMC C25 Suburban | 1975-1978 | Sierra Grande |
| GMC C25 Suburban | 1975-1978 | Base |
| GMC C25 Suburban | 1975-1978 | High Sierra |
| GMC C25 Suburban | 1975-1978 | Sierra Classic |
| GMC C2500 | 1979-1980 | Base |
| GMC C2500 | 1979-1980 | Sierra Classic |
| GMC C2500 | 1979-1980 | Sierra Grande |
| GMC C2500 | 1979-1980 | High Sierra |
| GMC C2500 Suburban | 1979-1980 | Sierra Classic |
| GMC C2500 Suburban | 1979-1980 | High Sierra |
| GMC C2500 Suburban | 1979-1980 | Sierra Grande |
| GMC C2500 Suburban | 1979-1980 | Base |
| GMC G15/G1500 Van | 1967, 1970-1971 | Base |
| GMC G15/G1500 Van | 1968-1972 | Vandura |
| GMC G15/G1500 Van | 1968-1969, 1971-1972 | Rally |
| GMC G1500 | 1964-1966 | Base |
| GMC K15 | 1975-1978 | Sierra Classic |
| GMC K15 | 1975-1978 | Base |
| GMC K15 | 1975-1978 | Sierra Grande |
| GMC K15 | 1975-1978 | High Sierra |
| GMC K15 | 1977 | Indy Hauler |
| GMC K15 Suburban | 1975-1978 | Sierra Grande |
| GMC K15 Suburban | 1975-1978 | Sierra Classic |
| GMC K15 Suburban | 1975-1978 | High Sierra |
| GMC K15 Suburban | 1975-1978 | Base |
| GMC K15/K1500 Pickup | 1966-1974 | Base |
| GMC K15/K1500 Suburban | 1967-1974 | Base |
| GMC K1500 | 1979-1980 | Base |
| GMC K1500 | 1979-1980 | Sierra Classic |
| GMC K1500 | 1979-1980 | High Sierra |
| GMC K1500 | 1979-1980 | Sierra Grande |
| GMC K1500 Suburban | 1979-1980 | Base |
| GMC K1500 Suburban | 1979-1980 | Sierra Grande |
| GMC K1500 Suburban | 1979-1980 | High Sierra |
| GMC K1500 Suburban | 1979-1980 | Sierra Classic |
| GMC K25 | 1975-1978 | Sierra Grande |
| GMC K25 | 1975-1978 | High Sierra |
| GMC K25 | 1975-1978 | Sierra Classic |
| GMC K25 | 1975-1978 | Base |
| GMC K25 Suburban | 1975-1978 | Sierra Classic |
| GMC K25 Suburban | 1975-1978 | Sierra Grande |
| GMC K25 Suburban | 1975-1978 | Base |
| GMC K25 Suburban | 1975-1978 | High Sierra |
| GMC K25/K2500 Pickup | 1967-1974 | Base |
| GMC K25/K2500 Suburban | 1967-1974 | Base |
| GMC K2500 | 1979-1980 | High Sierra |
| GMC K2500 | 1979-1980 | Sierra Classic |
| GMC K2500 | 1979-1980 | Base |
| GMC K2500 | 1979-1980 | Sierra Grande |
| GMC K2500 Suburban | 1979-1980 | Sierra Classic |
| GMC K2500 Suburban | 1979-1980 | High Sierra |
| GMC K2500 Suburban | 1979-1980 | Sierra Grande |
| GMC K2500 Suburban | 1979-1980 | Base |
| GMC Suburban | 1960-1966 | Base |
| International Scout | 1968-1971 | Base |
| International Scout II | 1971-1974, 1976-1980 | Base |
| International Scout II | 1975 | XLC |
| International Scout II | 1976-1980 | Traveler |
| International Scout II | 1976-1980 | Terra |
| International Scout II | 1978-1979 | SS2 |
| Isuzu Rodeo | 1993-1997 | S |
| Isuzu Rodeo | 1993-1997 | LS |
| Jaguar 420 | 1967-1968 | Base |
| Jaguar 420 | 1967-1968 | G |
| Jaguar Mark X | 1962-1966 | Base |
| Jeep CJ5 | 1960-1983 | Base |
| Jeep CJ5 | 1975-1983 | Renegade |
| Jeep CJ5 | 1977-1980 | Golden Eagle |
| Jeep CJ5 | 1980-1983 | Laredo |
| Jeep CJ5 | 1982-1983 | Limited |
| Jeep CJ6 | 1966-1975 | Base |
| Jeep CJ7 | 1986 | Laredo |
| Jeep CJ7 | 1986 | Base |
| Jeep CJ7 | 1986 | Renegade |
| Jeep Cherokee | 1986-1990 | Pioneer |
| Jeep Cherokee | 1986-1992 | Laredo |
| Jeep Cherokee | 1986-1993 | Base |
| Jeep Cherokee | 1986-1988 | Chief |
| Jeep Cherokee | 1987-1992 | Limited |
| Jeep Cherokee | 1989-1993 | Sport |
| Jeep Cherokee | 1991-1992 | Briarwood |
| Jeep Cherokee | 1993 | Country |
| Jeep Comanche | 1986 | XLS |
| Jeep Comanche | 1986 | Custom |
| Jeep Comanche | 1986 | X |
| Jeep Comanche | 1987-1992 | Base |
| Jeep Comanche | 1987-1992 | Pioneer |
| Jeep Comanche | 1987-1988 | Chief |
| Jeep Comanche | 1987-1988 | Laredo |
| Jeep Comanche | 1988-1992 | Eliminator |
| Jeep Commando | 1966-1973 | Base |
| Jeep Grand Wagoneer | 1984-1991, 1993 | Base |
| Jeep Grand Wagoneer | 1984-1985 | Limited |
| Jeep J10 | 1974-1988 | Base |
| Jeep J10 | 1982, 1984 | Laredo |
| Jeep Scrambler | 1981-1986 | Base |
| Jeep Scrambler | 1982-1984 | SR |
| Jeep Scrambler | 1982-1983 | SL |
| Jeep Scrambler | 1985-1986 | Renegade |
| Jeep Scrambler | 1985-1986 | Laredo |
| Jeep Wagoneer | 1971-1987 | Base |
| Jeep Wagoneer | 1973-1976 | Custom |
| Jeep Wagoneer | 1979-1990 | Limited |
| Jeep Wagoneer | 1982-1983 | Brougham |
| Jeep Wagoneer | 1983-1984 | Alpina |
| Jeep Wrangler | 1997-2006 | Sport |
| Jeep Wrangler | 1997 | Base |
| Jeep Wrangler | 1997-2006 | SE |
| Jeep Wrangler | 1997-2004 | Sahara |
| Jeep Wrangler | 2001 | 60 Aniversario |
| Jeep Wrangler | 2002-2006 | X |
| Jeep Wrangler | 2003-2006 | Rubicon |
| Jeep Wrangler | 2003 | X AT |
| Jeep Wrangler | 2004-2006 | Unlimited |
| Jeep Wrangler | 2005-2006 | Unlimited Rubicon |
| Jeep Wrangler | 2006 | 65th Anniversary Edition |
| Jeep Wrangler | 2006 | X 65 Aniversario |

USA Standard Gear is a company that supplies high-quality parts for the automotive industry. They are a one-stop-shop for all your drivetrain component needs and have one of the industry's most comprehensive parts list and inventory. Today, they are considered the leading supplier of these parts in the United States.
Drivetrain ExpertsThe company offers various parts ranging from axles, differential gears, lockers, limited slips, drivelines, and more. It is built by a team of craftsmen who has years of experience when it comes to assembling and modifying their own builds. This passion is what drives the company to create some of the best products in the market.
Quality In Every ProductAll their parts are manufactured in their facility equipped with the latest and most sophisticated tools available today. They also have two high-tech testing labs to ensure that every product comes out with the company's quality.
The USA Standard Gear engineering team is constantly on edge trying to find ways to develop and further improve their products. That is why they can produce innovative parts that adapt to the changing trend in the automotive world.
Purchase USA Standard Gear at Vivid RacingIf you are in the market for reliable and top-notched drivetrain components, then USA Standard Gear is the brand for you. With years of experience developing their products, they have provided their customers with parts they could trust, whether it's a replacement component or an upgrade.
To know more about USA Standard Gear, visit Vivid Racing and check out their list of offerings that fit your specific requirement.
Upon notification of a warranty claim, USA Standard shall investigate the claim of defect, and, in the event of a verified defect, shall, at their sole choice, either repair the defective product or replace it.
This warranty does not cover, and USA Standard shall not be liable for, incidental or consequential damages, including loss of time, road service charges, labor charges, inconvenience, loss of vehicle use, loss of revenues, or loss or damage to personal property (including loss or damage to vehicle parts due to the failure of the USA Standard product). In addition, this warranty does not cover, and USA Standard shall not be liable for, any undertaking, representation, or agreements made by dealers or other third parties selling USA Standard Gear® products, except where such agreements are within the provisions of this Warranty statement. Also, this warranty does not cover damage to the axle caused by or facilitated by failure of a non-USA Standard component.
This agreement offers you specific legal rights. You may also have other rights which vary from state to state.
USA STANDARD GEAR® WARRANTY BY PRODUCT| USA Standard Product | Length of Warranty (From date of sale) | NOTES |
|---|---|---|
| Spool | As long as original purchaser owns vehicle in which Spool is originally installed | It is normal for Spools to cause tire chatter, squeal, or scrubbing when vehicle is not moving in a straight line. Both rear tires must measure the same height from ground to top of wheel for Spool to function properly without premature wear. |
| Rear Axle (1040/1050) | Five (5) Years | Covers parts for five years against manufacturing defects. |
| Front Axle (Series ZA W) | Five (5) Years | Five year warranty covering manufacturing defects and axle breakage. This warranty is not transferable to another party. “No Questions Asked†replacement for first warranty return, however, USA Standard Gear reserves the right to either replace axle or refund original purchase price after the first warranty claim. USA Standard Gear (through RANDYS Worldwide Automotive) makes final determination on warranty considerations. |
| Ring & Pinion Gear Set | One (1) Year | Warrantied against manufacturing defects for one (1) year. |
| Positraction Differential | One (1) Year | Exclusions apply, does not cover premature clutch wear or abuse. It is normal for Positraction differentials to cause tire chatter, squeal, or scrubbing when vehicle is not moving in a straight line. Both rear tires must measure the same height from ground to top of wheel for differential to function properly without premature wear. Limited slip additive or appropriate friction modifier must be used with oil to reduce Positraction chatter. |
| Spartan Locker | One (1) Year | Warrantied against manufacturers defects for one (1) year. |
| Install Kits | One (1) Year | Includes ZBK, ZPK, and ZK. Covers parts for one year against manufacturing defects. |
| Spider Gear Kits (ZIK) | One (1) Year | One year against manufacturing defects. Exclusions apply, does not cover clutch wear in limited slip differentials. |
| Replacement Driveshafts (ZDS) | One (1) Year | Warrantied against manufacturing defects for one (1) year. |