Voice or type your vehicle details and Wrenchy will confirm fitment in seconds.
| Attribute | Value |
|---|---|
| App/Model | Gm 10.5 |
| Cover Bolt Quantity | 14 |
| Differential Carrier Break | 4.56 Ratio And Higher |
| Differential Case Design Type | Gm 10.5 |
| Gear Ratio | 4.56 |
| Pinion Shaft Diameter | 1.75 |
| Pinion Spline Count | 30 |
| Ring & Pinion Gear Ratio | 4.56 |
| Ring Gear Diameter | 10.5 |
| Ring Gear Material | 8620 Steel |
| Ring Gear Outside Diameter | 10.5 |
| Ring Gear Rotation | Standard |
| Ring Gear Tooth Quantity | 41 |
| Taxonomy A | Ld Differential |
| Taxonomy B | Ring And Pinion |
| Taxonomy C | Rear |
| Taxonomy D | 4.56 |
This part fits the following vehicles:
| SubmodelSUB- MODEL |
Body Style | Years | Engine | Attributes |
|---|---|---|---|---|
| Base | Cab & Chassis | 1975 - 1978, 1980 - 1982 | L6 4.1L | RWD Manual |
| Base | Cab & Chassis | 1975 - 1978, 1980 - 1982 | L6 4.8L | RWD Manual |
| Base | Cab & Chassis | 1975 - 1978, 1980 - 1982 | V8 5.7L | RWD Manual |
| Base | Standard Cab Pickup | 1975 - 1979 | L6 4.1L | RWD Manual |
| Base | Standard Cab Pickup | 1975 - 1979 | L6 4.8L | RWD Manual |
| Base | Standard Cab Pickup | 1975 - 1979 | V8 5.7L | RWD Manual |
| Cheyenne | Cab & Chassis | 1978 | V8 5.0L | RWD Automatic & Manual |
| Cheyenne | Cab & Chassis | 1978 | V8 5.0L | RWD Automatic & Manual |
| Cheyenne | Cab & Chassis | 1978 | V8 5.7L DIESEL | RWD Automatic & Manual |
| Cheyenne | Cab & Chassis | 1978 | V8 5.7L DIESEL | RWD Automatic & Manual |
| Cheyenne | Cab & Chassis | 1976 - 1978 | V8 6.6L | RWD Automatic & Manual |
| Cheyenne | Cab & Chassis | 1976 - 1978 | V8 6.6L | RWD Automatic & Manual |
| Cheyenne | Cab & Chassis | 1975, 1978, 1980 | L6 4.1L | RWD Automatic & Manual |
| Cheyenne | Cab & Chassis | 1975, 1978, 1980 | L6 4.1L | RWD Automatic & Manual |
| Cheyenne | Cab & Chassis | 1975 - 1981 | L6 4.8L | RWD Automatic & Manual |
| Cheyenne | Cab & Chassis | 1975 - 1981 | L6 4.8L | RWD Automatic & Manual |
| Cheyenne | Cab & Chassis | 1975 - 1981 | V8 5.7L | RWD Automatic & Manual |
| Cheyenne | Cab & Chassis | 1975 - 1981 | V8 5.7L | RWD Automatic & Manual |
| Cheyenne | Cab & Chassis | 1975 - 1981 | V8 7.4L | RWD Automatic & Manual |
| Cheyenne | Cab & Chassis | 1975 - 1981 | V8 7.4L | RWD Automatic & Manual |
| Cheyenne | Crew Cab Pickup | 1978 | V8 5.0L | RWD Automatic & Manual |
| Cheyenne | Crew Cab Pickup | 1978 | V8 5.7L DIESEL | RWD Automatic & Manual |
| Cheyenne | Crew Cab Pickup | 1976 - 1978 | V8 6.6L | RWD Automatic & Manual |
| Cheyenne | Crew Cab Pickup | 1975, 1978, 1980 | L6 4.1L | RWD Automatic & Manual |
| Cheyenne | Crew Cab Pickup | 1975 - 1981 | L6 4.8L | RWD Automatic & Manual |
| Cheyenne | Crew Cab Pickup | 1975 - 1981 | V8 5.7L | RWD Automatic & Manual |
| Cheyenne | Crew Cab Pickup | 1975 - 1981 | V8 7.4L | RWD Automatic & Manual |
| Cheyenne | Standard Cab Pickup | 1978 | V8 5.0L | RWD Automatic & Manual |
| Cheyenne | Standard Cab Pickup | 1978 | V8 5.7L DIESEL | RWD Automatic & Manual |
| Cheyenne | Standard Cab Pickup | 1976 - 1978 | V8 6.6L | RWD Automatic & Manual |
| Cheyenne | Standard Cab Pickup | 1975, 1978, 1980 | L6 4.1L | RWD Automatic & Manual |
| Cheyenne | Standard Cab Pickup | 1975 - 1981 | L6 4.8L | RWD Automatic & Manual |
| Cheyenne | Standard Cab Pickup | 1975 - 1981 | V8 5.7L | RWD Automatic & Manual |
| Cheyenne | Standard Cab Pickup | 1975 - 1981 | V8 7.4L | RWD Automatic & Manual |
| Custom | Cab & Chassis | 1982 - 1986 | V8 6.2L DIESEL | RWD Automatic & Manual |
| Custom | Cab & Chassis | 1982 - 1986 | V8 6.2L DIESEL | RWD Automatic & Manual |
| Custom | Cab & Chassis | 1981 - 1986 | L6 4.8L | RWD Automatic & Manual |
| Custom | Cab & Chassis | 1981 - 1986 | L6 4.8L | RWD Automatic & Manual |
| Custom | Cab & Chassis | 1981 - 1986 | V8 5.7L | RWD Automatic & Manual |
| Custom | Cab & Chassis | 1981 - 1986 | V8 5.7L | RWD Automatic & Manual |
| Custom | Cab & Chassis | 1981 - 1986 | V8 7.4L | RWD Automatic & Manual |
| Custom | Cab & Chassis | 1981 - 1986 | V8 7.4L | RWD Automatic & Manual |
| Custom | Crew Cab Pickup | 1982 - 1986 | V8 6.2L DIESEL | RWD Automatic & Manual |
| Custom | Crew Cab Pickup | 1981 - 1986 | L6 4.8L | RWD Automatic & Manual |
| Custom | Crew Cab Pickup | 1981 - 1986 | V8 5.7L | RWD Automatic & Manual |
| Custom | Crew Cab Pickup | 1981 - 1986 | V8 7.4L | RWD Automatic & Manual |
| Custom | Standard Cab Pickup | 1982 - 1986 | V8 6.2L DIESEL | RWD Automatic & Manual |
| Custom | Standard Cab Pickup | 1981 - 1986 | L6 4.8L | RWD Automatic & Manual |
| Custom | Standard Cab Pickup | 1981 - 1986 | V8 5.7L | RWD Automatic & Manual |
| Custom | Standard Cab Pickup | 1981 - 1986 | V8 7.4L | RWD Automatic & Manual |
| Custom Deluxe | Cab & Chassis | 1978 | V8 5.0L | RWD Automatic & Manual |
| Custom Deluxe | Cab & Chassis | 1978 | V8 5.0L | RWD Automatic & Manual |
| Custom Deluxe | Cab & Chassis | 1978 | V8 5.7L DIESEL | RWD Automatic & Manual |
| Custom Deluxe | Cab & Chassis | 1978 | V8 5.7L DIESEL | RWD Automatic & Manual |
| Custom Deluxe | Cab & Chassis | 1976 - 1978 | V8 6.6L | RWD Automatic & Manual |
| Custom Deluxe | Cab & Chassis | 1976 - 1978 | V8 6.6L | RWD Automatic & Manual |
| Custom Deluxe | Cab & Chassis | 1975, 1978, 1980 | L6 4.1L | RWD Automatic & Manual |
| Custom Deluxe | Cab & Chassis | 1975, 1978, 1980 | L6 4.1L | RWD Automatic & Manual |
| Custom Deluxe | Cab & Chassis | 1975 - 1980 | L6 4.8L | RWD Automatic & Manual |
| Custom Deluxe | Cab & Chassis | 1975 - 1980 | L6 4.8L | RWD Automatic & Manual |
| Custom Deluxe | Cab & Chassis | 1975 - 1980 | V8 5.7L | RWD Automatic & Manual |
| Custom Deluxe | Cab & Chassis | 1975 - 1980 | V8 5.7L | RWD Automatic & Manual |
| Custom Deluxe | Cab & Chassis | 1975 - 1980 | V8 7.4L | RWD Automatic & Manual |
| Custom Deluxe | Cab & Chassis | 1975 - 1980 | V8 7.4L | RWD Automatic & Manual |
| Custom Deluxe | Crew Cab Pickup | 1978 | V8 5.0L | RWD Automatic & Manual |
| Custom Deluxe | Crew Cab Pickup | 1978 | V8 5.7L DIESEL | RWD Automatic & Manual |
| Custom Deluxe | Crew Cab Pickup | 1976 - 1978 | V8 6.6L | RWD Automatic & Manual |
| Custom Deluxe | Crew Cab Pickup | 1975, 1978, 1980 | L6 4.1L | RWD Automatic & Manual |
| Custom Deluxe | Crew Cab Pickup | 1975 - 1980 | L6 4.8L | RWD Automatic & Manual |
| Custom Deluxe | Crew Cab Pickup | 1975 - 1980 | V8 5.7L | RWD Automatic & Manual |
| Custom Deluxe | Crew Cab Pickup | 1975 - 1980 | V8 7.4L | RWD Automatic & Manual |
| Custom Deluxe | Standard Cab Pickup | 1978 | V8 5.0L | RWD Automatic & Manual |
| Custom Deluxe | Standard Cab Pickup | 1978 | V8 5.7L DIESEL | RWD Automatic & Manual |
| Custom Deluxe | Standard Cab Pickup | 1976 - 1978 | V8 6.6L | RWD Automatic & Manual |
| Custom Deluxe | Standard Cab Pickup | 1975, 1978, 1980 | L6 4.1L | RWD Automatic & Manual |
| Custom Deluxe | Standard Cab Pickup | 1975 - 1980 | L6 4.8L | RWD Automatic & Manual |
| Custom Deluxe | Standard Cab Pickup | 1975 - 1980 | V8 5.7L | RWD Automatic & Manual |
| Custom Deluxe | Standard Cab Pickup | 1975 - 1980 | V8 7.4L | RWD Automatic & Manual |
| Deluxe | Cab & Chassis | 1981 | L6 4.8L | RWD Automatic & Manual |
| Deluxe | Cab & Chassis | 1981 | L6 4.8L | RWD Automatic & Manual |
| Deluxe | Cab & Chassis | 1981 | V8 5.7L | RWD Automatic & Manual |
| Deluxe | Cab & Chassis | 1981 | V8 5.7L | RWD Automatic & Manual |
| Deluxe | Cab & Chassis | 1981 | V8 7.4L | RWD Automatic & Manual |
| Deluxe | Cab & Chassis | 1981 | V8 7.4L | RWD Automatic & Manual |
| Deluxe | Crew Cab Pickup | 1981 | L6 4.8L | RWD Automatic & Manual |
| Deluxe | Crew Cab Pickup | 1981 | V8 5.7L | RWD Automatic & Manual |
| Deluxe | Crew Cab Pickup | 1981 | V8 7.4L | RWD Automatic & Manual |
| Deluxe | Standard Cab Pickup | 1981 | L6 4.8L | RWD Automatic & Manual |
| Deluxe | Standard Cab Pickup | 1981 | V8 5.7L | RWD Automatic & Manual |
| Deluxe | Standard Cab Pickup | 1981 | V8 7.4L | RWD Automatic & Manual |
| Scottsdale | Cab & Chassis | 1982 - 1986 | V8 6.2L DIESEL | RWD Automatic & Manual |
| Scottsdale | Cab & Chassis | 1982 - 1986 | V8 6.2L DIESEL | RWD Automatic & Manual |
| Scottsdale | Cab & Chassis | 1978 | V8 5.0L | RWD Automatic & Manual |
| Scottsdale | Cab & Chassis | 1978 | V8 5.0L | RWD Automatic & Manual |
| Scottsdale | Cab & Chassis | 1978 | V8 5.7L DIESEL | RWD Automatic & Manual |
| Scottsdale | Cab & Chassis | 1978 | V8 5.7L DIESEL | RWD Automatic & Manual |
| Scottsdale | Cab & Chassis | 1976 - 1978 | V8 6.6L | RWD Automatic & Manual |
| Scottsdale | Cab & Chassis | 1976 - 1978 | V8 6.6L | RWD Automatic & Manual |
| Scottsdale | Cab & Chassis | 1975, 1978, 1980 | L6 4.1L | RWD Automatic & Manual |
| Scottsdale | Cab & Chassis | 1975, 1978, 1980 | L6 4.1L | RWD Automatic & Manual |
| Scottsdale | Cab & Chassis | 1975 - 1986 | L6 4.8L | RWD Automatic & Manual |
| Scottsdale | Cab & Chassis | 1975 - 1986 | L6 4.8L | RWD Automatic & Manual |
| Scottsdale | Cab & Chassis | 1975 - 1986 | V8 5.7L | RWD Automatic & Manual |
| Scottsdale | Cab & Chassis | 1975 - 1986 | V8 5.7L | RWD Automatic & Manual |
| Scottsdale | Cab & Chassis | 1975 - 1986 | V8 7.4L | RWD Automatic & Manual |
| Scottsdale | Cab & Chassis | 1975 - 1986 | V8 7.4L | RWD Automatic & Manual |
| Scottsdale | Crew Cab Pickup | 1982 - 1986 | V8 6.2L DIESEL | RWD Automatic & Manual |
| Scottsdale | Crew Cab Pickup | 1978 | V8 5.0L | RWD Automatic & Manual |
| Scottsdale | Crew Cab Pickup | 1978 | V8 5.7L DIESEL | RWD Automatic & Manual |
| Scottsdale | Crew Cab Pickup | 1976 - 1978 | V8 6.6L | RWD Automatic & Manual |
| Scottsdale | Crew Cab Pickup | 1975, 1978, 1980 | L6 4.1L | RWD Automatic & Manual |
| Scottsdale | Crew Cab Pickup | 1975 - 1986 | L6 4.8L | RWD Automatic & Manual |
| Scottsdale | Crew Cab Pickup | 1975 - 1986 | V8 5.7L | RWD Automatic & Manual |
| Scottsdale | Crew Cab Pickup | 1975 - 1986 | V8 7.4L | RWD Automatic & Manual |
| Scottsdale | Standard Cab Pickup | 1982 - 1986 | V8 6.2L DIESEL | RWD Automatic & Manual |
| Scottsdale | Standard Cab Pickup | 1978 | V8 5.0L | RWD Automatic & Manual |
| Scottsdale | Standard Cab Pickup | 1978 | V8 5.7L DIESEL | RWD Automatic & Manual |
| Scottsdale | Standard Cab Pickup | 1976 - 1978 | V8 6.6L | RWD Automatic & Manual |
| Scottsdale | Standard Cab Pickup | 1975, 1978, 1980 | L6 4.1L | RWD Automatic & Manual |
| Scottsdale | Standard Cab Pickup | 1975 - 1986 | L6 4.8L | RWD Automatic & Manual |
| Scottsdale | Standard Cab Pickup | 1975 - 1986 | V8 5.7L | RWD Automatic & Manual |
| Scottsdale | Standard Cab Pickup | 1975 - 1986 | V8 7.4L | RWD Automatic & Manual |
| Silverado | Cab & Chassis | 1982 - 1986 | V8 6.2L DIESEL | RWD Automatic & Manual |
| Silverado | Cab & Chassis | 1982 - 1986 | V8 6.2L DIESEL | RWD Automatic & Manual |
| Silverado | Cab & Chassis | 1978 | V8 5.0L | RWD Automatic & Manual |
| Silverado | Cab & Chassis | 1978 | V8 5.0L | RWD Automatic & Manual |
| Silverado | Cab & Chassis | 1978 | V8 5.7L DIESEL | RWD Automatic & Manual |
| Silverado | Cab & Chassis | 1978 | V8 5.7L DIESEL | RWD Automatic & Manual |
| Silverado | Cab & Chassis | 1976 - 1978 | V8 6.6L | RWD Automatic & Manual |
| Silverado | Cab & Chassis | 1976 - 1978 | V8 6.6L | RWD Automatic & Manual |
| Silverado | Cab & Chassis | 1975, 1978, 1980 | L6 4.1L | RWD Automatic & Manual |
| Silverado | Cab & Chassis | 1975, 1978, 1980 | L6 4.1L | RWD Automatic & Manual |
| Silverado | Cab & Chassis | 1975 - 1986 | L6 4.8L | RWD Automatic & Manual |
| Silverado | Cab & Chassis | 1975 - 1986 | L6 4.8L | RWD Automatic & Manual |
| Silverado | Cab & Chassis | 1975 - 1986 | V8 5.7L | RWD Automatic & Manual |
| Silverado | Cab & Chassis | 1975 - 1986 | V8 5.7L | RWD Automatic & Manual |
| Silverado | Cab & Chassis | 1975 - 1986 | V8 7.4L | RWD Automatic & Manual |
| Silverado | Cab & Chassis | 1975 - 1986 | V8 7.4L | RWD Automatic & Manual |
| Silverado | Crew Cab Pickup | 1982 - 1986 | V8 6.2L DIESEL | RWD Automatic & Manual |
| Silverado | Crew Cab Pickup | 1978 | V8 5.0L | RWD Automatic & Manual |
| Silverado | Crew Cab Pickup | 1978 | V8 5.7L DIESEL | RWD Automatic & Manual |
| Silverado | Crew Cab Pickup | 1976 - 1978 | V8 6.6L | RWD Automatic & Manual |
| Silverado | Crew Cab Pickup | 1975, 1978, 1980 | L6 4.1L | RWD Automatic & Manual |
| Silverado | Crew Cab Pickup | 1975 - 1986 | L6 4.8L | RWD Automatic & Manual |
| Silverado | Crew Cab Pickup | 1975 - 1986 | V8 5.7L | RWD Automatic & Manual |
| Silverado | Crew Cab Pickup | 1975 - 1986 | V8 7.4L | RWD Automatic & Manual |
| Silverado | Standard Cab Pickup | 1982 - 1986 | V8 6.2L DIESEL | RWD Automatic & Manual |
| Silverado | Standard Cab Pickup | 1978 | V8 5.0L | RWD Automatic & Manual |
| Silverado | Standard Cab Pickup | 1978 | V8 5.7L DIESEL | RWD Automatic & Manual |
| Silverado | Standard Cab Pickup | 1976 - 1978 | V8 6.6L | RWD Automatic & Manual |
| Silverado | Standard Cab Pickup | 1975, 1978, 1980 | L6 4.1L | RWD Automatic & Manual |
| Silverado | Standard Cab Pickup | 1975 - 1986 | L6 4.8L | RWD Automatic & Manual |
| Silverado | Standard Cab Pickup | 1975 - 1986 | V8 5.7L | RWD Automatic & Manual |
| Silverado | Standard Cab Pickup | 1975 - 1986 | V8 7.4L | RWD Automatic & Manual |
We offer fast, reliable shipping on all orders:
We want you to be 100% satisfied with your purchase. That's why we offer:
This part comes with a limited lifetime warranty. Warranty begins on the original purchase date.
Warranty does NOT cover:
| Brand | Part Number |
|---|---|
| American Axle & Manufacturing | 327723 |
| American Axle & Manufacturing | 40010717 |
| American Axle & Manufacturing | 471873 |
| Dorman | 697-183 |
| EXCEL from Richmond | GM105456 |
| G2 Axle and Gear | 1-2023-456 |
| G2 Axle and Gear | 2-2023-456 |
| General Motors | 19122188 |
| General Motors | 26014194 |
| General Motors | 26026100 |
| General Motors | 26026428 |
| General Motors | 26054990 |
| Nitro Gear & Axle | GM14T-456-NG |
| OE Aftermarket | 558913 |
| Richmond Gear | SGM10503 |
| SVL | 2023932 |
| Transtar Industries | 744A730C |
| Yukon Gear and Axle | 24136 |
| Yukon Gear and Axle | YG GM14T-456 |
Fits Years: 1975 1976 1977 1978 1979 1980 1981 1982 1983 1984 1985 1986
Fits Models: C30
In operation since 2007. Trusted by over a million DIYers, mechanics, and body shops across all 50 states.
If it doesn't fit, we make it right. No gimmicks, no fine print.
Most retailers stop at 30 days. We give you a full four months to install, test, and return for a 100% refund — return shipping on us.
Brand-new aftermarket parts from trusted suppliers — built to original-equipment specifications so they fit and function like the factory unit, at a fraction of the price.