If you're looking to upgrade your ride with some serious comfort and style, the BROTHERS universal bucket seat mounting frame is definitely worth a look. Built specifically to pair with the BROTHERS Sport Bucket Seats, this frame is like the sturdy backbone of your seating setup. Just a heads up, you might need to do a bit of fabrication to get these brackets to fit snugly on your truck floor, but that’s just part of the fun, right?
Now, let’s talk about what makes this frame stand out. It’s crafted from heavy-duty 1/8" and 3/16" steel, so you know it’s built to last. No flimsy materials here—this thing is tough as nails. Plus, the black powder-coated finish not only looks sleek but also adds an extra layer of durability. It’s designed to handle the bumps and bruises of the road, so you can focus on the drive instead of worrying about your seats.
Here’s the kicker: this mounting frame is compatible with a ton of classic Chevy and GMC models, from the 1948 Fleetline to the '87 GMC R3500. Whether you’ve got a vintage Chevy Blazer or a sturdy GMC Jimmy, you’re covered. Check out the full fitment list below to see if your truck makes the cut:
For those of you who like to see things in action, there’s a handy video that walks you through the installation process. It’s always nice to have a visual guide when you’re diving into a project like this.
In short, if you want a solid mounting frame that’s built for the long haul and works seamlessly with your BROTHERS Sport Bucket Seats, this is it. It’s a straightforward upgrade that can make a world of difference in your ride. So roll up your sleeves, grab those tools, and get ready to elevate your truck’s interior!
⚠ WARNING:
Cancer and Reproductive Harm
https://www.P65Warnings.ca.gov
| Vehicle Make/Model | Year | Trims |
|---|---|---|
| Chevrolet 1500 | 1954 | Base |
| Chevrolet 3B | 1959 | 3200 |
| Chevrolet 3C | 1959 | 3400 |
| Chevrolet 3D | 1959 | 3500 |
| Chevrolet 3E | 1959 | 3600 |
| Chevrolet 3F | 1959 | 3700 |
| Chevrolet Blazer | 1969-1974 | Base |
| Chevrolet Blazer | 1987 | Custom Deluxe |
| Chevrolet Blazer | 1987 | Silverado |
| Chevrolet C10 | 1975-1981 | Cheyenne |
| Chevrolet C10 | 1975-1986 | Custom |
| Chevrolet C10 | 1975-1986 | Silverado |
| Chevrolet C10 | 1975-1986 | Scottsdale |
| Chevrolet C10 | 1975-1980 | Custom Deluxe |
| Chevrolet C10 | 1978-1980 | Big Ten |
| Chevrolet C10 | 1981 | Deluxe |
| 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 | Custom Deluxe |
| Chevrolet C10 Suburban | 1975-1980, 1982-1986 | Silverado |
| Chevrolet C10 Suburban | 1975-1980, 1982, 1984-1986 | Scottsdale |
| Chevrolet C10 Suburban | 1981 | Deluxe |
| Chevrolet C10 Suburban | 1981-1986 | Custom |
| Chevrolet C15 | 1982-1986 | Custom |
| Chevrolet C15 | 1982-1986 | Cheyenne |
| Chevrolet C15 | 1984 | Sport |
| Chevrolet C15 | 1987-1988 | Base |
| Chevrolet C20 | 1975-1986 | Silverado |
| Chevrolet C20 | 1975-1980 | Custom Deluxe |
| Chevrolet C20 | 1975-1986 | Scottsdale |
| Chevrolet C20 | 1975-1981, 1986-1987 | Cheyenne |
| Chevrolet C20 | 1981 | Deluxe |
| Chevrolet C20 | 1981-1986 | Custom |
| Chevrolet C20 | 1986-1987 | Base |
| Chevrolet C20 Panel | 1967 | Base |
| Chevrolet C20 Pickup | 1960-1974 | Base |
| Chevrolet C20 Suburban | 1967-1969, 1971-1974 | Base |
| Chevrolet C20 Suburban | 1975-1980, 1982, 1984-1986 | Scottsdale |
| Chevrolet C20 Suburban | 1975-1980 | Custom Deluxe |
| Chevrolet C20 Suburban | 1975-1977, 1979-1980, 1982-1986 | Silverado |
| Chevrolet C20 Suburban | 1981-1986 | Custom |
| Chevrolet C20 Suburban | 1981 | Deluxe |
| Chevrolet C30 | 1975-1981 | Cheyenne |
| Chevrolet C30 | 1975-1986 | Silverado |
| Chevrolet C30 | 1975-1986 | Scottsdale |
| Chevrolet C30 | 1975-1982 | Base |
| Chevrolet C30 | 1975-1980 | Custom Deluxe |
| Chevrolet C30 | 1981 | Deluxe |
| Chevrolet C30 | 1981-1986 | Custom |
| Chevrolet C30 Panel | 1960-1966 | Base |
| Chevrolet C30 Pickup | 1960-1974 | Base |
| Chevrolet C35 | 1983-1987 | Base |
| Chevrolet Fleetline | 1948 | Base |
| Chevrolet Fleetline | 1949-1952 | Special |
| Chevrolet Fleetline | 1949-1952 | Deluxe |
| Chevrolet Fleetline Truck | 1948 | Base |
| Chevrolet Fleetline Truck | 1949-1952 | Deluxe |
| Chevrolet Fleetline Truck | 1949-1952 | Special |
| Chevrolet Fleetmaster | 1948 | Base |
| Chevrolet K10 Pickup | 1960-1974 | Base |
| Chevrolet K10 Suburban | 1967-1969, 1971-1974 | Base |
| Chevrolet K10 Suburban | 1975-1980 | Custom Deluxe |
| Chevrolet K10 Suburban | 1975-1977, 1979-1980, 1982-1983, 1985-1986 | Silverado |
| Chevrolet K10 Suburban | 1975-1980, 1982, 1984-1986 | Scottsdale |
| Chevrolet K10 Suburban | 1981 | Deluxe |
| Chevrolet K10 Suburban | 1981-1986 | Custom |
| Chevrolet K20 | 1975-1981 | Cheyenne |
| Chevrolet K20 | 1975-1980 | Custom Deluxe |
| Chevrolet K20 | 1975-1983, 1985-1986 | Silverado |
| Chevrolet K20 | 1975-1986 | Scottsdale |
| Chevrolet K20 | 1981-1986 | Custom |
| Chevrolet K20 | 1981 | Deluxe |
| Chevrolet K20 Panel | 1967 | Base |
| Chevrolet K20 Pickup | 1960-1974 | Base |
| Chevrolet K20 Suburban | 1967-1969, 1971-1974 | Base |
| Chevrolet K20 Suburban | 1975-1980 | Custom Deluxe |
| Chevrolet K20 Suburban | 1975-1980, 1982, 1984-1986 | Scottsdale |
| Chevrolet K20 Suburban | 1975-1977, 1979-1980, 1982-1983, 1985-1986 | Silverado |
| Chevrolet K20 Suburban | 1981 | Deluxe |
| Chevrolet K20 Suburban | 1981-1986 | Custom |
| Chevrolet K30 | 1977-1981 | Cheyenne |
| Chevrolet K30 | 1977-1986 | Silverado |
| Chevrolet K30 | 1977-1980 | Custom Deluxe |
| Chevrolet K30 | 1977-1986 | Scottsdale |
| Chevrolet K30 | 1981 | Deluxe |
| Chevrolet K30 | 1981-1986 | Custom |
| 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, 1980-1986 | Silverado |
| Chevrolet K5 Blazer | 1981-1986 | Custom |
| Chevrolet K5 Blazer | 1981 | Deluxe |
| Chevrolet K5 Blazer | 1984 | Scottsdale |
| Chevrolet R10 | 1987 | Silverado |
| Chevrolet R10 | 1987 | Scottsdale |
| Chevrolet R10 | 1987 | Custom Deluxe |
| Chevrolet R10 Suburban | 1987-1988 | Scottsdale |
| Chevrolet R10 Suburban | 1987-1988 | Silverado |
| Chevrolet R10 Suburban | 1987 | Custom Deluxe |
| Chevrolet R20 | 1987-1988 | Scottsdale |
| Chevrolet R20 | 1987-1988 | Custom Deluxe |
| Chevrolet R20 | 1987-1988 | Silverado |
| Chevrolet R20 | 1988 | Cheyenne |
| Chevrolet R20 Suburban | 1987-1988 | Silverado |
| Chevrolet R20 Suburban | 1987 | Custom Deluxe |
| Chevrolet R20 Suburban | 1987-1988 | Scottsdale |
| Chevrolet R30 | 1987-1988 | Custom Deluxe |
| Chevrolet R30 | 1987-1988 | Silverado |
| Chevrolet R30 | 1987-1988 | Scottsdale |
| Chevrolet R30 | 1988 | Cheyenne |
| Chevrolet S10 Blazer | 1987 | High Country |
| Chevrolet S10 Blazer | 1987 | Sport |
| Chevrolet S10 Blazer | 1987 | Base |
| Chevrolet S10 Blazer | 1987 | Tahoe |
| Chevrolet Sedan Delivery | 1955-1957 | Base |
| Chevrolet Suburban | 1960-1966, 1987-1988 | Base |
| Chevrolet Truck | 1948-1958 | 3600 |
| Chevrolet Truck | 1948-1958 | 3800 |
| Chevrolet Truck | 1948-1954 | 3900 |
| Chevrolet Truck | 1948-1958 | 3700 |
| Chevrolet Truck | 1948-1959 | 3100 |
| Chevrolet Truck | 1948-1958, 1960 | Base |
| Chevrolet Truck | 1955-1958 | 3400 |
| Chevrolet Truck | 1955-1958 | 3200 |
| Chevrolet Truck | 1955-1958 | 3500 |
| Chevrolet V10 | 1987 | Scottsdale |
| Chevrolet V10 | 1987 | Custom Deluxe |
| Chevrolet V10 | 1987 | Silverado |
| Chevrolet V10 Suburban | 1987-1988 | Silverado |
| Chevrolet V10 Suburban | 1987 | Custom Deluxe |
| Chevrolet V10 Suburban | 1987-1988 | Scottsdale |
| Chevrolet V20 | 1987 | Custom Deluxe |
| Chevrolet V20 | 1987 | Silverado |
| Chevrolet V20 | 1987 | Scottsdale |
| Chevrolet V20 Suburban | 1987 | Custom Deluxe |
| Chevrolet V20 Suburban | 1987-1988 | Scottsdale |
| Chevrolet V20 Suburban | 1987-1988 | Silverado |
| Chevrolet V30 | 1987-1988 | Scottsdale |
| Chevrolet V30 | 1987-1988 | Silverado |
| Chevrolet V30 | 1987-1988 | Custom Deluxe |
| Chevrolet V30 | 1988 | Cheyenne |
| GMC 1000 Series | 1960-1965 | Base |
| GMC 1500 Series | 1960-1965 | Base |
| GMC 2500 Series | 1960-1965 | Base |
| GMC C15 | 1975-1978 | High Sierra |
| GMC C15 | 1975-1978 | Base |
| GMC C15 | 1975-1978 | Sierra Classic |
| GMC C15 | 1975-1978 | Sierra Grande |
| GMC C15 | 1977 | Indy Hauler |
| GMC C15 | 1977-1978 | Heavy Half |
| GMC C15 | 1978 | Street Coupe |
| GMC C15 Suburban | 1975-1978 | High Sierra |
| GMC C15 Suburban | 1975-1978 | Sierra Classic |
| GMC C15 Suburban | 1975-1978 | Base |
| GMC C15 Suburban | 1975-1978 | Sierra Grande |
| GMC C15/C1500 Suburban | 1967 | Base |
| GMC C1500 | 1979-1986 | High Sierra |
| GMC C1500 | 1979-1986 | Sierra Classic |
| GMC C1500 | 1979-1986 | Base |
| GMC C1500 | 1979-1982 | Sierra Grande |
| GMC C1500 | 1979-1980 | Heavy Half |
| GMC C1500 | 1979-1982 | Street Coupe |
| GMC C1500 Suburban | 1979-1986 | Base |
| GMC C1500 Suburban | 1979-1986 | Sierra Classic |
| GMC C1500 Suburban | 1979-1982 | Sierra Grande |
| GMC C1500 Suburban | 1979-1986 | High Sierra |
| GMC C25 | 1975-1978 | Base |
| GMC C25 | 1975-1978 | Sierra Grande |
| GMC C25 | 1975-1978 | High Sierra |
| GMC C25 | 1975-1978 | Sierra Classic |
| GMC C25 Suburban | 1975-1978 | Sierra Grande |
| GMC C25 Suburban | 1975-1978 | Base |
| GMC C25 Suburban | 1975-1978 | Sierra Classic |
| GMC C25 Suburban | 1975-1978 | High Sierra |
| GMC C2500 | 1979-1986 | Base |
| GMC C2500 | 1979-1986 | High Sierra |
| GMC C2500 | 1979-1986 | Sierra Classic |
| GMC C2500 | 1979-1982 | Sierra Grande |
| GMC C2500 Suburban | 1979-1986 | Sierra Classic |
| GMC C2500 Suburban | 1979-1982 | Sierra Grande |
| GMC C2500 Suburban | 1979-1986 | High Sierra |
| GMC C2500 Suburban | 1979-1986 | Base |
| GMC C35 | 1975-1978 | Sierra Grande |
| GMC C35 | 1975-1978 | Sierra Classic |
| GMC C35 | 1975-1978 | Base |
| GMC C35 | 1975-1978 | High Sierra |
| GMC C3500 | 1979-1986 | Sierra Classic |
| GMC C3500 | 1979-1986 | High Sierra |
| GMC C3500 | 1979-1982 | Sierra Grande |
| GMC C3500 | 1979-1986 | Base |
| GMC I1000 | 1966 | Base |
| GMC I1500 | 1966 | Base |
| GMC I2500 | 1966 | Base |
| GMC Jimmy | 1970-1987 | Base |
| GMC Jimmy | 1975-1987 | Sierra Classic |
| GMC Jimmy | 1975-1985 | High Sierra |
| GMC Jimmy | 1975-1982 | Sierra Grande |
| GMC Jimmy | 1978-1982 | Street Coupe |
| GMC Jimmy | 1986 | Silverado |
| GMC K15 | 1975-1978 | Base |
| GMC K15 | 1975-1978 | Sierra Classic |
| 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 | High Sierra |
| GMC K15 Suburban | 1975-1978 | Sierra Classic |
| GMC K15 Suburban | 1975-1978 | Base |
| GMC K15/K1500 Suburban | 1967 | Base |
| GMC K1500 | 1979-1986 | Base |
| GMC K1500 | 1979-1986 | Sierra Classic |
| GMC K1500 | 1979-1982 | Sierra Grande |
| GMC K1500 | 1979-1986 | High Sierra |
| GMC K1500 Suburban | 1979-1986 | Base |
| GMC K1500 Suburban | 1979-1986 | Sierra Classic |
| GMC K1500 Suburban | 1979-1986 | High Sierra |
| GMC K1500 Suburban | 1979-1982 | Sierra Grande |
| GMC K25 | 1975-1978 | Base |
| GMC K25 | 1975-1978 | Sierra Classic |
| GMC K25 | 1975-1978 | Sierra Grande |
| GMC K25 | 1975-1978 | High Sierra |
| GMC K25 Suburban | 1975-1978 | High Sierra |
| GMC K25 Suburban | 1975-1978 | Sierra Classic |
| GMC K25 Suburban | 1975-1978 | Base |
| GMC K25 Suburban | 1975-1978 | Sierra Grande |
| GMC K25/K2500 Suburban | 1967 | Base |
| GMC K2500 | 1979-1986 | Base |
| GMC K2500 | 1979-1986 | Sierra Classic |
| GMC K2500 | 1979-1986 | High Sierra |
| GMC K2500 | 1979-1982 | Sierra Grande |
| GMC K2500 Suburban | 1979-1986 | High Sierra |
| GMC K2500 Suburban | 1979-1986 | Sierra Classic |
| GMC K2500 Suburban | 1979-1986 | Base |
| GMC K2500 Suburban | 1979-1982 | Sierra Grande |
| GMC K35 | 1977-1978 | Sierra Classic |
| GMC K35 | 1977-1978 | Sierra Grande |
| GMC K35 | 1977-1978 | High Sierra |
| GMC K35 | 1977-1978 | Base |
| GMC K35/K3500 Pickup | 1973-1974 | Base |
| GMC K3500 | 1979-1986 | Sierra Classic |
| GMC K3500 | 1979-1986 | Base |
| GMC K3500 | 1979-1986 | High Sierra |
| GMC K3500 | 1979-1982 | Sierra Grande |
| GMC R1500 | 1987 | High Sierra |
| GMC R1500 | 1987 | Base |
| GMC R1500 | 1987 | Sierra Classic |
| GMC R2500 | 1987 | Sierra Classic |
| GMC R2500 | 1987 | High Sierra |
| GMC R2500 | 1987 | Base |
| GMC R3500 | 1987 | Base |
| GMC R3500 | 1987 | Sierra Classic |
| GMC R3500 | 1987 | High Sierra |
| GMC V1500 | 1987 | High Sierra |
| GMC V1500 | 1987 | Base |
| GMC V1500 | 1987 | Sierra Classic |
| GMC V2500 | 1987 | Sierra Classic |
| GMC V2500 | 1987 | Base |
| GMC V2500 | 1987 | High Sierra |
| GMC V3500 | 1987 | Sierra Classic |
| GMC V3500 | 1987 | High Sierra |
| GMC V3500 | 1987 | Base |