This cross sill is mounted across the frame under the wood for support. The bed strips are bolted to the cross sills giving the bed wood strength and rigidity and providing the surface to mount the bed to the truck frame. Each sill has pre-punched holes in 14 gauge steel with the original bolt pattern for your year and model.
Note: Shipped double oversize.
Applications: 1963-72 GM Fleetside truck:
Confused about wood bed parts terminology and what parts you might need to add or replace a wood bed? Click the link below to find the answers:
OER® was established in the early 1980's to manufacture original equipment reproductions where every part is meticulously reproduced to exact factory specifications. All OER® parts are reverse engineered or manufactured using original blueprints when available to ensure the closest possible reproduction available on the market. When available, original factory tooling is utilized to insure complete originality. Our mission is to supply the highest quality parts available for the enthusiast and serious restorer. Whether you're a serious restorer, or just someone who wants a replacement part for your classic vehicle, OER® is the source for the finest quality parts on the market. Today, OER® is the most recognized brand in automotive restoration parts. Choose OER® for all your restoration needs.
Many OER® products are officially licensed by General Motors and the Chrysler Group ensuring the quality and authenticity of these products. The GM Restoration Parts logo and the MOPAR Authentic Restoration Product logo are the true signs of quality. OER® is licensed by GM and the Chrysler Group as an official restoration parts manufacturer.
| Make | Model | Years |
| Chevrolet | Blazer | 1969 - 1972 |
| Chevrolet | C10 Panel | 1963 - 1967 |
| Chevrolet | C10 Pickup | 1963 - 1972 |
| Chevrolet | C10 Suburban | 1967 - 1972 |
| Chevrolet | C20 Panel | 1967 |
| Chevrolet | C20 Pickup | 1963 - 1972 |
| Chevrolet | C20 Suburban | 1967 - 1972 |
| Chevrolet | C30 Panel | 1963 - 1966 |
| Chevrolet | C30 Pickup | 1963 - 1972 |
| Chevrolet | K10 Pickup | 1963 - 1972 |
| Chevrolet | K10 Suburban | 1967 - 1972 |
| Chevrolet | K20 Panel | 1967 |
| Chevrolet | K20 Pickup | 1963 - 1972 |
| Chevrolet | K20 Suburban | 1967 - 1972 |
| Chevrolet | K30 Pickup | 1968 - 1972 |
| Chevrolet | P10 Series | 1963 - 1967 |
| Chevrolet | P20 Series | 1963 - 1967 |
| Chevrolet | P30 Series | 1963 - 1967 |
| Chevrolet | Suburban | 1963 - 1966 |
| GMC | 1000 Series | 1963 - 1965 |
| GMC | 1000 | 1966 |
| GMC | 1500 Series | 1963 - 1965 |
| GMC | 1500 | 1966 |
| GMC | 2500 Series | 1963 - 1965 |
| GMC | 2500 | 1966 |
| GMC | 3000 | 1963 - 1966 |
| GMC | 3500 | 1963 - 1966 |
| GMC | B3500 | 1964 - 1965 |
| GMC | C15/C1500 Pickup | 1967 - 1972 |
| GMC | C15/C1500 Suburban | 1967 - 1972 |
| GMC | C25/C2500 Pickup | 1967 - 1972 |
| GMC | C25/C2500 Suburban | 1967 - 1972 |
| GMC | C35/C3500 Pickup | 1967 - 1972 |
| GMC | G1000 Series | 1963 - 1966 |
| GMC | I1000 | 1964 - 1966 |
| GMC | I1500 | 1965 - 1966 |
| GMC | I2500 | 1965 - 1966 |
| GMC | I3500 | 1966 |
| GMC | Jimmy | 1970 - 1972 |
| GMC | K1000 Pickup | 1966 |
| GMC | K1000 | 1966 |
| GMC | K15/K1500 Pickup | 1966 - 1972 |
| GMC | K15/K1500 Suburban | 1967 - 1972 |
| GMC | K25/K2500 Pickup | 1966 - 1972 |
| GMC | K25/K2500 Suburban | 1967 - 1972 |
| GMC | K35/K3500 Pickup | 1968 - 1972 |
| GMC | L3500 | 1965 - 1967 |
| GMC | LI3500 | 1966 - 1967 |
| GMC | P1000 | 1966 |
| GMC | PB1000 Series | 1963 - 1966 |
| GMC | PB15 Series | 1966 |
| GMC | PB1500 Series | 1963 - 1965 |
| GMC | PB25 Series | 1966 |
| GMC | PB2500 Series | 1963 - 1965 |
| GMC | Suburban | 1963 - 1966 |
| GMC | V3000 Forward Control | 1963 |
