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1973-1991 Chevy Truck Left Hand Cab Floor Support / Brace

1973-1991 Chevy Truck Left Hand Cab Floor Support / Brace
from $114.99 ea

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Model: 5021019
Select a Vehicle or refer to the Vehicle Fitment Tab below to verify that this part fits your vehicle.
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The 1973-1991 Chevy Truck Left Hand Cab Floor Support / Brace is a heavy-duty stamped steel panel designed to restore critical structure to the driver-side cab floor in your squarebody GM pickup. This brace connects the cab mount to the floor pan, providing essential reinforcement in a high-stress, rust-prone area. Formed to factory specifications, it ensures proper alignment and long-lasting support beneath the cab. Whether you're performing a partial floor repair or a full structural restoration, this panel helps maintain integrity and ride quality for decades to come.

  • Fits 1973-1991 Chevrolet and GMC C/K Series trucks (driver side)
  • Supports cab mount and floor structure beneath the driver-side pan
  • Stamped from heavy-gauge steel for maximum strength and durability
  • Factory-style fitment for seamless integration into floor repairs
  • Ideal for rust repair, collision restoration, or cab rebuilds
  • Crucial for maintaining body alignment and structural integrity

Installation:
Difficulty: 4/5 – Requires cutting, welding, and precise structural alignment.
Instructions: Remove the old or rusted floor support. Clean and prepare surrounding metal surfaces. Test fit the new support and adjust if necessary. Weld into place using factory seams and mounting points. Grind welds smooth, apply seam sealer, and finish with primer and undercoating for long-term corrosion protection.

Vehicle Fitment:

The Vehicle Fitment Guide is to be used as a general reference. The data has been provided by our suppliers and manufacturers and may contain errors or incorrect data. Always refer to a professional to verify correct fitment for your vehicle.
Make Model Years Fitment Notes
Chevrolet Blazer 1988 - 1991
Chevrolet Blazer 1973 - 1987 PICKUP
Chevrolet C10 Pickup 1973 - 1974 PICKUP
Chevrolet C10 Suburban 1973 - 1986 PICKUP
Chevrolet C10 1975 - 1986 PICKUP
Chevrolet C15 1982 - 1987 PICKUP
Chevrolet C20 Pickup 1973 - 1974 PICKUP
Chevrolet C20 Suburban 1973 - 1986 PICKUP
Chevrolet C20 1975 - 1987 PICKUP
Chevrolet C30 Pickup 1973 - 1974 PICKUP
Chevrolet C30 1975 - 1986 PICKUP
Chevrolet C35 1983 - 1987 PICKUP
Chevrolet K10 Pickup 1973 - 1974 PICKUP
Chevrolet K10 Suburban 1973 - 1986 PICKUP
Chevrolet K10 1975 - 1986 PICKUP
Chevrolet K20 Pickup 1973 - 1974 PICKUP
Chevrolet K20 Suburban 1973 - 1986 PICKUP
Chevrolet K20 1975 - 1986 PICKUP
Chevrolet K30 Pickup 1973 - 1974 PICKUP
Chevrolet K30 1977 - 1986 PICKUP
Chevrolet K5 Blazer 1975 - 1986 PICKUP
Chevrolet R10 Suburban 1987 PICKUP
Chevrolet R10 1987 PICKUP
Chevrolet R20 Suburban 1987 PICKUP
Chevrolet R20 1987 PICKUP
Chevrolet R30 1987 PICKUP
Chevrolet S10 Blazer 1983 - 1987 PICKUP
Chevrolet S10 1982 - 1987 PICKUP
Chevrolet Suburban 1987 PICKUP
Chevrolet V10 Suburban 1987 PICKUP
Chevrolet V10 1987 PICKUP
Chevrolet V20 Suburban 1987 PICKUP
Chevrolet V20 1987 PICKUP
Chevrolet V30 1987 PICKUP
GMC C15 Suburban 1975 - 1978 PICKUP
GMC C15/C1500 Pickup 1973 - 1974 PICKUP
GMC C15/C1500 Suburban 1973 - 1974 PICKUP
GMC C1500 Suburban 1979 - 1986 PICKUP
GMC C1500 1979 - 1986 PICKUP
GMC C15 1975 - 1978 PICKUP
GMC C25 Suburban 1975 - 1978 PICKUP
GMC C25/C2500 Pickup 1973 - 1974 PICKUP
GMC C25/C2500 Suburban 1973 - 1974 PICKUP
GMC C2500 Suburban 1979 - 1986 PICKUP
GMC C2500 1979 - 1986 PICKUP
GMC C25 1975 - 1978 PICKUP
GMC C35/C3500 Pickup 1973 - 1974 PICKUP
GMC C3500 1979 - 1986 PICKUP
GMC C35 1975 - 1978 PICKUP
GMC Jimmy 1973 - 1987 PICKUP
GMC K15 Suburban 1975 - 1978 PICKUP
GMC K15/K1500 Pickup 1973 - 1974 PICKUP
GMC K15/K1500 Suburban 1973 - 1974 PICKUP
GMC K1500 Suburban 1979 - 1986 PICKUP
GMC K1500 1979 - 1986 PICKUP
GMC K15 1975 - 1978 PICKUP
GMC K25 Suburban 1975 - 1978 PICKUP
GMC K25/K2500 Pickup 1973 - 1974 PICKUP
GMC K25/K2500 Suburban 1973 - 1974 PICKUP
GMC K2500 Suburban 1979 - 1986 PICKUP
GMC K2500 1979 - 1986 PICKUP
GMC K25 1975 - 1978 PICKUP
GMC K35/K3500 Pickup 1973 - 1974 PICKUP
GMC K3500 1979 - 1986 PICKUP
GMC K35 1977 - 1978 PICKUP
GMC R1500 Suburban 1987 PICKUP
GMC R1500 1987 PICKUP
GMC R2500 Suburban 1987 PICKUP
GMC R2500 1987 PICKUP
GMC R3500 1987 PICKUP
GMC S15 Jimmy 1983 - 1987 PICKUP
GMC S15 1982 - 1987 PICKUP
GMC Transmode 1973 - 1974 PICKUP
GMC V1500 Suburban 1987 PICKUP
GMC V1500 1987 PICKUP
GMC V2500 Suburban 1987 PICKUP
GMC V2500 1987 PICKUP
GMC V3500 1987 PICKUP

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