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1978 Chevrolet C/K Pickup 2500

1978 C/K 2500 truck bed cover lineup

Truck bed covers for the 1978 Chevy C/K 2500 include the full tonneau cover lineup plus truck toppers. GMT400 HD platform. Renamed Silverado 2500 HD around 2001. The 1978 C/K 2500 sits on the GMT400 HD C/K 2500 body. GMT400 HD-platform C/K 2500, renamed the Silverado 2500 HD around 2001. Different bed-rail geometry from the later GMT800 HD.

Top picks for the 1978 C/K 2500: BAKFlip MX4 for hard quadfold protection, RetraxPRO XR for a manual retractable with built-in T-slot rails, Roll-N-Lock E-Series for push-button electric operation, Extang Trifecta 2.0 for a quick soft trifold, and TruXedo TruXport as the entry-tier soft roll-up. For camper-shell-style protection, the Soft Top Truck Toppers collection covers the same bed.

Available across 6.5 foot and 8 foot Fleetside configurations. Every cover ships with the manufacturer warranty, and a fitment check is free before you buy.

Choosing the right truck bed cover

  • Best-selling hard foldBAKFlip MX4: 400 lb evenly distributed load rating, matte-black aluminum panels.
  • Best-selling soft foldExtang Trifecta 2.0: leather-grain vinyl, signature pull-strap deploy, quick install.
  • Push-button electricRoll-N-Lock E-Series: open or close the bed from the key fob.
  • Pairs with racks or carriersBAKFlip MX4 TS or RetraxPRO XR: both support T-slot rails for over-bed loads.
  • Entry tierTruXedo TruXport: soft roll-up starting at $299.99, the lowest-priced cover in stock.

Key capabilities

  • GMT400 HD C/K 2500 noteGMT400 HD-platform C/K 2500, renamed the Silverado 2500 HD around 2001. Different bed-rail geometry from the later GMT800 HD.
  • All major brands in stockBAK, Extang, UnderCover, Retrax, Roll-N-Lock, and TruXedo, all fitment-verified for your truck.
  • Every available bed lengthCovers stocked for 6.5 foot and 8 foot Fleetside configurations.
  • No-drill clamp-on installsMost covers install in 15 to 30 minutes with hand tools. No drilling, no permanent modifications to the bed.

Ideal for

  • 1978 C/K 2500 owners protecting bed cargo from weather, dust, and prying eyes
  • Drivers who want a 15-30 minute clamp-on install with no drilling
  • Anyone shopping a tonneau cover, hard or soft fold, retractable, or one-piece, all for the GMT400 HD C/K 2500 body
  • Buyers who need fitment confirmed against their exact 1978 C/K 2500 trim and bed length before they buy

Shop by style

Compare the lineup

ProductStyleMaterialLockingStand-out
TruXedo TruXport Soft roll-up Leather-grain vinyl Velcro side seals Lowest price in catalog
Extang Trifecta 2.0 Soft trifold Leather-grain vinyl Snap-lock side rails Quickest soft-fold install
UnderCover Flex Hard trifold Polypropylene panels Tailgate-lock latch Works folded or fully removed
BAKFlip MX4 Hard quadfold Matte aluminum panels Auto-latching clamps 400 lb evenly distributed load
RetraxPRO XR Manual retractable Aluminum slats Key lock at tailgate Built-in T-slot rails for racks
Roll-N-Lock E-Series Electric retractable Aluminum slats Key fob remote Open or close from across the parking lot