Shopping for a used truck topper, truck cap, or camper shell is one of the smartest ways to add secure, weatherproof cargo space to your pickup without paying full retail. Whether you're a contractor who needs lockable storage for tools, an overlander chasing extra sleeping and gear room, or a daily driver who just wants to keep groceries dry, buying pre-owned from a proven manufacturer can save you thousands of dollars as long as you know which brands and models actually hold up over time.

Below is a breakdown of the industry's most trusted truck cap and camper shell manufacturers LEER, A.R.E., SmartCap, SnugTop, Ranch, and Century along with their most popular models, so you can shop the used market with confidence.

1. LEER Truck Caps

LEER is one of the oldest and most recognized names in the truck cap industry, known for factory-matched paint, TIG-welded aluminum frames, and a fiberglass lineup that's easy to find used because of how widely it was sold across the U.S.

Popular LEER Models:

• LEER 100XQ: The flagship aerodynamic cab-high fiberglass cap with a frameless rear door and body lines styled to match the specific truck it's built for.
• LEER 100XR: A value-focused hybrid featuring a frameless glass rear door paired with framed 50/50 sliding side windows.
• LEER 100XL: Designed with SUV-style side windows, twist-out vents, and an all-glass rear door with LEER's signature twist handle.
• LEER 100R: The budget-friendly workhorse of the lineup, with a framed glass rear door and double T-handle locks.
• LEER 100RCC: A reinforced, commercial-grade version of the 100R built for contractors who need extra structural strength.
• LEER 122: A high-rise cab-over cap with an oversized door and added headroom, ideal for hauling bulky items.
• LEER 180: Full-height "windoor" fiberglass cap that doubles as a side-entry access point.
• LEER 550: A low-profile, sport-truck-styled fiberglass cover for a sleeker aerodynamic look.
• LEER DCC: LEER's rugged commercial aluminum cap line, built with TIG-welded frames for fleet and jobsite use.

Because LEER caps are custom-molded to specific truck beds (F-150, Silverado, Tacoma, Ram, Tundra, Sierra, and more), always confirm the used unit matches your exact make, model, year, and bed length before buying.

2. A.R.E. (Applied Recreational Equipment) Truck Caps

A.R.E. has been building truck caps for over 55 years and is now part of the RealTruck family, giving it one of the deepest, most recognizable model lineups on the used market.

Popular A.R.E. Models:

• A.R.E. CX Series (Classic, Evolve, Revo) Commercial-grade fiberglass caps ranging from the affordable CX Classic to the advanced CX Revo, which introduced several industry-first design features.
• A.R.E. MX Series (Classic, Evolve, Revo, HD) Mid-rise caps offering more headroom, easier gear access, and an optional walk-in door for trailer or boat towing setups.
• A.R.E. Z Series & Z2 Series Automotive-inspired, frameless-door caps with a sleek "SUV look," including Z2's exclusive urethane side-window technology.
• A.R.E. V Classic A traditional-styled, value-priced cap with a side toolbox option that's popular with contractors.
• A.R.E. TW Series A high-roof, aerodynamic wedge-design cap built to maximize bed capacity.
• A.R.E. Overland Series A two-tone, spray-coated off-road cap built for expedition and overlanding use.
• A.R.E. DCU Max / Diamond Edition DCU Heavy-duty commercial aluminum caps with welded-frame construction for fleet and work-truck applications.
• A.R.E. HD Series An add-on upgrade for CX and MX caps that triples the roof rack and toolbox weight capacity.

Used A.R.E. caps are widely available because of the brand's massive dealer network, making it one of the easiest brands to source parts and matching hardware for secondhand units.

3. SmartCap (RSI SmartCap) Canopies

Unlike traditional fiberglass caps, SmartCap builds its canopies from automotive-grade stainless steel, making them a favorite in the overlanding and off-road community and a smart used buy because the material resists the cracking and UV fading common in older fiberglass shells.

Popular SmartCap Models:

• SmartCap EVOa Adventure: The flagship overlanding canopy with double-walled stainless Gullwing doors and an interior MOLLE panel for gear mounting.
• SmartCap EVO Sport: A lighter, daily-driver-friendly canopy with three lockable Gullwing windows and the same 770-lb parked / 330-lb driving load rating as the Adventure.
• SmartCap EVOc Commercial: Built for work trucks, with solid steel side doors and an optional rear-window Security Screen for jobsite security.
• SmartCap EVOd Defender: The maximum-security variant designed for owners who prioritize theft deterrence above all else.
• SmartCap Hatchback: A streamlined, no-side-access canopy for owners who just need a tough, weatherproof lid without extra doors.

Because SmartCap uses a modular 5-piece stainless steel design, used units can often be disassembled for easier transport, refurbished with new seals, and outfitted with the brand's plug-and-play accessory ecosystem (racks, camp kitchens, and storage panels).

4. SnugTop Truck Caps

Manufacturing since 1959, SnugTop is a West Coast staple known for aerodynamic styling and factory-matched paint, with a huge installed base that makes used units easy to find, especially in California, Nevada, and Arizona.

Popular SnugTop Models:

• SnugTop Rebel: The brand's economical "top of the line" cap with a large curved all-glass rear door and center-mounted pop-out lock.
• SnugTop Super Sport: Features contoured side windows, an extra-large rear window, and a frameless design that blends into the truck's factory lines.
• SnugTop XTR / XTR Gen 2: Built with an integrated tubular roof rack for outdoor and overlanding use.
• SnugTop Cab-Hi: The classic, traditional-profile model that started the brand — simple, sleek, and dependable.
• SnugTop Xtra Vision (XV): Designed for maximum visibility with an enlarged rear door and oversized curved side windows.
• SnugTop Expo: Contemporary styling with pop-out side windows and a distinctive door treatment.
• SnugTop Outback: The brand's most heavy-duty recreational cap, rated to carry 500+ lbs of gear.
• SnugTop Avalanche XUV: A model built specifically for the Chevy Avalanche's unique bed configuration.
• SnugPro: SnugTop's commercial fiberglass cap line for work trucks and fleets.

5. Ranch Fiberglass Truck Caps

Ranch has built a reputation as a budget-friendly, USA-made brand heavily focused on style, seal quality, and security making used Ranch caps a popular option for buyers who want fiberglass quality without the premium-brand price tag.

Popular Ranch Models:

• Ranch Echo: The entry-level model with sliding side windows and a dual-locking rear window.
• Ranch Sierra / Sierra Xtra: A step up from the Echo with a tri-cell honeycomb structure, heavy-duty aluminum rear door, and a triple-seal weather system.
• Ranch Fusion / Fusion Classic: Adds a recessed, frameless rear door and recessed side windows for a cleaner look.
• Ranch Icon / Premier: Ranch's top-of-the-line cab-high cap, with bonded "frameless" side windows and doors for an SUV-style appearance.
• Ranch Skyline: A mid-rise cap offering extra cargo height while keeping the large sliding windows and heavy-duty rear door.
• Ranch XD: The largest mid-height cap in the lineup, built with an aerodynamic raised roofline for maximum cargo space.
• Ranch Pro Series: A commercial cap with a TIG-welded aluminum frame, .040-gauge aluminum skin, and a Strattec lock cylinder.
• Ranch Workforce: A contractor-oriented commercial model built for daily jobsite use.

6. Century Truck Caps

Also part of the Truck Accessories Group family (alongside LEER and SnugTop), Century is known for insulated roofs, tinted glass, and a broad range of cab-high and mid-rise fiberglass options with a large enough production run that used units show up regularly nationwide.

Popular Century Models:

• Century Ultra: The classic cab-high cap with 1/3 sliding side windows, an insulated roof, and a recessed-frame rear door.
• Century Ultra Sport: Adds a frameless rear door and framed 50/50 sliding windows for a sportier profile at a competitive price.
• Century Ultra S: A smooth-sided version of the Ultra designed for cargo privacy or vehicle branding/graphics.
• Century Ultra CF / Ultra SCC: Structurally reinforced commercial versions of the Ultra with solid panel rear doors and stainless steel T-handles.
• Century Royal: A custom-designed, SUV-styled cap built to match the specific body lines of each individual truck model.
• Century Royal Sport: The premium adventure-ready version of the Royal, featuring frameless curved glass and an upgraded interior headliner.
• Century Silhouette: Century's premium tonneau-style cover, also designed around specific OEM body lines.
• Century Deluxe Commercial Unit (DCU): A rugged aluminum contractor cap built for fleet and heavy-use applications.

Tips for Buying a Used Truck Topper

1. Confirm exact fitment first. Truck caps are custom-molded to a specific make, model, year range, and bed length (short bed vs. long bed) a perfect fit for one Silverado won't necessarily fit another model year.
2. Inspect the seals and hardware. Rubber door seals, latches, and hinges wear out over time; budget for replacement seals if the unit is older, even if the fiberglass or aluminum shell is in great shape.
3. Check for stress cracks and delamination. This is especially important on older fiberglass caps from LEER, A.R.E., SnugTop, Ranch, and Century run your hand along the roofline and corners for hairline cracks.
4. Match the paint code if color matters to you. Most of these brands offer factory-matched paint, so ask the seller for the OEM paint code used, or plan on a repaint if the cap came from a different-colored truck.
5. Ask about load ratings for overlanding builds. If you're outfitting for a rooftop tent or heavy gear (a common use case for SmartCap's stainless steel canopies), confirm the static and dynamic weight ratings before loading up.
6. Verify locks and keys are included. Rekeying a topper is possible but adds cost units with matching keys or keyless entry fobs included are worth more.