4 Pack 2.5" Heavy Duty Rubber Bumpers for Trailer Ramp Doors & Truck Cargo - Shock Absorbing Door Stops with Bolts/Nuts Kit, Universal Fit Enclosed/Utility Trailers, Generators, Air Compressors

NIUQIUP Trailer Door Bumpers: Your Impact Protection GuardianPicture this: You’re hauling equipment in your enclosed trailer when a sudden stop sends the ramp door slamming against the truck bed. The metallic clang echoes through the cargo area as you cringe at the fresh dent. That’s where NIUQIUP’s 2.5" rubber bumpers step in – silent protectors standing guard between your trailer ramp doors, truck gates, and costly damage.Crafted from compression-molded rubber tested to withstand -40°F winters and desert heat, these 2.5-inch diameter bumpers act as shock-absorbing barriers. Each set includes 4 industrial-grade bumpers paired with M8x32mm screws and M8x30mm bolts, engineered to secure tightly on enclosed trailer ramp edges, RV door frames, or utility trailer corners.Why They Work Where Others Fail→ Precision Fit: 0.3" pre-drilled centers align with standard trailer parts and truck accessory mounting points→ Multi-Surface Defense: UV-stabilized rubber prevents scratches on both metal (dock bumpers) and fiberglass surfaces (boat trailer doors)→ Silent Operation: 60% noise reduction compared to bare metal-on-metal contact during door closureInstall them in minutes on cargo trailer bump stops, workshop machinery pads, or as vibration dampers under generators/air compressors. Backed by a 1-year manufacturer’s warranty against material defects, these bumpers are rigorously tested to endure 10,000+ compression cycles without cracking.Included in Kit4x 2.5" Rubber Bumpers | 4x M8x32mm Screws | 4x M8x30mm Bolts | 8x WashersCompatible With: Enclosed trailer ramp doors | Truck bed gates | RV storage compartments | Industrial equipment padsStop letting impacts dictate your equipment’s lifespan – bolt on defense that outlasts the road.

• Complete Installation Kit Includes 4 heavy-duty 2.5" rubber bumpers with 4*M8x32mm screws & 4*M8x30mm bolts - pre-assembled hardware eliminates guesswork. Ideal for securing enclosed trailer ramp doors, truck cargo hatches, and utility trailer bumpers. No more searching for compatible fasteners or dealing with mismatched hardware.
• Shock-Absorbing Protection Thick rubber construction prevents metal-to-metal contact between trailer doors/truck beds and surfaces. Reduces impact noise by 60%* during gate closure (*internal lab test data). Perfect solution for protecting generators, air compressors, and pressure washers from vibration damage in mobile setups.
• Universal Multi-Application Use Designed with standard 0.3" center holes to fit most trailer parts and vehicle accessories. Effortlessly installs on cargo trailer bumpers, RV door stops, or workshop equipment pads. Never worry about buying separate bumpers for different equipment again.
• Quick 3-Minute Setup Pre-drilled bumpers align perfectly with mounting points - simply insert bolts through rubber stoppers and tighten nuts. Requires only basic tools, unlike complex bumper guard systems. Ideal for DIYers maintaining enclosed trailers or truck owners needing instant door protection.
• Weatherproof Damage Prevention UV-resistant rubber maintains flexibility from -40°F to 230°F. Creates permanent buffer against scratches/dents on trailer ramp doors during loading. Say goodbye to costly repairs from accidental impacts with dock edges or shifted cargo.