Description
The Longacre Magnum series gauges are prized for their massive, easy-to-read faces and laboratory-grade accuracy. However, their larger size makes them a bigger target for drops and workbench impacts. The Longacre 52-52078 Replacement Bumper is the heavy-duty “shock vault” specifically engineered to protect the 3-1/2″ Magnum Series air pressure gauges.
This is the largest bumper in the Longacre lineup, designed to provide a thick, energy-dissipating rubber shield around the massive gauge housing. It doesn’t just protect against scratches; the specialized “waffle” internal structure and raised external ribs are designed to neutralize high-G impacts that would otherwise shift the calibration of your master gauge. For the professional tire specialist, this bumper is a mandatory insurance policy for your most critical diagnostic tool.
Key Features
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Magnum 3.5″ Custom Fitment: Precision-molded specifically for the oversized diameter of Longacre Magnum and Glow-in-the-Dark 3-1/2 inch analog gauges.
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Industrial-Grade Impact Protection: Manufactured from a high-density, shock-absorbing rubber compound that prevents the internal gears from jumping or bending during a drop.
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Raised “Face-Guard” Lip: The perimeter of the bumper extends past the lens, creating a protective “crush zone” that prevents the glass or plastic face from shattering on flat-surface impacts.
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High-Traction Grip: The textured rubber surface ensures a steady, non-slip hold even when wearing racing gloves or when hands are slick with tire prep and sweat.
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Professional Shop Restoration: Replaces old, cracked, or missing bumpers to restore the professional appearance and safety of your master tire tech kit.






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