Trail Types


  • This video provides an update on the ongoing development of the 2nd-generation H3 Hummer Rock Slider and its subsequent truck variant, the H3T. Recent testing of the rocker panel protection has confirmed the perfect fit and production-readiness of all brackets and ribs. While the full-length step plate prototype requires minor adjustments to meet production standards,…

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  • We’re thrilled to announce that our second-generation H3 Hummer Rock Sliders are nearing production. Building upon the success of our original design, we’ve focused on addressing key issues and introducing significant improvements. Key enhancements include: We’re confident that these advancements will exceed your expectations and provide you with a superior product. Stay tuned for updates…

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  • Earlier this year, I began experiencing intermittent keyless entry issues and a persistent TPMS warning light, despite recent tire sensor replacements. Initially, I assumed the two problems were unrelated and replaced the keyless remote battery, but this did not resolve the issue. I mistakenly assumed remote issues were the cause of my problem and replaced…

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  • I view challenges as opportunities for growth. While parting ways with my previous employer, a long-time supplier of H3 Hummer parts, was a significant change, it also presents a chance to pursue long-held goals. I’ve been dissatisfied with the quality of welds, limited order quantities, slow design revision cycles, and lengthy shipping times. This new…

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  • Custom H3 Hummer prototypes take a lot of time to design develop. Which is why it always so exciting to announce and share when progress has been made. Today, the last major obstacle in the design phase of the Hi-Lift, CB Antenna, and Bottle Opener mount has been cleared. The parts bolt up, although a…

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  • TFLnow Championship H3


    Just a few days ago Adam, a customer of Schwarttzy.com, reviewed his awesome V8 powered Championship Edition H3 Hummer with Andre on the YouTube channel TFLnow. Being a fan of nearly all things automotive, I watch TFL’s YouTube Channels quite regularly for their reviews, adventures, and opinions on all types of vehicles. This video was…

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  • The 2008 Alpha H3 Hummer #WarWagon needed the upper control arm replaced because of a failing ball joint on the passenger side. Prior to shooting this video, I’d already replaced the control arm on the passenger side. When an arm gets replaced the other should be replaced too. The reason to replace both is that…

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  • Engine Oil Analysis


    In Fort Wayne, Indiana the company called Blackstone Laboratories tests the oil from customer’s engines to provide “easy-to-use, understandable, and accurate oil analysis.” Recently, I sent in a sample of oil from my Alpha H3 Hummer 5.3L V-8 engine to check on the condition of the engine. The #WarWagon has over 200,000 miles on the…

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  • Radio Upgrade H3 Hummer


    How to upgrade the H3 Hummer radio and sound system to be more than adequate is incredibly easy. First, the vehicle needs to have Android Auto or Apple CarPlay. This way the head unit has hands-free access to phone calls, turn-by-turn directions, and more importantly the music or podcasts on the phone. Be it YouTube…

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  • Note: It’s October 5th, 2023 and I wanted to update this post. With some new recommendations due to products not being sold and other issues. Without delay, here we go. Schwarttzy I would like to suggest three reasons to not upgrade to LED, Projector, and custom brackets for headlights and foglights. For starters, it is…

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  • Modular Tire Carrier


    Yesterday, I got the next revision in the development of the Modular Tire Carrier that I have been working on for the H3 Hummer. An H3 Hummer Modular Tire Carrier is for creating an easy solution for bolt-on common off-road accessories. The most important accessory is the Hi-Lift, an off-road jack that is commonly found…

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  • Where to begin… The “H3 Hummer Quick N’ Simple Auxiliary Audio Input” that I’ve been shipping for the last few months has been having quite the influx of issues. Quite a bit more than what I consider acceptable. The issues of been wires breaking, static in the radio, no audio and etc. Which is why…

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