Introduction
Unlocking the full potential of your Mercedes AMG G-63 means trusting only the best for every upgrade or replacement. Therefore, true enthusiasts and discerning owners never settle for less than 95% brand new original factory parts. In this guide, we’ll dive into the world of authentic, dealer-issued enhancements for your G-63—focusing on the Mercedes AMG G-63 Rear LH & RH Wheel Thread Mudguard Widening Matte Black OEM A4638805703 A4638805803, the Mercedes AMG G-63 Front Guard (with Brackets) Black, the Mercedes AMG G-63 Exhaust System LH & RH with mufflers Silver OEM A4634901504, and the Mercedes AMG G-63 Front Lower Bumper Gloss Gray.
However, choosing OEM over aftermarket changes everything about how your AMG G-63 performs, looks, and holds value. This article explores why genuine parts matter, what makes these components extraordinary, and how to keep your G-Class in its most durable and authentic condition.
Why OEM Parts Matter for the Mercedes AMG G-63
When you own an icon like the Mercedes AMG G-63, every detail matters—from its aggressive stance to its thunderous exhaust note. Therefore, if you choose anything but factory-engineered components, you risk compromising not just your SUV’s functionality but also its resale value and factory warranty support.
Moreover, Mercedes-Benz OEM parts such as the Mercedes AMG G-63 Rear LH & RH Wheel Thread Mudguard Widening Matte Black OEM A4638805703 A4638805803 and its matching front guard offer direct-fit precision, proven durability, and manufacturer-backed reliability. Authenticity means engineering that matches the car’s DNA, avoiding unexpected issues and keeping your G-63 feeling like new.
Key OEM Parts Categories and Specifications
Let’s examine the distinct attributes of each stand-out upgrade for the AMG G-63—equal parts style, protection, and unmatched engineering:
Rear LH & RH Wheel Thread Mudguard Widening Matte Black OEM A4638805703 A4638805803
The Mercedes AMG G-63 Rear LH & RH Wheel Thread Mudguard Widening Matte Black OEM A4638805703 A4638805803 isn’t just about enhancing aesthetics—it’s built for rugged terrain and protecting the vehicle’s precious bodywork against flying debris.
- Dealer-issued fitment for rear left and right wheel arches
- 100% OEM plastics in the exact factory matte black finish
- Engineered widening for improved road spray management and added stance aggression
- Perfect compatibility with factory wheel offsets and AMG ride height
- Guaranteed to preserve the original lines and warranty of your G-63
Front Guard (with Brackets) Black
The Mercedes AMG G-63 Front Guard (with Brackets) Black is more than a cosmetic upgrade—it’s a shield for your vehicle’s front end. Consequently, it protects the engine bay and radiator against rocks, splash, and minor off-road impacts.
- Direct-fit mounting using robust OEM brackets
- Factory-finish deep black color for seamless integration
- Constructed to meet Mercedes-Benz’s uncompromising impact and corrosion standards
- Essential for G-63s taken off the beaten path or regularly subjected to harsh city traffic
Exhaust System LH & RH with Mufflers Silver OEM A4634901504
For those seeking that signature AMG aural presence, the Mercedes AMG G-63 Exhaust System LH & RH with mufflers Silver OEM A4634901504 delivers performance and emotion in equal measure. Meanwhile, its high-polish silver finish and dual-outlet design ensure every note from the twin-turbo V8 rings out with authenticity.
For a quick visual overview, see this external resource.

Additionally, the OEM exhaust’s engineered internals provide optimal backpressure and ensure emissions compliance—two areas often compromised by generic replacements.
Front Lower Bumper Gloss Gray
The Mercedes AMG G-63 Front Lower Bumper Gloss Gray brings modern G-Class distinction to your ride. Thus, its gloss gray surface subtly contrasts with the vehicle’s classic lines.
This part offers not only unique visual impact but structural support for sensors and factory skid plates. Choosing genuine guarantees flawless paint adhesion, perfect sensing alignment, and lasting protection from road wear.
OEM vs Aftermarket: Why Original Wins
OEM parts transform the experience of owning a Mercedes AMG G-63. Furthermore, they offer a host of unique advantages over aftermarket alternatives:
- Exact tolerances and fitment prevent creaks, rattles, and water ingress
- Direct warranty protection through Mercedes-Benz dealer verification
- Superior engineering and materials, as seen in high-durability plastics for mudguards and heat-resistant metallics for exhausts
- Guaranteed compatibility with all model-year electronics, mounts, and safety systems
- Authentic AMG styling cues and finishes not found on third-party imitations
In contrast, aftermarket parts may promise upgrades but often fall short on reliability, safety, and long-term value preservation. Thus, investing in OEM components shields you from fitment headaches and potential warranty disputes.
Installation Tips and Maintenance Best Practices
Installing OEM parts on the Mercedes AMG G-63 is refreshingly straightforward. Most parts, including the Mercedes AMG G-63 Rear LH & RH Wheel Thread Mudguard Widening Matte Black OEM A4638805703 A4638805803 and Front Guard (with Brackets) Black, include all dealer-issued mounting hardware and require only basic hand tools for attachment.
Meanwhile, for parts involving performance systems—like the Exhaust System LH & RH with mufflers Silver OEM A4634901504—consider working with a certified Mercedes specialist to ensure perfect mating with factory sensors and mounts.
For day-to-day longevity:
- Inspect wheel arch and mudguard fasteners after heavy off-road use
- Rinse exhaust tips and bumper surfaces with gentle soap to prevent build-up
- Check sensor and guard alignments during scheduled maintenance
Regular maintenance of these crucial components keeps your AMG G-63 both stunning and road-worthy year-round.
Where to Buy Genuine Mercedes AMG G-63 Parts in the UAE
You deserve total confidence in every part purchased. In addition, always look for trusted dealers with proven OEM inventory and direct Mercedes-Benz import connections.
For UAE owners, the most reliable place to find the Mercedes AMG G-63 Rear LH & RH Wheel Thread Mudguard Widening Matte Black OEM A4638805703 A4638805803, Front Guard (with Brackets) Black, Exhaust System LH & RH with mufflers Silver OEM A4634901504, and Front Lower Bumper Gloss Gray remains Dourado Auto Service. Furthermore, browse their complete product listings for AMG G-Class upgrades tailored to dealer specifications.
Similarly, you can review additional stock here for more options on maintaining your Mercedes protections and performance edge.
Conclusion and Call to Action
Maintaining your Mercedes AMG G-63 with factory-direct, dealer-issued parts is one of the smartest and most durable investments you can make. As a result, your pride and joy keeps its legendary looks, performance, and value without compromise.
If you demand the best for your G-Class, order your authentic Mercedes AMG G-63 Rear LH & RH Wheel Thread Mudguard Widening Matte Black OEM A4638805703 A4638805803 now and browse a full range of other original upgrades for lasting, worry-free excellence on every journey.


