Introduction
The world of luxury off-roaders would not be the same without the unmistakable presence of the Mercedes AMG G-63. Every detail defines the difference between a show-stopping icon and an ordinary 4×4. Among these, the Mercedes AMG G-63 Rear LH & RH Wheel Thread Mudguard Widening Matte Black OEM A4638805703 A4638805803 stands out as a signature statement.
However, it is more than just an accessory—this genuine factory component defines the G-Class silhouette and ensures that performance, durability, and aesthetics remain uncompromised.
For long-time owners or new enthusiasts, understanding the value and purpose of authentic OEM mudguards will give you the insight you need to preserve your prized Mercedes.
Why OEM Parts Matter for the Mercedes AMG G-63
Every Mercedes AMG G-63 deserves authentic parts for optimal performance.
For example, mudguards are not mere styling upgrades, but critical for safeguarding delicate wheel arches against mud, debris, and stone chips.
Furthermore, OEM (Original Equipment Manufacturer) parts, such as the Mercedes AMG G-63 Rear LH & RH Wheel Thread Mudguard Widening Matte Black OEM A4638805703 A4638805803, fit perfectly and perform flawlessly.
In contrast, aftermarket parts often lack precision, risking damage or diminished value.
Thus, choosing factory-original components is crucial for those who demand uncompromised safety, reliability, and showroom authenticity.
Key OEM Parts Categories and Specifications
The Mercedes AMG G-63 rear wheel arch mudguards fall under a critical body panel category.
They are designed for flawless fitment on both the Left Hand (LH) and Right Hand (RH) sides.
The specifications for the Mercedes AMG G-63 Rear LH & RH Wheel Thread Mudguard Widening Matte Black OEM A4638805703 A4638805803 include a rugged, high-density polymer construction with a premium matte black finish, engineered precisely for the AMG G-63 wheel arch contours.
Moreover, these mudguards offer a widened stance, enhancing both aesthetics and wheel protection.
Mercedes-Benz developed these OEM components to not only protect but also elevate the distinct G-Class profile.
Meanwhile, their robust design helps absorb and deflect gravel, road spray, and harsh terrain impacts—delivering added peace of mind for off-roading or city drives.
- Engineered for exact G-63 wheel arch geometry
- Matte black finish pairs seamlessly with AMG trim
- OEM quality ensures durability and UV resistance
- Easy bolt-on installation without modifications
- Protects paintwork and underbody from debris
Consequently, opting for these specific OEM parts secures your investment while preserving the Mercedes AMG G-63’s award-winning styling intact.
OEM Part Numbers and Fitment Accuracy
Mercedes-Benz uses exacting part numbers—for the rear wheel thread mudguard widening you have A4638805703 (LH) and A4638805803 (RH).
These numbers guarantee that what you install is tailor-made for the G-63, avoiding the headaches often caused by imprecise aftermarket alternatives.
Similarly, these parts undergo rigorous factory testing to ensure longevity and resilient performance under the harshest conditions.
OEM fitment accuracy matters for:
- Preventing annoying rattles and vibrations
- Maintaining water-tight and debris-proof seals
- Preserving resale value by sustaining vehicle originality
- Reducing risk of damage to adjacent panels
- Eliminating unnecessary warranty disputes
Therefore, always insist on original Mercedes parts with authentic stamps and packaging.
OEM vs Aftermarket: Why Original Wins
On paper, aftermarket accessories may offer tempting price points and “universal” fitment claims.
However, only the original Mercedes AMG G-63 Rear LH & RH Wheel Thread Mudguard Widening Matte Black OEM A4638805703 A4638805803 will meet Mercedes-Benz showroom standards.
For those who discern, here are core reasons why OEM prevails:
- Engineered and tested to harmonize with the G-63 chassis
- Zero compromise on material strength or color durability
- Guaranteed compatibility with other OEM body kit and suspension components
- Supports certified repairs and warranty claims with Mercedes service centers
- Retains the powerful authentic presence and investment value of your G-Wagon
Aftermarket varieties might be cheaper initially.
However, they commonly use subpar plastics or imprecise molds—causing fitment gaps, paint chipping, or premature aging.
In addition, non-genuine installations may void factory warranty or trigger insurance coverage issues, especially on luxury models like AMG G-63.
Therefore, owners who value reliability, aesthetics, and long-term peace of mind universally opt for OEM.
Installation Tips and Maintenance Best Practices
Proper installation and care of the Mercedes AMG G-63 Rear LH & RH Wheel Thread Mudguard Widening Matte Black OEM A4638805703 A4638805803 are key to their effectiveness and longevity.
For best results, always use genuine Mercedes mounting hardware and follow official installation guides.
Furthermore, cleaning the contact surface before mounting prevents corrosion and distortion.
Meanwhile, routine inspection will reveal any loosened fasteners or potential scratches needing attention.
When washing, use gentle automotive shampoos and soft cloths to preserve the matte black finish.
Avoid abrasive cleaners, which can dull and compromise the surface.
In addition, periodic detailing helps maintain that factory-fresh appearance and shields against UV wear.
If driving off-road, rinse away mud and salts promptly to avoid long-term buildup near wheel arches.
Therefore, quick attention extends both life and looks.
Where to Buy Genuine Mercedes AMG G-63 Parts in the UAE
For Middle East enthusiasts, sourcing authentic Mercedes AMG G-63 parts is easy and secure.
The quickest way to shop original components—like the Mercedes AMG G-63 Rear LH & RH Wheel Thread Mudguard Widening Matte Black OEM A4638805703 A4638805803—is through reputable service centers and specialized online retailers.
Moreover, browsing the latest stock listings at Dourado Auto Service allows you to compare options confidently.
Consequently, you are guaranteed 95% brand-new, original factory items—protected by proper guarantees and shipping protocols.
In contrast, unreliable sources or “grey market” vendors may offer repackaged or counterfeit parts, undermining your vehicle and investment.
Similarly, always look for suppliers who can verify part numbers (A4638805703 for LH, A4638805803 for RH) and who specialize in Mercedes-Benz, AMG, and G-Class series.
Likewise, for custom orders or special fitment advice, do not hesitate to reach out to a trusted showroom with expertise in genuine Mercedes parts.
Explore additional inventory and service options at Dourado Auto Service product listings to complete your G-Class care.
For a quick visual overview, see this external resource.
Conclusion and Call to Action
At the end of the day, safeguarding your Mercedes AMG G-63 as a true centerpiece of automotive prestige means never cutting corners.
The Mercedes AMG G-63 Rear LH & RH Wheel Thread Mudguard Widening Matte Black OEM A4638805703 A4638805803 is more than a body panel—it is a badge of authenticity and performance.
Furthermore, only genuine OEM parts guarantee a flawless fit, uncompromised warranty, and enduring value—reflecting the spirit of Mercedes-Benz in every journey.
If you are ready to maintain, enhance, and celebrate your AMG G-63 with the best, choose nothing but original factory parts.
Contact your local AMG specialist today or visit the product listings at Dourado Auto Service for your next authentic upgrade.


