Introduction
For Mercedes-Benz enthusiasts, the pursuit of perfection never ends. Picking the right parts for your prized vehicle isn’t just a matter of performance—it’s about preserving the soul, style, and value of your luxury SUV. Today, we zero in on one of the most sought-after components for G-Class lovers: the Mercedes AMG G-63 Rear LH & RH Wheel Thread Mudguard Widening Gloss Red OEM A4638805703 A4638805803.
However, discerning owners demand more than just eye-catching gloss red accessories. They want genuine parts that promise factory fitment, uncompromised safety, and brand authenticity. This guide unpacks the specs, functions, and absolute benefits of using these OEM mudguard widenings for the legendary G-63 AMG.
Why OEM Parts Matter for the Mercedes AMG G-63
Consequently, when you’re investing in a Mercedes-Benz G-63, you expect nothing less than excellence. OEM parts ensure your vehicle retains all factory safety features, technological integrations, and premium driving dynamics.
For example, the Mercedes AMG G-63 Rear LH & RH Wheel Thread Mudguard Widening Gloss Red OEM A4638805703 A4638805803 was engineered in tandem with the G-Class’s chassis and suspension, guaranteeing it fits perfectly, shields the wheel arch effectively, and delivers seamless aesthetics that match AMG’s high standards.
Moreover, only OEM parts support your warranty and maintain the vehicle’s value. No compromises—just pure Mercedes-Benz excellence.
Key OEM Parts Categories and Specifications
When maintaining or upgrading your G-63 AMG, knowing specific details about genuine parts is crucial. The Mercedes AMG G-63 Rear LH & RH Wheel Thread Mudguard Widening Gloss Red OEM A4638805703 A4638805803 falls within the vital “Body Panels” category, directly affecting exterior protection and appearance.
Let’s look closer at the specifications:
- Part Numbers: A4638805703 (LH), A4638805803 (RH)
- Finish: Gloss Red—luxurious and durable
- Material: High-grade, impact-resistant composite, engineered by Mercedes-Benz
- Direct-fit design—no modifications or drilling required
- Exact color-match with factory AMG red
- Custom-shaped for G-63 AMG rear wheel arches
- Weather-sealed to prevent rust and corrosion
Furthermore, Mercedes-Benz designed these mudguard widenings to work with factory sensors, rear lighting, and wheel arch liners. This synergy ensures reliability over tens of thousands of kilometers, no matter your driving environment.
Additional OEM Categories Influenced by Mudguards
Similarly, mudguard widenings complement other crucial OEM components. For example, proper wheel thread coverage preserves the finish on AMG wheels and calipers, reducing maintenance for:
- Suspension components (e.g., control arms, bushings)
- OEM brake system (rotors & calipers)
- Factory sensors for parking and tire-pressure systems
- Chassis body panels (side skirts, underbody shields)
Thus, selecting genuine mudguard widenings isn’t just about looks—it’s an integrated protection and performance booster for your AMG G-63.
OEM vs Aftermarket: Why Original Wins
In contrast to tempting aftermarket options, OEM parts designed specifically for your Mercedes G-Class offer proven benefits. Here’s why the official Mercedes AMG G-63 Rear LH & RH Wheel Thread Mudguard Widening Gloss Red OEM A4638805703 A4638805803 is the smart choice:
- Engineered for Perfection: Only OEM parts are designed with Mercedes-Benz’s quality assurance, matching every curve and fastener precisely.
- Safer and Stronger: Aftermarket parts may crack or misfit, compromising your vehicle’s protection and resale value.
- Warranty-Safe: Non-genuine parts risk voiding the Mercedes warranty and can reduce trade-in or selling price.
- Premium Materials: Mercedes uses advanced composites to resist impacts, weathering, and UV damage, unmatched by budget imitations.
- Lasting Color and Finish: Factory gloss red is unique—aftermarket colors fade or mismatch, spoiling the look.
Meanwhile, if you’re passionate about keeping your AMG’s appearance, function, and value intact, stick with OEM every time.
Installation Tips and Maintenance Best Practices
Therefore, installing your mudguard widening correctly is key to maximizing its benefits. Always use certified OEM fasteners and rubber seals, provided with every factory part.
For a quick visual overview, see this external resource.

In addition, follow these steps for a seamless replacement:
- Prepare the mounting surface by cleaning and degreasing the wheel arch area.
- Test-fit the part by aligning the bolt holes; there should be no gaps or overlap.
- Secure the mudguard with Mercedes-Benz specified hardware, torque to recommended specifications.
- Inspect for uniform fit and weather seal performance.
Moreover, keep the mudguard clean with gentle washing and non-abrasive products to preserve the gloss finish. Regularly check for stone chips or road debris, and promptly touch up any marks using OEM color-matched materials.
Where to Buy Genuine Mercedes AMG G-63 Parts in the UAE
Fortunately, sourcing authentic Mercedes-Benz parts in the UAE has never been easier. Dourado Auto Service offers a curated selection of genuine products for your AMG G-63, including the renowned Mercedes AMG G-63 Rear LH & RH Wheel Thread Mudguard Widening Gloss Red OEM A4638805703 A4638805803.
Similarly, you can explore more Mercedes-Benz G-Class stock and accessories for a full range of body panels, braking, and interior trim solutions.
Consequently, shopping with a trusted supplier ensures product authenticity, warranty certification, and expert support for enthusiasts across the region.
Moreover, the buying process is quick and transparent—no generic fakes, only the best OEM components. Review the latest arrivals and price guarantees at our Mercedes parts listings.
Conclusion and Call to Action
To sum up, every detail counts when you own a Mercedes-Benz G-63. The Mercedes AMG G-63 Rear LH & RH Wheel Thread Mudguard Widening Gloss Red OEM A4638805703 A4638805803 doesn’t just upgrade your SUV’s looks—it delivers factory performance, optimal protection, and long-term reassurance for the discerning driver.
Therefore, make the premium choice for your AMG G-Class. Invest in real Mercedes-Benz quality—shop directly from Dourado Auto Service, and keep your legend workshop ready for years to come.


