MERCURY 3503-813563A1 Outboard Driveshaft Housing 135-200 V6
fits model: Marine. make: Mercury.
( Manufacturer Part Number: 3503-813563A1 ), ( Part Type: Hp Driveshaft Housing ), ( Country Of Origin: United States )
Review MERCURY Outboard Hp V6 Xl Driveshaft Housing fits MARINE
The **Mercury Marine 3503-813563A1** is a high-performance, precision-engineered **V6 XL Driveshaft Housing** designed exclusively for the **Mercury 135 200 HP Verado and Mercruiser XL series outboards**, ensuring seamless integration with the latest generation of marine propulsion systems. Crafted from **marine-grade aluminum alloy**, this driveshaft housing is built to withstand the relentless demands of saltwater environments, corrosion, and heavy-duty operation while maintaining optimal rigidity and weight efficiency. The housing features a **robust, sealed design** with **high-strength welds and precision-machined components**, including a **sleeve bearing assembly** and **flanged mounting points**, to deliver smooth, vibration-dampened power transfer from the engine to the propeller. Engineered with **advanced hydrodynamic principles**, this driveshaft housing minimizes drag and maximizes efficiency, allowing for superior acceleration, top-end speed, and overall performance critical for anglers, cruisers, and performance enthusiasts alike. Its **universal compatibility** within the 135 200 HP V6 XL lineup ensures easy installation and compatibility with Mercury s **E-TEC or Mercury Direct Drive** transmissions, while the **integrated oil cooling and lubrication pathways** help maintain optimal operating temperatures under prolonged use. Whether deployed in **deep-sea fishing, offshore cruising, or high-speed racing**, this driveshaft housing embodies Mercury Marine s commitment to **durability, innovation, and uncompromising power delivery**, making it an essential component for those seeking peak performance and long-term reliability in their marine vessel.
### **Pros and Cons of buying a Mercury 3503-813563A1 Marine Outboard V6 XL Driveshaft Housing (135 200 HP)**
#### **Pros**
1. **Compatibility and Fitment**
The 3503-813563A1 is a direct replacement part designed specifically for Mercury outboards in the 135 200 HP V6 XL series. This ensures a precise fit, reducing the risk of installation errors or performance issues.
2. **Durability and Performance**
Mercury marine components are engineered to withstand high torque and stress, particularly in V6 XL models known for their power and reliability. A well-maintained driveshaft housing helps maintain smooth power transfer, reducing wear on the lower unit and propeller.
3. **Ease of Installation**
As an OEM (Original Equipment Manufacturer) part, it comes with all necessary hardware and gaskets, simplifying the replacement process compared to aftermarket alternatives that may require additional modifications or seals.
4. **Warranty Coverage**
Purchasing from an authorized dealer or Mercury-approved supplier often includes a warranty, providing peace of mind against manufacturing defects. This is particularly valuable for critical components like driveshaft housings.
5. **Long-Term Reliability**
The V6 XL series is renowned for its robustness, and using genuine Mercury parts helps preserve the engine s longevity. A failing driveshaft housing can lead to catastrophic failure if ignored, so replacing it with an OEM part ensures structural integrity.
6. **Resale Value**
Boats equipped with original or high-quality aftermarket parts retain better resale value. Using a genuine Mercury part aligns with maintaining the boat s condition, which appeals to potential buyers.
7. **Technical Support and Accessibility**
Mercury provides extensive technical documentation and customer support for their parts. If installation or compatibility questions arise, authorized dealers or Mercury s service network can offer guidance.
---
#### **Cons**
1. **Cost**
Genuine Mercury parts are premium-priced compared to aftermarket alternatives. The driveshaft housing for a high-performance V6 XL model will likely be expensive, potentially ranging from **$500 to $1,200 **, depending on the source and any additional labor costs.
2. **Limited Availability**
While widely available through dealers, some specialty or older models may require ordering from inventory, leading to delays. Aftermarket options might offer faster shipping in certain cases.
3. **Installation Complexity**
Replacing a driveshaft housing requires removing the lower unit, which involves lifting the boat and potentially draining fluids. This is a job best left to professionals unless the buyer has mechanical experience, adding to labor costs if outsourced.
4. **Potential for Counterfeit Parts**
Purchasing from unauthorized sellers (e.g., eBay, uncertified online marketplaces) risks receiving counterfeit or substandard parts. Always verify the seller s authenticity to avoid performance or safety risks.
5. **Weight and Handling**
The driveshaft housing is a heavy component, making transport and installation physically demanding. Lifting it alone may require assistance or tools like a hoist.
6. **Compatibility with Modified Boats**
If the boat has been modified (e.g., custom lower units, extended shafts, or aftermarket driveshafts), the OEM part may not fit perfectly. Custom fabrication or additional parts may be needed, increasing costs.
7. **Environmental and Disposal Considerations**
Old driveshaft housings contain materials that may require proper disposal (e.g., lead in some older models). Buyers must ensure compliance with local regulations for hazardous waste disposal.
---
### **Conclusion**
The **Mercury 3503-813563A1 driveshaft housing** is a high-quality, reliable replacement part for V6 XL outboards in the 135 200 HP range. Its primary advantages lie in **fitment, durability, warranty support, and long-term reliability**, making it the safest choice for maintaining or restoring performance. However, the **high cost, installation complexity, and potential for counterfeit parts** are significant drawbacks that must be weighed against the benefits.
For most boat owners, the **investment in a genuine Mercury part is justified** if the goal is to ensure the boat s safety, performance, and resale value. Aftermarket alternatives may offer cost savings but could compromise fit, quality, or warranty protection. If budget is a concern, a **certified pre-owned or refurbished OEM part** from an authorized dealer could be a middle-ground option.
### **Recommendation**
- **Buy from an authorized Mercury dealer or trusted marine parts supplier** to ensure authenticity and warranty coverage.
- **Budget for professional installation** if mechanical expertise is lacking, as improper handling can void warranties or cause damage.
- **Compare quotes** from multiple sources to verify pricing, especially if considering aftermarket alternatives.
- **Check for recalls or service bulletins** related to the specific model year of your outboard, as Mercury may have issued updates for the driveshaft housing.
- **Prioritize this replacement if the current housing shows signs of cracks, corrosion, or excessive wear**, as failure can lead to severe propulsion system damage.
**Final Verdict:** The Mercury 3503-813563A1 is the **best choice for reliability and performance**, but buyers should carefully consider the upfront and long-term costs against their budget and maintenance capabilities. For most serious boaters, the peace of mind and longevity it provides outweigh the cons.
Details:
Fits Various Mid To Late 1990135-200 HP V6 2-Stroke model's. Mercury Part # 3503-813563A1. THIS IS A XL 25 DRIVESHAFT HOUSING TAKEN OFF 1997 MERCURY 2.5L 175 HP EFI V-175.
part #: 3503813563a1 prices
- $199.00-$300.00
specifications ouboaen:
- for models: Marine
- for makes: Mercury
- mpn: 3503-813563a1
- part type: Hp Driveshaft Housing
- country of origin: United States
payments ouboaen:
- credit card: Mastercard
- other
- wallet: Google-pay
returns ouboaen:
- policy: No Returns
seller ouboaen:
- rating: 100.0%
- # reviews: 8087
- city: Kaukauna, Wisconsin
shipping ouboaen:
- type: Calculated
- class: Expedited
- carrier: USPS
- service: USPS Priority Mail
- transit: 3-9 Days
- cost: $88.50
offer ouboaen:
- started: April 7, 2026
- best offers: True
- sold: 0
- options: Ship-to-home
- availability: In Stock
- quantity: 1
general ouboaen:
- condition: Used
- Boat Parts > Outboard Engines Components > Other
Mercury 3503-813563A1 Is Similar To:
- 031026 Michigan Propeller Aluminum Prop Mercruiser Mercury Outboard (22.5% similar) Pb this prop has some minor damage as seen in the pictures. Please see included pictures. Condition: used but in good condition and guaranteed to function properly. This prop will also fit v6 Honda outboards with the correct hardware. 75 x 21P Mercuries mercury outboard propeller fits various ...(April 3rd, 2018)
- 06168-zy1-307 Honda Mercury Outboard Electric Circuit Breakers (33.6% similar) Products might fit other makes and model's, please research before assuming. Thanks in advance. Have up for sale good quality tested parts that a satisfactory guarantee. These products have been used and will average wear look feel to them...(April 9th, 2018)
- 10-30110 Mercury Lot Of Oem Outboard Screws New Free Shipping (39.7% similar) Lot of 2 oem mercury screws w lock washers used on some vintage mark outboard engines. Please verify comparability before purchase...(April 15th, 2018)
- 10-34691 Mercury Mariner Bulk Lot Pieces Old Stock Outboard Force Chrysler (34.9% similar) This is a bulk lot of new parts for mercury mariner force outboard nos Nola 200 individual part numbers in factory bags with most being multi PACKS1500 total pieces packed USPS medium flat rate box flax...(February 9th, 2019)
- 10-36070 Green Bay Prop Mercury Mariner Mercruiser Marine Engine Screw (27.6% similar) Quicksilver screw, 5-PACKFOR use on many mercury mariner outboards and Mercuries stern drives. Over 120 marine engines use this screw...(July 12th, 2018)
- 10-38055 Mercury Lot Of Oem Outboard Hinge Plate Screws Quicksilver New (34.2% similar) This fee covers the initial shipping cost regardless of label free. Lot of 4 oem mercury outboard hinge plate screws - quicksilver please verify compatibility before purchase...(February 21st, 2019)
- 100-25-20 6h4-11631-01-95 9009a5 9009a13 9009 Mercury Outboard Hp Bottom Guided Rebuild Kit (26.5% similar) ...(March 14th, 2018)
- 100-819748a Forace Mercury Marine Force Top Cowl Hood Cover (37.3% similar) Top of cowl has some normal fading from sun. It is in good used condition, and shows normal signs of wear. No major damage or defects noted on this cowl. Good used top cover cowl from a 1993 force 50 hp outboard...(May 13th, 2018)
- 1004211wk Mercury 4 Hp Outboard (34% similar) It has been garaged stored up right and covered. For sale is a lightly used mercury 4 hp outboard motor model ml. This motor has not been operated in a while. I am the original owner and purchased this outboard new for use on my sailboat. The outboard model number is 1004211WK it considered a 2-...(July 12th, 2017)
- 10238367 Mercury Outboard Cylinder Head Block Water Jacket Cover (30.2% similar) Used cover from a 1978 mercury 115 horsepower 6 cylinder outboard boat motor...(February 1st, 2019)
- 10319 Stiletto Stainless Prop Mercury Yamaha Outboard Propeller (31.9% similar) Condition: used but in good condition and guaranteed to function properly. Part: 10319 stiletto stainless prop x 19P v6 mercury Yamaha outboard propeller fits various mariner motor parts. Please see included pictures...(August 24th, 2018)
