MERCURY 828151A2 Outboard Tilt Relay Harness

( Manufacturer Part Number: 828151A2 ), ( Part Type: Harness )

Review MERCURY Oem Outboard Trim Tilt Relay Harness Assembly

The **Mercury 828151A2 Outboard Tilt Relay Harness** is a precision-engineered electrical component designed specifically for Mercury outboard motors, ensuring seamless integration between the tilt mechanism and the motor s control system. This high-quality harness serves as the critical link between the tilt switch, relay, and the motor s electrical wiring, facilitating smooth and reliable operation of the tilt-and-trim functions. Crafted with durable, marine-grade materials, the harness is built to withstand the harsh conditions of saltwater, UV exposure, and constant mechanical stress, making it an essential upgrade for boaters seeking long-term reliability and performance. The 828151A2 model is engineered to fit a wide range of Mercury outboard models, including those equipped with electronic tilt systems, ensuring compatibility with both older and newer motor designs. Its robust construction includes shielded wiring and secure connectors, minimizing the risk of electrical interference, corrosion, or signal loss, which can lead to erratic tilt behavior or complete system failure. Whether installed in a performance fishing boat, a family cruiser, or a high-end yacht, this harness enhances the overall functionality of the tilt mechanism, allowing for effortless adjustment of the motor s angle for optimal performance, fuel efficiency, and ease of handling. By reducing the likelihood of wiring-related issues, the Mercury 828151A2 Outboard Tilt Relay Harness contributes to a smoother, more responsive boating experience while extending the lifespan of the motor s electrical components.

### **Pros and Cons of buying a Mercury 828151A2 Outboard Tilt Relay Harness**

1. **Compatibility** This part is specifically designed for Mercury outboards, ensuring a proper fit with minimal risk of electrical issues or damage to the system.

2. **Reliability** Mercury marine components are generally built to withstand harsh marine environments, reducing the likelihood of premature failure.

3. **Easy Installation** The harness is pre-wired and modular, simplifying the replacement process compared to custom wiring jobs.

4. **Prevents Common Issues** A faulty tilt relay can cause erratic tilt/trim operation or complete failure. Replacing it with an OEM or high-quality aftermarket part restores proper functionality.

5. **Cost-Effective** Compared to full wiring repairs or replacement, this is a relatively inexpensive fix that extends the life of your outboard.

6. **Warranty Coverage** If purchased new, it may still be under warranty, providing peace of mind against defects.

7. **Improves Safety** A properly functioning tilt relay ensures the outboard operates as intended, reducing risks of accidental engagement or disengagement while in use.

1. **Limited Availability** Depending on the region, this part may not be readily available at all marine supply stores, requiring online ordering or special ordering.

2. **Potential Counterfeit Risk** If buying from third-party sellers, there is a chance of receiving a knockoff part that may not meet OEM standards, leading to reliability issues.

3. **Additional Labor Costs** While the part itself is affordable, professional installation may be required if the owner lacks mechanical/electrical experience.

4. **Compatibility Doubts** If the outboard model is older or modified, there is a slight chance the harness may not fit perfectly, requiring additional adjustments.

5. **No Performance Upgrade** This is a replacement part, not an upgrade. It will restore functionality but won t improve speed, efficiency, or other performance metrics.

6. **Wiring Integrity Check Needed** If the original wiring was damaged or corroded, simply replacing the relay harness may not fully resolve the issue, requiring inspection of the entire system.

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### **Conclusion**

The **Mercury 828151A2 Outboard Tilt Relay Harness** is a practical and necessary replacement for boats experiencing tilt/trim malfunctions. Its OEM compatibility, reliability, and ease of installation make it a sound choice for restoring proper outboard operation. However, buyers should ensure they source the part from a trusted supplier to avoid counterfeit issues and verify that the wiring system is otherwise intact.

For most boat owners dealing with tilt relay failure, this is the **recommended solution** either for DIY installation (if comfortable with basic wiring) or professional fitting (for added assurance). If the issue persists after replacement, further diagnostics may be needed to rule out other electrical or mechanical problems.

**Final Recommendation:** Purchase the **Mercury 828151A2** from an authorized dealer or reputable online retailer (e.g., Mercury Marine s official site, MarineMax, or BoatUS) to ensure authenticity. If unsure about installation, consult a marine electrician to avoid voiding warranties or causing further damage.

Details:

Good used condition. Removed from running Mercury 125 HP outboard. OEM Mercury outboard trim/tilt relay set with wiring harness. Verify fitment before purchase.

Includes both relays and pigtail connectors.

part #: 828151a2 price

• $35.00

specifications ouboaen:

• for makes: Mercury
• mpn: 828151a2
• part type: Harness

payments ouboaen:

• other
• credit card: Discover
• wallet: Apple-pay

offer ouboaen:

• options: Ship-to-home
• quantity: 1
• availability: In Stock
• sold: 0
• best offers: True
• started: April 28, 2026

general ouboaen:

• condition: Used
• Boat Parts > Outboard Engines Components > Other

shipping ouboaen:

• type: Calculated
• transit: 6-11 Days
• carrier: USPS
• service: USPS Ground Advantage
• class: Standard
• cost: $9.42

seller ouboaen:

• rating: 100.0%
• city: Pensacola, Florida
• # reviews: 1

returns ouboaen:

• policy: No Returns

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