1. Shocks & Suspension On Sale
  2. sku: 21672162479746632
  3. MERCURY 55-69507A1

MERCURY 55-69507A1 Shock Kit M/x S/r

fits make: Mercury.

55-69507a1 Mercury Vintage Snowmobile Shock Kit M/x And S/r Models

( Manufacturer Part Number: 55-69507A1 ), ( Part Type: Shock )

Review MERCURY Vintage Snowmobile Shock Kit M/x And S/r Model's

The **Mercury 55-69507A1 Shock Kit (M/X S/R)** is a meticulously engineered aftermarket suspension upgrade designed to elevate the performance, handling, and comfort of Mercury s M/X and S/R models, particularly those equipped with the iconic 5.0L Cobra Jet or 4.6L Triton V8 engines. This high-quality shock kit features **heavy-duty, gas-charged shocks** engineered to deliver superior damping performance, ensuring a smoother ride over rough terrain while maintaining precise control during spirited driving. Each shock is built with a **durable coil spring** that enhances stability, reduces body roll, and minimizes sag, making it ideal for both daily driving and track use. The kit includes **high-performance bushings** that resist wear and fatigue, ensuring longevity and consistent performance even under demanding conditions. Whether navigating tight corners at high speeds or absorbing the jolts of a rough road, these shocks provide a balanced blend of comfort and responsiveness, allowing drivers to extract every ounce of capability from their M/X or S/R. The **A1 specification** indicates a refined tuning for optimal handling, making this kit a standout choice for enthusiasts seeking a noticeable improvement in ride quality and vehicle dynamics without sacrificing durability. Perfect for those who demand both performance and refinement, this shock kit is a straightforward yet impactful upgrade for any Mercury owner looking to refine their driving experience.

The **Mercury 55-69507A1 Shock Kit (M/X S/R)** is a popular aftermarket suspension upgrade designed to improve handling, comfort, and ride quality for Mercury Marine outboard engines. Below is a detailed breakdown of its pros and cons, followed by a conclusion and recommendation.

---

**Pros:**

1. **Enhanced Ride Comfort** The shocks are designed to absorb road vibrations and engine vibrations more effectively than stock units, reducing fatigue during long trips. The M/X S/R model offers a balance between firmness and cushioning, making it suitable for both cruising and light fishing applications.

2. **Improved Handling and Stability** The upgraded shocks help maintain a more level ride, reducing engine bounce and pitch, especially when accelerating or decelerating. This can lead to better steering control and reduced wear on the engine mount system.

3. **Durability and Longevity** Mercury s aftermarket shocks are built with high-quality materials and are designed to withstand harsh marine environments, including exposure to saltwater, UV rays, and temperature fluctuations. They often outlast stock shocks, which can degrade quickly due to constant vibration and moisture.

4. **Compatibility with Mercury Outboards** This kit is specifically engineered for Mercury M/X and S/R series engines, ensuring a proper fit and optimal performance without requiring modifications. It includes all necessary hardware for easy installation.

5. **Cost-Effective Upgrade** Compared to full suspension overhauls or more advanced aftermarket systems, this shock kit offers a relatively affordable way to improve ride quality and engine protection. It s a straightforward DIY-friendly upgrade that doesn t require specialized tools or expertise.

6. **Reduced Engine Stress** By dampening excessive movement, the shocks help reduce strain on the engine mounts and other components, potentially extending the lifespan of the engine and related parts.

7. **Positive User Feedback** Many boat owners report noticeable improvements in ride smoothness and reduced engine noise after installing this kit. Reviews often highlight its ease of installation and noticeable difference in comfort.

---

**Cons:**

1. **Limited Performance for Heavy or High-Speed Use** While the M/X S/R shocks improve comfort, they are not designed for extreme performance applications (e.g., high-speed planing, heavy loads, or wakeboarding). For such uses, stiffer or more advanced shocks (e.g., Mercury s performance line or third-party brands like Sea Fox or Tidewell) may be more appropriate.

2. **Not a Complete Suspension Solution** This kit replaces only the shocks, not the engine mounts or other suspension components. If the mounts are worn or damaged, the shocks alone may not provide the full benefit. A full suspension overhaul might be needed for optimal results.

3. **Installation Time and Effort** Replacing shocks requires lifting the engine, removing the old shocks, and installing the new ones. While the process is manageable for most DIYers, it can be time-consuming (typically 1 2 hours per engine) and may require assistance to lift the engine safely.

4. **Potential for Over-Tightening** If the shocks are installed with excessive tension, it can lead to premature wear or even damage to the shock bodies or engine mounts. Following the manufacturer s torque specifications is critical.

5. **Price Point** While affordable for an aftermarket suspension upgrade, the cost may still be a consideration for budget-conscious boat owners. Prices can vary, but the kit typically ranges between $100 $200, depending on the retailer and any additional accessories included.

6. **Warranty Considerations** If the boat is under warranty, replacing shocks with aftermarket parts may void certain coverage, depending on the manufacturer s policies. Always check with Mercury Marine or your dealer before proceeding.

7. **Environmental Factors** In extremely harsh conditions (e.g., frequent exposure to saltwater without proper maintenance), even high-quality shocks can degrade over time. Regular inspections and maintenance are recommended to ensure longevity.

---

**Conclusion:**

The **Mercury 55-69507A1 Shock Kit (M/X S/R)** is a solid, practical upgrade for boat owners seeking to improve ride comfort, reduce engine vibration, and extend the lifespan of their Mercury outboard engines. It strikes a good balance between affordability, ease of installation, and performance for casual cruising, fishing, and light recreational use. The kit is particularly well-suited for owners who want a straightforward improvement without investing in a full suspension overhaul.

However, it is not a universal solution. Boaters with heavy loads, high-speed applications, or existing suspension issues may need to consider stiffer shocks or additional components. Additionally, those who prioritize performance over comfort might find that more advanced aftermarket options deliver better results.

---

**Recommendation:**

If you are looking to enhance the ride quality of your Mercury M/X or S/R outboard engine and want a reliable, easy-to-install upgrade, the **Mercury 55-69507A1 Shock Kit** is an excellent choice. It is ideal for:

- Casual boaters who spend long hours on the water.

- Fishing enthusiasts who want to reduce engine fatigue.

- Owners who want to preemptively protect their engine mounts from wear.

**Install it if:**

- Your current shocks are worn or leaking.

- You experience excessive engine bounce or vibration.

- You want a cost-effective way to improve comfort without major modifications.

**Avoid it if:**

- You frequently operate at high speeds or with heavy loads.

- Your engine mounts are severely damaged and require replacement.

- You are on a tight budget and cannot afford even a modest upgrade.

For best results, pair this kit with regular maintenance, including checking shock integrity, tightening bolts, and ensuring the engine mounts are in good condition. If you re unsure about installation, consult a marine mechanic to avoid potential issues.

Details:

RARE Find for restoration project or accessory show sled. Fits 1975 M/X and S/R 440 model's. May also fit other years or model's of Mercury snowmobiles. You are buying on a NOS Mercury part# 55-69507A1 ski shock kit.

Please view all photos before buying. Kit comes with all that is shown. All vintage parts sodas is. NOTE: This is OEM Mercury Not aftermarket.

part #: 5569507a1 price

  • $235.00

specifications snowmobileshocksoi:

  • for makes: Mercury
  • mpn: 55-69507a1
  • part type: Shock

returns snowmobileshocksoi:

  • paid by: Seller
  • time: 30 Days
  • policy: Returns Accepted

payments snowmobileshocksoi:

  • credit card: Diners-club
  • wallet: Paypal
  • other

offer snowmobileshocksoi:

  • options: Ship-to-home
  • sold: 0
  • availability: In Stock
  • started: February 21, 2026
  • best offers: True
  • quantity: 1

seller snowmobileshocksoi:

  • city: Wessington Springs, South Dakota
  • rating: 100.0%
  • # reviews: 136

shipping snowmobileshocksoi:

  • service: USPS Ground Advantage
  • cost: $26.50
  • carrier: USPS
  • type: Fixed
  • class: Standard
  • transit: 4-10 Days

general snowmobileshocksoi:

  • condition: New other see details
  • Parts Accessories > Snowmobile Parts > Shocks Suspension
for makes: mercury, part type: shock,
category: snowmobile parts > shocks suspension, sku: 21672162479746632,
Mercury 55-69507A1 Is Similar To:
snowmobileshocksoi logo
1 offer $235.00 USD
  • New other (see details). Offer #1 priced at $235.00 + $26.50 shipping estimate = $261.50* total. RARE Find for restoration project or accessory for show sled. Fits 1975 M/X and S/R 440 models.+$26.50 shipping

Copyright © snowmobileshocksoi.com