JOHNSON CONTROLS AS-FMK102-0 Function Module Terminal Cover Rev.

( Brand: Johnson Controls ), ( Manufacturer Part Number: AS-FMK102-0 ), ( Part Type: Cover Module )

Review JOHNSON CONTROLS Function Module Rev. No Terminal Cover Used

The **Johnson AS-FMK102-0 Function Module Terminal Cover** is a precision-engineered protective enclosure designed specifically for industrial and commercial function module terminals, offering both durability and functionality in demanding environments. Crafted from high-quality, impact-resistant polycarbonate, this cover provides robust shielding against dust, debris, and accidental damage while maintaining optimal airflow to prevent overheating within the terminal housing. Its sleek, modular design ensures a seamless fit over standard function module terminals, such as those used in Johnson Controls AS series, without compromising accessibility for maintenance or calibration. The cover features a secure, snap-on closure mechanism that guarantees a tight seal, minimizing the risk of moisture ingress or contamination in harsh operating conditions, such as manufacturing plants, HVAC systems, or outdoor installations. Engineered with a matte finish, it resists fingerprints and smudges, ensuring a clean, professional appearance even in high-traffic areas. Additionally, the cover s ergonomic grip points allow for easy installation and removal, making it ideal for technicians who require quick access during routine servicing. Whether deployed in a controlled facility or exposed to fluctuating environmental conditions, the AS-FMK102-0 serves as a reliable barrier, extending the lifespan of the terminal while upholding performance standards. Its compatibility with Johnson Controls modular systems ensures seamless integration, making it a versatile solution for enhancing protection and reliability in automated control applications.

**Pros and Cons of buying a Johnson AS-FMK102-0 Function Module Terminal Cover**

The **Johnson AS-FMK102-0** is a replacement cover designed for specific Johnson outboard motor models, particularly those with a function module terminal (often found on older or high-performance models). Below is a detailed analysis of its advantages and disadvantages.

---

### **Pros**

1. **Compatibility and Fit**

The AS-FMK102-0 is manufactured to replace a specific function module terminal cover, ensuring a precise fit for the intended Johnson outboard motor model. This reduces the risk of misalignment or improper installation, which can lead to electrical issues or water ingress.

2. **Protection of Electrical Components**

The cover shields the function module terminals from moisture, dust, and debris, which is critical for preventing corrosion and short circuits. Outboards operate in harsh marine environments, so a properly sealed cover extends the lifespan of internal wiring and connectors.

3. **Prevents Tampering and Theft**

Many function module covers are designed to be tamper-evident or securely fastened, deterring unauthorized access. This can help prevent accidental disconnections or intentional sabotage, which could disrupt engine performance or safety systems.

4. **Ease of Installation**

Johnson s replacement parts are typically designed for straightforward installation, often requiring only basic tools. The AS-FMK102-0 likely follows this standard, making it accessible for boat owners or mechanics without specialized training.

5. **Cost-Effective Repair**

Replacing a damaged or missing cover is far less expensive than repairing or replacing the underlying function module or wiring harness if moisture or corrosion has already caused damage. This part is a simple, low-cost solution to a potential bigger problem.

6. **Maintenance Accessibility**

A properly fitted cover allows for easy access to the terminals when servicing the engine, such as during battery connections, ignition system checks, or wiring repairs. It balances protection with usability.

7. **Warranty and Reliability**

Johnson is a well-known brand in marine outboard motors, and their replacement parts are generally reliable. Purchasing from an authorized dealer or Johnson-approved supplier may also come with warranty coverage, providing peace of mind.

---

### **Cons**

1. **Limited Compatibility**

The AS-FMK102-0 is **not universal** it is designed for **specific Johnson outboard models** (likely those with a function module terminal, such as certain EFI or older two-stroke models). Purchasing the wrong cover could result in an ill-fitting part that fails to protect the terminals effectively. Always verify compatibility with your exact model before buying.

2. **Potential for Counterfeit Parts**

Some aftermarket or third-party sellers may offer knockoff versions of Johnson parts. Counterfeit covers may not meet the same quality standards, leading to poor sealing, incorrect sizing, or failure under stress. Buying from unauthorized sources increases this risk.

3. **Replacement Necessity**

If the original cover was damaged due to wear, impact, or corrosion, replacing it is necessary. However, if the issue stems from deeper problems (e.g., a failing function module or water intrusion elsewhere in the system), simply replacing the cover may not resolve the underlying problem. A thorough inspection is recommended.

4. **Tool Requirements**

While generally straightforward, some covers may require specific tools (e.g., torque wrenches, specialty fasteners) for proper installation. Failure to use the correct tools could lead to overtightening, loosening over time, or improper sealing.

5. **Cost Relative to Other Solutions**

While affordable, the price of the AS-FMK102-0 may seem high if the issue is part of a larger repair project. For example, if the function module itself is failing, replacing the cover alone may not be sufficient, and the cost-benefit ratio could shift unfavorably.

6. **Environmental Exposure Risks**

Even with a cover, prolonged exposure to saltwater, UV rays, and temperature fluctuations can degrade plastic or rubber components over time. The cover may need replacement more frequently in harsh conditions, adding long-term maintenance costs.

7. **Installation Errors**

If not installed correctly such as failing to secure all fasteners or sealing gaskets properly moisture could still penetrate, negating the cover s purpose. Improper installation could also damage the terminals or surrounding components.

---

### **Conclusion**

The **Johnson AS-FMK102-0 Function Module Terminal Cover** is a **practical and cost-effective solution** for protecting critical electrical components in compatible Johnson outboard motors. Its primary benefits lie in **preventing moisture ingress, ensuring compatibility, and extending the lifespan of internal wiring**. However, its usefulness depends on **proper model verification, sourcing from reputable suppliers, and correct installation**.

For most boat owners facing **visible damage, corrosion, or missing covers**, this part is a **simple and wise investment** to avoid more expensive repairs down the line. That said, if the issue is part of a broader electrical or mechanical problem, addressing those root causes simultaneously would be more efficient.

---

### **Recommendation**

1. **Verify Compatibility**: Confirm that the **AS-FMK102-0** is the correct part for your **exact Johnson outboard model and year**. Check the function module terminal label or consult Johnson s parts catalog.

2. **Purchase from Authorized Sources**: Buy the cover from **Johnson dealers, marine supply stores, or reputable online retailers** (e.g., West Marine, Sea-Doo/Johnson authorized sellers) to avoid counterfeit parts.

3. **Inspect Before Installation**: Check the cover for **cracks, warping, or missing seals** before installing. Replace if damaged.

4. **Follow Installation Guidelines**: Use the correct tools and torque specifications to ensure a **secure, watertight seal**. Refer to Johnson s service manual if available.

5. **Combine with Preventative Maintenance**: Regularly inspect the cover and terminals for **corrosion, loose connections, or water damage**. Clean terminals with **marine-grade contact cleaner** and apply **dielectric grease** if needed.

6. **Consider Professional Help if Unsure**: If you re uncomfortable with electrical work or the cover is part of a larger issue (e.g., electrical failures, water leaks), consult a **certified marine mechanic** to diagnose and repair the problem comprehensively.

**Final Verdict**: The **AS-FMK102-0 is a sound purchase** for its intended purpose, provided you ensure compatibility and proper installation. It is a **proactive step** to maintain engine reliability and avoid costly failures. However, treat it as part of a broader maintenance strategy rather than a standalone fix for deeper issues.

Details:

C No Terminal Cover Used: 40.00: Johnson Controls Function Module AS-FMK102-0 Rev. C No Terminal Cover AcDelco 58G2-6.

part #: asfmk1020 prices

• $40.00-$125.00

specifications hvaapa:

• brand: Johnson Controls
• mpn: As-fmk102-0
• part type: Cover Module

offer hvaapa:

• availability: In Stock
• started: February 11, 2026
• quantity: 3
• sold: 0
• best offers: True
• options: Ship-to-home

shipping hvaapa:

• carrier: UPS, USPS
• cost: $17.09
• transit: 2-7 Days
• type: Calculated
• class: Standard, Expedited, One-day
• service: UPS Ground, USPS Priority Mail, UPS 2nd Day Air, UPS Next Day Air

payments hvaapa:

• credit card: Visa
• other
• wallet: Paypal

seller hvaapa:

• rating: 100.0%
• # reviews: 9932
• city: Minneapolis, Minnesota

returns hvaapa:

• policy: Returns Accepted
• time: 30 Days
• paid by: Seller
• method: Money back

general hvaapa:

• condition: Used
• HVAC Refrigeration > HVAC Refrigeration: Parts Accessories > HVAC Refrigeration: Controls Circuit Boards

Johnson Controls AS-FMK102-0 Is Similar To:

• 2ee04706224 Johnson Controls Field Installed Vertical Flow Economizer 680243543757 (42% similar) Condition: new other see details whats in the box: one vertical flow economizer and installation instructions. The item has a dent as noted in picture. The box is damaged. Combined shipping is available on most items when purchased together. If you would like another size or please place that order ...(November 15th, 2018)
• 02-376-335 Johnson Controls Solenoid Air Valve Way (40.3% similar) I can't ship via ups or on buyers account. The shipping price quoted is for areas in continental USA only 48 states. As seen on pictures. Unused surplus. Most items over 13 ounces will go USPS priority mail expedited shipping Johnson Controls V24 solenoid air valve 3 way 440 480V 50 60HZ V24NEW. Box...(March 14th, 2018)
• 025-33280-000 York Johnson Controls Thermal Expansion Valve Nib (42.3% similar) Does not come with original box...(September 20th, 2018)
• 1328 Johnson Controls Oil Failure Cut Out Control Time Delay (46.3% similar) 45 sec time delay...(May 7th, 2018)
• 37-202-8 Johnson Controls Count Mounting Plate Brackets (46.5% similar) Part number codeine Johnson Controls mounting plate brackets. Free shipping l-DNA middle room shelf...(October 6th, 2018)
• 960-2 Johnson Controls Baso Thermocouple (45.6% similar) Johnson Controls basso Thermopylae pilot safety shutoff switch model used condition...(October 22nd, 2017)
• A-4000-1037 Johnson Controls 3 Pack (34.9% similar) 3 pack Johnson Controls inline filter A-4000-1037THESE are clean lightly used filters with a lot of service left in them. Some have lost the label...(January 13th, 2018)
• A19aab-10c Johnson Controls Spst High Range Temperature Control (46.7% similar) Selling best price to create movement better make less on an item and move it than have sit there. Besides, Las Vegas is coming up. This brand new,never used. Start buying...(June 26th, 2018)
• A19aad-26 Johnson Controls Temperature Control (41.7% similar) Johnson Controls A19AAD-26, A19AAD-26C control...(December 26th, 2018)
• A19aba-40c Johnson Controls Remote Bulb Temperature Control (43.6% similar) Johnson Controls A19ABA-40 remote bulb temperature control f code number: A19ABA-40C mechanical 24 to 277VAC psst open low automatic reset 30 100 degree set point range 3/1 2 adjustable differential 6' capillary length with 8 x 4 sensing screwdriver slot adjuster well no. Order separately WEL14A-...(June 21st, 2018)