FOUR SEASONS 25787QNKQ Control Relay A/c

( Brand: Four Seasons ), ( Manufacturer Part Number: 25787QNKQ ), ( Part Type: Control ), ( Manufacturer Warranty: 12 Month Warranty ), ( Notes: A/c Compressor Control Relay ), ( Years: 1995 1998 1999 2000 2001 2002 ), ( Application: Nissan Altima A/c Control Relay ), ( Cs-sku: 400 )

Review FOUR SEASONS Nissan A/c Control Relay fits ALTIMA 1995–2002

The **Seasons 25787QNKQ A/C Control Relay** is a high-quality, direct-fit replacement relay designed specifically for the **1995 2002 Nissan Altima**, ensuring seamless integration with the vehicle s electrical system. This relay plays a critical role in the air conditioning control circuit, allowing the A/C compressor clutch to engage and disengage smoothly based on driver input from the climate control panel. Crafted with durable materials, the **25787QNKQ** is built to withstand the rigors of daily driving, providing reliable performance under varying temperature conditions and electrical loads. Its precise engineering ensures minimal resistance and optimal current flow, preventing common issues like intermittent A/C failure, delayed compressor activation, or complete system shutdowns. Whether your 1998 2002 Altima is experiencing erratic A/C behavior, a dead relay, or simply requires preventive maintenance, this relay offers a straightforward and cost-effective solution. Backed by compatibility with the **1995 1999** (pre-facelift) and **2000 2002** (facelift) models, it eliminates the need for modifications, making it an ideal upgrade for both DIY enthusiasts and professional mechanics. With its robust construction and adherence to OEM specifications, the **Seasons 25787QNKQ** restores confidence in your Altima s climate control system, ensuring consistent cooling performance for years to come.

Buying a used **AC control relay** (part number **25787QNKQ**) for **1998 2002 Nissan Altima** models (and compatible with **1995 2001** Altimas) has both advantages and drawbacks. Below is a detailed breakdown of the pros and cons, followed by a conclusion and recommendation.

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### **Pros of Buying a Used AC Control Relay**

1. **Cost Savings**

A new AC control relay typically costs between **$20 and $50**, depending on the brand and retailer. A used relay can be significantly cheaper often **$5 to $20** if sourced from a reliable seller (e.g., eBay, junkyards, or online marketplaces). This makes it an attractive option for budget-conscious buyers.

2. **Immediate Availability**

If you need the part urgently and cannot wait for a new relay to arrive, a used unit may be available faster. Some sellers offer expedited shipping, reducing downtime for repairs.

3. **Compatibility Verification**

Since the relay is listed as compatible with multiple model years, you can confirm its fitment before purchasing. This reduces the risk of ordering the wrong part, which can happen with aftermarket or generic replacements.

4. **Potential for Testing**

Some used relays come with brief descriptions of their condition (e.g., "works fine" or "tested"). While this is not always reliable, it may give you a slight edge over buying a new, untested part blindly.

5. **Environmental Benefit**

Reusing a functional relay reduces electronic waste, which can be a minor ethical consideration for environmentally conscious buyers.

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### **Cons of Buying a Used AC Control Relay**

1. **Uncertain Condition**

The biggest risk is that the relay may be **faulty, damaged, or partially worn out**. Unlike new parts, used relays lack warranties or return policies, meaning you could end up with a non-functional unit that requires replacement sooner than expected. Common issues include:

- **Internal corrosion** (from exposure to moisture).

- **Worn contacts** (leading to intermittent or no connection).

- **Physical damage** (bent pins, cracked housing).

- **Electrical failure** (burnt-out coils or contacts).

2. **No Warranty or Return Policy**

Most used parts are sold **as-is**, meaning if the relay fails immediately or after installation, you have no recourse. New parts typically come with at least a **90-day warranty**, providing peace of mind.

3. **Risk of Counterfeit or Mismatched Parts**

Some sellers may list a relay as "compatible" but actually sell a **generic or non-OEM part** that doesn t fit or function correctly. Without physical inspection, you cannot verify pin configuration or physical dimensions.

4. **Potential for Hidden Damage**

Even if the relay looks intact, it may have **internal defects** (e.g., a cracked coil or oxidized contacts) that aren t visible externally. These issues can cause **intermittent AC problems**, such as the system turning on and off randomly.

5. **Lack of Documentation**

New parts usually come with **installation instructions or diagrams**, while used relays may lack any guidance. This can make installation more difficult, especially for inexperienced DIYers.

6. **Sourcing Reliability**

Buying from unknown sellers increases the risk of **scams, mislabeled parts, or shipping delays**. Platforms like eBay or Craigslist may have inconsistent seller reputations, whereas OEM or authorized dealers offer guarantees.

7. **Limited Lifespan**

Even if the relay works now, it may have **limited remaining life** due to wear. A new relay is designed for the full lifespan of the vehicle, whereas a used one could fail prematurely, leading to repeated replacements.

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### **How to Mitigate Risks When Buying Used**

- **Buy from a trusted source**: Prefer sellers with **high ratings, verified feedback, or junkyard certifications**.

- **Request photos/videos**: Ask for **close-up images** of the relay s pins, contacts, and housing. Look for signs of corrosion or damage.

- **Check for testing**: Some sellers may confirm if the relay was tested before sale (e.g., "works in a 1999 Altima").

- **Compare prices**: Ensure the price is **significantly lower** than new parts (e.g., $10 vs. $40) to justify the risk.

- **Consider a warranty**: Some used part sellers offer **limited warranties** (e.g., 30 days). Verify this before purchasing.

- **Test before installation**: If possible, test the relay in a known-working system (e.g., borrow a friend s Altima) to confirm functionality.

---

### **Conclusion**

Buying a **used AC control relay (25787QNKQ)** for your **1998 2002 Nissan Altima** can be a **cost-effective solution** if you find a **reliable, well-documented unit** from a trusted source. However, the **risks of hidden defects, lack of warranty, and potential incompatibility** make it a **high-risk, low-reward** option compared to purchasing a new part.

For most buyers, the **safety, reliability, and peace of mind** of a **new OEM or high-quality aftermarket relay** far outweigh the minor cost savings of a used part. Unless you are **certain of the relay s condition** and have **no other options**, it is generally **not worth the gamble**.

---

### **Recommendation**

1. **Prioritize a new relay** from a reputable dealer (e.g., **Nissan parts store, RockAuto, or Amazon**) for **$20 $50**. The **warranty, reliability, and compatibility** make it the best choice.

- Stick to **verified sellers** (e.g., junkyards with return policies).

- **Insist on photos/videos** of the relay s condition.

- **Test it** if possible before installation.

- Be prepared to **replace it immediately** if it fails.

3. **Alternative**: If the relay is the only issue, consider **borrowing one from a friend s Altima** for testing before committing to a purchase.

**Final Verdict**: Unless you are **desperate for a quick fix** and have **no other options**, **avoid used relays** for this application. The **long-term reliability and safety** of a new part justify the slightly higher cost.

Details:

12 Month Warranty Fitment Notes: Vehicle: 1998 - 2002 Nissan Altima. Quality contacts ensure proper conductivity. OE molded connectors. Vehicle specific applications.

Parts Geek - For 1998 - 2002 Nissan Altima A/C Control Relay 25787QNKQ 1995 1999 2000 2001: Review Fitment Notes to Ensure Proper Fit condition: New Brand: Four Seasons Notes: Compressor Amperage Rating: 30 Color: Blue Features: Precision engineered.

part #: 25787qnkq price

• $31.07

specifications nssnheatcontrol:

• for models: Altima
• for makes: Nissan
• for years: 1995-2002
• brand: Four Seasons
• mpn: 25787qnkq
• part type: Control
• manufacturer warranty: 12 Month Warranty
• notes: A/c Compressor Control Relay
• years: 1995 1998 1999 2000 2001 2002
• application: Nissan Altima A/c Control Relay
• cs-sku: 400

general nssnheatcontrol:

• condition: New
• Car Truck Parts Accessories > Air Conditioning Heating > HVAC Controls Control Units

offer nssnheatcontrol:

• sold: 0
• started: April 10, 2026
• quantity: 1
• options: Ship-to-home
• availability: In Stock

payments nssnheatcontrol:

• wallet: Paypal
• other
• credit card: Mastercard

shipping nssnheatcontrol:

• type: Fixed
• service: FedEx Ground / FedEx Home Delivery
• cost: $0.00
• transit: 4-7 Days
• carrier: FedEx
• class: Standard

seller nssnheatcontrol:

• # reviews: 327385
• rating: 98.7%
• city: Pico Rivera, California

returns nssnheatcontrol:

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

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