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Item #:
87889222
Painless Performance 30103 Fan Relay with Thermostatic Switch, 185 On/175 Off
Item #:
87889222
TMT 264
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Imported from USA store
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Only 20 items left in stock.
Order now and get it around Thursday, August 27
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Inexpensive protection for an electric fan and a vehicle's wire harness.
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What Stands Out
Temperature Control
Maintains optimal temperatures by activating the fan at 185°F and deactivating at 175°F, ensuring efficient engine cooling and preventing overheating.
Easy Installation
Designed for straightforward installation, the fan relay simplifies upgrading cooling systems without the need for extensive modifications or technical expertise.
Durability Assurance
Constructed from high-quality materials, this fan relay guarantees long-lasting performance, delivering reliability and peace of mind for vehicle owners and enthusiasts alike.
Product Details
| Connector Type | Crimp |
| Contact Type | Spst |
| Current Rating | 30 A, 40 A |
| Mounting Type | Threaded |
| Operation Mode | Electric |
| Wattage | 1.5 watts |
| Contact Current Rating | 40 A |
| Lower Temperature Rating | 175 °F |
| Maximum Switching Current | 40 A |
| Upper Temperature Rating | 85 °C |
| Specification Met | Compliant With Relevant Industry Standards for Fan Relays and Thermostatic Switches |
| Contact Material | Most Likely Silver, Gold, Or Copper |
| Part Interchange Info | 30103 |
| Brand Name | Painless |
| UPC | 749823301030 |
| Unit Count | 1 Count |
| Global Trade Identification Number | 00749823301030 |
| Included Components | SPST 40-amp relay, 30-amp circuit breaker, thermostatic switch 185°F On/175°F Off (thread size: ⅜"-18NPT), ½"NPT to ⅜"NPT adapter, relay base with harness (6' input, 4' output), crimp-on terminals, mounting hardware |
| Item Type Name | Fan Relay with Thermostatic Switch, 185 On/175 Off |
| Item Weight | 4.8 ounces (136.08 grams) |
| Manufacturer | Painless Performance Products, LLC |
| Model | 30103 |
| Part Number | 30103 |
What's in the box
SPST 40-amp relay, 30-amp circuit breaker, thermostatic switch 185°F On/175°F Off (thread size: ⅜"-18NPT), ½"NPT to ⅜"NPT adapter, relay base with harness (6' input, 4' output), crimp-on terminals, mounting hardware
Who Should Buy?
-
Classic Car Enthusiasts
Ideal for vintage vehicles needing reliable cooling systems to maintain optimal engine temperatures during operation.
-
Hot Climate Drivers
Perfect for those living in warmer regions where efficient cooling is essential for maintaining vehicle performance.
-
DIY Mechanics
A great choice for home mechanics looking to enhance their vehicle’s cooling system with an easy installation process.
-
High-Performance Cars
Not suitable for racing applications where superior cooling systems or advanced features are necessary for optimal performance.
Product Description
Have any Query? Chat with us
Customer Questions & Answers
-
Question:
What is the purpose of the thermostatic switch?
Answer: The thermostatic switch regulates the fan operation based on engine temperature for efficient cooling. -
Question:
Is the installation process complicated?
Answer: No, the kit includes all necessary hardware and instructions for easy installation. -
Question:
Can this kit be used with any type of vehicle?
Answer: Yes, it is designed for various applications including classic cars, muscle cars, and off-road vehicles.
Painless Relays Editorial Review
The Painless Performance 30103 Fan Relay with Thermostatic Switch is receiving a mixed reception from customers, particularly among enthusiasts looking for a reliable solution for their electric radiator fans. Users generally praise the product's straightforward installation and high-quality Construction, aligning with the brand's strong reputation for hot rod wiring accessories. Many reviewers highlight the simplicity of the setup, noting that the included wiring harness is well labeled and easy to follow. One customer mentioned that the installation process on their 1965 F100 was seamless, thanks to the product's comprehensive electrical drawings. However, not all experiences have been positive. While many found the relay performed flawlessly, there are reports of malfunctioning units. A user expressed frustration with a switch that did not activate even at high temperatures, highlighting potential quality control issues. This inConsistency in performance may deter some potential buyers, especially those relying on the device for critical cooling functions. Overall, the Painless Performance 30103 Fan Relay offers a strong solution for those seeking reliable wiring for their electric radiator fans, but Prospective buyers should be cautious about potential defects. **
Customer Reviews & Ratings
30 customers ratings
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5 Star
82%
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4 Star
9%
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3 Star
4%
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5%
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Pros
- Easy to install with clear labeling
- High-quality Construction and materials
- Well-structured wiring harness with good documentation
- Generally reliable performance reported by multiple users
Cons
- InConsistent product performance; some units may malfunction
Platform Trust & Buyer Confidence
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Verified buyer
“Excellent quality and original too,when ubuy send original things I will appreciate that ,I very satisfied thank you”
23 July 2026 · via Trustpilot
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“The order and delivery progress was communicated very well. Package arrived within the estimated time. Products arrived as expected in good condition.”
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23-Jul-26 · via Trustpilot
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“Was my first time buying a product from Ubuy, but I found it so helpful. This is reliable. Gonna place a new order!”
22 July 2026 · via Trustpilot
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23 July 2026 · via Trustpilot
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- Limitations : For products shipped internationally, please note that any manufacturer warranty may not be valid; manufacturer service options may not be available; product manuals, instructions, and safety warnings may not be in destination country languages; the products (and accompanying materials) may not be designed in accordance with destination country standards, specifications, and labeling requirements; and the products may not conform to destination country voltage and other electrical standards (requiring use of an adapter or converter if appropriate). The recipient is responsible for assuring that the product can be lawfully imported to the destination country. When ordering from Ubuy or its affiliates, the recipient is the importer of record and must comply with all laws and regulations of the destination country.
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TMT 264
Order now and get it around Thursday, August 27
This item is not restrict in my country.(Please click on above link if this item is not restrict in your country, So our team will review and allow.)
QTY:
Only 20 items left in stock.
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Features & Benefits
- Affordable kit ensures safety for electric fans and wiring.
- Includes a reliable 40-amp relay and 30-amp circuit breaker.
- Features a threaded thermostatic switch for easy installation.
- Maintains constant voltage and prevents voltage spikes.
- Switch operates at 185°F On and 175°F Off for optimal performance.
- Comes with necessary adapters and mounting hardware for convenience.
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