19th Aug 2026, 04:13 PM

Nilight 5PCS 30A Fused Relay Socket Harness Holder Kit | 12V 4 Pin SPST Interlocking 30 Amp Automotive Replacement Relays with Fuse for Auto Cars RV Truck SUV Automotive

Price may vary by location, shipping cost, and availability.

15% Off

$12.74

$14.99

Buy @ amazon.com

Highest: $16.99

Average: $13.76

Lowest: $10.79

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Based our analysis and observation, there is 62.75% chance that the price of Nilight 5PCS 30A Fused Relay Socket Harness... will increase. Price of product might fluctuate around 3% from current price.*

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Price History Information

You can check the price history of Nilight 5PCS 30A Fused Relay Socket Harness Holder Kit | 12V 4 Pin SPST Interlocking 30 Amp Automotive Replacement Relays with Fuse for Auto Cars RV Truck SUV Automotive here. This product's current Price in USA is $12.74. The average and highest prices are $13.76 and $16.99 respectively.

Lowest Ever Price	$10.79
15th Jul 2025
Average Price	$13.76
Based on 2654 days price tracking
Highest Price	$16.99
30th Jan 2022

Price History of All Variants of Nilight 5PCS 30A Fused Relay Socket Harness...

Offer Price: $12.74

Nilight 5PCS 30A Fused Relay Socket Harness Holder Kit | 12V 4 Pin SPST Interlocking 30 Amp Automotive Replacement Relays with Fuse for Auto Cars RV Truck SUV Automotive

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Offer Price: $29.69

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Offer Price: $27.89

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Offer Price: $60.29

Nilight 12V Fuse Relay Box 10 Relays 4pin/5pin 40A 10 Fuses Pre-Wired Block

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Offer Price: $17.99

Nilight 12V Fuse Relay Box 2 Relays 4pin 80A 6 Fuses Pre-Wired Block Kit

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Nilight 12V Fuse Relay Box 6 Relays 4pin 40A 11 Fuses Pre-Wired Block Kit | 11-Way ATC/ATO Blade Fuses Holder 12AWG Pre-Wired Relay Box Universal for Automotive Car Truck Camper Boat

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Current Price in USA

Price	$12.74
MRP	$14.99
Savings	$2.25
Discount	15.01%

Recent Price Drops on Nilight 5PCS 30A Fused Relay Socket Harness Holder Kit | 12V 4 Pin SPST Interlocking 30 Amp Automotive Replacement Relays with Fuse for Auto Cars RV Truck SUV Automotive

Price Drop 31st Jul 2026

$16.99 → $12.74

25.01% drop

Price Drop 28th Jun 2026

$13.49 → $12.74

5.56% drop

Price Drop 21st Jun 2026

$14.99 → $13.49

10.01% drop

Price Drop 25th Feb 2026

$14.99 → $10.79

28.02% drop

Price Drop 22nd Dec 2025

$14.99 → $10.79

28.02% drop

Price Drop 20th Nov 2025

$14.99 → $10.79

28.02% drop

Product Information

Details

Product Name	Nilight 5PCS 30A Fused Relay Socket Harness Holder Kit \| 12V 4 Pin SPST Interlocking 30 Amp Automotive Replacement Relays with Fuse for Auto Cars RV Truck SUV Automotive
Store Product Code	B07PK7F1MC
Store Name	amazon.com
Rating	9.4 / 10
Category	Power & Electrical
Product Manufacturer	Nilight
Model Number	50023R
Dimensions	8 x 6 x 2 inches

Features

Upgraded Version - Automotive relays built in fuse socket included 30A blade fuse with heavy duty 14AWG wires for main contact. no need of a separate fuse holder, saving space and money. 4-Pin SPST (Single Pole Single Throw) Relay.
Mounting Design Feature - The interlocking mounting design of unique male and female slot on each socket edge, connect relays together and manage cables easily, offering clean and neat installation.
Easy Wiring - The relay sockets come with color-labeled wires for load/accessories convenient wiring. Black - Ground (85), Red - VDC (30), White - Trigger (86), Blue - Output N/O (87)
Wide Application - Widely used in car keys power control, over-load protection, trunk release, polarity change, power door lock/actuator control, change a low current output to high current, add ignition/accessory outputs, control motors/other electronics etc.
Set includes 5 relays, 5 relay harnesses, and 5 30A blade fuses.

Images

Image of Nilight 5PCS 30A Fused Relay Socket Harness Holder Kit | 12V 4 Pin SPST Interlocking 30 Amp Automotive Replacement Relays with Fuse for Auto Cars RV Truck SUV Automotive

Rating and Reviews

9.4 Based on 2234 reviews

Nilight 5PCS 30A Fused Relay Socket Harness has 9.4 rating out of 10. This average rating is consist of 2234 individual ratings. You can rate this product at product review page.