are these set up for 3/8 lines?

No this valve is only for 1/4" air lines

Does this switch have 3 ports for air lines and does it have a slot for a 4pin electrical connection?

No this one has two barbed fittings on the backside for 1/4" OD Airline/ Tubing only. The barbed fitting ports are marked with supply and delivery on the back side. The one you are looking for is with two barbed fittings for 1/4" OD airline and one electric switch to turn ON and OFF your compressor. That one is not listed on Amazon.

If i hook my compressor to my air tank, air tank to switch, switch to airbags. When i push the switch down, will it only drain my air bags of air? Or

No it will also allow the air to go thru them and fill your bags (car go up). The difference with these are they do not have. A manifold or solenoids. The air releases at the switch/valve. Mine is a very simple setup. 1 Compressor, 1 Tank, 1/4" dot lines, valve switches and air bags. Some connectors and It's and I do what I need. I have a 79 El Camino and it lays down and goes up nice and slow.

Would it be possible if I could see the backside of this switch

sure you can contact us and I can send you picture. 4809991232 or try this link https://www.dropbox.com/s/0yjud11z5uz4apk/air%20lift%2021703%20manual%20paddle%20switch%20airlift%20competitorkiller%207.jpg?dl=0

Air Lift 21703 Paddle Valve Switch

Fully operational. Shipping worldwide, on schedule.Customs & duties included in the price

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Fully operational. Shipping worldwide, on schedule.Customs & duties included in the price

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Description

🛠️ Take control of your ride with precision and power!

BUILT TO LAST - Heavy-duty construction ensures no leaks and a solid, durable feel you can trust.
PROUDLY AMERICAN - Manufactured in the USA, guaranteeing quality and reliability.
EASY INSTALLATION - Compact design (8.6 x 6.0 x 11.2 cm) and lightweight (1 lb) for quick setup and hassle-free use.
EFFORTLESS AIR CONTROL - Manual paddle switch lets you inflate or deflate suspension bags with a simple flick.
UNIVERSAL COMPATIBILITY - Designed to fit any 1/4" OD airline for seamless integration.

The Air Lift 21703 Paddle Valve Switch is a robust, manual control switch designed for 1/4" OD airline suspension and load support bags. Made in the USA, it offers a leak-proof, heavy-duty build with universal compatibility, ensuring easy installation and reliable performance for professional-grade air suspension management.

Specifications

ASIN	B001F15TKY
Best Sellers Rank	#453,912 in Automotive ( See Top 100 in Automotive ) #734 in Automotive Replacement Air Suspension Kits
Brand	Air Lift
Brand Name	Air Lift
Connector Type	Barb
Customer Reviews	4.6 out of 5 stars 222 Reviews
Exterior Finish	Painted
Global Trade Identification Number	00729199217036
Manufacturer	Air Lift Company
Manufacturer Part Number	21703
Model Number	21703
Number of Ports	1
Outlet Connection Size	0.25 Inches
Outlet Connection Type	Barb
Set Name	Manual Paddle Switch
Size	1/4 inch
Specification Met	ASME B16.34, MSS SP 72
Thread Size	1/4 inch
Thread Type	1/4 inch
UPC	729199217036
Unit Count	1 Count
Valve Type	Paddle Valve

Reviews

M**Y

Works great

Inflate and deflate air bags on the truck with the flick of the switch. Very easy install and function.

3.07.2023

E**E

REALLY GOOD QUALITY!

I was really intimidated when buying this, I thought they where gonna be low Quality wanna be Airlift switches, But wow! the feel and the sturdiness really good quality no leaks, sturdy feel, heavy feel. and great price! this is my third set cause eBay had more pricier (( around $40 to $80)) but yet cheaper quality and failed within 2 months.. this are legit! great buy!

30.03.2022

M**X

It is very good product

I think it is universal. It is march for Legacy Semi Truck seat. I like it and i install too easy. It holding properly and stable. I like it. Also no air leak

4.09.2019

J**R

Works good

Seems to work well. This one does not have the electrical connection to control the compressor, I wired that to a toggle switch because I've had issues with the ones with the electrical switch built in.

16.12.2019

E**E

Buen producto.

Tengo más de 10 meses con este producto y hasta ahora permanece en óptimas condiciones, trabaja como nuevo. Es altamente recomendable por su calidad.

30.03.2022

H**T

Simple and easy!!

I am using this for my "helper" air springs on the rear axle of my Silverado. No wiring. No solenoids. No fuss!!

22.04.2021

P**L

Good Value

As described, had to return. The valve that was needed looked identical, the one I needed required 12 volts to activate the compressor

26.02.2020

S**N

Review

Good item doing it’s job

29.12.2020

W**R

Satisfait

Parfait en plein s que je voulais

5.09.2023

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Trustpilot

TrustScore 4.5 | 7,300+ reviews

Neha S.

Excellent communication throughout the order process. Product is perfect.

2 weeks ago

Rajesh P.

Customer service was outstanding when I had questions about the product.

2 days ago

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