Is this fuel hose submersible? Can it withstand laying inside the gas tank?

Yes. It will not swell like rubber hose. I have it submerged in a Farris zero turn. No problems so far.

Genuine tygon tubing is branded all along the length, can anyone tell me what the tubing says?

"SAINT-GOBAIN Tygon (R) F-4040-A" is inkjet printed in white every foot or so on the yellow tubing.

will this connect to an 5/16 npt thread?

No the 1/4 ID hose will not fit over 5/16 pipe. You will need to go to ACE and in the brass plumbing section get adapter and 1/4 hose barb

I'm guessing you need a 9mm i.d. clamp? or 8mm clamp?because you'd want to squeeze it to something just under 3/8"?

I used a 1/4” worm drive clamp with no issues

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OEM Tygon F-4040-A Premium Cut Length Fuel Line 1/4" ID X 3/8" OD X 5' Feet

OEM Tygon F-4040-A Premium Cut Length Fuel Line 1/4" ID X 3/8" OD X 5' Feet

Product ID: 463905300

Details

Brand
TARSONS WITH
Colour
Yellow
Item weight
0.08 Kilograms
Manufacturer
Saint-Gobain
Material
Polyvinyl
Nominal wall thickness
0.25 inch

📏Precise 1/4" ID x 3/8" OD sizing

🔄Superior flexibility for tight installations

🛢️5 feet of genuine Saint-Gobain Tygon tubing

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VT12887

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Description

🛠️ Upgrade your fuel line game with the pro’s choice tubing!

TRUSTED BRAND QUALITY - Made by Saint-Gobain, the industry leader in premium tubing materials for lasting performance.
EFFORTLESS INSTALLATION - Ultra-flexible PVC tubing bends easily, making upgrades and repairs hassle-free even in tight spaces.
VISIBLE FLOW MONITORING - Translucent yellow design lets you visually confirm fuel flow and detect impurities instantly.
PRECISION FIT GUARANTEED - Exact 1/4" ID and 3/8" OD dimensions ensure seamless compatibility with small engine fuel systems.
ENGINEERED FOR RELIABILITY - Resists swelling & hardening from hydrocarbon fuels to prevent leaks and cracks.

The OEM Tygon F-4040-A Premium Cut Length Fuel Line is a 5-foot, 1/4" ID x 3/8" OD flexible PVC tubing designed specifically for small engines. Manufactured by Saint-Gobain, it offers exceptional resistance to fuel-induced swelling and hardening, ensuring leak-free, durable performance. Its translucent yellow color allows easy flow monitoring, while its flexibility simplifies installation in tight engine compartments. Ideal for gasoline, kerosene, and industrial lubricants, this tubing is a trusted upgrade for professional-grade fuel system maintenance.

Specifications

ASIN	B07H3ZL5QY
Best Sellers Rank	287,742 in Automotive ( See Top 100 in Automotive ) 124 in Automotive Fuel Injection Oil Supply Lines
Brand	TARSONS WITH THE WORDS TRUST DELIVERED
Colour	Yellow
Customer Reviews	4.7 out of 5 stars 388 Reviews
Item Dimensions L x W	152.4L x 1W centimetres
Item Length	60 Inches
Item Weight	0.08 Kilograms
Item weight	0.08 Kilograms
Manufacturer	Saint-Gobain
Material	Polyvinyl Chloride (PVC)
Nominal Wall Thickness	0.25 inch
Nominal wall thickness	0.25 inch
Outside Diameter	0.38 Inches
Product dimensions	152.4L x 1W centimetres
UPC	670628180929 769079144380
Unit Count	1.0 count

Reviews

J**N

Great high quality fuel line, perfect for refreshing old WaveRunner fuel hoses

3.01.2026

S**Z

Just what I needed

6.02.2024

J**K

Good quality fuel line.

24.01.2025

A**N

Best clear fuel hose

30.12.2022

P**S

Love this stuff.

5.08.2025

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VT12887

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In stock

Sold byAmazon VanuatuDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Desertcart purchases this item on your behalf and handles shipping, customs, and support to Vanuatu.

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