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โต Upgrade your marine engineโs heartbeat with Sierraโs precision fuel line!
The Sierra 18-8114 is a 31-inch PTFE composite fuel line hose designed for Mercruiser engines, replacing traditional metal tubing with a corrosion-resistant, flexible alternative. Sized at 3/8" diameter and meeting SAE J1527 Type A1 certification, it ensures reliable fuel delivery from pump to carburetor. Backed by Sierraโs lifetime warranty, it offers professional-grade durability and a perfect universal fit for marine enthusiasts who demand performance and peace of mind.



| ASIN | B000N9K0L2 |
| Best Sellers Rank | #1,024,193 in Automotive ( See Top 100 in Automotive ) #904 in Automotive Replacement Fuel Hoses |
| Brand | Sierra |
| Color | White |
| Customer Reviews | 4.3 4.3 out of 5 stars (63) |
| Date First Available | February 6, 2007 |
| Exterior | Machined |
| Global Trade Identification Number | 00808282187637 |
| Is Discontinued By Manufacturer | No |
| Item Length | 31 Inches |
| Item Weight | 6.4 ounces |
| Item model number | 18-8114 |
| Lift Type | MOTOR |
| Manufacturer | Sierra |
| Manufacturer Part Number | 18-8114 |
| Material | Copper,Ptfe,Steel |
| Model | Sierra 18-8114 31" (+/- 1/4") Fuel Line Hose for Fuel Pump to Carburetor Connection on Mercruiser |
| Nominal Wall Thickness | 3.2 millimeters |
| OEM Part Number | 717357 |
| Outside Diameter | 9.5 Millimeters |
| Product Dimensions | 31"L x 0.37"W |
| UPC | 808282187637 |
K**R
Makes swapping boat carburetors a LOT easier.
Makes swapping boat carburetors a LOT easier.
A**R
Fits and Works Great
Excellent replacement for the metal line on my 3.0 Mercruiser.
S**G
Quality upgrade
Flexible, quality replacement.
J**Y
Fuel leaks
Did not fit carburetor fitting, leaked fuel through the brass nut
D**F
Needs a little work to fit properly
Purchased to replace the hard tube that went from the fuel pump to the carb on a 351 Ford. Because the tube was so long I had to route it around the distributor and then back to the carb inlet.The carb is a Holley model 4160. When routing you need to be careful because the hose will kink rather easily. Also had to re-tighten the flare fittings a few times to keep them from leaking. Seems to be working ok now.
T**M
Did not fit
Did not fit
T**.
Fuel Line Hose
nice Fuel Line Hose , but need fittings to use
M**S
Unsafe.
The media could not be loaded. I think the regulators who designed this need to be fired. Buy sae j1527-15 hose that does not have braided covering and make your own. This should be recalled.
Trustpilot
5 days ago
1 month ago