---
product_id: 23765817
title: "Sierra 18-8114 31\" (+/- 1/4\") Fuel Line Hose for Fuel Pump to Carburetor Connection on Mercruiser"
brand: "sierra"
price: "฿9275"
currency: THB
in_stock: true
reviews_count: 8
url: https://www.desertcart.co.th/products/23765817-sierra-18-8114-31-1-4-fuel-line-hose-fuel
store_origin: TH
region: Thailand
---

# 3/8" (9.5mm) universal fuel line size Precise 31" (+/- 1/4") length for perfect fit PTFE composite hose replaces metal tubing Sierra 18-8114 31" (+/- 1/4") Fuel Line Hose for Fuel Pump to Carburetor Connection on Mercruiser

**Brand:** sierra
**Price:** ฿9275
**Availability:** ✅ In Stock

## Summary

> ⛵ Upgrade your marine engine’s heartbeat with Sierra’s precision fuel line!

## Quick Answers

- **What is this?** Sierra 18-8114 31" (+/- 1/4") Fuel Line Hose for Fuel Pump to Carburetor Connection on Mercruiser by sierra
- **How much does it cost?** ฿9275 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co.th](https://www.desertcart.co.th/products/23765817-sierra-18-8114-31-1-4-fuel-line-hose-fuel)

## Best For

- sierra enthusiasts

## Why This Product

- Trusted sierra brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Seamless Fuel Flow:** Optimized 3/8" diameter ensures efficient fuel delivery from pump to carburetor
- • **Certified Reliability:** Meets SAE J1527 Type A1 standards for marine fuel line safety and performance
- • **Durable PTFE Composite:** Replaces traditional copper or steel tubing with corrosion-resistant, flexible material
- • **Lifetime Peace of Mind:** Backed by Sierra’s industry-leading Customer Satisfaction Warranty for lasting confidence
- • **Precision Fit Guaranteed:** 31" length with +/- 1/4" tolerance for hassle-free installation on Mercruiser engines

## Overview

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 Sierra’s lifetime warranty, it offers professional-grade durability and a perfect universal fit for marine enthusiasts who demand performance and peace of mind.

## Description

Sierra 18-8114 31" (+/- 1/4") Fuel Line Hose for Fuel Pump to Carburetor Connection on MercruiserDETAILS  • Used for Fuel Pump to Carburetor Connection  • PTFE Composite Hose Replaces Copper or Steel Tubing  • Fuel Line Hose Size: 3/8" or 9.5mm  • Hose Length: 31" or 787.4mm  • 5/8" - 18, Male Inverted Flare Straight on One End and 5/8" - 18, 90 Degree on the Opposite End  • Meets SAE J1527 Type A1 Certification ABOUT SIERRA  Sierra is dedicated to protecting you and your investment. For 50 years Sierra, one of the most trusted names in the marine industry, has proudly been offering high quality engine and drive parts. Their products meet or exceed the original equipment part it replaces and are engineered to meet todays high horsepower engine demands while withstanding the harsh marine environment. Sierra's CUSTOMER SATISFACTION WARRANTY  All Sierra parts qualify for Sierra's Industry Leading Customer Satisfaction Warranty. Sierra warrants its products to be free of defects in workmanship and materials for the useful life of the product. If a Sierra product fails to comply with the warranty, Sierra will repair or replace the defective product free of charge. The warranty is subject to additional terms, conditions and limitations. You can view Sierra's full warranty located above in the Technical Specification Section.

## Features

- Used for Fuel Pump to Carburetor Connection
- PTFE Composite Hose Replaces Copper or Steel Tubing
- Fuel Line Hose Size: 3/8" or 9.5mm
- Hose Length: 31" or 787.4mm
- All Sierra parts qualify for and are covered under Sierra's Industry Leading Customer Satisfaction Warranty
- Fit type: Universal Fit

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Brand | Sierra |
| Material | Copper,Ptfe,Steel |
| Color | White |
| Product Dimensions | 31"L x 0.37"W |
| Item Weight | 6.4 ounces |
| Outside Diameter | 9.5 Millimeters |
| Item Length | 31 Inches |
| UPC | 808282187637 |
| Manufacturer | Sierra |
| Global Trade Identification Number | 00808282187637 |
| Model | Sierra 18-8114 31" (+/- 1/4") Fuel Line Hose for Fuel Pump to Carburetor Connection on Mercruiser |
| Item model number | 18-8114 |
| Is Discontinued By Manufacturer | No |
| Exterior | Machined |
| Manufacturer Part Number | 18-8114 |
| OEM Part Number | 717357 |
| Lift Type | MOTOR |

## Product Details

- **Brand:** Sierra
- **Material:** Copper,Ptfe,Steel
- **Color:** White
- **Product Dimensions:** 31"L x 0.37"W
- **Item Weight:** 6.4 ounces
- **Outside Diameter:** 9.5 Millimeters
- **Item Length:** 31 Inches
- **UPC:** 808282187637
- **Manufacturer:** Sierra
- **Global Trade Identification Number:** 00808282187637

## Images

![Sierra 18-8114 31" (+/- 1/4") Fuel Line Hose for Fuel Pump to Carburetor Connection on Mercruiser - Image 1](https://m.media-amazon.com/images/I/41S40Y1vIHL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Makes swapping boat carburetors a LOT easier.
*by K***R on June 25, 2020*

Makes swapping boat carburetors a LOT easier.

### ⭐⭐⭐⭐⭐ Fits and Works Great
*by A***R on September 4, 2017*

Excellent replacement for the metal line on my 3.0 Mercruiser.

### ⭐⭐⭐⭐⭐ Quality upgrade
*by S***G on July 30, 2019*

Flexible, quality replacement.

## Frequently Bought Together

- Sierra 18-8114 31" (+/- 1/4") Fuel Line Hose for Fuel Pump to Carburetor Connection on Mercruiser
- Quicksilver 53336Q Carburetor Fuel Filter Element for MerCruiser Stern Drive and Inboard Engines
- Quicksilver 8M0046752 Fuel Filter for MerCruiser Stern Drive and Inboard Engines

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**Shop now:** [https://www.desertcart.co.th/products/23765817-sierra-18-8114-31-1-4-fuel-line-hose-fuel](https://www.desertcart.co.th/products/23765817-sierra-18-8114-31-1-4-fuel-line-hose-fuel)

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*Product available on Desertcart Thailand*
*Store origin: TH*
*Last updated: 2026-01-26*