This is a complete fuel line assembly for a Mercury Engine made after 1993. It features a Hose Barb Connector and a Clip-on engine connector.
Marine Fuel Line Assemblies
Mercury Mariner Fuel Line Assembly (Pre 1988 And Select Newer Models) – L8517-5
SKU: L-8517-5
$99.99
PRODUCT HIGHLIGHTS
✔ Fits Many Mercury® & Mariner® Outboards
✔ Complete Ready-to-Install Fuel Line Assembly
✔ OEM-Style Externally Threaded Connectors
✔ Marine-Grade Low-Permeation Fuel Hose
✔ EPA & CARB Compliant Components
✔ Premium Primer Bulb for Reliable Fuel Delivery
✔ Custom Lengths Available Upon Request
✔ Built for Harsh Marine Environments
Mercury Fuel Line Assembly (Pre-1988 & Select Later Models) – L8517
The Larand L8517 Fuel Line Assembly is designed for Mercury and Mariner outboard engines utilizing the older externally threaded fuel connector system commonly found on engines manufactured prior to 1988, as well as select later-model applications. This complete fuel line assembly features externally threaded tank and engine connectors, a premium primer bulb, and marine-grade fuel hose for dependable fuel delivery.
Built with EPA- and CARB-compliant components, the L8517 is engineered to provide reliable performance, long service life, and secure fuel system connections in demanding marine environments.
Specifications
Part Number: L8517
Hose Size: 5/16″ I.D.
Engine Connector: Mercury/Mariner externally threaded style
Tank Connector: Mercury/Mariner externally threaded style
Fuel Hose: A1-15 Marine-grade low-permeation fuel hose
Primer Bulb: EPA & CARB compliant
Replaces OEM Part Numbers:
- 32-17254T8
- 32-877682T8
Applications
Compatible with many Mercury and Mariner outboards utilizing the externally threaded fuel connector system, including numerous engines manufactured prior to 1988 and select later-model applications.
Verify connector style before ordering.
Features
✔ Fits Many Mercury® & Mariner® Outboards
✔ Complete Ready-to-Install Fuel Line Assembly
✔ OEM-Style Externally Threaded Connectors
✔ Marine-Grade Low-Permeation Fuel Hose
✔ EPA & CARB Compliant Components
✔ Premium Primer Bulb for Reliable Fuel Delivery
✔ Custom Lengths Available Upon Request
✔ Built for Harsh Marine Environments
Customization Available
Need a additional hose length for your vessel/engine setup? Larand can build custom fuel line assemblies to meet your specific requirements. Most custom assemblies ship within one business day.
Please visit here for product packaging samples and additional details.
Shipping & Delivery
Fast Shipping
Larand Marine Products operates from Florida, where we manufacture select components and assemble, inspect, package, and ship marine fuel system products. Maintaining inventory and assembly operations in-house allows us to offer fast turnaround times and responsive customer service.
- Most orders ship within one business day
- Same-day shipping available on many orders placed before noon ET
- Custom assembly options available
- Tracking information provided on all shipments
Refund & Return Policy
Returns
We want you to be satisfied with your purchase from Larand Marine Products.
If you receive an incorrect item due to our error or a product damaged during shipment, please contact us within 30 days of delivery. We will work quickly to replace the item or issue a full refund.
For all other returns, products must be:
- Returned within 30 days of delivery
- Unused and uninstalled
- In original packaging and resalable condition
- Accompanied by proof of purchase
A Return Merchandise Authorization (RMA) may be required prior to return.
Limited Warranty
Larand Marine Products warrants that its products will be free from defects in materials and workmanship under normal use and service for a period of one (1) year from the date of purchase.
If a product is determined by Larand Marine Products to be defective due to materials or workmanship during the warranty period, Larand Marine Products will, at its option, repair, replace, or refund the purchase price of the product.
Warranty Limitations
This warranty does not cover failures resulting from:
- Improper installation
- Misuse, abuse, or neglect
- Modification or alteration of the product
- Use with incompatible fuels or equipment
- Normal wear and tear
- Exposure to chemicals, solvents, or environmental conditions beyond intended use
- Damage caused by accidents, impact, fire, flooding, or other external causes
Disclaimer
Because installation methods, operating conditions, and equipment configurations are beyond our control, Larand Marine Products shall not be liable for incidental, indirect, special, or consequential damages, including but not limited to vessel damage, engine damage, towing expenses, loss of use, or lost profits.
Warranty Claims
To submit a warranty claim, contact Larand Marine Products with:
- Proof of purchase
- Product information
- Description of the issue
- Photos of the product, if requested
Products may be required to be returned for inspection before a warranty determination can be made.
Customer Satisfaction
We take pride in the quality of our products and stand behind what we sell. If you experience an issue with a Larand product, please contact us and we will work to provide a fair and timely resolution.
Other Products
Honda Fuel Line Assembly – Pre-2001 Honda Outboards – L8527-3
Honda Fuel Line Assembly – Pre-2001 Honda Outboards – L8527-3 REPLACES OEM PN: 17700-881-C01ZA
$94.99
ADD TO CART
Tohatsu / Fuel Line Assembly For 2-Stroke Engines From 5 To 90HP - L8595
This is a complete fuel line assembly for a Tohatsu 2-stroke engine between 5 and 90HP.
Price range: $96.99 through $103.99
ADD TO CART
Tohatsu / Outboard Fuel Line Assembly For 4-Stroke Engines - L9000
Complete OEM equivalent fuel line assembly for a Tohatsu / Nissan 4-stroke engine. Available in 3/8" or 5/16" hose size
Price range: $96.99 through $103.99
ADD TO CART
Our Product & Service Quality
Why Larand?
Not all marine fuel line assemblies are built to the same standards. The quality of the hose, primer bulb, fittings, and assembly methods can have a significant impact on long-term performance and reliability. If your only consideration is the lowest purchase price, Larand may not be the right choice. We focus on delivering long-term value through quality materials, dependable performance, and proven durability.
Larand fuel line assemblies utilize marine-grade low-permeation fuel hose, premium fuel connectors, and EPA- and CARB-compliant primer bulbs designed to remain flexible and dependable across a wide range of operating conditions. These components are selected to provide reliable fuel delivery, resist leakage, and withstand the demanding environments encountered by today’s boaters.
Larand products have been supplied for recreational, commercial, government, and military marine applications where equipment reliability is critical. Larand fuel delivery products have been supplied for military marine applications, including specialized operational platforms where reliability and performance are mission-critical.
For over 60 years, Larand Marine Products has built its reputation by providing quality fuel system components backed by responsive customer support and a commitment to excellence.
FAST SHIPPING & DELIVERY
Larand Marine Products operates from Florida, where we manufacture select components and assemble, inspect, package, and ship marine fuel system products. Maintaining inventory and assembly operations in-house allows us to offer fast turnaround times and responsive customer service.
Most orders ship within one business day
Same-day shipping available on many orders placed before noon ET
Custom assembly options available
Tracking information provided on all shipments
We understand that downtime on the water is frustrating, which is why we work hard to process and ship orders as quickly as possible.
STRICT QUALITY CONTROL
Every Larand fuel line assembly is built with carefully selected, marine-grade components designed for long-term reliability. Precision-manufactured fittings, smooth-band stainless steel clamps, and premium low-permeation A1-15 marine fuel hose are combined to create a fuel system engineered for durability and dependable fuel delivery. Each assembly is inspected prior to shipment to help ensure reliable performance in demanding marine environments.
HIGH QUALITY MATERIALS
Every Larand fuel line assembly is built using premium marine-grade materials selected for durability and performance. Our proprietary primer bulb rubber compound remains flexible in extreme cold, while our A1-15 marine fuel hose, stainless steel clamps, and precision-manufactured fittings are designed to provide dependable fuel delivery in demanding marine environments.
DOMESTIC MANUFACTURING
Larand invests in American manufacturing to produce high-quality marine fuel systems right here in the USA. From carefully selected raw materials and components to final assembly and testing, every fuel line assembly is built under strict quality standards to deliver the performance, reliability, and durability today's boaters demand.
Customization & Hard-to-find Items Available
We encourage you to take advantage of the added benefit of ongoing, personalized service, to provide solutions to your needs. We are the ONLY SUPPLIER online who offers customization of the fuel line assembly combinations. We are able to provide customization because we manufacture our own assemblies in the USA. Competitors just import assemblies already manufactured.
As a customer, you can be assured any questions or comments about our products will be directly handled by management in a friendly, professional and timely manner. When you call our service line you will get a live person or in the off chance we are away from the phones a live person will call you back.