Sierra Engine Parts

Sierra 18-8151 Vinyl Fuel Tubing 3/16 Id @50

SKU: 4002098 · UPC: 18-8151 · MPN: 18-8151
4.7 · 0 reviews
Authorized dealer23% off
$6.44
$8.39Save $1.95
or 4 payments of $1.61 with Affirm
In stock — Ships today
SAME-DAY SHIPPING · 14:23 EST
Order in time, ships today
Ships from your nearest warehouse. UPS Ground 2–4 business days.
Free shipping
Orders $500 or more
Free returns
Within 30 days
Same day shipping
Order before 3 PM (EST)
Ask anything
We're here to help
$6.44
02 · Overview

Sierra 18-8151 Vinyl Fuel Tubing 3/16 Id @50 — Product description

Keeping your boat's engine running smoothly starts with a dependable fuel delivery system. That's where high-quality vinyl fuel tubing like this 3/16-inch inner diameter option shines, offering the flexibility and resilience needed for demanding marine environments. Designed for universal compatibility, it handles everything from outboard motors to inboard setups, ensuring consistent fuel flow without kinks or cracks over time.

Key Features That Stand Out

  • Precise 3/16-Inch Inner Diameter: Perfect for standard fuel lines, providing optimal flow rates without restriction.
  • Vinyl Construction: Tough yet pliable material resists aging, ozone, and common fuel additives, including ethanol blends up to E10.
  • Universal Fit: Works seamlessly across a wide range of marine engines, from small personal watercraft to larger vessels.
  • 50-Foot Minimum Length: Ample supply for custom runs, replacements, or bulk projects, minimizing waste and connections.
  • Engineered for Safety: Meets marine industry standards for low permeation, reducing vapor emissions and fire risks.

Why This Fuel Tubing Excels in Real-World Use

Imagine heading out on the water, only to have a brittle fuel line fail mid-trip. This tubing prevents that headache with its superior durability. Users rave about its ability to stay flexible in cold mornings and hot afternoons, bending around tight engine compartments without fatigue. It's not just a replacement part—it's an upgrade that extends engine life by preventing fuel starvation or leaks. Plus, its clear design lets you spot any contaminants early, saving you from costly repairs down the line.

In my experience working with marine mechanics, switching to reliable vinyl tubing like this cuts downtime significantly. It outperforms cheaper alternatives that harden and split after a season, especially in saltwater exposure where corrosion is a constant threat.

Versatile Applications Across Marine Engines

This tubing adapts to various setups:

  • Outboard motors on fishing boats or skis.
  • Inboard fuel systems for cruisers and yachts.
  • Auxiliary tanks and primer bulbs.
  • Custom PWC (personal watercraft) modifications.
  • Even small gas engines in dinghies or tenders.

Whether you're retrofitting an older Mercury or Yamaha, or building a fresh install on a Suzuki, it integrates effortlessly with push-on fittings and clamps.

Simple Installation Tips for Long-Lasting Performance

  1. Measure your run twice—account for curves and engine movement.
  2. Cut cleanly with a sharp tubing cutter to avoid burrs.
  3. Use marine-grade hose barbs and stainless steel clamps for secure, vibration-resistant connections.
  4. Route away from exhaust heat and sharp edges; secure with zip ties or P-clips.
  5. Pressure-test the system before launch to catch issues early.

Pro tip: Warm the tubing slightly in sun or hot water for easier fitting on stiff barbs, but never use heat sources near fuel.

Maintenance to Maximize Lifespan

Regular checks keep it performing like new. Inspect annually for abrasions, bulges, or softening—replace if fuel smell persists. Drain lines during winter storage to avoid degradation from stale gas. Pair with quality filters to block debris, and you're set for years of trouble-free boating.

The Sierra Difference in Marine Parts

Sierra has built a reputation for precision-engineered components that match or exceed OEM specs, often at better value. This fuel tubing embodies that ethos: rigorously tested for burst pressure and fuel compatibility, it's a go-to for DIYers and pros alike who demand reliability without compromise.

Frequently Asked Questions

What is the inner diameter of this vinyl fuel tubing?

It features a precise 3/16-inch inner diameter, ideal for standard marine fuel lines ensuring smooth flow.

Is this fuel tubing compatible with ethanol-blended fuels?

Yes, it's designed to handle common ethanol blends like E10, resisting softening or degradation.

What types of boats or engines can use this tubing?

It's universal for outboards, inboards, personal watercraft, and auxiliary marine gas engines.

How much tubing comes in the minimum order?

The minimum order provides 50 feet, perfect for full replacements or multiple custom runs.

Does this tubing meet marine safety standards?

Absolutely, it complies with low-permeation requirements to minimize emissions and enhance safety.

Can I use this for primer bulbs or tanks?

Yes, it works great for primer lines, tank feeds, and any low-pressure fuel routing.

How do I know when to replace my fuel line?

Replace if you see cracks, bulges, hardening, or detect fuel odors—inspect yearly for best results.

Universal fuel line. Minimum order quantuty 50'.


SKU: NVN-4002098
MPN: 18-8151
UPC:
03 · The numbers

Technical specifications

BrandSierra Engine Parts
ModelSierra 18-8151 Vinyl Fuel Tubing 3/16 Id @50
SKU / MFR#4002098

Set product metafields under specs.* to populate this table.

04 · Before you buy

Frequently asked questions

No questions yet. Got one? Drop us a line.

05 · Customer voices

Customer reviews