Boating Accessories | Boat Maintenance & OrganizationT-H MarineSold by Sportsmans Guide

T-H Marine

T-H Marine Boat Universal Gen III Primer Bulb

Our editorial team reviews specifications, product data, and field-use information to keep pages accurate.

Universal Fit

For 3/8" or 5/16" fuel

Double Check

Valve supports consistent operation

Speed Prime

Technology for faster fuel delivery

Includes Durable

Stainless steel clamps

Quick, Efficient

Priming

$32.99
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SKU: WX2*0748161

Overview

Designed for outboard fuel systems, this primer bulb is intended to help deliver quick, efficient priming before startup. It fits 3/8" or 5/16" fuel hose and uses a double check valve design to support consistent operation. Speed Prime Technology is included for faster fuel delivery, and stainless steel clamps are provided for installation. For boaters who want a straightforward priming solution with broad compatibility, it offers a practical setup without unnecessary complexity.

Why Hunters Choose the T-H Marine

Universal Fit

For 3/8-inch or 5/16-inch fuel

Double Check

Valve supports consistent operation

Speed Prime

Technology helps deliver fuel faster

Includes Durable

Stainless steel clamps

Efficient, Reliable

Priming

Key Features

  • Universal fit for 3/8" or 5/16" fuel hose
  • Double check valve supports consistent operation
  • Speed Prime Technology for faster fuel delivery
  • Includes durable stainless steel clamps
  • Designed for quick, efficient priming
  • Intended for a wide range of outboard engines

Best Used For

  • Boaters needing a universal primer bulb for 3/8-inch or 5/16-inch fuel hose setups
  • Outboard owners wanting quick priming and smoother fuel flow before engine start
  • Users replacing worn primer bulbs with a straightforward, reliable fuel-line component
  • Operators who value included stainless steel clamps for a cleaner installation

Specifications

Check ValveDouble check valve
Included AccessoriesDurable stainless steel clamps
MaterialDurable materials
Primary UsePriming for outboard engines
TechnologySpeed Prime Technology
Universal Fit3/8" or 5/16" fuel hose
Valve TypeReliable valves

Pros

  • Universal fit for 3/8-inch or 5/16-inch fuel hose
  • Double check valve supports consistent operation
  • Speed Prime Technology helps deliver fuel faster
  • Includes durable stainless steel clamps
  • Designed for efficient, reliable priming
  • Suitable for a wide range of outboard engines

Considerations & Trade-offs

  • Universal fit is limited to 3/8" or 5/16" fuel hose, so compatibility should be verified before purchase.
  • Designed for priming and fuel delivery support, not as a standalone solution for engine starting issues caused by other fuel-system problems.
  • Included stainless steel clamps add convenience, but installation still depends on the existing hose and engine setup.
  • The product description emphasizes efficient priming, but it does not provide detailed performance specifications for specific engine models.

Suggested Comparisons

  • Marine fuel line primer bulbs
  • Outboard engine fuel system accessories
  • Fuel hose fittings and clamps
  • Boat engine starting and priming accessories

Suggested Accessories

  • Fuel hose
  • Fuel line fittings
  • Outboard engine maintenance kit
  • Stainless steel hose clamps

Frequently Asked Questions

What fuel hose sizes does the Universal Gen III Primer Bulb fit?

It is listed as a universal fit for 3/8" or 5/16" fuel hose.

What is the main purpose of this primer bulb?

It is designed to provide quick, efficient priming for a wide range of outboard engines.

Does it include any hardware for installation?

Yes. The product description says durable stainless steel clamps are included.

What features are listed to support consistent fuel flow?

The listed features include a double check valve for consistent operation and Speed Prime Technology for faster fuel delivery.

Is this product specific to one engine brand or model?

The description says it is universal for a wide range of outboard engines, but it does not list specific brands or models.