Product Description:

This Marine Engine Carburetor Replacement for Brand Outboard Carb OEM Number：

Mercury Mariner Outboard Carbs Carburetor 3303-803687A1 803687A1 8M0065489
Mercury Mariner Outboard Carbs Carburetor 803687T01 3303-803687T01 with gasket
Mercury Mariner Outboard Carburetor Gaskets Part Number 27-803699001

---

This Carburetor fits Mercury Mariner Marine Outboard Motor Models Specifications:

Mercury Mariner 2 Stroke 9.9HP Outboard Engine CARBURETOR
Mercury Mariner 2 Stroke 15HP Outboard Engine CARBURETOR
Mercury Mariner 2 Stroke 18HP Outboard Engine CARBURETOR

---

JLM Marine Brand package includes:

1*Carburetor

1*Gasket

Same to the picture shown

---

Frequently Asked Questions (FAQ)

Q: How do I know if this carburetor fits my outboard motor?

A: To ensure compatibility, check:

1.Engine Model & HP (e.g., "Mercury 15HP" or "Yamaha 40HP").

2.Original Carburetor Part Number (match numbers on your old carburetor).

3.Year of Manufacture (some models vary by year).

If you are unsure,please contact us with these details for verification!

Q: What measurements should I compare when selecting a carburetor?

A: Critical specs include:

1.Throat Diameter (e.g., 28mm, 32mm).

2.Bolt Pattern & Mounting Type (flange/stud spacing).

3.Fuel Inlet Size (thread type and orientation).

4.Jet Sizes (idle/main jet numbers).

Q: Why does my repair kit need to match the carburetor model exactly?

A: Kits include gaskets, needles, and seals tailored to your carb’s design. Even small size differences can cause leaks or poor performance.

Q: What symptoms indicate I need a new carburetor or repair kit?

A: Watch for:

1.Hard starting or stalling.

2.Uneven idle or fuel leaks.

3.Black smoke (rich mixture) or white plugs (lean mixture).

Need help? Send your engine details—we’ll guide you to the right part!

JLM MARINE is an engine components and external equipment manufacturer.

We specialize in designing and producing high-quality marine parts since 2002.

With a strong commitment to quality and innovation, we focus on designing and producing high-performance Fuel System Products for marine engines that meet the rigorous demands of the maritime industry.