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Product Description:
This Marine Engine Carburetor Replacement for Brand Outboard Carb OEM Number:
Mercury Mariner Outboard Carbs Carburetor Set 3301-821854 821854
Mercury MarinerOutboard Carbs Upper Carburetor 821854T4 821854T7 821854T22 821854T19 821854T22 821854A25
Mercury MarinerOutboard Carbs Upper Carburetor 3301-821854T4 3301-821854T7 3301-821854T22 3301-821854T19 3301-821854T22 3301-821854A25
Mercury MarinerOutboard Carbs Middle Carburetor 821854T5 821854T8 821854T23 821854T20 821854A26
Mercury MarinerOutboard Carbs Middle Carburetor 3301-821854T5 3301-821854T8 3301-821854T23 3301-821854T20 3301-821854A26
Mercury MarinerOutboard Carbs Lower Carburetor 821854T6 821854T9 821854T21 821854T24 821854A27
Mercury MarinerOutboard Carbs Lower Carburetor 3301-821854T6 3301-821854T9 3301-821854T21 3301-821854T24 3301-821854A27
This Carburetor fits Mercury Mariner Marine Outboard Motor Models Specifications:
Mercury Mariner 40 HP 40 JET Outboard CARBURETOR
Mercury Mariner 45 HP 45 JET Outboard CARBURETOR
Mercury Mariner 55 HP 3 CYL. Outboard CARBURETOR
Mercury Mariner 60 HP 3 CYL. Outboard CARBURETOR
JLM Marine Brand package includes:
1*Carburetor Assy Set
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.