Head Gasket – Fits Suzuki DT2/DT2.2 2HP 2-Stroke (Replaces 11141-98401)

$7.46 $11.00

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Head Gasket – Fits Suzuki DT2/DT2.2 2HP 2-Stroke (Replaces 11141-98401) is backordered and will ship as soon as it is back in stock.

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Product Details

This cylinder Head Gasket – Fits Suzuki DT2/DT2.2 2HP 2-Stroke (Replaces 11141-98401) is an aftermarket replacement part for Suzuki 2HP and 2.2HP 2-Stroke outboard motors (DT2 and DT2.2 models) manufactured from 1986–2000.

It serves as a direct interchange for Suzuki OEM part numbers 11141-94802, 11141-98400, 11141-98401, 11141-98410, 11141-98411, 11141-98411-000, and Sierra 18-3806.

Installation: Direct replacement fit
Engine Type: For 2-stroke marine outboard engines
Housing Material: Composite

Part Number Matrix

Use this matrix to confirm equivalent references across OEM and aftermarket.

Brand	Part Number
Suzuki	11141-94802
Suzuki	11141-98400
Suzuki	11141-98401
Suzuki	11141-98410
Suzuki	11141-98411
Suzuki	11141-98411-000
Sierra	18-3806

Engine & Model Compatibility

Confirm your engine model/year in the table below.

Brand	Model	Rated HP	Stroke	Years	OEM Part No.	Notes
Suzuki	DT2	2.0	2-Stroke	1986–2000	11141-98401	Also fits: 11141-94802, 11141-98400, 11141-98410, 11141-98411
Suzuki	DT2.2	2.2	2-Stroke	1986–2000	11141-98401	Also fits: 11141-94802, 11141-98400, 11141-98410, 11141-98411
Suzuki	DT2.2 G-Y	2.2	2-Stroke	1986–2000	11141-98401	Also fits: 11141-94802, 11141-98400, 11141-98410, 11141-98411

Technical Specs

Product Type: Cylinder Head Gasket
Installation: Direct replacement
Fuel Type: Gasoline
Housing Material: Composite
Dimensions: 5.0" H x 3.75" W x 0.19" L
Other Technical Attributes: For 2-stroke marine outboard engines

What’s in the Box

1 x Head Gasket (Replaces 11141-98401)

Installation Notes

Ensure the engine is completely cool and disconnect the battery.
Drain the engine's cooling system to prevent spills.
Remove the cylinder head cover and any other components obstructing access to the head bolts.
Following the service manual, loosen and remove the head bolts in the specified reverse sequence.
Carefully lift the cylinder head from the engine block. Avoid using pry tools that could damage the mating surfaces.
Remove the old head gasket. Thoroughly clean both the cylinder head and engine block surfaces of all old gasket material and residue.
Position the new head gasket correctly, ensuring it aligns with any dowel pins and bolt holes.
Re-install the cylinder head and torque the head bolts in the correct sequence and to the manufacturer's specifications.
Reassemble all previously removed components, refill the cooling system, and reconnect the battery.

Troubleshooting & FAQ

How do I know if my head gasket is failing?

Common signs of a blown head gasket include engine overheating, a noticeable loss of power or compression, milky or frothy-looking engine oil, or excessive white smoke from the exhaust, which indicates coolant is burning in the combustion chamber.

Is this gasket compatible with all Suzuki DT2.2 models?

This head gasket fits Suzuki DT2, DT2.2, and DT2.2 G-Y models manufactured between 1986 and 2000. Always verify your specific model and year falls within this range before ordering.

Do I need to apply sealant during installation?

This gasket is typically designed for a dry installation. Applying additional sealants can interfere with its ability to seal correctly unless explicitly required by your engine's service manual. Always defer to the manufacturer's official instructions.

What are the signs of an incorrect installation?

If the gasket is installed incorrectly, you may experience immediate issues such as coolant or oil leaks around the cylinder head, engine misfires, or the same symptoms of a failed gasket. It is critical to follow proper torque specifications and sequences.

OEM vs. Aftermarket?

This listing is an aftermarket replacement (not OEM). Built to OEM-level specifications with comparable materials. Manufactured in an ISO 9002 facility, batch-inspected for consistency.

Shipping speed & cost

We ship worldwide quickly—typical transit 5–15 days. Standard shipping is free; expedited options appear at checkout where available.

Warranty & returns

Covered by a 1-year warranty against manufacturing defects under normal use. If issues arise, contact support with your order details. Returns are accepted within our standard window (unused & in original condition). See our policy page or reach out for instructions.

Safety & Important Info

Verify images/specifications vs your original part. If anything differs—even if your model appears compatible—do not purchase.
This is an aftermarket replacement, not an OEM component.
Professional installation is recommended for safety and performance.

About Sea Sierra

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Fast Global Fulfillment — Free standard delivery to most regions in 5–15 days.
Manufacturer-Direct Value — Fair pricing without compromising on materials or QC.

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