Crankshaft Oil Seal – Fits Suzuki Outboard 2-Stroke 40-85HP (Replaces 09283-30062)

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Crankshaft Oil Seal – Fits Suzuki Outboard 2-Stroke 40-85HP (Replaces 09283-30062) is backordered and will ship as soon as it is back in stock.

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Product Details

This aftermarket Crankshaft Oil Seal – Fits Suzuki Outboard 2-Stroke 40-85HP (Replaces 09283-30062) is engineered for a variety of Suzuki 2-Stroke outboard motors, specifically models from 40HP to 85HP manufactured between the 1980s and 2000s. It ensures a precise fit for maintaining engine integrity and preventing oil leaks from the powerhead.

It serves as a direct cross-reference for Suzuki OEM part numbers 09283-30062 and its supersession, 09283-30077.

Installation Location: Engine Powerhead

Part Number Matrix

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

Brand	Part Number	Superseded By
Suzuki	09283-30062	09283-30077
Suzuki	09283-30077

Engine & Model Compatibility

Confirm your engine model/year in the table below.

Brand	Model	Rated HP	Stroke	OEM Part No.	Notes
Suzuki	DT40, DT50	40-50	2-Stroke	09283-30062	Superseded by 09283-30077
Suzuki	DT55, DT60, DT65	55-65	2-Stroke	09283-30062	Superseded by 09283-30077
Suzuki	DT75, DT85	75-85	2-Stroke	09283-30062	Superseded by 09283-30077

Technical Specs

Product Type: Crankshaft Oil Seal
Installation: Engine Powerhead
Dimensions: 30mm × 55mm

What’s in the Box

1 x Oil Seal (replaces 09283-30062 / 09283-30077)

Installation Notes

Disconnect the battery and ensure the engine ignition is off and secured.
Access the crankshaft by removing any necessary components like the flywheel or stator plate, following your engine's service manual.
Carefully pry the old seal out of its housing using a seal puller or flat-head screwdriver. Take care not to scratch the crankshaft or the housing surface.
Thoroughly clean the seal bore and the crankshaft surface where the new seal will sit. Remove any old sealant, dirt, or corrosion.
Lightly lubricate the inner lip of the new oil seal with 2-stroke oil or marine grease to prevent damage during installation.
Position the new seal squarely over the bore. Use a seal driver or a socket with an outer diameter matching the seal's to gently tap it into place until it is fully seated.
Reassemble all engine components in the reverse order of removal.
After reassembly, start the engine and carefully check for any signs of oil leakage around the new seal.

Troubleshooting & FAQ

What are the signs of a failing crankshaft oil seal?

Common symptoms include visible oil leaks around the engine's crankshaft area (often near the flywheel or at the bottom of the powerhead), a drop in engine performance, or difficulty maintaining idle speed due to air leaks affecting the crankcase pressure.

Is this seal directional? How do I know which way to install it?

Yes, oil seals are directional. Typically, the side of the seal with the garter spring should face inward toward the engine to contain the oil. Installing it backward will result in an immediate leak. Professional installation is recommended if you are unsure.

Why is the replacement part number different from my original?

Manufacturers often update part numbers over time. The number 09283-30077 is a direct supersession for 09283-30062, meaning it is the current, fully compatible replacement part designated by Suzuki.

Can I install this seal without special tools?

While possible, using a proper seal driver or a socket of the correct size is highly recommended to ensure the seal is pressed in evenly without damaging its outer edge or inner lip. Improper installation can cause premature failure.

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.

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