Oil Seal Housing Gasket – Fits Suzuki DF40/DF50 (Replaces 11413-87J00)
Oil Seal Housing Gasket – Fits Suzuki DF40/DF50 (Replaces 11413-87J00) is backordered and will ship as soon as it is back in stock.
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Worry-free returns
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Delivery and Shipping
Delivery and Shipping
Free standard shipping on all orders under 1 KG
Oil Seal Housing Gasket – Fits Suzuki DF40/DF50 (Replaces 11413-87J00)
Product Details
This Oil Seal Housing Gasket ensures a secure seal for the oil system on Suzuki DF40 and DF50 4-stroke outboard engines from 1999–2010. It is precision-engineered to prevent oil leaks and maintain engine integrity, providing a reliable solution for marine engine repair and maintenance.
It functions as a direct aftermarket replacement for Suzuki part 11413-87J00 and provides cross-reference compatibility with OMC, Johnson, and Evinrude parts 5031304 and 5032428.
- Installs on the upper engine oil seal housing.
- Made from durable gasket material to withstand the marine environment.
- Engineered for a precise fit to ensure a leak-free seal.
Part Number Matrix
Use this matrix to confirm equivalent references across OEM and aftermarket.
| Brand | Part Number |
|---|---|
| Suzuki | 11413-87J00 |
| OMC/Johnson/Evinrude | 5031304 |
| OMC/Johnson/Evinrude | 5032428 |
Engine & Model Compatibility
Confirm your engine model/year in the table below.
This gasket is designed for specific Suzuki DF series 4-stroke models.
| Brand | Model | Rated HP | Stroke | Years | OEM Part No. |
|---|---|---|---|---|---|
| Suzuki | DF40 | 40 | 4-Stroke | 1999–2010 | 11413-87J00 |
| Suzuki | DF50 | 50 | 4-Stroke | 1999–2010 | 11413-87J00 |
Technical Specs
- Product Type
- Oil Seal Housing Gasket
- Installation Location
- Engine Oil Seal Housing
- Material
- Gasket Material (Paper/Composite)
- Other Attributes
- Upper Oil Seal Housing Gasket
- Product Dimensions
- 15.5" L x 11.0" W x 0.2" H
What’s in the Box
- 1 x Gasket, Upper Oil Seal Housing (11413-87J00)
Installation Notes
- Ensure the engine is off and cool, and disconnect the battery as a safety precaution.
- Drain the engine oil to prevent spills during gasket replacement.
- Access and carefully unbolt the oil seal housing cover.
- Remove the old gasket and thoroughly clean both mating surfaces. Ensure no old gasket material or sealant residue remains.
- Position the new gasket correctly. Do not use sealant unless specified by the engine's service manual.
- Reinstall the housing cover and tighten the bolts to the manufacturer's recommended torque in a star pattern.
- Refill the engine with the correct grade and amount of oil.
- Reconnect the battery, start the engine, and inspect carefully for any signs of oil leaks around the housing.
Troubleshooting & FAQ
How do I confirm this gasket will fit my engine?
First, check your engine's model and year against the compatibility table. Second, cross-reference your existing part number with the numbers listed in the Part Number Matrix. If both match, the gasket is a confirmed fit.
What are the signs of a failing oil seal housing gasket?
Common symptoms include visible oil leaks around the engine housing, a noticeable drop in oil levels without other causes, or oil residue in the engine bay. A compromised gasket can lead to insufficient lubrication and potential engine damage if not addressed.
How often should this gasket be replaced?
The gasket should be replaced whenever the oil seal housing is removed for service or if there are any signs of leakage. It's considered a single-use seal and should not be reused once compressed.
Is sealant required for installation?
Typically, this type of gasket is designed to create a seal without additional chemical sealants. However, always consult your engine’s official service manual for model-specific instructions, as some applications may require a thin layer of a specific sealant.
What’s the difference between OEM and aftermarket?
This listing is an aftermarket replacement (not OEM). It has been built to OEM-level specifications with comparable materials. All parts are manufactured in an ISO 9002 facility and are batch-inspected for quality and consistency.
How fast is shipping and what does it cost?
We ship worldwide quickly—typical transit is 5–15 days. Standard shipping is free; expedited options appear at checkout where available for your location.
What is the warranty and return policy?
This product is covered by a 1-year warranty against manufacturing defects under normal use. If any issues arise, contact our support with your order details. Returns are accepted within our standard window for unused parts in their original condition. Please see our policy page or reach out for instructions.
Safety & Important Info
- Verify images and specifications against your original part. If anything differs—even if your model appears compatible—do not purchase.
- This is an aftermarket replacement part, not an OEM component.
- Professional installation is recommended for safety and performance.
About Sea Sierra
- Pro-Grade Standards — We supply marine parts engineered to OEM-level tolerances and tested for real-world conditions.
- Fast Global Fulfillment — Free standard delivery to most regions in 5–15 days.
- Manufacturer-Direct Value — Fair pricing without compromising on materials or quality control.
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