Gasket, Oil Filter Adapter Case – Fits Suzuki DF70A/80A/90A/100B (Replaces 16539-87L00)
Gasket, Oil Filter Adapter Case – Fits Suzuki DF70A/80A/90A/100B (Replaces 16539-87L00) is backordered and will ship as soon as it is back in stock.
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Delivery and Shipping
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Gasket, Oil Filter Adapter Case – Fits Suzuki DF70A/80A/90A/100B (R...
Product Details
This Gasket, Oil Filter Adapter Case – Fits Suzuki DF70A/80A/90A/100B (Replaces 16539-87L00) creates a secure seal between the oil filter adapter case and the engine block. It is specifically designed for Suzuki 4-Stroke 70–100 HP outboard models (DF70A, DF80A, DF90A, DF100B) from 2011 to the present.
It serves as a direct aftermarket replacement for Suzuki OEM part number 16539-87L00.
- Creates a reliable seal to prevent oil leaks.
- Installs between the oil filter adapter housing and the engine block.
- Engineered to meet or exceed OEM material and performance standards.
Part Number Matrix
Use this matrix to confirm equivalent references across OEM and aftermarket.
| Brand | Part Number |
|---|---|
| Suzuki | 16539-87L00 |
Engine & Model Compatibility
Confirm your engine model/year in the table below.
This gasket is compatible with the following Suzuki outboard engines:
| Brand | Model | Rated HP | Stroke | Years | OEM Part No. | Notes |
|---|---|---|---|---|---|---|
| Suzuki | DF70A | 70 | 4-Stroke | 2011–Present | 16539-87L00 | |
| Suzuki | DF70ATH | 70 | 4-Stroke | 2011–Present | 16539-87L00 | |
| Suzuki | DF80A | 80 | 4-Stroke | 2011–Present | 16539-87L00 | |
| Suzuki | DF90A | 90 | 4-Stroke | 2011–Present | 16539-87L00 | |
| Suzuki | DF90ATH | 90 | 4-Stroke | 2011–Present | 16539-87L00 | |
| Suzuki | DF100B | 100 | 4-Stroke | 2011–Present | 16539-87L00 |
Technical Specs
- Product Type
- Oil Filter Adapter Case Gasket
- Installation
- Between oil filter adapter case and engine block
- Connection
- Direct mount
- Housing Material
- Paper/Composite
- Housing Color
- Brown
- Dimensions
- 9.0" L x 7.0" W x 2.0" H
- Fitting Type
- Direct fit
- Other Technical Attributes
- OEM replacement gasket
What’s in the Box
- 1 x Gasket, Oil Filter Adapter Case (Replaces 16539-87L00)
Installation Notes
- Ensure the engine is completely cool and disconnect the battery for safety.
- Locate and unbolt the oil filter adapter case from the engine block.
- Carefully remove the old gasket. Thoroughly clean both mating surfaces, ensuring they are free of any old material, oil, or debris.
- Position the new gasket onto the engine block or adapter case, ensuring alignment with the bolt holes.
- Reinstall the oil filter adapter case and tighten the mounting bolts to the manufacturer's specified torque in the correct sequence.
- After reassembly, run the engine and carefully inspect for any oil leaks around the adapter case.
Troubleshooting & FAQ
How do I know if this gasket will fit my Suzuki outboard?
This gasket is designed for Suzuki DF70A, DF80A, DF90A, and DF100B models from 2011 to present. The most reliable method for confirming fitment is to verify that your existing part number is 16539-87L00.
What are the signs of a failing oil filter adapter gasket?
Common symptoms include visible oil leaks from the area where the filter adapter mounts to the engine block, an unexplained drop in oil level, or a smell of burning oil while the engine is running.
Is any sealant required when installing this gasket?
Typically, paper or composite gaskets like this are designed to be installed dry. Applying sealant can sometimes interfere with a proper seal. Always consult your engine's official service manual for model-specific instructions.
Can I reuse my old gasket?
No. Gaskets are single-use components designed to crush and create a seal under pressure. Once compressed and heat-cycled, they lose their ability to seal effectively and must be replaced whenever the part is removed.
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
- 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 QC.
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