VST Seal – Fits Suzuki 70–140 HP 4-Stroke, Johnson/Evinrude 90–140 HP 4-Stroke (Replaces 15626-90J00, 5033706)
VST Seal – Fits Suzuki 70–140 HP 4-Stroke, Johnson/Evinrude 90–140 HP 4-Stroke (Replaces 15626-90J00, 5033706) 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
VST Seal – Fits Suzuki 70–140 HP 4-Stroke, Johnson/Evinrude 90–140 ...
Product Details
This VST Seal provides a reliable seal for the fuel vapor separator tank on a range of outboard motors. It is designed for compatibility with Suzuki 4-stroke outboards from 70 HP to 140 HP (2001 and newer) and Johnson/Evinrude 4-stroke outboards from 90 HP to 140 HP (2003–2006).
This part serves as a direct replacement for PWC Engine part number 600-109-14 A.
- Installs in the Fuel Vapor Separator (VST)
- Engineered as a direct-fit O-Ring style gasket
- Designed for marine gasoline fuel systems
Part Number Matrix
Use this matrix to confirm equivalent references across OEM and aftermarket suppliers.
| Brand | Part Number |
|---|---|
| Suzuki | 15626-90J00 |
| Johnson/Evinrude | 5033706 |
| PWC Engine | 600-109-14 A |
Engine & Model Compatibility
Confirm your engine model/year in the table below.
For Suzuki models, this seal fits the DF series from 70 to 140 HP, covering years from 2001 to present for most models.
| Brand | Model | Rated HP | Stroke | Years | OEM Part No. | Notes |
|---|---|---|---|---|---|---|
| Suzuki | DF70 | 70 | 4-Stroke | 2009–Up | 15626-90J00 | |
| Suzuki | DF80 | 80 | 4-Stroke | 2009–Up | 15626-90J00 | |
| Suzuki | DF90 | 90 | 4-Stroke | 2001–Up | 15626-90J00 | |
| Suzuki | DF100 | 100 | 4-Stroke | 2010–Up | 15626-90J00 | |
| Suzuki | DF115 | 115 | 4-Stroke | 2001–Up | 15626-90J00 | |
| Suzuki | DF140 | 140 | 4-Stroke | 2002–Up | 15626-90J00 |
For Johnson/Evinrude models, this seal is compatible with 4-stroke engines from 90 to 140 HP manufactured between 2003 and 2006.
| Brand | Model | Rated HP | Stroke | Years | OEM Part No. | Notes |
|---|---|---|---|---|---|---|
| Johnson/Evinrude | 90hp | 90 | 4-Stroke | 2003–2006 | 5033706 | |
| Johnson/Evinrude | 115hp | 115 | 4-Stroke | 2003–2006 | 5033706 | |
| Johnson/Evinrude | 140hp | 140 | 4-Stroke | 2003–2006 | 5033706 |
Technical Specs
- Product Type
- Seal
- Installation
- Fuel Vapor Separator (VST)
- Fuel Type
- Gasoline
- Connection
- O-Ring
- Fitting Type
- Gasket / O-Ring
- Housing Color
- Black
- Dimensions
- 15 x 10 x 0.2 in (381 x 254 x 5.08 mm)
- Weight
- 0.1 lbs (0.045 kg)
- Designed for
- VST (Vapor Separator Tank)
- Warranty
- 30-Day Return Policy (Amazon), 90-Day Returns (Boats.net)
What’s in the Box
- 1 x VST Seal (Replaces 15626-90J00 & 5033706)
Installation Notes
- Disconnect the battery and relieve all fuel system pressure to prevent hazards.
- Locate the Vapor Separator Tank (VST) on the engine block.
- Carefully disconnect any fuel lines and electrical connectors attached to the VST assembly.
- Remove the screws securing the VST housing cover and gently separate the cover from the body. Note the orientation of the original seal.
- Remove the old seal. Thoroughly clean the groove and mating surfaces, ensuring they are free of debris, corrosion, or old gasket material.
- Install the new seal, making sure it is properly seated in its groove without being twisted or pinched.
- Reassemble the VST housing, tightening the screws in a crisscross pattern to the manufacturer-specified torque to ensure an even seal.
- Reconnect the fuel lines and electrical connectors.
- Prime the fuel system according to your engine's manual and carefully check for any fuel leaks around the housing before starting the engine.
Troubleshooting & FAQ
How do I know if this VST seal will fit my engine?
Refer to the compatibility tables provided, which detail specific Suzuki and Johnson/Evinrude models, rated horsepower, and years. The most reliable method is to cross-reference your original part number with the OEM numbers listed: 15626-90J00 for Suzuki and 5033706 for Johnson/Evinrude.
What are the signs of a failing VST seal?
A compromised VST seal typically causes fuel leaks or weeping around the VST housing seam. You may notice a strong gasoline smell, poor or rough engine idling, difficulty starting, or stalling. These issues often stem from improper fuel pressure caused by a leak.
Can I reuse my old VST seal after opening the housing?
No. It is critical to replace the VST seal every time the housing is opened. Old seals compress, harden, and deform over time and will not provide a reliable seal if reinstalled, leading to dangerous fuel leaks.
What is the function of the VST and its seal?
The Vapor Separator Tank (VST) is a critical fuel system component that separates fuel vapor from liquid fuel. This ensures the high-pressure fuel pump and injectors receive a consistent supply of liquid gasoline, preventing vapor lock. The seal is essential for maintaining internal pressure and preventing external leaks.
Does this seal require sealant or adhesive during installation?
Absolutely not. Apply this seal dry. Do not use any form of silicone, gasket maker, or other adhesive. These substances can cause the seal material to swell or degrade and will interfere with its ability to create a proper, leak-free fit.
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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