Description
Suzuki 09280-26006 Thermostat O-Ring DF70A DF80A DF90A
Replace a worn, flattened, cracked, or leaking thermostat O-ring with the Suzuki 09280-26006 OEM O-ring. This genuine Suzuki sealing O-ring is commonly listed as D:3.1, ID:26.4 and is used in select DF70A, DF80A, and DF90A outboard cooling system applications where this part number is specified.
Key Features
- Genuine Suzuki OEM O-ring for select outboard cooling system service applications
- Commonly used in DF70A, DF80A, and DF90A thermostat-related parts diagrams where specified
- Listed size: D:3.1, ID:26.4
- Helps seal the thermostat, water pressure valve, or related cooling system component when matched to the correct assembly
- Useful replacement during thermostat inspection, thermostat replacement, cooling system service, and leak repair
- Helps prevent coolant water leaks caused by reusing an old, compressed, or damaged O-ring
- Best matched by Suzuki part number, engine model, serial number, and parts diagram before ordering
Fitment / Product Details
- Brand: Suzuki
- Part Number: 09280-26006
- BU Part ID: Not provided
- Product Type: Thermostat O-Ring / Cooling System O-Ring
- Application: Select Suzuki DF70A, DF80A, and DF90A thermostat and cooling system sealing applications where 09280-26006 is specified
- Engine Types: Suzuki four-stroke outboards
- HP Range: Select DF70A, DF80A, and DF90A applications
- Serial Ranges: DF70A/DF90A thermostat diagram references include 810001-up style applications; verify exact serial number by parts diagram before ordering
- Year Range: Not fully provided; verify by model year, serial number, thermostat housing diagram, owner’s manual, or service manual
- Size: D:3.1, ID:26.4
- UPC: Not provided
- Country of Origin: Not provided
- Prop 65: Not provided
- Package Dimensions: Not provided
- Package Weight: Not provided
- Supersedes / Replaces: 09280-27002 where specified by supporting parts references
- Fitment Note: Confirm compatibility by Suzuki part number, outboard model, serial number, thermostat assembly, water pressure valve assembly, parts diagram, owner’s manual, or service manual before ordering.
What’s Included
- One Suzuki 09280-26006 O-ring
- Thermostat, housing, cover, bolts, clips, gaskets, and additional seals are not included unless specifically stated by the seller
Expanded Fitment
- Suzuki DF70A thermostat and cooling system sealing applications where 09280-26006 is specified
- Suzuki DF80A thermostat and cooling system sealing applications where 09280-26006 is specified
- Suzuki DF90A thermostat and cooling system sealing applications where 09280-26006 is specified
- Water pressure valve cover and related cooling system locations where this O-ring size and part number are required
- Also referenced by some suppliers for oil filler cap sealing applications; confirm service location before ordering
- Not universal; verify exact fitment by model, serial number, and parts diagram
Why You Should Buy
- OEM Suzuki sealing part for reliable fit when matched to the correct application
- Helps restore a proper seal during thermostat or cooling system service
- Ideal replacement when servicing a DF90A thermostat housing or related cooling system component
- Helps avoid leaks caused by reusing a hardened, flattened, swollen, or damaged O-ring
- Small but important part for proper cooling system maintenance and outboard reliability
Common Applications
- Suzuki DF90A thermostat O-ring replacement
- DF70A and DF80A thermostat housing service where specified
- Cooling system O-ring replacement
- Water pressure valve cover sealing where specified
- Thermostat inspection and maintenance
- Replacement of worn, leaking, hardened, or damaged Suzuki O-rings
FAQ
- What is Suzuki 09280-26006? It is a genuine Suzuki O-ring used in select outboard sealing applications, including thermostat and cooling system locations where specified.
- Does this fit Suzuki DF90A? Yes, it is shown in DF70A/DF90A thermostat-related parts diagrams, but exact fitment must be confirmed by serial number and parts diagram.
- Does this fit DF70A and DF80A too? It is commonly referenced for select DF70A, DF80A, and DF90A applications where the parts diagram calls for 09280-26006.
- What size is this O-ring? Supporting Suzuki parts references list it as D:3.1, ID:26.4.
- What part number does it replace? Supporting references list 09280-27002 as superseded to 09280-26006 where specified.
- Is the thermostat included? No. This listing is for the O-ring only unless the seller specifically states that additional parts are included.
- Should this O-ring be replaced when servicing the thermostat? Yes, it is best practice to replace sealing O-rings when they are removed, compressed, hardened, cracked, swollen, or leaking.
- How do I confirm fitment? Confirm using Suzuki part number 09280-26006, your outboard model, serial number, thermostat or water pressure valve diagram, owner’s manual, or service manual.

