Oil Filter Element 6G8-13440-00 18-7901 for Yamaha F9.9 T9.9 9.9 HP 4 Stroke Outboard
Oil Filter Element 6G8-13440-00 18-7901 for Yamaha F9.9 T9.9 9.9 HP 4 Stroke Outboard
Product Overview
Oil filter element for Yamaha 9.9 HP four stroke outboards, the drop in element that sits in the oil cleaner housing on the side of the block. It replaces 6G8-13440-00, crosses to Sierra 18-7901 and to Mercury and Mariner 825467A1 and 825467T1, and it ships in a 15 x 10 x 5 cm box.
It fits the F9.9 and T9.9 families, including the F9.9 MS, LH, ES, LR, B, MHS, MLH and S/LMH variants, the FT9.9A and FT9.9 high thrust models, and the T9.9 EL, XR, ELH, ML and XH tiller models. Yamaha catalogues the part as an oil cleaner element, which is the engine oil filter rather than the fuel filter.
These are the small four strokes that idle for hours pushing a tender, a pontoon or a sailboat into a marina, and that is the hardest duty an oil filter sees. The element loads up with moisture and fine metal long before the oil looks dirty, and a blocked element opens the bypass, which means the bearings run on unfiltered oil with no gauge to tell you.
Specifications
| Specification | Detail |
|---|---|
| Condition | New / New with tags |
| Type | Engine oil filter element, drop in type |
| Fits | Yamaha F9.9 and T9.9 four stroke outboards |
| Replaces | 6G8-13440-00 |
| Contents | 1 oil filter element |
| Service Interval | First service, then every 100 hours or once a season |
| Net Weight | 79 g including packaging |
| Pack Size | 150 mm x 100 mm x 50 mm |
| Warranty | 3 year |
OEM Cross Reference
| Component | OEM Part Numbers |
|---|---|
| Oil filter element | 6G8-13440-00 |
| Oil filter element, short form | 6G8-13440 |
| Sierra cross reference | 18-7901 |
| Mercury / Mariner cross reference | 825467A1, 825467T1 |
Compatible Engines
| Model | Horsepower | Stroke | Notes |
|---|---|---|---|
| F9.9 MS/LH | 9.9 HP | Four stroke | Remote and tiller |
| F9.9 ES/LR | 9.9 HP | Four stroke | Electric start |
| F9.9B M(E)HS/L | 9.9 HP | Four stroke | B series |
| FT9.9A M(E)HS/L | 9.9 HP | Four stroke | High thrust |
| F9.9 S/LMH | 9.9 HP | Four stroke | Sail drive style |
| FT9.9 EL/X | 9.9 HP | Four stroke | High thrust, long shaft |
| T9.9 EL/XR, ELH, ML/XH | 9.9 HP | Four stroke | Tiller models |
| Mercury / Mariner 9.9 | 9.9 HP | Four stroke | Same motor, 825467A1 |
What's Included
| Component | Detail | Qty |
|---|---|---|
| Oil filter element | 6G8-13440-00 pattern | 1 |
| O ring for the housing | Not included, check the old one | 0 |
| Engine oil | Not included | 0 |
| Fuel filter element | Not included, this is the oil filter | 0 |
When To Change It
| What You See | What It Means | What To Do |
|---|---|---|
| Oil pressure light flickers at idle | Element loading up | Change the element and the oil |
| Oil turns black in a few hours | Element not cleaning | Change the element with the oil |
| Milky oil after a cold season | Moisture in the sump | Change oil and element, check the thermostat |
| First service at 20 hours | Break in metal in the oil | Change the element, do not reuse it |
| Element crushed or collapsed | Housing fitted dry or over tightened | New element, oil the seal first |
| Oil light on at speed | Bypass open, element blocked | Stop the motor and change the element |
Fitting Notes
| Step | Action |
|---|---|
| 1 | Run the motor briefly to warm the oil, then let it sit |
| 2 | Put a rag under the oil cleaner housing on the side of the block |
| 3 | Undo the housing and lift the old element out, note which way it sits |
| 4 | Clean the housing and check the O ring for cuts or hardening |
| 5 | Fit the new element the same way round as the old one |
| 6 | Seat the O ring, oil it, and refit the housing hand tight |
| 7 | Fill with the right amount of four stroke outboard oil |
| 8 | Run the motor, check for leaks and check the oil level again |
Condition & Warranty
| Item | Detail |
|---|---|
| Condition | New / New with tags |
| Warranty | 3 year |
| Packaging | Sealed retail packaging |
Before You Buy
- Fits Yamaha F9.9 and T9.9 four stroke outboards
- Replaces 6G8-13440-00, crosses to Sierra 18-7901
- Also listed as Mercury and Mariner 825467A1 and 825467T1
- This is the engine oil filter element, not the fuel filter
- Fits high thrust FT9.9A and FT9.9 models as well
- The housing O ring and the oil are not included
- 30-Day Easy Returns
- Ships from our warehouse with tracking
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Before You Buy
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