
The fuel line size for a 1995 Toyota T100 SR5 3.4L is 5/16. The fuel line can be replaced with a Dorman oe fuel line repair kit, which is available from Toyota for under $30. Alternatively, the fuel line can be replaced with SAE-sized fuel line, which is cheaper than buying the OEM stuff.
Fuel lines for T100
| Characteristics | Values |
|---|---|
| Fuel line size | 5/16 |
| Fuel line repair kit | Dorman oe fuel line repair kit part number 800151 |
| Fuel line repair kit price | Less than $30 |
| Fuel line repair kit supplier | Toyota |
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What You'll Learn

Fuel line size
The fuel line size for a T100 is 5/16.
One user on the Toyota Nation Forum said that they replaced their fuel line with an SAE-sized fuel line that was close. They flared the ends and reused the fittings from the old fuel lines. They also did the same for the brake lines.
Another user found a Dorman OE fuel line repair kit (part number 800151) on Rock Auto for less than $30. This was to save them from having to replace the line.
A third user said that they ordered the Dorman repair kit from O'Reilly. They cut the line where they needed to and replaced it with the Dorman line and a compression fitting attaching the old to the new.
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Repair kits
One user replaced their fuel lines with SAE-sized fuel lines, which were cheaper than buying the OEM stuff. They flared the ends and reused the fittings from the old fuel lines. They also did the same for the brake lines.
The line that runs from the fuel filter to the injectors and pump, and the one from the filter to the flexible hose by the tank, may need replacing.
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Reusing old fittings
When it comes to reusing old fittings, it is important to note that the fuel line size for a T100 is 5/16. This measurement is for the line that runs from the fuel tank to the fuel filter inlet.
If you are looking to replace the fuel lines, it is possible to reuse the fittings from the old fuel lines where they attach to the filter. This can be a more cost-effective option than buying new OEM parts.
One option is to purchase a Dorman OE fuel line repair kit, which can be used to save from replacing the entire line. This kit is available for less than $30 from Toyota and can be cut to the needed size, with a compression fitting attaching the old to the new.
Additionally, you may want to consider bending and flaring your own lines, as this can also be cheaper than buying OEM parts. This method involves flaring the ends of the lines and reusing the fittings from the old lines. This process can also be done for brake lines.
It is important to note that the fuel filter should be changed regularly to ensure optimal performance and prevent damage to the bolt.
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Bending and flaring lines
One user found that they could replace their fuel line with SAE-sized fuel line. They flared the ends (double flare, they believe) and reused the fittings from the old fuel lines where they attached to the filter. They found this to be a lot cheaper than buying OEM stuff. They did the same for their brake lines.
Another user found a Dorman oe fuel line repair kit (part number 800151) on Rock Auto. They were unsure if this would work, but it was available for less than $30 from Toyota.
A third user found the same Dorman repair kit and ordered it from O'Reilly. They planned to cut the line where they needed to and replace it with the Dorman line and a compression fitting attaching the old to the new.
It seems that the fuel line size (tank to fuel filter inlet) is 5/16. One user's filter hadn't been changed for at least 100k before they bought their 96t100 3.4, and whoever changed it before mashed up the bolt pretty good.
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Filter changes
The fuel line size for a 1995 T100 SR5 3.4L is 5/16.
One user on the Toyota Nation Forum said they replaced their fuel line with a SAE-sized fuel line. They flared the ends and reused the fittings from the old fuel lines where they attached to the filter. They also did the same for the brake lines.
Another user found a Dorman OE fuel line repair kit (part number 800151) on Rock Auto. The kit is available for less than $30 from Toyota.
One user said they ordered the Dorman repair kit from O'Reilly. They cut the line where they needed to and replaced it with the Dorman line and a compression fitting attaching the old to the new.
The line that runs from the fuel filter up to the injectors and pump may need replacing, as well as the line from the filter to the flexible hose by the tank.
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Frequently asked questions
The fuel line size looks like 5/16 but you should check before buying.
You can buy a fuel line for less than $30 from Toyota.
The model of the fuel filter is G-15.
Yes, you can use a Dorman oe fuel line repair kit (part number 800151) which is available from Rock Auto.
Cut the line where you need to and replace with the Dorman line and a compression fitting attaching the old to the new which screws into the line.











































