What is Replacement Elbow Fitting for Firestone Air Bag F6781

Question

Question:

I need to know the part number for the air fitting for Firestone F-6781 airbag

asked by: Wayne C

0

Expert Reply:

Hey Wayne, I checked with Firestone and for the replacement air bag part # F6781 the correct replacement air fitting is the elbow fitting part # F3031-1.

expert reply by: Jameson C

0

Jameson C.

2/3/2026

Hey Wayne, did the elbow fitting for your Firestone airbag end up being the right match? Knowing how it worked out could help others trying to replace the same fitting.

Answer 1

There isn't a special tool for removing the #AL21848 from the air bags. You'd need to use a wrench. If you can't make a complete revolution you'd need to take smaller turns based on the limited access. You may need to remove the…

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Answer 2

The difference between the Class II and Class III hitches has to do with their Gross Trailer Weight (GTW), their Tongue Weight (TW), and their Hitch Receiver Size. Class II trailer hitch receivers have a 1-1/4 inch receiver and can be rated up to…

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Answer 3

In order to determine the torque rating for the lug nuts on your trailer you will need to know check out the chart I attached that shows all of the torque specs for all the trailer lugs available based on stud size, wheel material and wheel size.

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Answer 4

Yes, it will work. You'll just need to cut the Lance 6-pin connector out and rewire it into the etrailer Trailer Wiring 7-Way Upgrade Kit w/ Junction Box and RV Style Connector item #e99011. Here are the individual functions of that Lance 6-pin:…

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Answer 5

According to Blue Ox, it'll take an experienced installer about 4 to 5 hours to complete the installation of their #BX1128 Base Plate Kit on a 2016 Jeep Grand Cherokee. The install isn't what I'd call super-difficult, but the installation…

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Answer 6

Hey Doug! The Firestone Ride-Rite Air Helper Springs #F35FV are the right kit for your 2026 Ford F-350 FX4 dually. However, you will need to measure to be sure it fits. The distance from the top of your rear axle to the top of the jounce bump stop…

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Answer 7

Since wire color codes are NOT universal, we always recommend wiring by function, rather than wire color. If you look at the Trailer Wiring FAQ article I have linked you to, you can see some diagrams showing the proper way to wire a vehicle and…

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Answer 8

Hello Dan, Great question. When you’re comparing the Firestone kits #F59VV and #F2582, they both technically fit your 2025 F-150, but they are designed around different mounting locations and truck configurations. The #F2582 is the traditional…

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Answer 9

Hey Douglas, whenever available I recommend going with the HD version of the Roadactive kits like the part #RAS3611-YHD that fits your 2022 Ford F-150 4WD. The extra capacity of this kit over the non-HD basically doesn't have any downside aside…

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Answer 10

Hey Kurt, yes the correct gap for SumoSprings Solo kits like the part #SS88UV is 1/2 inch to 1 inch like you mentioned. Did you install this already?

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Answer 11

Hello Tom, Thanks for writing in. You are correct. I would not recommend using the B&W Digital Tongue Weight Scale #BW34KR with a McHitch coupler. The McHitch uses a different coupling design than a standard ball coupler, and I cannot confirm…

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Answer 12

Hey Gregory, that's really good information. You’ve got a few options, but I wouldn’t jump straight to replacing the leaf springs on a half-ton for that size trailer. Since you’re using a Curt weight distribution hitch, that should be doing most…

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What is Replacement Elbow Fitting for Firestone Air Bag F6781

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