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Thumbnail Filmstrip of Spring Pro 886401, Used in Spring Pro 882299 Helper Kit, Replaces Firestone 6401 Air Helper Springs Images
Product Details
- Special Notes
- none
- Product Description
- Sold as each (one air spring)
- Spring Pro brand replacement air spring
- Replaces Firestone 224C style PN# 6401 air bag
- Combo Air Stud: 3/4"-16 outside, 1/4" NPT inside
- Top Mounting: 3/4"-16 combo air stud and alignment button
- Bottom Mounting: 3/8"-16 threaded hole in center
- Compressed Height: 2.80"
- Extended Height: 8.75"
- Ride Height: 6" - 7"
- Max Diameter: 8"
This air bag replaces the air springs used in the following Firestone helper spring kits:
2299, 2330, 2400, 2450
- 2006-2008 Dodge Ram 1500 Mega Cab
- 2003-2011 Dodge Ram 2500, 3500
- 1999-2004 Ford F-2350 (over 8500 GVWR)
- 1999-2004 Ford F-350
- 2005-2007 Ford F-250, F-350
- 2008-2010 Ford F-250, F-350
- 2011 Ford F-250, F-350 (gas only, no factory in-bed hitch)
Cross References: 6401, 224C, 886401
A cross reference listing means that this item should be a suitable replacement
for the part numbers listed. You should check the description to be sure it will work in your application.
About Spring Pro
Customer Ratings & Reviews
Ratings Snapshot
out of 5
5
(1)
4
(0)
3
(0)
2
(0)
1
(0)
Would recommend this product.
100%
out of 5
5
(1)
4
(0)
3
(0)
2
(0)
1
(0)
Would recommend this product.
100%
Replacement air bag
Digger Doug
Location:
Date: June 8, 2025
I had a airbag that had deteriorated to the point of replacement. Ordered the replacement by numbers on existing bag. Was exact replacement. Works as it should.
Verified Buyer
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