Reference Part Number: 

replacement for Firestone W01-358-8852
replacement for ContiTech 64339, 910-19P472, 9 10-19 P 472
replacement for Goodyear 1R12568, 1R12-568
replacement for Navistar/Fleetrite 1R12-1058
replacement for Peterbilt 0307887, 03-07887, 03-07887 (Low Air Leaf)

Other parts number:
for Triangle 6364, 8472
for TRP AS88520
for Automann 1DK23L-8852

Specification:

Top plate screw (nut) teeth: 2 X 3/8-16UNC
The screw center distance of the top cover plate: 157.5mm / 6.2 inch
Air hole/air inlet: 1/2-14 NPT
Top plate diameter: 231mm / 9.1inch
Diameter of the bottom cover: 252 mm / 9.9inch
The screw center distance of the bottom cover plate: 200mm / 7.9 inch
Stroke: from 240mm/9.4inch to 670mm/26.4inch
Intern Jounce Bumper: Included
Quantity: 4 Pieces
Condition: Brand New
Material: Natural rubber

Features:

1、Highest leak test ratio: 100% Air Tightness Testing.
2、Tested over 4,000,000 times, most air springs are only tested 1,000,000 times.
3、Temperature Range ≥-40°F/≤158°F: Premium Natural Rubber Material.
4、The thickness of the rubber is 4.5-5.00mm.
5、12.9 grade high strength steel studs.
6、Withstand 2Mpa of air pressure before the rubber burst.
7、Careful evaluation of OEM specifications.
8、Strict quality control.
9、Sturdy & Durable Material.
10、Reduces Damage of Trailer, Cab And Truck Body.
11、Reduce driver discomfort and dangerous fatigue, improve driver safety.
12、Allow perfect load equalization between axles. Provide constant-level hauling.
13、Increase life of tires and brake linings.
14、Substantially reduce breakage and maintenance of other vehicle components.

Notice:

- These air suspension bags are aftermarket ones. They will replace the original air springs.

-Instruction is not included. Professional installation is recommended

-Contact us please for whatever we can help