RETRUE Air Bag Replacement for Firestone 2500 lbs Air Spring

Replace worn or damaged air springs with the RETRUE Firestone 6397 replacement air bags, designed to restore towing stability, rear support, and ride control. This double bellows air bag suspension part helps reduce squat, sway, bottoming out, and bounce when towing RVs, campers, trailers, boats, or hauling cargo.

2,500 lbs Load Leveling Capacity:
Supports rear suspension performance under load and helps maintain proper ride height for safer towing and hauling.

Adjustable 5–100 PSI Pressure:
Fine-tune firmness based on cargo weight, trailer tongue load, and road conditions for better control.

Double Bellows Air Spring Design:
Reinforced dual-bellow construction improves shock absorption, weight distribution, and air suspension kit performance.

Durable Replacement Construction:
Heavy-duty rubber and corrosion-resistant metal end caps deliver reliable air suspension air bags support.

Direct Replacement Fit:
Compatible with Firestone 6397 air spring suspension systems and includes fitting and mounting hardware.

Compatible replacement for Firestone 6397 air spring systems used in select:
·Pickup trucks
·Towing setups
·Utility trailers
·RV hauling applications
·Rear helper spring systems
·Load leveling air suspension systems

Please verify dimensions and mounting specifications before purchase.

Shipping:
We ship our products primarily through USPS/UPS. All items will be shipped within 72 business hours upon receipt of payment (except Saturday and Sunday). Orders placed on weekend will be shipped within 4 days.

Returns:
Items purchased from RETRUE may be returned in original unused condition within 30 days from the date of purchase for a refund, to the original form of payment. All returns must be pre-approved by RETRUE. Otherwise, unauthorized returns will not be accepted.

Warranty: Air Springs: Limited Lifetime
Hardware & Brackets of Air Springs: 2 Years
Bumpers, Hardware, Fittings & Air Line of Air Accessories: 2 Years
Hardware & Brackets of Air Accessories: 1–2 Years (depending on model; view product warranty documents for details)

Product Type: Air Bag Suspension Replacement

Replacement For: Firestone 6397

Load Capacity: Up to 2,500 lbs

Air Pressure Range: 5–100 PSI

Design: Double Bellows Air Spring

Top Port Thread: 5/8-18 UNF

Bottom Thread: 3/8-16 UNC

Uninflated Height: 5.5" (139.7 mm)

Fully Inflated Height: 6.5" (165.1 mm)

Diameter: 4.37" (111 mm)

Material: Reinforced Rubber Bellows with Metal End Caps

Color: Black and Silver

Included Hardware: Air fitting ×1, nyloc nut ×1, flange bolt ×1, flat head bolt ×1

Quantity: 1 Air Spring Bag

Recommended Use: Load leveling, towing support, rear suspension stabilization, heavy hauling applications

Q1: What is a Firestone 6397 air spring replacement used for?
A: A Firestone 6397 air spring replacement is used to restore worn or damaged air suspension components. It helps maintain proper air pressure, improve load support, and restore suspension performance for compatible vehicles.

Q2: How do I know if my air suspension spring needs replacement?
A: Common signs of a damaged air spring include air leaks, uneven vehicle height, reduced load support, excessive suspension sag, and poor towing stability.

Q3: Can I replace only one air spring on my truck?
A: Yes. A single air spring can be replaced if only one side is damaged. However, inspecting both sides is recommended to ensure balanced suspension performance.

Q4: Does this air spring replacement include installation hardware?
A: Yes. This replacement air spring includes an air fitting and bolts, providing the necessary components for easier installation.

Q5: How much weight can a 2500 lbs air spring support?
A: A 2500 lbs air spring provides additional suspension support for towing, hauling, and load leveling applications. It helps reduce rear sag while carrying heavier loads.