4x MVPTruckParts Air Spring Bag Replacement for Peterbilt Trucks Replaces Firestone W01-358-8813, Kenworth C81-1003 Airglide 380, Peterbilt C81-6000 Flex Air, UPC767555111796, MPNW013588813

DURABILITY: Our air spring bag features a part number permanently engraved on the rubber for easy identification. The rubber is 4.5 - 5.00 mm thick, surpassing OEM requirements for durability and strength.

PREMIUM BUILD: Equipped with 25% stronger 4140-grade steel studs and stronger composite pistons, our air spring bag is built to last, ensuring a reliable performance.

DIRECT FIT REPLACEMENT: Designed to seamlessly replace Firestone Firestone W01-358-8813, Kenworth C81-1003 Airglide 380, Peterbilt C81-6000 Flex Air our air spring bags ensure a perfect match with your suspension system.

3-YEAR INDUSTRY LEADING WARRANTY: We're proud to offer an unmatched 3-year unlimited mile warranty. 

PART CONFIRMATION: Before purchase, consult your dealer for the exact part number. Avoid choosing based on make and model. Ensure a perfect fit by checking the part number and specs against your current air bag.

Discover the MVPTruckParts Advantage with Our Air Spring Bags:

Identification Simplified: Every MVPTruckParts Air Spring Bag features a unique part number permanently engraved on the rubber for straightforward identification and traceability.

Enhanced Thickness: Built to outperform, our air spring bags boast a robust 4.5-5.00mm thick rubber, providing superior strength that exceeds the demanding OEM specifications.

Reinforced for Resilience: Our air springs are reinforced with 4140-grade steel studs that are 25% stronger than the standard, ensuring lasting support and stability for your vehicle's suspension.

Piston Perfection: Incorporating stronger composite pistons, we ensure our air spring bags are capable of withstanding daily operational stress with utmost reliability.

Leak-Proof Assurance: MVPTruckParts Air Spring Bags are subjected to the most rigorous leak tests in the industry, ensuring a perfect seal and reliable performance after final assembly.

Precision Engineering for Optimal Performance:

Seamless Fit: Designed with an extended height of 18.00 inches and a compressed height of 7.50 inches to ensure full suspension travel and low-profile applications.

Secure Mounting: A top plate width of 9.00 inches and a piston width of 9.50 inches for balanced pressure distribution and secure installation.

Heavy-Duty Support: Each bag weighs in at 13.40 lbs, ready to support heavy-duty usage without compromising performance.

Compatible for: 

Firestone Bellows Number:1T15M-4

Kenworth Number:C81-1003 Airglide 380

Peterbilt Number:C81-6000 Flex Air

UPC767555111796

MPNW013588813