Fit for:
- For GMC Silverado/Sierra 1500
- For GMC Trail Boss/Sierra AT4
- For Dodge/Ram 1500/2500/3500
- For Ford F-150/F-250/F-350/F-450 2 & 4WD
- For Ford Super Duty
- For Chevrolet Silverado HD and GMC Sierra HD
- Compatible for most of Truck,Van, SUV, etc
Please confirm whether the air spring bag parameters below (especially height, diameter, bolt specifications) are consistent with ours before purchasing.
OE/Part number：
- W21-760-6781
- Replacement for Firestone 6781
Item Specifications:
- Placement on Vehicle: Left,Right,Front,Rear
- Design height: 165 mm
- Min height: 55-76 mm
- Max height: 210-230 mm
- Working stroke: 134-175 mm
- air port size: G1/4-19
- Install hole size: 3/8-16UNC
- Top plate diameter: 112 mm
- Air spring bag body diameter: 146 mm
- Air spring bag capacity: 2500LBS
- Minimum PSI: 5 PSI
- Maximum PSI: 100PSI
- Condition: 100% Brand New
- Package Dimensions: 19*19*21cm
- Item Weight: 2200g
Condition: 100% Brand New
Quantity: 1 piece in one set (for Rear / Front Left or Right)
Warranty: 2 Year Warranty for Any Manufacturing MATERIALS & TECHNOLOGY
Multi-ply air spring sleeve minimizes noise.
Heavy-duty crimping rubber and connection seat withstand 2 MPa+ pressure, preventing detachment.
Nitrile rubber seals resist oil and aging for lasting performance.
TPV dust cover: better flexibility and lifespan than TPE.
RIGOROUS TESTING
100% air tightness tested.
Endurance tested over 5 million cycles.
Operates in -58°F (-50°C) to 302°F (150°C) extremes.
TRUSTED QUALITY
Manufactured to strict standards and ISO 9001 compliant.
Precise OE fit and performance.
CNC machined components.
PERFORMANCE & COMFORT
Restores ride height and enhances comfort.
High compressive strength and excellent sound insulation ensure driving comfort and safety.
Efficient heat dissipation ensures durability.
Easy to install, with no special tools required.
INSTALLATION TIPS
Replace the old air fitting with a new one, insert the air tube into the air fitting cap to establish a proper connection.
Notice:
-These airsuspension bags are aftermarket ones. They will replace the original air spring bags.
- Please double check the picture anddrawing carefully before purchasing to ensure you will get the right struts.
-Instruction is not included. Professional installation is recommended
MXR04FXJT
