Air Spring Kit 566.ER8864 + 2 U-Bolts Fits Kenworth AG400 Peterbilt Repl 8864
Air Spring Kit 566.ER8864 + 2 U-Bolts Fits Kenworth AG400 Peterbilt Repl 8864
Air Spring Kit 566.ER8864 + 2 U-Bolts Fits Kenworth AG400 Peterbilt Repl 8864
Air Spring Kit 566.ER8864 + 2 U-Bolts Fits Kenworth AG400 Peterbilt Repl 8864
Air Spring Kit 566.ER8864 + 2 U-Bolts Fits Kenworth AG400 Peterbilt Repl 8864
Air Spring Kit 566.ER8864 + 2 U-Bolts Fits Kenworth AG400 Peterbilt Repl 8864
Air Spring Kit 566.ER8864 + 2 U-Bolts Fits Kenworth AG400 Peterbilt Repl 8864
Air Spring Kit 566.ER8864 + 2 U-Bolts Fits Kenworth AG400 Peterbilt Repl 8864
Air Spring Kit 566.ER8864 + 2 U-Bolts Fits Kenworth AG400 Peterbilt Repl 8864
Air Spring Kit 566.ER8864 + 2 U-Bolts Fits Kenworth AG400 Peterbilt Repl 8864
Air Spring Kit 566.ER8864 + 2 U-Bolts Fits Kenworth AG400 Peterbilt Repl 8864
Air Spring Kit 566.ER8864 + 2 U-Bolts Fits Kenworth AG400 Peterbilt Repl 8864
Air Spring Kit 566.ER8864 + 2 U-Bolts Fits Kenworth AG400 Peterbilt Repl 8864
Air Spring Kit 566.ER8864 + 2 U-Bolts Fits Kenworth AG400 Peterbilt Repl 8864
Air Spring Kit 566.ER8864 + 2 U-Bolts Fits Kenworth AG400 Peterbilt Repl 8864
Air Spring Kit 566.ER8864 + 2 U-Bolts Fits Kenworth AG400 Peterbilt Repl 8864
Air Spring Kit 566.ER8864 + 2 U-Bolts Fits Kenworth AG400 Peterbilt Repl 8864
Air Spring Kit 566.ER8864 + 2 U-Bolts Fits Kenworth AG400 Peterbilt Repl 8864
Air Spring Kit 566.ER8864 + 2 U-Bolts Fits Kenworth AG400 Peterbilt Repl 8864
Air Spring Kit 566.ER8864 + 2 U-Bolts Fits Kenworth AG400 Peterbilt Repl 8864
Air Spring Kit 566.ER8864 + 2 U-Bolts Fits Kenworth AG400 Peterbilt Repl 8864
Air Spring Kit 566.ER8864 + 2 U-Bolts Fits Kenworth AG400 Peterbilt Repl 8864
Air Spring Kit 566.ER8864 + 2 U-Bolts Fits Kenworth AG400 Peterbilt Repl 8864
Air Spring Kit 566.ER8864 + 2 U-Bolts Fits Kenworth AG400 Peterbilt Repl 8864
Air Spring Kit 566.ER8864 + 2 U-Bolts Fits Kenworth AG400 Peterbilt Repl 8864
Air Spring Kit 566.ER8864 + 2 U-Bolts Fits Kenworth AG400 Peterbilt Repl 8864
Air Spring Kit 566.ER8864 + 2 U-Bolts Fits Kenworth AG400 Peterbilt Repl 8864
Air Spring Kit 566.ER8864 + 2 U-Bolts Fits Kenworth AG400 Peterbilt Repl 8864
Air Spring Kit 566.ER8864 + 2 U-Bolts Fits Kenworth AG400 Peterbilt Repl 8864
Air Spring Kit 566.ER8864 + 2 U-Bolts Fits Kenworth AG400 Peterbilt Repl 8864
Air Spring Kit 566.ER8864 + 2 U-Bolts Fits Kenworth AG400 Peterbilt Repl 8864
Air Spring Kit 566.ER8864 + 2 U-Bolts Fits Kenworth AG400 Peterbilt Repl 8864
Air Spring Kit 566.ER8864 + 2 U-Bolts Fits Kenworth AG400 Peterbilt Repl 8864
Air Spring Kit 566.ER8864 + 2 U-Bolts Fits Kenworth AG400 Peterbilt Repl 8864
Air Spring Kit 566.ER8864 + 2 U-Bolts Fits Kenworth AG400 Peterbilt Repl 8864
Air Spring Kit 566.ER8864 + 2 U-Bolts Fits Kenworth AG400 Peterbilt Repl 8864
Air Spring Kit 566.ER8864 + 2 U-Bolts Fits Kenworth AG400 Peterbilt Repl 8864
Air Spring Kit 566.ER8864 + 2 U-Bolts Fits Kenworth AG400 Peterbilt Repl 8864
Air Spring Kit 566.ER8864 + 2 U-Bolts Fits Kenworth AG400 Peterbilt Repl 8864
Air Spring Kit 566.ER8864 + 2 U-Bolts Fits Kenworth AG400 Peterbilt Repl 8864
Air Spring Kit 566.ER8864 + 2 U-Bolts Fits Kenworth AG400 Peterbilt Repl 8864
Air Spring Kit 566.ER8864 + 2 U-Bolts Fits Kenworth AG400 Peterbilt Repl 8864
Air Spring Kit 566.ER8864 + 2 U-Bolts Fits Kenworth AG400 Peterbilt Repl 8864
Air Spring Kit 566.ER8864 + 2 U-Bolts Fits Kenworth AG400 Peterbilt Repl 8864
Air Spring Kit 566.ER8864 + 2 U-Bolts Fits Kenworth AG400 Peterbilt Repl 8864
Air Spring Kit 566.ER8864 + 2 U-Bolts Fits Kenworth AG400 Peterbilt Repl 8864
Air Spring Kit 566.ER8864 + 2 U-Bolts Fits Kenworth AG400 Peterbilt Repl 8864
Air Spring Kit 566.ER8864 + 2 U-Bolts Fits Kenworth AG400 Peterbilt Repl 8864

Air Spring Kit 566.ER8864 + 2 U-Bolts Fits Kenworth AG400 Peterbilt Repl 8864

$179.40

Sku: 0031KIT

Category: Uncategorized

This is for a Single Side Suspension Refresh Kit designed for heavy-duty applications on Kenworth (AG200 / AG400) and Peterbilt trucks. This kit provides the air spring, mounting stud, air fitting, and U-bolts needed to repair one side of the vehicle.

Durable Construction: The components in this kit are engineered from quality materials for reliable performance and long service life.

Kit Contents

  • 1x Air Spring (Econoride 566.ER8864): Rolling lobe design with plastic base. Replaces Firestone 8864. Max Height 25.2".
  • 1x Air Spring Stud (MPB7546): 8.040" Long | Application: Peterbilt New Low Air Leaf.
  • 1x Swivel Fitting (177.12C716D): PLC Swivel Male Run Tee DOT | 3/8" Tube x 1/2" Pipe | Composite Body w/ Brass Collet.
  • 2x U-Bolts (Dayton 361-374): Grade 8 Steel | Round Bend | 7/8" x 3-1/16" x 14-1/2" | Includes nuts & washers.

Air Spring Specifications (566.ER8864)

Type Rolling Lobe
Design Height 16.00"
Min / Max Height 7.80" / 25.20"
Load @ 100 PSI 7100 lbs
Top Plate 9.00" Dia | 3 Studs | 6.20" C to C
Bottom Plate 8.07" Dia | 1 Stud | Plastic Type

U-Bolt Specifications (361-374)

Bend Type Round Bend
Thread Diameter (A) 7/8" - 14 (Fine Thread)
Inside Width (B) 3-1/16"
Inside Length (C) 14-1/2"
Bolt Grade Grade 8
Hardware Includes Washers & Nuts

Where Used / Applications

This item is featured in the following suspension schematics:

  • Peterbilt Rear: New Low Air Leaf®
  • Kenworth: AG210L, AG400L

Kit Summary

Air Spring Part 566.ER8864 (Qty: 1)
U-Bolt Part 361-374 (Qty: 2)
Stud Part MPB7546 (Qty: 1)
Fitting Part 177.12C716D (Qty: 1)
Application Kenworth, Peterbilt

FITMENT CHECK:

Please verify dimensions for both the Air Spring (Top/Bottom plate) and U-Bolts (3-1/16" Width) before ordering to ensure proper fitment.

Air Spring Cross Ref

Firestone 8864, W01-358-8864
Goodyear 1R12-1097
Contitech 9 10-19 P 898
Automann 1DK23L

Shipping: Fast & Secure Shipping. Orders processed within 1 business day.

Returns: 30-Day Return Policy. Item must be in original condition.

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