Dayton 334‑457 Compression Washer

Dayton Part 334‑457 is a high-quality compression washer engineered for heavy-duty truck air-leaf suspension systems. This essential metal sandwich washer reduces vibration and maintains air spring position for reliable, long-term suspension alignment.

Specifications

• Inner Diameter (ID): 1.000″ (1 inch)

• Outer Diameter (OD): 3.25″ (3‑1/4 inches)

• Thickness: 0.625″ (5/8 inch)

• Material: steel construction

• Ideal for use in Peterbilt low-mount air-leaf suspension assemblies and similar heavy-duty truck setups

Cross-Reference & Compatibility
Seamlessly interchangeable with multiple OEM and aftermarket part numbers:

• Peterbilt: 03‑01670, 301670

• Automann: MPB10

• BWP: 09‑8022

• Euclid: E‑4777 (or E4777)

• Flagg: PB4

• Haldex: C71473B

• Meritor: R304777

Applications & Benefits
Perfect for air-leaf suspension bush assemblies, this washer restores proper load distribution, mitigates metal-to-metal contact, and extends air spring life. A direct aftermarket replacement for OEM Dayton 334‑457 and compatible brands.