Closed for Inventory image
The M&R Parts Department will be closed from December 24th-26th, 2025. We will also be closed for inventory from January 1st-7th, 2026. Please note that NO ORDERS can be filled during this period. We will re‑open on Wednesday, January 8th, 2026.

To receive your parts in a timely manner, please place your order with us well before December 23rd, 2025. We appreciate your patience. M&R wishes you a Happy New Year!
Seals and O-Rings, Reciprocating, O-ring Round Cross Section, 4.50" Outside Diameter, 4.125" Inside Diameter, 0.188" Width, Buna-N
Motion Type Reciprocating
Type O-ring Round Cross Section
Outside Diameter 4.50"
Inside Diameter 4.125"
Width 0.188"
Material Buna-N

Customer Reviews


There are no reviews for this item.Be the first one to write a review.

FREE SHIPPING on online orders over $300*

*Qualifying orders must weigh less than 50 lbs. Excludes t-shirt bags. Excludes phone orders.