Replacement for 8F8861 : O-Ring for Caterpillar

Replacement for 8F8861 O-Ring for Caterpillar Using premium heavy-duty materials, our Replacement O-Ring 8F8861 guarantees unmatched durability and consistent performance. Identical in form, fit, and function to OEM specifications. Compatible with various Caterpillar models including but not limited to 3181, 508, 621, 621B, 621E, 621F, 621G, 621H, 621K, 623B, 623E, 623F, 623G, 623H, 623K, 623K Lrc, 627B, 627E, 627F, 627G, 627H, 627K, 627K Lrc, 631C, 631E, 631G, 633C, 633E Ii, 637D, 637E, 637G, 639D. Manufactured and packaged in the USA by an American owned and operated business. We recommend lubricating all O-Rings with a quality silicone-based lubricant designed for O-Rings. Keep a spare on hand to eliminate unplanned down time.