1672218 Seal As-Buffer Fits Caterpillar Models

One New Aftermarket Replacement Hydraulic Buffer Seal Assembly for Caterpillar (Cat) Construction Equipment

This aftermarket replacement hydraulic buffer seal assembly (Caterpillar part number 1672218, also formatted as 167-2218) is a standard buffer ring used in heavy-duty hydraulic cylinder rod sealing systems. Buffer seals are installed in front of the primary rod seal to absorb pressure spikes and shock loads, protect the primary seal from damage, and extend the overall service life of the hydraulic cylinder. This seal is a Type D profile urethane-based standard buffer ring measuring 4.250" inner diameter x 5.230" outer diameter x 0.250" width with groove (BR-95URE-4.250x5.230x0.250grv). It is a direct replacement for Caterpillar OEM part number 1672218.

Specifications

• Seal Type: Standard Buffer Ring (hydraulic rod buffer seal)
• Seal Profile: Type D
• Inner Diameter: 4.250 in
• Outer Diameter: 5.230 in
• Width: 0.250 in (with groove)
• Material: Urethane (95 Shore A)

Compatible Models

Caterpillar: Specific model fitment for part number 1672218 was not confirmed in available sources. This part belongs to the Caterpillar 167-22xx buffer seal family used across Cat construction and earthmoving equipment hydraulic cylinders. Verify fitment using your equipment serial number before ordering.

Replaces Part Number(s):

1672218, 167-2218

Aftermarket Interchange Numbers

CTC-1672218, BR-95URE-4.250x5.230x0.250grv

New aftermarket replacement part - not remanufactured, not used.