1672217 Seal As-Buffer Fits Caterpillar Models

One New Aftermarket Replacement Buffer Seal for Caterpillar (Cat) Excavators

This aftermarket replacement Seal As-Buffer (part number 1672217) is a hydraulic cylinder buffer seal designed to protect the primary sealing system in Caterpillar excavator hydraulic cylinders. Buffer seals absorb shock loads and fluctuating hydraulic pressures, shielding the main seals from pressure spikes and extending overall cylinder seal life. This seal fits boom, stick, and bucket cylinder applications across a wide range of Cat excavator models.

Specifications

• Part Type: Buffer Seal (Seal As-Buffer)
• Dimensions: 90 x 105 x 120.5 x 5.9 mm (BR-90URE profile)
• Weight: approx. 0.13 lbs

Compatible Models

Caterpillar Excavators: 320B, 320C, 322B, 322B L, 322B LN, 322C, 322C FM, 323D L, 324D, 324D L, 324D LN, 325B, 325B L, 325C, 325C FM, 325C L, 325D, 325D FM, 325D FM LL, 325D L, 328D LCR, 329D, 329D L, 330B, 330B L, 330C, 330C FM, 330C L, 330D, 330D FM, 330D L, 330D LN, 330D MH, 336D, 336D L, 336D2, 336D2 L, 340D L, 345B II, 345B II MH, 345C L, 385B, 385C, 385C L, 390D, 390D L, 390F L, 568 FM LL, M325D L MH

Replaces Part Number(s):

1672217, 1289265

Note: OEM part number 1672217 is also referenced and cross-referenced with 1289265. Verify fitment using your machine model and serial number before ordering.

New aftermarket replacement part - not remanufactured, not used.