1P3709 Seal Fits Caterpillar Models

One New Aftermarket Replacement Rectangular Seal (D-Ring) for Caterpillar (Cat) Equipment

This aftermarket replacement rectangular D-ring seal is used on Caterpillar XT5 and XT6 high-pressure flange (Code 63) hydraulic hose fitting connections. The D-ring profile provides reliable sealing in both high- and low-pressure hydraulic applications across a wide range of Cat construction, mining, and pipelayer equipment.

Specifications

• Type: Rectangular Seal / D-Ring
• Material: Nitrile (NBR), 90 Durometer
• Inside Diameter (ID): 63.9 mm (2.497 in)
• Outside Diameter (OD): 2.75 in
• Cross-Section: 3.4 mm (0.134 in)
• Height: 0.195 in

Compatible Models

Caterpillar Track-Type Tractors: D6H IIX R, D6H XL, D6H XR, D6K, D6K LGP, D6K2, D6K2 LGP, D6K2 XL, D7R LGP, D9H, D9L

Caterpillar Off-Highway Trucks: 69D, 769C, 769D, 770, 770G, 770G OEM, 772, 772G, 772G OEM, 773D, 773E, 773F, 773G, 773G LRC, 773G OEM, 775E, 775F, 775G, 775G LRC, 775G OEM, 777, 777B, 777D, 777F, 777G, 785, 785C, 785D, 789C, 789D, 793C, 793D, 793F, 793F AC, 793F CMD, 793F OEM, 793F XQ, 795F AC, 795F XQ, 797, 797B, 797F

Caterpillar Pipelayers: PL61

Caterpillar Mining Shovels / Large Mining Trucks: MT4400DAC, MT5300DAC

Caterpillar Other Equipment: 3508B, 561N, S25, TK1051

Replaces Part Number(s):

1P3709, 1P-3709

Aftermarket Interchange Numbers

4C4784 (D-ring kit), 270-1535, 2701535 (multi-size kit cross-reference)

New aftermarket replacement part - not remanufactured, not used.