Designed for compatibility with Caterpillar equipment, this D-ring seal from Hercules Sealing Products features a 31.90 mm inner diameter suited to the dimensional standards common in heavy equipment sealing applications. D-rings of this type are used as static or dynamic seals in hydraulic cylinders, actuators, and related assemblies where a reliable fluid seal is required.
Sourced from Hercules Sealing Products, this Caterpillar D-Ring is cross-referenced to Caterpillar part numbers for identification purposes. It is not implied that this is an original Caterpillar replacement part. The catalog number C1EW60 can be used for cross-referencing across supplier catalogs.
SKU: CTC-1P3703
Supplier Part Number (MPN): CTC-1P3703
Alternate Part Numbers: C1EW60, MI-02967269, MINO-00407X11176
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Specifications
Alternate Part Numbers
Alternate Part NumberC1EW60, Alternate Part Number MI-02967269, Alternate Part Number MINO-00407X11176
Brand
Hercules Sealing Products
Brand
Hercules Sealing Products
Pack Size
1.00
UOM
EA
I.D.
31.9 mm
Supplier Part Number
CTC-1P3703
Product Weight
0.01 lbs
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Model Number
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CTC-1P3702Caterpillar D-Ring
25.4 mm
CTC-1P3703Caterpillar D-Ring
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CTC-1P3704Caterpillar D-Ring
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CTC-1P3705Caterpillar D-Ring
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Product Questions & Answers (1)
Question by: Neil G on Jan 5, 2026, 9:43 PM
got a Cat seal callout that points to 1P3703, is this the same D-ring or am i mixing parts up
Answer by: Customer Support on Jan 7, 2026, 7:30 AM
Cross-referencing is the main way this one is identified. The SKU and supplier part number are CTC-1P3703, and it also cross-references to C1EW60, MI-02967269, and MINO-00407X11176.
