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P186 O-ring Cat 14179 - DeWalt

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$5.54
Out of stock
SKU
P186
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Know Before You Order

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This DeWalt P186 O-Ring is a genuine OEM replacement seal for CAT pump assemblies used in compatible DeWalt pressure washers. Cross-references CAT part number 14179.
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The DeWalt P186 O-Ring is a genuine OEM replacement sealing component used within the CAT pump assembly of compatible DeWalt pressure washers. Replacement-parts documentation identifies this component as “ORING CAT 14179,” providing a useful cross-reference to CAT pump part number 14179.

Product Specifications

Part Number: P186
Part Type: O-Ring / Pump Seal
Manufacturer: DeWalt
Manufacturer Description: ORING CAT 14179
CAT Reference Number: 14179
Application: Pressure Washer CAT Pump Assembly
Condition: Genuine OEM Replacement Part

Tool Compatibility

DeWalt P186 is documented for compatible CAT pump configurations used in pressure washers including:

DeWalt DP2800 – Applicable configurations
DeWalt DP3100 Type 2
DeWalt DP3100IC Type 1 & Type 2
DeWalt DP3700 Type 2
DeWalt DP3850 Type 1
DeWalt DPD3000IC Type 1
DeWalt DPD3300 Type 1
DeWalt DPD3800 Type 1
DeWalt DPH3800 Type 1
DeWalt DPE3800X Type 1

Verify the complete pressure washer model and type number against the applicable parts diagram before ordering. Different production versions may use different CAT pump assemblies and internal sealing components.

Part Function

The P186 O-ring is an internal sealing component used at a designated interface within the CAT pressure washer pump. The O-ring forms a seal between mating components to help prevent fluid from passing through the connection during pump operation.

CAT Pump Cross-Reference

DeWalt part number P186 is identified in replacement-parts documentation as ORING CAT 14179. Customers servicing the pump may encounter either P186 or CAT part number 14179 when referencing equipment and pump-level parts information.

When to Replace the O-Ring

Replace the O-ring if it is cut, cracked, flattened, hardened, deteriorated, missing, or damaged during pump disassembly. The mating surfaces and surrounding pump components should also be inspected during service to ensure a replacement O-ring can seat correctly.

A water or oil leak does not by itself identify P186 as the failed component. CAT pressure washer pumps contain multiple O-rings, oil seals, water seals, gaskets, plugs, and other sealing components, so the source of the leak should be identified before ordering replacement parts.

Important Compatibility Information

P186 is intended for specific CAT pump configurations. Do not select this O-ring based solely on pressure washer PSI rating, physical appearance, or approximate dimensions. Match the replacement using the P186 / CAT 14179 part numbers and the exact pressure washer model and type.

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You're reviewing:P186 O-ring Cat 14179 - DeWalt
Compatibility
  1. DeWALT Parts
  2. DeWALT Pressure Washer Parts
  3. DeWalt DPD3000IC Type 1 Parts - Pressure Washer
  4. DeWalt DPD3300 Type 1 Parts - Pressure Washer
  5. DeWalt DPH3800 Type 1 Parts - Pressure Washer
  6. DeWalt DPD3800 Type 1 Parts - Pressure Washer
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