Breather Ex100/200/300 Old L Key Type
Product Specifications
| Compatible Model(s) | OEM Part Number | GCO Code | Part Type | Availability |
|---|---|---|---|---|
| OLD L KEY TYPE | 4178684 / 4222874 / 4326285 | B06.5 | HYDRAULIC TANK CAP / BREATHER | ✓ In Stock |
Product Description
OEM Part Numbers: 4178684 / 4222874 / 4326285
Designed for the OLD L KEY TYPE, the 4178684 breather ex100/200/300 old l key type is an OEM-specification replacement component built to restore the original performance, reliability, and safety of the machine. Worn or failed components cause machine performance to degrade, leading to increased downtime, higher operating costs, and risk of secondary damage to associated parts. Manufactured to OEM reference 4178684 for accurate installation on the OLD L KEY TYPE with full performance restored.
Key Features:
- Precision Manufactured: Built to OEM tolerances for accurate fitment and reliable performance on the OLD L KEY TYPE.
- Compatible Replacement: Manufactured to reference 4178684 for direct, compatible installation on the OLD L KEY TYPE.
- Performance Restoration: Returns the machine system to original OEM performance levels on installation.
The 4178684 breather ex100/200/300 old l key type is a genuine quality replacement component for maintaining machine performance and reliability on the OLD L KEY TYPE.
What Does This Hydraulic Tank Cap / Breather Do?
The hydraulic tank cap seals the oil fill opening to prevent contamination. The tank breather allows air to enter and exit the hydraulic tank as oil volume changes with temperature and actuator movement, while filtering out dust and moisture to keep the hydraulic oil clean.
Possible Hydraulic Tank Cap / Breather Problem Symptoms
If your machine is showing any of the following, a faulty hydraulic tank cap / breather may be the cause:
- Hydraulic tank cap leaking oil at the fill port seal
- Hydraulic oil becoming contaminated with dust or water due to a blocked or damaged breather
- Hydraulic tank collapsing inward or building pressure due to a breather that is completely blocked
- Hydraulic oil leaking from breather vent due to system overpressure or foam in the oil
Why Buy From GCO Products?
Gautam & Company has been supplying earthmoving machinery spare parts since 1999. Here is why contractors, fleet operators, and dealers across India trust us.
Over 27 years of experience in the earthmoving parts industry.
Our team helps you confirm the right part before you order.
Proper GST invoices on every order for your accounting needs.
Fast dispatch from Jalandhar to all states across India.
Volume pricing available for fleet owners, dealers and distributors.
Both genuine OEM and quality aftermarket options available.
How to Confirm Compatibility
To ensure this part is the correct fit for your machine, have the following ready when you contact us:
- 1Machine Model & Year
E.g. Komatsu PC200-8, CAT 320D, JCB JS205 — include the model suffix if known.
- 2Machine Serial Number
Found on the machine's chassis plate. Helps confirm the exact production variant.
- 3OEM Part Number
From your parts manual, the old part itself, or the machine's service documentation.
Not sure if this part fits your machine?
WhatsApp Us to Confirm Typically replies within a few hoursDisclaimer: This is an aftermarket replacement part supplied by GCO Products (Gautam & Company) and is not manufactured by, affiliated with, or endorsed by the original equipment manufacturer (OEM). All brand names, model numbers, and OEM part numbers referenced on this page are used solely for the purpose of identifying compatibility and describing the application of this part. All trademarks, registered marks, and brand identifiers remain the exclusive property of their respective owners. GCO Products claims no association with, sponsorship by, or endorsement by any OEM brand mentioned herein.
Related HYDRAULIC TANK CAP / BREATHER Parts
