In the world of heavy equipment maintenance, ensuring the purity of your hydraulic system is non-negotiable. The 1174089 (also identified as 117-4089) filter element is a critical component designed specifically for the hydraulic returns and pilot systems of Caterpillar medium excavators. Whether you are performing a routine service or a complete system overhaul, using an OEM-standard replacement ensures your pumps and valves remain protected from microscopic debris.
The 1174089 filter is engineered to meet the high-pressure demands of Caterpillar hydraulic circuits. Below are the verified details for procurement and technical validation.
| Attribute | Details |
|---|---|
| Product Name | Hydraulic Oil Filter / Pilot Filter Element |
| Part Number | 1174089 (Alternative: 117-4089) |
| Compatible Brand | Caterpillar (CAT) |
| Primary Applications | 312B, 312B L, 311B, 312B L, 307B, 308B Excavators |
| Engine Linkage | 3064, 3066 Engine Systems |
| Condition | Brand New, OEM Standard Replacement |
| Stock Status | In Stock / Fast Dispatch Available |
| MOQ | 1 Piece |
When sourcing hydraulic filters for your fleet, understanding the difference between standard market options and high-quality replacements is vital for long-term machine health.
| Selection Criteria | Our OEM-Standard 1174089 | Generic Aftermarket Filters |
|---|---|---|
| Filtration Efficiency | High-density micro-glass media for 99% particle capture | Standard paper media with inconsistent micron ratings |
| Structural Integrity | Heavy-duty steel center tube to prevent collapse | Thin metal or plastic cores prone to failure |
| Seal Quality | High-temperature Viton/Nitrile O-rings included | Low-grade rubber seals that leak under pressure |
| Flow Rate | Optimized for CAT 312B hydraulic pump requirements | Often restrictive, causing hydraulic lag |
| Service Life | Matches or exceeds 500-hour service intervals | Requires frequent changes due to clogging |
| Installation Fit | Precision threaded for 100% screw-on accuracy | Loose tolerances leading to thread damage |
Not sure how this issue affects your equipment? Operating with a clogged 117-4089 filter can lead to cavitation in your hydraulic pump, resulting in costly downtime.
Our team helps operators:
Identify potential risks during maintenance intervals.
Recommend suitable replacement parts for Caterpillar, Komatsu, and Isuzu systems.
Support both inspection advice and parts supply for urgent engine rebuilds.
If your Caterpillar 312B excavator exhibits slow hydraulic response, unusual whining noises from the pump, or "chattering" in the control levers, the 1174089 pilot filter may be bypassed or clogged. Immediate replacement is required to prevent contamination from reaching the main control valve.
While this part number is specific to Caterpillar, it is often cross-referenced during engine maintenance for equipment using CAT-based 3064 engines. Always verify dimensions before cross-application.
Our 117-4089 replacements feature an OEM-standard tri-metal structure where applicable and high-grade synthetic media. We are trusted by repair shops and equipment fleets globally for providing parts that handle the rigors of heavy construction environments.
| Payment Terms | T/T (Bank Transfer), Western Union, MoneyGram |
| Delivery Methods | Express (DHL, Fedex, UPS, EMS), Air Freight, Sea Freight |
| Packaging | Industrial Export Packing (Protective and Durable) |
| Application Range | Engine rebuild, hydraulic overhaul, 1000-hour maintenance kits |
As a specialized supplier, we focus on high-performance components for leading brands including Caterpillar, Cummins, Komatsu, Isuzu, Kubota, Yanmar, and Weichai. Our inventory supports complete engine assembly needs and individual repair components.
Our core product range includes: Cylinder Liners, Pistons, Piston Rings, Main Bearings, Con-rod Bearings, Thrust Washers, Full Overhaul Gasket Kits, Fuel Injection Pumps, Injectors, Cranksahfts, Turbochargers, Water Pumps, Oil Pumps, Cylinder Blocks, Cylinder Heads, and Connecting Rods.
Click the button below to visit our Facebook profile and stay updated with the latest news and updates!
Visit Facebook Profile
English
English