Reliable engine performance starts with precision components. If you are performing a maintenance overhaul or a complete engine rebuild, securing high-standard 7N1904 (also known as 7N-1904) compression springs is essential for maintaining correct valve timing and fuel system pressure in heavy-duty machinery.
Availability: In Stock for Immediate Dispatch
| Specification Item | Product Details |
|---|---|
| Part Number | 7N1904 / 7N-1904 |
| Product Name | COMPRESSION SPRING |
| Model Compatibility | Caterpillar CAT 3304, 3306, 3406, 3408, 3412 |
| Type | Helical Compression Spring |
| Condition | Brand New, OEM Standard Replacement |
| Application | Engine Rebuild, Overhaul, Fuel System Maintenance |
| Payment Terms | T/T, Western Union, MoneyGram |
| Delivery Methods | Express (DHL, Fedex, EMS, UPS), Air, or Sea Freight |
| Stock Status | In Stock / Fast Dispatch |
| MOQ | 1 Piece |
When searching for a replacement 7N1904, quality consistency is the most important factor for construction companies and repair shops. Below is a comparison of why our OEM standard parts outperform generic alternatives.
| Core Procurement Points | Our OEM Standard Replacement | Generic Market Alternatives |
|---|---|---|
| Material Grade | High-fatigue resistant alloy steel | Standard carbon steel (shorter life) |
| Elasticity Retention | Maintains constant tension at high temps | Loses tension over time causing leaks |
| Precision Fit | Exact 7N-1904 specifications | Approximate sizing (hard to install) |
| Corrosion Resistance | Special industrial coating | Minimal or no surface treatment |
| Fleet Compatibility | Tested for CAT 3306/3406 series | Universal fit (not optimized) |
| Reliability | Prevents premature valve failure | Higher risk of engine downtime |
During an engine overhaul, if you notice loss of engine power, irregular fuel delivery, or abnormal valve train noise, the compression spring might have lost its tension. Replacing with a new 7N-1904 ensures the system maintains its mechanical integrity.
The 7N1904 part number is specific to certain configurations in the CAT 3306 and 3406 series. Always verify your specific engine serial number. Our team provides free verification to ensure the part matches your requirement.
OEM-standard tri-metal structure: Our parts are manufactured to withstand the extreme pressures of heavy machinery operation. Trusted by repair shops & equipment fleets: We supply international trade companies and construction firms globally with reliable 7N1904 components.
Not sure how this issue affects your equipment? Our team helps operators:
Identify potential risks during maintenance to prevent costly breakdowns.
Recommend suitable replacement parts if needed for specific engine models.
Support both inspection advice and parts supply for global fleets.
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We specialize in providing high-performance solutions for heavy-duty engines including Cummins, Komatsu, Caterpillar, Isuzu, Kubota, Yanmar, and Weichai. Our inventory focuses on core engine components such as cylinder liners, pistons, piston rings, main bearings, con-rod bearings, thrust washers, and full overhaul gasket kits.
Our goal is to be your primary supplier for diesel fuel pumps, fuel injectors, crankshafts, turbochargers, water pumps, oil pumps, cylinder blocks, cylinder heads, and connecting rods. By maintaining a vast stock of 7N1904 and other critical parts, we reduce your equipment downtime.
Heavy equipment engine rebuild kits, Diesel engine overhaul specialists, CAT 3306 cylinder head parts, Komatsu excavator engine components, Cummins ISX piston ring set supplier, Isuzu industrial engine spare parts, Kubota tractor engine gaskets, Yanmar marine diesel parts, Weichai truck engine crankshaft, Turbocharger replacement for heavy machinery, Fuel injector nozzle repair, Water pump assembly for diesel engines, Oil pump failure prevention, High-pressure fuel pump parts, Cylinder liner installation guide, Crankshaft main bearing clearance, Connecting rod torque specs, Engine valve spring tension, Aftermarket diesel engine parts, International shipping for engine spares.
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