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When your tractor starts losing power, running rough, or won't hold compression like it used to, worn valve springs might be the culprit. These little workhorses open and close your engine's valves thousands of times per minute, and when they weaken or break, your engine just can't breathe properly. A weak valve spring means poor sealing, rough idle, and power loss right when you need it most—whether you're pulling a heavy implement or working against a deadline. What You're Getting Heavy-duty spring steel construction that handles the constant compression cycles of diesel engine operation Precise tension specifications to ensure proper valve timing and sealing Heat-treated for durability under the high temperatures of hard-working tractor engines Direct replacement part that fits without modifications or special tools Built for Real Farm Work These valve springs are designed for the demanding conditions that farm tractors face every day. Whether your Ford New Holland is powering through long days of planting, pulling heavy tillage equipment, or running a PTO-driven baler, your engine needs valve springs that can handle the constant heat and pressure cycles. From compact utility models to big row-crop machines, proper valve operation is what keeps your engine running strong when there's work to do. Made to Last Valve springs endure some of the toughest conditions inside your engine—constant compression, high temperatures, and rapid cycling. This spring is manufactured from quality spring steel and heat-treated to maintain proper tension through thousands of hours of operation. It's designed to match OEM specifications so your valves seat properly and your engine maintains the compression it needs for maximum power and efficiency. Good to Know Replacing valve springs typically requires removing the valve cover and using a valve spring compressor tool. If you're tackling this job yourself, it's a good time to check valve clearances and inspect the valve seats while you've got things apart. Many mechanics recommend replacing all the valve springs at once since they wear at similar rates—saves you from doing the job twice.

Air Filter Kit 4459549 and 4459548 for Hitachi Excavator ZX330 ZX330-3 ZAX330-3 ZAX350-3 ZX350-3 ZX360LC-3 ZX400LCH-3 ZX500W Replace Part Number:4459549,4459548 Applications: Fit For Hitachi Excavator:EG110R, SCX700-2, ZX1800K-3, ZX330, ZX330-3, ZX330-3-HCMC, ZX330-3F, ZX330-3G, ZX330-5G, ZX330-HHE, ZX330LC-3G, ZX330LC-5G, ZX350-3-AMS, ZX350H, ZX350H-3, ZX350H-3F, ZX350H-3G, ZX350H-5G, ZX350K, ZX350K-3, ZX350K-3F, ZX350K-3G, ZX350K-5G, ZX350LC-3-HCME, ZX350LC-3F-HCME, ZX350LC-3FAMS, ZX350LC-AMS, ZX350LC-HCME, ZX350LCH-3G, ZX350LCH-5G, ZX350LCK-3G, ZX350LCK-5G, ZX350LCN-3FAMS, ZX350LCN-3FHCME, ZX350W, ZX360H-3-HCMC, ZX360H-3G, ZX360LC-3-HCMC, ZX360LC-HHE, ZX370MTH, ZX400LCH-3, ZX400W-3, ZX500W, ZX870H-3-HCMC